import ArcType from "../Core/ArcType.js";
|
import AssociativeArray from "../Core/AssociativeArray.js";
|
import BoundingRectangle from "../Core/BoundingRectangle.js";
|
import buildModuleUrl from "../Core/buildModuleUrl.js";
|
import Cartesian2 from "../Core/Cartesian2.js";
|
import Cartesian3 from "../Core/Cartesian3.js";
|
import Cartographic from "../Core/Cartographic.js";
|
import ClockRange from "../Core/ClockRange.js";
|
import ClockStep from "../Core/ClockStep.js";
|
import clone from "../Core/clone.js";
|
import Color from "../Core/Color.js";
|
import createGuid from "../Core/createGuid.js";
|
import Credit from "../Core/Credit.js";
|
import defaultValue from "../Core/defaultValue.js";
|
import defined from "../Core/defined.js";
|
import DeveloperError from "../Core/DeveloperError.js";
|
import Ellipsoid from "../Core/Ellipsoid.js";
|
import Event from "../Core/Event.js";
|
import getExtensionFromUri from "../Core/getExtensionFromUri.js";
|
import getFilenameFromUri from "../Core/getFilenameFromUri.js";
|
import getTimestamp from "../Core/getTimestamp.js";
|
import HeadingPitchRange from "../Core/HeadingPitchRange.js";
|
import HeadingPitchRoll from "../Core/HeadingPitchRoll.js";
|
import Iso8601 from "../Core/Iso8601.js";
|
import JulianDate from "../Core/JulianDate.js";
|
import CesiumMath from "../Core/Math.js";
|
import NearFarScalar from "../Core/NearFarScalar.js";
|
import objectToQuery from "../Core/objectToQuery.js";
|
import oneTimeWarning from "../Core/oneTimeWarning.js";
|
import PinBuilder from "../Core/PinBuilder.js";
|
import PolygonHierarchy from "../Core/PolygonHierarchy.js";
|
import queryToObject from "../Core/queryToObject.js";
|
import Rectangle from "../Core/Rectangle.js";
|
import Resource from "../Core/Resource.js";
|
import RuntimeError from "../Core/RuntimeError.js";
|
import TimeInterval from "../Core/TimeInterval.js";
|
import TimeIntervalCollection from "../Core/TimeIntervalCollection.js";
|
import HeightReference from "../Scene/HeightReference.js";
|
import HorizontalOrigin from "../Scene/HorizontalOrigin.js";
|
import LabelStyle from "../Scene/LabelStyle.js";
|
import SceneMode from "../Scene/SceneMode.js";
|
import Autolinker from "../ThirdParty/Autolinker.js";
|
import Uri from "../ThirdParty/Uri.js";
|
import when from "../ThirdParty/when.js";
|
import zip from "../ThirdParty/zip.js";
|
import getElement from "../Widgets/getElement.js";
|
import BillboardGraphics from "./BillboardGraphics.js";
|
import CompositePositionProperty from "./CompositePositionProperty.js";
|
import DataSource from "./DataSource.js";
|
import DataSourceClock from "./DataSourceClock.js";
|
import Entity from "./Entity.js";
|
import EntityCluster from "./EntityCluster.js";
|
import EntityCollection from "./EntityCollection.js";
|
import KmlCamera from "./KmlCamera.js";
|
import KmlLookAt from "./KmlLookAt.js";
|
import KmlTour from "./KmlTour.js";
|
import KmlTourFlyTo from "./KmlTourFlyTo.js";
|
import KmlTourWait from "./KmlTourWait.js";
|
import LabelGraphics from "./LabelGraphics.js";
|
import PathGraphics from "./PathGraphics.js";
|
import PolygonGraphics from "./PolygonGraphics.js";
|
import PolylineGraphics from "./PolylineGraphics.js";
|
import PositionPropertyArray from "./PositionPropertyArray.js";
|
import RectangleGraphics from "./RectangleGraphics.js";
|
import ReferenceProperty from "./ReferenceProperty.js";
|
import SampledPositionProperty from "./SampledPositionProperty.js";
|
import ScaledPositionProperty from "./ScaledPositionProperty.js";
|
import TimeIntervalCollectionProperty from "./TimeIntervalCollectionProperty.js";
|
import WallGraphics from "./WallGraphics.js";
|
|
//This is by no means an exhaustive list of MIME types.
|
//The purpose of this list is to be able to accurately identify content embedded
|
//in KMZ files. Eventually, we can make this configurable by the end user so they can add
|
//there own content types if they have KMZ files that require it.
|
var MimeTypes = {
|
avi: "video/x-msvideo",
|
bmp: "image/bmp",
|
bz2: "application/x-bzip2",
|
chm: "application/vnd.ms-htmlhelp",
|
css: "text/css",
|
csv: "text/csv",
|
doc: "application/msword",
|
dvi: "application/x-dvi",
|
eps: "application/postscript",
|
flv: "video/x-flv",
|
gif: "image/gif",
|
gz: "application/x-gzip",
|
htm: "text/html",
|
html: "text/html",
|
ico: "image/vnd.microsoft.icon",
|
jnlp: "application/x-java-jnlp-file",
|
jpeg: "image/jpeg",
|
jpg: "image/jpeg",
|
m3u: "audio/x-mpegurl",
|
m4v: "video/mp4",
|
mathml: "application/mathml+xml",
|
mid: "audio/midi",
|
midi: "audio/midi",
|
mov: "video/quicktime",
|
mp3: "audio/mpeg",
|
mp4: "video/mp4",
|
mp4v: "video/mp4",
|
mpeg: "video/mpeg",
|
mpg: "video/mpeg",
|
odp: "application/vnd.oasis.opendocument.presentation",
|
ods: "application/vnd.oasis.opendocument.spreadsheet",
|
odt: "application/vnd.oasis.opendocument.text",
|
ogg: "application/ogg",
|
pdf: "application/pdf",
|
png: "image/png",
|
pps: "application/vnd.ms-powerpoint",
|
ppt: "application/vnd.ms-powerpoint",
|
ps: "application/postscript",
|
qt: "video/quicktime",
|
rdf: "application/rdf+xml",
|
rss: "application/rss+xml",
|
rtf: "application/rtf",
|
svg: "image/svg+xml",
|
swf: "application/x-shockwave-flash",
|
text: "text/plain",
|
tif: "image/tiff",
|
tiff: "image/tiff",
|
txt: "text/plain",
|
wav: "audio/x-wav",
|
wma: "audio/x-ms-wma",
|
wmv: "video/x-ms-wmv",
|
xml: "application/xml",
|
zip: "application/zip",
|
|
detectFromFilename: function (filename) {
|
var ext = filename.toLowerCase();
|
ext = getExtensionFromUri(ext);
|
return MimeTypes[ext];
|
},
|
};
|
|
var parser;
|
if (typeof DOMParser !== "undefined") {
|
parser = new DOMParser();
|
}
|
|
var autolinker = new Autolinker({
|
stripPrefix: false,
|
email: false,
|
replaceFn: function (match) {
|
if (!match.protocolUrlMatch) {
|
//Prevent matching of non-explicit urls.
|
//i.e. foo.id won't match but http://foo.id will
|
return false;
|
}
|
},
|
});
|
|
var BILLBOARD_SIZE = 32;
|
|
var BILLBOARD_NEAR_DISTANCE = 2414016;
|
var BILLBOARD_NEAR_RATIO = 1.0;
|
var BILLBOARD_FAR_DISTANCE = 1.6093e7;
|
var BILLBOARD_FAR_RATIO = 0.1;
|
|
var kmlNamespaces = [
|
null,
|
undefined,
|
"http://www.opengis.net/kml/2.2",
|
"http://earth.google.com/kml/2.2",
|
"http://earth.google.com/kml/2.1",
|
"http://earth.google.com/kml/2.0",
|
];
|
var gxNamespaces = ["http://www.google.com/kml/ext/2.2"];
|
var atomNamespaces = ["http://www.w3.org/2005/Atom"];
|
var namespaces = {
|
kml: kmlNamespaces,
|
gx: gxNamespaces,
|
atom: atomNamespaces,
|
kmlgx: kmlNamespaces.concat(gxNamespaces),
|
};
|
|
// Ensure Specs/Data/KML/unsupported.kml is kept up to date with these supported types
|
var featureTypes = {
|
Document: processDocument,
|
Folder: processFolder,
|
Placemark: processPlacemark,
|
NetworkLink: processNetworkLink,
|
GroundOverlay: processGroundOverlay,
|
PhotoOverlay: processUnsupportedFeature,
|
ScreenOverlay: processScreenOverlay,
|
Tour: processTour,
|
};
|
|
function DeferredLoading(dataSource) {
|
this._dataSource = dataSource;
|
this._deferred = when.defer();
|
this._stack = [];
|
this._promises = [];
|
this._timeoutSet = false;
|
this._used = false;
|
|
this._started = 0;
|
this._timeThreshold = 1000; // Initial load is 1 second
|
}
|
|
Object.defineProperties(DeferredLoading.prototype, {
|
dataSource: {
|
get: function () {
|
return this._dataSource;
|
},
|
},
|
});
|
|
DeferredLoading.prototype.addNodes = function (nodes, processingData) {
|
this._stack.push({
|
nodes: nodes,
|
index: 0,
|
processingData: processingData,
|
});
|
this._used = true;
|
};
|
|
DeferredLoading.prototype.addPromise = function (promise) {
|
this._promises.push(promise);
|
};
|
|
DeferredLoading.prototype.wait = function () {
|
// Case where we had a non-document/folder as the root
|
var deferred = this._deferred;
|
if (!this._used) {
|
deferred.resolve();
|
}
|
|
return when.join(deferred.promise, when.all(this._promises));
|
};
|
|
DeferredLoading.prototype.process = function () {
|
var isFirstCall = this._stack.length === 1;
|
if (isFirstCall) {
|
this._started = KmlDataSource._getTimestamp();
|
}
|
|
return this._process(isFirstCall);
|
};
|
|
DeferredLoading.prototype._giveUpTime = function () {
|
if (this._timeoutSet) {
|
// Timeout was already set so just return
|
return;
|
}
|
|
this._timeoutSet = true;
|
this._timeThreshold = 50; // After the first load lower threshold to 0.5 seconds
|
var that = this;
|
setTimeout(function () {
|
that._timeoutSet = false;
|
that._started = KmlDataSource._getTimestamp();
|
that._process(true);
|
}, 0);
|
};
|
|
DeferredLoading.prototype._nextNode = function () {
|
var stack = this._stack;
|
var top = stack[stack.length - 1];
|
var index = top.index;
|
var nodes = top.nodes;
|
if (index === nodes.length) {
|
return;
|
}
|
++top.index;
|
|
return nodes[index];
|
};
|
|
DeferredLoading.prototype._pop = function () {
|
var stack = this._stack;
|
stack.pop();
|
|
// Return false if we are done
|
if (stack.length === 0) {
|
this._deferred.resolve();
|
return false;
|
}
|
|
return true;
|
};
|
|
DeferredLoading.prototype._process = function (isFirstCall) {
|
var dataSource = this.dataSource;
|
var processingData = this._stack[this._stack.length - 1].processingData;
|
|
var child = this._nextNode();
|
while (defined(child)) {
|
var featureProcessor = featureTypes[child.localName];
|
if (
|
defined(featureProcessor) &&
|
(namespaces.kml.indexOf(child.namespaceURI) !== -1 ||
|
namespaces.gx.indexOf(child.namespaceURI) !== -1)
|
) {
|
featureProcessor(dataSource, child, processingData, this);
|
|
// Give up time and continue loading later
|
if (
|
this._timeoutSet ||
|
KmlDataSource._getTimestamp() > this._started + this._timeThreshold
|
) {
|
this._giveUpTime();
|
return;
|
}
|
}
|
|
child = this._nextNode();
|
}
|
|
// If we are a recursive call from a subfolder, just return so the parent folder can continue processing
|
// If we aren't then make another call to processNodes because there is stuff still left in the queue
|
if (this._pop() && isFirstCall) {
|
this._process(true);
|
}
|
};
|
|
function isZipFile(blob) {
|
var magicBlob = blob.slice(0, Math.min(4, blob.size));
|
var deferred = when.defer();
|
var reader = new FileReader();
|
reader.addEventListener("load", function () {
|
deferred.resolve(
|
new DataView(reader.result).getUint32(0, false) === 0x504b0304
|
);
|
});
|
reader.addEventListener("error", function () {
|
deferred.reject(reader.error);
|
});
|
reader.readAsArrayBuffer(magicBlob);
|
return deferred.promise;
|
}
|
|
function readBlobAsText(blob) {
|
var deferred = when.defer();
|
var reader = new FileReader();
|
reader.addEventListener("load", function () {
|
deferred.resolve(reader.result);
|
});
|
reader.addEventListener("error", function () {
|
deferred.reject(reader.error);
|
});
|
reader.readAsText(blob);
|
return deferred.promise;
|
}
|
|
function insertNamespaces(text) {
|
var namespaceMap = {
|
xsi: "http://www.w3.org/2001/XMLSchema-instance",
|
};
|
var firstPart, lastPart, reg, declaration;
|
|
for (var key in namespaceMap) {
|
if (namespaceMap.hasOwnProperty(key)) {
|
reg = RegExp("[< ]" + key + ":");
|
declaration = "xmlns:" + key + "=";
|
if (reg.test(text) && text.indexOf(declaration) === -1) {
|
if (!defined(firstPart)) {
|
firstPart = text.substr(0, text.indexOf("<kml") + 4);
|
lastPart = text.substr(firstPart.length);
|
}
|
firstPart += " " + declaration + '"' + namespaceMap[key] + '"';
|
}
|
}
|
}
|
|
if (defined(firstPart)) {
|
text = firstPart + lastPart;
|
}
|
|
return text;
|
}
|
|
function removeDuplicateNamespaces(text) {
|
var index = text.indexOf("xmlns:");
|
var endDeclaration = text.indexOf(">", index);
|
var namespace, startIndex, endIndex;
|
|
while (index !== -1 && index < endDeclaration) {
|
namespace = text.slice(index, text.indexOf('"', index));
|
startIndex = index;
|
index = text.indexOf(namespace, index + 1);
|
if (index !== -1) {
|
endIndex = text.indexOf('"', text.indexOf('"', index) + 1);
|
text = text.slice(0, index - 1) + text.slice(endIndex + 1, text.length);
|
index = text.indexOf("xmlns:", startIndex - 1);
|
} else {
|
index = text.indexOf("xmlns:", startIndex + 1);
|
}
|
}
|
|
return text;
|
}
|
|
function loadXmlFromZip(entry, uriResolver) {
|
return when(entry.getData(new zip.TextWriter())).then(function (text) {
|
text = insertNamespaces(text);
|
text = removeDuplicateNamespaces(text);
|
uriResolver.kml = parser.parseFromString(text, "application/xml");
|
});
|
}
|
|
function loadDataUriFromZip(entry, uriResolver) {
|
var mimeType = defaultValue(
|
MimeTypes.detectFromFilename(entry.filename),
|
"application/octet-stream"
|
);
|
return when(entry.getData(new zip.Data64URIWriter(mimeType))).then(function (
|
dataUri
|
) {
|
uriResolver[entry.filename] = dataUri;
|
});
|
}
|
|
function embedDataUris(div, elementType, attributeName, uriResolver) {
|
var keys = uriResolver.keys;
|
var baseUri = new Uri(".");
|
var elements = div.querySelectorAll(elementType);
|
for (var i = 0; i < elements.length; i++) {
|
var element = elements[i];
|
var value = element.getAttribute(attributeName);
|
var relativeUri = new Uri(value);
|
var uri = relativeUri.absoluteTo(baseUri).toString();
|
var index = keys.indexOf(uri);
|
if (index !== -1) {
|
var key = keys[index];
|
element.setAttribute(attributeName, uriResolver[key]);
|
if (elementType === "a" && element.getAttribute("download") === null) {
|
element.setAttribute("download", key);
|
}
|
}
|
}
|
}
|
|
function applyBasePath(div, elementType, attributeName, sourceResource) {
|
var elements = div.querySelectorAll(elementType);
|
for (var i = 0; i < elements.length; i++) {
|
var element = elements[i];
|
var value = element.getAttribute(attributeName);
|
var resource = resolveHref(value, sourceResource);
|
element.setAttribute(attributeName, resource.url);
|
}
|
}
|
|
// an optional context is passed to allow for some malformed kmls (those with multiple geometries with same ids) to still parse
|
// correctly, as they do in Google Earth.
|
function createEntity(node, entityCollection, context) {
|
var id = queryStringAttribute(node, "id");
|
id = defined(id) && id.length !== 0 ? id : createGuid();
|
if (defined(context)) {
|
id = context + id;
|
}
|
|
// If we have a duplicate ID just generate one.
|
// This isn't valid KML but Google Earth handles this case.
|
var entity = entityCollection.getById(id);
|
if (defined(entity)) {
|
id = createGuid();
|
if (defined(context)) {
|
id = context + id;
|
}
|
}
|
|
entity = entityCollection.add(new Entity({ id: id }));
|
if (!defined(entity.kml)) {
|
entity.addProperty("kml");
|
entity.kml = new KmlFeatureData();
|
}
|
return entity;
|
}
|
|
function isExtrudable(altitudeMode, gxAltitudeMode) {
|
return (
|
altitudeMode === "absolute" ||
|
altitudeMode === "relativeToGround" ||
|
gxAltitudeMode === "relativeToSeaFloor"
|
);
|
}
|
|
function readCoordinate(value, ellipsoid) {
|
//Google Earth treats empty or missing coordinates as 0.
|
if (!defined(value)) {
|
return Cartesian3.fromDegrees(0, 0, 0, ellipsoid);
|
}
|
|
var digits = value.match(/[^\s,\n]+/g);
|
if (!defined(digits)) {
|
return Cartesian3.fromDegrees(0, 0, 0, ellipsoid);
|
}
|
|
var longitude = parseFloat(digits[0]);
|
var latitude = parseFloat(digits[1]);
|
var height = parseFloat(digits[2]);
|
|
longitude = isNaN(longitude) ? 0.0 : longitude;
|
latitude = isNaN(latitude) ? 0.0 : latitude;
|
height = isNaN(height) ? 0.0 : height;
|
|
return Cartesian3.fromDegrees(longitude, latitude, height, ellipsoid);
|
}
|
|
function readCoordinates(element, ellipsoid) {
|
if (!defined(element)) {
|
return undefined;
|
}
|
|
var tuples = element.textContent.match(/[^\s\n]+/g);
|
if (!defined(tuples)) {
|
return undefined;
|
}
|
|
var length = tuples.length;
|
var result = new Array(length);
|
var resultIndex = 0;
|
for (var i = 0; i < length; i++) {
|
result[resultIndex++] = readCoordinate(tuples[i], ellipsoid);
|
}
|
return result;
|
}
|
|
function queryNumericAttribute(node, attributeName) {
|
if (!defined(node)) {
|
return undefined;
|
}
|
|
var value = node.getAttribute(attributeName);
|
if (value !== null) {
|
var result = parseFloat(value);
|
return !isNaN(result) ? result : undefined;
|
}
|
return undefined;
|
}
|
|
function queryStringAttribute(node, attributeName) {
|
if (!defined(node)) {
|
return undefined;
|
}
|
var value = node.getAttribute(attributeName);
|
return value !== null ? value : undefined;
|
}
|
|
function queryFirstNode(node, tagName, namespace) {
|
if (!defined(node)) {
|
return undefined;
|
}
|
var childNodes = node.childNodes;
|
var length = childNodes.length;
|
for (var q = 0; q < length; q++) {
|
var child = childNodes[q];
|
if (
|
child.localName === tagName &&
|
namespace.indexOf(child.namespaceURI) !== -1
|
) {
|
return child;
|
}
|
}
|
return undefined;
|
}
|
|
function queryNodes(node, tagName, namespace) {
|
if (!defined(node)) {
|
return undefined;
|
}
|
var result = [];
|
var childNodes = node.getElementsByTagNameNS("*", tagName);
|
var length = childNodes.length;
|
for (var q = 0; q < length; q++) {
|
var child = childNodes[q];
|
if (
|
child.localName === tagName &&
|
namespace.indexOf(child.namespaceURI) !== -1
|
) {
|
result.push(child);
|
}
|
}
|
return result;
|
}
|
|
function queryChildNodes(node, tagName, namespace) {
|
if (!defined(node)) {
|
return [];
|
}
|
var result = [];
|
var childNodes = node.childNodes;
|
var length = childNodes.length;
|
for (var q = 0; q < length; q++) {
|
var child = childNodes[q];
|
if (
|
child.localName === tagName &&
|
namespace.indexOf(child.namespaceURI) !== -1
|
) {
|
result.push(child);
|
}
|
}
|
return result;
|
}
|
|
function queryNumericValue(node, tagName, namespace) {
|
var resultNode = queryFirstNode(node, tagName, namespace);
|
if (defined(resultNode)) {
|
var result = parseFloat(resultNode.textContent);
|
return !isNaN(result) ? result : undefined;
|
}
|
return undefined;
|
}
|
|
function queryStringValue(node, tagName, namespace) {
|
var result = queryFirstNode(node, tagName, namespace);
|
if (defined(result)) {
|
return result.textContent.trim();
|
}
|
return undefined;
|
}
|
|
function queryBooleanValue(node, tagName, namespace) {
|
var result = queryFirstNode(node, tagName, namespace);
|
if (defined(result)) {
|
var value = result.textContent.trim();
|
return value === "1" || /^true$/i.test(value);
|
}
|
return undefined;
|
}
|
|
function resolveHref(href, sourceResource, uriResolver) {
|
if (!defined(href)) {
|
return undefined;
|
}
|
|
var resource;
|
if (defined(uriResolver)) {
|
// To resolve issues with KML sources defined in Windows style paths.
|
href = href.replace(/\\/g, "/");
|
var blob = uriResolver[href];
|
if (defined(blob)) {
|
resource = new Resource({
|
url: blob,
|
});
|
} else {
|
// Needed for multiple levels of KML files in a KMZ
|
var baseUri = new Uri(sourceResource.getUrlComponent());
|
var uri = new Uri(href);
|
blob = uriResolver[uri.absoluteTo(baseUri)];
|
if (defined(blob)) {
|
resource = new Resource({
|
url: blob,
|
});
|
}
|
}
|
}
|
|
if (!defined(resource)) {
|
resource = sourceResource.getDerivedResource({
|
url: href,
|
});
|
}
|
|
return resource;
|
}
|
|
var colorOptions = {
|
maximumRed: undefined,
|
red: undefined,
|
maximumGreen: undefined,
|
green: undefined,
|
maximumBlue: undefined,
|
blue: undefined,
|
};
|
|
function parseColorString(value, isRandom) {
|
if (!defined(value) || /^\s*$/gm.test(value)) {
|
return undefined;
|
}
|
|
if (value[0] === "#") {
|
value = value.substring(1);
|
}
|
|
var alpha = parseInt(value.substring(0, 2), 16) / 255.0;
|
var blue = parseInt(value.substring(2, 4), 16) / 255.0;
|
var green = parseInt(value.substring(4, 6), 16) / 255.0;
|
var red = parseInt(value.substring(6, 8), 16) / 255.0;
|
|
if (!isRandom) {
|
return new Color(red, green, blue, alpha);
|
}
|
|
if (red > 0) {
|
colorOptions.maximumRed = red;
|
colorOptions.red = undefined;
|
} else {
|
colorOptions.maximumRed = undefined;
|
colorOptions.red = 0;
|
}
|
if (green > 0) {
|
colorOptions.maximumGreen = green;
|
colorOptions.green = undefined;
|
} else {
|
colorOptions.maximumGreen = undefined;
|
colorOptions.green = 0;
|
}
|
if (blue > 0) {
|
colorOptions.maximumBlue = blue;
|
colorOptions.blue = undefined;
|
} else {
|
colorOptions.maximumBlue = undefined;
|
colorOptions.blue = 0;
|
}
|
colorOptions.alpha = alpha;
|
return Color.fromRandom(colorOptions);
|
}
|
|
function queryColorValue(node, tagName, namespace) {
|
var value = queryStringValue(node, tagName, namespace);
|
if (!defined(value)) {
|
return undefined;
|
}
|
return parseColorString(
|
value,
|
queryStringValue(node, "colorMode", namespace) === "random"
|
);
|
}
|
|
function processTimeStamp(featureNode) {
|
var node = queryFirstNode(featureNode, "TimeStamp", namespaces.kmlgx);
|
var whenString = queryStringValue(node, "when", namespaces.kmlgx);
|
|
if (!defined(node) || !defined(whenString) || whenString.length === 0) {
|
return undefined;
|
}
|
|
//According to the KML spec, a TimeStamp represents a "single moment in time"
|
//However, since Cesium animates much differently than Google Earth, that doesn't
|
//Make much sense here. Instead, we use the TimeStamp as the moment the feature
|
//comes into existence. This works much better and gives a similar feel to
|
//GE's experience.
|
var when = JulianDate.fromIso8601(whenString);
|
var result = new TimeIntervalCollection();
|
result.addInterval(
|
new TimeInterval({
|
start: when,
|
stop: Iso8601.MAXIMUM_VALUE,
|
})
|
);
|
return result;
|
}
|
|
function processTimeSpan(featureNode) {
|
var node = queryFirstNode(featureNode, "TimeSpan", namespaces.kmlgx);
|
if (!defined(node)) {
|
return undefined;
|
}
|
var result;
|
|
var beginNode = queryFirstNode(node, "begin", namespaces.kmlgx);
|
var beginDate = defined(beginNode)
|
? JulianDate.fromIso8601(beginNode.textContent)
|
: undefined;
|
|
var endNode = queryFirstNode(node, "end", namespaces.kmlgx);
|
var endDate = defined(endNode)
|
? JulianDate.fromIso8601(endNode.textContent)
|
: undefined;
|
|
if (defined(beginDate) && defined(endDate)) {
|
if (JulianDate.lessThan(endDate, beginDate)) {
|
var tmp = beginDate;
|
beginDate = endDate;
|
endDate = tmp;
|
}
|
result = new TimeIntervalCollection();
|
result.addInterval(
|
new TimeInterval({
|
start: beginDate,
|
stop: endDate,
|
})
|
);
|
} else if (defined(beginDate)) {
|
result = new TimeIntervalCollection();
|
result.addInterval(
|
new TimeInterval({
|
start: beginDate,
|
stop: Iso8601.MAXIMUM_VALUE,
|
})
|
);
|
} else if (defined(endDate)) {
|
result = new TimeIntervalCollection();
|
result.addInterval(
|
new TimeInterval({
|
start: Iso8601.MINIMUM_VALUE,
|
stop: endDate,
|
})
|
);
|
}
|
|
return result;
|
}
|
|
function createDefaultBillboard() {
|
var billboard = new BillboardGraphics();
|
billboard.width = BILLBOARD_SIZE;
|
billboard.height = BILLBOARD_SIZE;
|
billboard.scaleByDistance = new NearFarScalar(
|
BILLBOARD_NEAR_DISTANCE,
|
BILLBOARD_NEAR_RATIO,
|
BILLBOARD_FAR_DISTANCE,
|
BILLBOARD_FAR_RATIO
|
);
|
billboard.pixelOffsetScaleByDistance = new NearFarScalar(
|
BILLBOARD_NEAR_DISTANCE,
|
BILLBOARD_NEAR_RATIO,
|
BILLBOARD_FAR_DISTANCE,
|
BILLBOARD_FAR_RATIO
|
);
|
return billboard;
|
}
|
|
function createDefaultPolygon() {
|
var polygon = new PolygonGraphics();
|
polygon.outline = true;
|
polygon.outlineColor = Color.WHITE;
|
return polygon;
|
}
|
|
function createDefaultLabel() {
|
var label = new LabelGraphics();
|
label.translucencyByDistance = new NearFarScalar(3000000, 1.0, 5000000, 0.0);
|
label.pixelOffset = new Cartesian2(17, 0);
|
label.horizontalOrigin = HorizontalOrigin.LEFT;
|
label.font = "16px sans-serif";
|
label.style = LabelStyle.FILL_AND_OUTLINE;
|
return label;
|
}
|
|
function getIconHref(
|
iconNode,
|
dataSource,
|
sourceResource,
|
uriResolver,
|
canRefresh
|
) {
|
var href = queryStringValue(iconNode, "href", namespaces.kml);
|
if (!defined(href) || href.length === 0) {
|
return undefined;
|
}
|
|
if (href.indexOf("root://icons/palette-") === 0) {
|
var palette = href.charAt(21);
|
|
// Get the icon number
|
var x = defaultValue(queryNumericValue(iconNode, "x", namespaces.gx), 0);
|
var y = defaultValue(queryNumericValue(iconNode, "y", namespaces.gx), 0);
|
x = Math.min(x / 32, 7);
|
y = 7 - Math.min(y / 32, 7);
|
var iconNum = 8 * y + x;
|
|
href =
|
"https://maps.google.com/mapfiles/kml/pal" +
|
palette +
|
"/icon" +
|
iconNum +
|
".png";
|
}
|
|
var hrefResource = resolveHref(href, sourceResource, uriResolver);
|
|
if (canRefresh) {
|
var refreshMode = queryStringValue(iconNode, "refreshMode", namespaces.kml);
|
var viewRefreshMode = queryStringValue(
|
iconNode,
|
"viewRefreshMode",
|
namespaces.kml
|
);
|
if (refreshMode === "onInterval" || refreshMode === "onExpire") {
|
oneTimeWarning(
|
"kml-refreshMode-" + refreshMode,
|
"KML - Unsupported Icon refreshMode: " + refreshMode
|
);
|
} else if (viewRefreshMode === "onStop" || viewRefreshMode === "onRegion") {
|
oneTimeWarning(
|
"kml-refreshMode-" + viewRefreshMode,
|
"KML - Unsupported Icon viewRefreshMode: " + viewRefreshMode
|
);
|
}
|
|
var viewBoundScale = defaultValue(
|
queryStringValue(iconNode, "viewBoundScale", namespaces.kml),
|
1.0
|
);
|
var defaultViewFormat =
|
viewRefreshMode === "onStop"
|
? "BBOX=[bboxWest],[bboxSouth],[bboxEast],[bboxNorth]"
|
: "";
|
var viewFormat = defaultValue(
|
queryStringValue(iconNode, "viewFormat", namespaces.kml),
|
defaultViewFormat
|
);
|
var httpQuery = queryStringValue(iconNode, "httpQuery", namespaces.kml);
|
if (defined(viewFormat)) {
|
hrefResource.setQueryParameters(queryToObject(cleanupString(viewFormat)));
|
}
|
if (defined(httpQuery)) {
|
hrefResource.setQueryParameters(queryToObject(cleanupString(httpQuery)));
|
}
|
|
var ellipsoid = dataSource._ellipsoid;
|
processNetworkLinkQueryString(
|
hrefResource,
|
dataSource._camera,
|
dataSource._canvas,
|
viewBoundScale,
|
dataSource._lastCameraView.bbox,
|
ellipsoid
|
);
|
|
return hrefResource;
|
}
|
|
return hrefResource;
|
}
|
|
function processBillboardIcon(
|
dataSource,
|
node,
|
targetEntity,
|
sourceResource,
|
uriResolver
|
) {
|
var scale = queryNumericValue(node, "scale", namespaces.kml);
|
var heading = queryNumericValue(node, "heading", namespaces.kml);
|
var color = queryColorValue(node, "color", namespaces.kml);
|
|
var iconNode = queryFirstNode(node, "Icon", namespaces.kml);
|
var icon = getIconHref(
|
iconNode,
|
dataSource,
|
sourceResource,
|
uriResolver,
|
false
|
);
|
|
// If icon tags are present but blank, we do not want to show an icon
|
if (defined(iconNode) && !defined(icon)) {
|
icon = false;
|
}
|
|
var x = queryNumericValue(iconNode, "x", namespaces.gx);
|
var y = queryNumericValue(iconNode, "y", namespaces.gx);
|
var w = queryNumericValue(iconNode, "w", namespaces.gx);
|
var h = queryNumericValue(iconNode, "h", namespaces.gx);
|
|
var hotSpotNode = queryFirstNode(node, "hotSpot", namespaces.kml);
|
var hotSpotX = queryNumericAttribute(hotSpotNode, "x");
|
var hotSpotY = queryNumericAttribute(hotSpotNode, "y");
|
var hotSpotXUnit = queryStringAttribute(hotSpotNode, "xunits");
|
var hotSpotYUnit = queryStringAttribute(hotSpotNode, "yunits");
|
|
var billboard = targetEntity.billboard;
|
if (!defined(billboard)) {
|
billboard = createDefaultBillboard();
|
targetEntity.billboard = billboard;
|
}
|
|
billboard.image = icon;
|
billboard.scale = scale;
|
billboard.color = color;
|
|
if (defined(x) || defined(y) || defined(w) || defined(h)) {
|
billboard.imageSubRegion = new BoundingRectangle(x, y, w, h);
|
}
|
|
//GE treats a heading of zero as no heading
|
//You can still point north using a 360 degree angle (or any multiple of 360)
|
if (defined(heading) && heading !== 0) {
|
billboard.rotation = CesiumMath.toRadians(-heading);
|
billboard.alignedAxis = Cartesian3.UNIT_Z;
|
}
|
|
//Hotpot is the KML equivalent of pixel offset
|
//The hotspot origin is the lower left, but we leave
|
//our billboard origin at the center and simply
|
//modify the pixel offset to take this into account
|
scale = defaultValue(scale, 1.0);
|
|
var xOffset;
|
var yOffset;
|
if (defined(hotSpotX)) {
|
if (hotSpotXUnit === "pixels") {
|
xOffset = -hotSpotX * scale;
|
} else if (hotSpotXUnit === "insetPixels") {
|
xOffset = (hotSpotX - BILLBOARD_SIZE) * scale;
|
} else if (hotSpotXUnit === "fraction") {
|
xOffset = -hotSpotX * BILLBOARD_SIZE * scale;
|
}
|
xOffset += BILLBOARD_SIZE * 0.5 * scale;
|
}
|
|
if (defined(hotSpotY)) {
|
if (hotSpotYUnit === "pixels") {
|
yOffset = hotSpotY * scale;
|
} else if (hotSpotYUnit === "insetPixels") {
|
yOffset = (-hotSpotY + BILLBOARD_SIZE) * scale;
|
} else if (hotSpotYUnit === "fraction") {
|
yOffset = hotSpotY * BILLBOARD_SIZE * scale;
|
}
|
|
yOffset -= BILLBOARD_SIZE * 0.5 * scale;
|
}
|
|
if (defined(xOffset) || defined(yOffset)) {
|
billboard.pixelOffset = new Cartesian2(xOffset, yOffset);
|
}
|
}
|
|
function applyStyle(
|
dataSource,
|
styleNode,
|
targetEntity,
|
sourceResource,
|
uriResolver
|
) {
|
for (var i = 0, len = styleNode.childNodes.length; i < len; i++) {
|
var node = styleNode.childNodes.item(i);
|
if (node.localName === "IconStyle") {
|
processBillboardIcon(
|
dataSource,
|
node,
|
targetEntity,
|
sourceResource,
|
uriResolver
|
);
|
} else if (node.localName === "LabelStyle") {
|
var label = targetEntity.label;
|
if (!defined(label)) {
|
label = createDefaultLabel();
|
targetEntity.label = label;
|
}
|
label.scale = defaultValue(
|
queryNumericValue(node, "scale", namespaces.kml),
|
label.scale
|
);
|
label.fillColor = defaultValue(
|
queryColorValue(node, "color", namespaces.kml),
|
label.fillColor
|
);
|
label.text = targetEntity.name;
|
} else if (node.localName === "LineStyle") {
|
var polyline = targetEntity.polyline;
|
if (!defined(polyline)) {
|
polyline = new PolylineGraphics();
|
targetEntity.polyline = polyline;
|
}
|
polyline.width = queryNumericValue(node, "width", namespaces.kml);
|
polyline.material = queryColorValue(node, "color", namespaces.kml);
|
if (defined(queryColorValue(node, "outerColor", namespaces.gx))) {
|
oneTimeWarning(
|
"kml-gx:outerColor",
|
"KML - gx:outerColor is not supported in a LineStyle"
|
);
|
}
|
if (defined(queryNumericValue(node, "outerWidth", namespaces.gx))) {
|
oneTimeWarning(
|
"kml-gx:outerWidth",
|
"KML - gx:outerWidth is not supported in a LineStyle"
|
);
|
}
|
if (defined(queryNumericValue(node, "physicalWidth", namespaces.gx))) {
|
oneTimeWarning(
|
"kml-gx:physicalWidth",
|
"KML - gx:physicalWidth is not supported in a LineStyle"
|
);
|
}
|
if (defined(queryBooleanValue(node, "labelVisibility", namespaces.gx))) {
|
oneTimeWarning(
|
"kml-gx:labelVisibility",
|
"KML - gx:labelVisibility is not supported in a LineStyle"
|
);
|
}
|
} else if (node.localName === "PolyStyle") {
|
var polygon = targetEntity.polygon;
|
if (!defined(polygon)) {
|
polygon = createDefaultPolygon();
|
targetEntity.polygon = polygon;
|
}
|
polygon.material = defaultValue(
|
queryColorValue(node, "color", namespaces.kml),
|
polygon.material
|
);
|
polygon.fill = defaultValue(
|
queryBooleanValue(node, "fill", namespaces.kml),
|
polygon.fill
|
);
|
polygon.outline = defaultValue(
|
queryBooleanValue(node, "outline", namespaces.kml),
|
polygon.outline
|
);
|
} else if (node.localName === "BalloonStyle") {
|
var bgColor = defaultValue(
|
parseColorString(queryStringValue(node, "bgColor", namespaces.kml)),
|
Color.WHITE
|
);
|
var textColor = defaultValue(
|
parseColorString(queryStringValue(node, "textColor", namespaces.kml)),
|
Color.BLACK
|
);
|
var text = queryStringValue(node, "text", namespaces.kml);
|
|
//This is purely an internal property used in style processing,
|
//it never ends up on the final entity.
|
targetEntity.addProperty("balloonStyle");
|
targetEntity.balloonStyle = {
|
bgColor: bgColor,
|
textColor: textColor,
|
text: text,
|
};
|
} else if (node.localName === "ListStyle") {
|
var listItemType = queryStringValue(node, "listItemType", namespaces.kml);
|
if (listItemType === "radioFolder" || listItemType === "checkOffOnly") {
|
oneTimeWarning(
|
"kml-listStyle-" + listItemType,
|
"KML - Unsupported ListStyle with listItemType: " + listItemType
|
);
|
}
|
}
|
}
|
}
|
|
//Processes and merges any inline styles for the provided node into the provided entity.
|
function computeFinalStyle(
|
dataSource,
|
placeMark,
|
styleCollection,
|
sourceResource,
|
uriResolver
|
) {
|
var result = new Entity();
|
var styleEntity;
|
|
//Google earth seems to always use the last inline Style/StyleMap only
|
var styleIndex = -1;
|
var childNodes = placeMark.childNodes;
|
var length = childNodes.length;
|
for (var q = 0; q < length; q++) {
|
var child = childNodes[q];
|
if (child.localName === "Style" || child.localName === "StyleMap") {
|
styleIndex = q;
|
}
|
}
|
|
if (styleIndex !== -1) {
|
var inlineStyleNode = childNodes[styleIndex];
|
if (inlineStyleNode.localName === "Style") {
|
applyStyle(
|
dataSource,
|
inlineStyleNode,
|
result,
|
sourceResource,
|
uriResolver
|
);
|
} else {
|
// StyleMap
|
var pairs = queryChildNodes(inlineStyleNode, "Pair", namespaces.kml);
|
for (var p = 0; p < pairs.length; p++) {
|
var pair = pairs[p];
|
var key = queryStringValue(pair, "key", namespaces.kml);
|
if (key === "normal") {
|
var styleUrl = queryStringValue(pair, "styleUrl", namespaces.kml);
|
if (defined(styleUrl)) {
|
styleEntity = styleCollection.getById(styleUrl);
|
if (!defined(styleEntity)) {
|
styleEntity = styleCollection.getById("#" + styleUrl);
|
}
|
if (defined(styleEntity)) {
|
result.merge(styleEntity);
|
}
|
} else {
|
var node = queryFirstNode(pair, "Style", namespaces.kml);
|
applyStyle(dataSource, node, result, sourceResource, uriResolver);
|
}
|
} else {
|
oneTimeWarning(
|
"kml-styleMap-" + key,
|
"KML - Unsupported StyleMap key: " + key
|
);
|
}
|
}
|
}
|
}
|
|
//Google earth seems to always use the first external style only.
|
var externalStyle = queryStringValue(placeMark, "styleUrl", namespaces.kml);
|
if (defined(externalStyle)) {
|
var id = externalStyle;
|
if (externalStyle[0] !== "#" && externalStyle.indexOf("#") !== -1) {
|
var tokens = externalStyle.split("#");
|
var uri = tokens[0];
|
var resource = sourceResource.getDerivedResource({
|
url: uri,
|
});
|
|
id = resource.getUrlComponent() + "#" + tokens[1];
|
}
|
|
styleEntity = styleCollection.getById(id);
|
if (!defined(styleEntity)) {
|
styleEntity = styleCollection.getById("#" + id);
|
}
|
if (defined(styleEntity)) {
|
result.merge(styleEntity);
|
}
|
}
|
|
return result;
|
}
|
|
//Asynchronously processes an external style file.
|
function processExternalStyles(dataSource, resource, styleCollection) {
|
return resource.fetchXML().then(function (styleKml) {
|
return processStyles(dataSource, styleKml, styleCollection, resource, true);
|
});
|
}
|
|
//Processes all shared and external styles and stores
|
//their id into the provided styleCollection.
|
//Returns an array of promises that will resolve when
|
//each style is loaded.
|
function processStyles(
|
dataSource,
|
kml,
|
styleCollection,
|
sourceResource,
|
isExternal,
|
uriResolver
|
) {
|
var i;
|
var id;
|
var styleEntity;
|
|
var node;
|
var styleNodes = queryNodes(kml, "Style", namespaces.kml);
|
if (defined(styleNodes)) {
|
var styleNodesLength = styleNodes.length;
|
for (i = 0; i < styleNodesLength; i++) {
|
node = styleNodes[i];
|
id = queryStringAttribute(node, "id");
|
if (defined(id)) {
|
id = "#" + id;
|
if (isExternal && defined(sourceResource)) {
|
id = sourceResource.getUrlComponent() + id;
|
}
|
if (!defined(styleCollection.getById(id))) {
|
styleEntity = new Entity({
|
id: id,
|
});
|
styleCollection.add(styleEntity);
|
applyStyle(
|
dataSource,
|
node,
|
styleEntity,
|
sourceResource,
|
uriResolver
|
);
|
}
|
}
|
}
|
}
|
|
var styleMaps = queryNodes(kml, "StyleMap", namespaces.kml);
|
if (defined(styleMaps)) {
|
var styleMapsLength = styleMaps.length;
|
for (i = 0; i < styleMapsLength; i++) {
|
var styleMap = styleMaps[i];
|
id = queryStringAttribute(styleMap, "id");
|
if (defined(id)) {
|
var pairs = queryChildNodes(styleMap, "Pair", namespaces.kml);
|
for (var p = 0; p < pairs.length; p++) {
|
var pair = pairs[p];
|
var key = queryStringValue(pair, "key", namespaces.kml);
|
if (key === "normal") {
|
id = "#" + id;
|
if (isExternal && defined(sourceResource)) {
|
id = sourceResource.getUrlComponent() + id;
|
}
|
if (!defined(styleCollection.getById(id))) {
|
styleEntity = styleCollection.getOrCreateEntity(id);
|
|
var styleUrl = queryStringValue(pair, "styleUrl", namespaces.kml);
|
if (defined(styleUrl)) {
|
if (styleUrl[0] !== "#") {
|
styleUrl = "#" + styleUrl;
|
}
|
|
if (isExternal && defined(sourceResource)) {
|
styleUrl = sourceResource.getUrlComponent() + styleUrl;
|
}
|
var base = styleCollection.getById(styleUrl);
|
|
if (defined(base)) {
|
styleEntity.merge(base);
|
}
|
} else {
|
node = queryFirstNode(pair, "Style", namespaces.kml);
|
applyStyle(
|
dataSource,
|
node,
|
styleEntity,
|
sourceResource,
|
uriResolver
|
);
|
}
|
}
|
} else {
|
oneTimeWarning(
|
"kml-styleMap-" + key,
|
"KML - Unsupported StyleMap key: " + key
|
);
|
}
|
}
|
}
|
}
|
}
|
|
var promises = [];
|
var styleUrlNodes = kml.getElementsByTagName("styleUrl");
|
var styleUrlNodesLength = styleUrlNodes.length;
|
for (i = 0; i < styleUrlNodesLength; i++) {
|
var styleReference = styleUrlNodes[i].textContent;
|
if (styleReference[0] !== "#") {
|
//According to the spec, all local styles should start with a #
|
//and everything else is an external style that has a # seperating
|
//the URL of the document and the style. However, Google Earth
|
//also accepts styleUrls without a # as meaning a local style.
|
var tokens = styleReference.split("#");
|
if (tokens.length === 2) {
|
var uri = tokens[0];
|
var resource = sourceResource.getDerivedResource({
|
url: uri,
|
});
|
|
promises.push(
|
processExternalStyles(dataSource, resource, styleCollection)
|
);
|
}
|
}
|
}
|
|
return promises;
|
}
|
|
function createDropLine(entityCollection, entity, styleEntity) {
|
var entityPosition = new ReferenceProperty(entityCollection, entity.id, [
|
"position",
|
]);
|
var surfacePosition = new ScaledPositionProperty(entity.position);
|
entity.polyline = defined(styleEntity.polyline)
|
? styleEntity.polyline.clone()
|
: new PolylineGraphics();
|
entity.polyline.positions = new PositionPropertyArray([
|
entityPosition,
|
surfacePosition,
|
]);
|
}
|
|
function heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode) {
|
if (
|
(!defined(altitudeMode) && !defined(gxAltitudeMode)) ||
|
altitudeMode === "clampToGround"
|
) {
|
return HeightReference.CLAMP_TO_GROUND;
|
}
|
|
if (altitudeMode === "relativeToGround") {
|
return HeightReference.RELATIVE_TO_GROUND;
|
}
|
|
if (altitudeMode === "absolute") {
|
return HeightReference.NONE;
|
}
|
|
if (gxAltitudeMode === "clampToSeaFloor") {
|
oneTimeWarning(
|
"kml-gx:altitudeMode-clampToSeaFloor",
|
"KML - <gx:altitudeMode>:clampToSeaFloor is currently not supported, using <kml:altitudeMode>:clampToGround."
|
);
|
return HeightReference.CLAMP_TO_GROUND;
|
}
|
|
if (gxAltitudeMode === "relativeToSeaFloor") {
|
oneTimeWarning(
|
"kml-gx:altitudeMode-relativeToSeaFloor",
|
"KML - <gx:altitudeMode>:relativeToSeaFloor is currently not supported, using <kml:altitudeMode>:relativeToGround."
|
);
|
return HeightReference.RELATIVE_TO_GROUND;
|
}
|
|
if (defined(altitudeMode)) {
|
oneTimeWarning(
|
"kml-altitudeMode-unknown",
|
"KML - Unknown <kml:altitudeMode>:" +
|
altitudeMode +
|
", using <kml:altitudeMode>:CLAMP_TO_GROUND."
|
);
|
} else {
|
oneTimeWarning(
|
"kml-gx:altitudeMode-unknown",
|
"KML - Unknown <gx:altitudeMode>:" +
|
gxAltitudeMode +
|
", using <kml:altitudeMode>:CLAMP_TO_GROUND."
|
);
|
}
|
|
// Clamp to ground is the default
|
return HeightReference.CLAMP_TO_GROUND;
|
}
|
|
function createPositionPropertyFromAltitudeMode(
|
property,
|
altitudeMode,
|
gxAltitudeMode
|
) {
|
if (
|
gxAltitudeMode === "relativeToSeaFloor" ||
|
altitudeMode === "absolute" ||
|
altitudeMode === "relativeToGround"
|
) {
|
//Just return the ellipsoid referenced property until we support MSL
|
return property;
|
}
|
|
if (
|
(defined(altitudeMode) && altitudeMode !== "clampToGround") || //
|
(defined(gxAltitudeMode) && gxAltitudeMode !== "clampToSeaFloor")
|
) {
|
oneTimeWarning(
|
"kml-altitudeMode-unknown",
|
"KML - Unknown altitudeMode: " +
|
defaultValue(altitudeMode, gxAltitudeMode)
|
);
|
}
|
|
// Clamp to ground is the default
|
return new ScaledPositionProperty(property);
|
}
|
|
function createPositionPropertyArrayFromAltitudeMode(
|
properties,
|
altitudeMode,
|
gxAltitudeMode,
|
ellipsoid
|
) {
|
if (!defined(properties)) {
|
return undefined;
|
}
|
|
if (
|
gxAltitudeMode === "relativeToSeaFloor" ||
|
altitudeMode === "absolute" ||
|
altitudeMode === "relativeToGround"
|
) {
|
//Just return the ellipsoid referenced property until we support MSL
|
return properties;
|
}
|
|
if (
|
(defined(altitudeMode) && altitudeMode !== "clampToGround") || //
|
(defined(gxAltitudeMode) && gxAltitudeMode !== "clampToSeaFloor")
|
) {
|
oneTimeWarning(
|
"kml-altitudeMode-unknown",
|
"KML - Unknown altitudeMode: " +
|
defaultValue(altitudeMode, gxAltitudeMode)
|
);
|
}
|
|
// Clamp to ground is the default
|
var propertiesLength = properties.length;
|
for (var i = 0; i < propertiesLength; i++) {
|
var property = properties[i];
|
ellipsoid.scaleToGeodeticSurface(property, property);
|
}
|
return properties;
|
}
|
|
function processPositionGraphics(
|
dataSource,
|
entity,
|
styleEntity,
|
heightReference
|
) {
|
var label = entity.label;
|
if (!defined(label)) {
|
label = defined(styleEntity.label)
|
? styleEntity.label.clone()
|
: createDefaultLabel();
|
entity.label = label;
|
}
|
label.text = entity.name;
|
|
var billboard = entity.billboard;
|
if (!defined(billboard)) {
|
billboard = defined(styleEntity.billboard)
|
? styleEntity.billboard.clone()
|
: createDefaultBillboard();
|
entity.billboard = billboard;
|
}
|
|
if (!defined(billboard.image)) {
|
billboard.image = dataSource._pinBuilder.fromColor(Color.YELLOW, 64);
|
|
// If there were empty <Icon> tags in the KML, then billboard.image was set to false above
|
// However, in this case, the false value would have been converted to a property afterwards
|
// Thus, we check if billboard.image is defined with value of false
|
} else if (!billboard.image.getValue()) {
|
billboard.image = undefined;
|
}
|
|
var scale = 1.0;
|
if (defined(billboard.scale)) {
|
scale = billboard.scale.getValue();
|
if (scale !== 0) {
|
label.pixelOffset = new Cartesian2(scale * 16 + 1, 0);
|
} else {
|
//Minor tweaks to better match Google Earth.
|
label.pixelOffset = undefined;
|
label.horizontalOrigin = undefined;
|
}
|
}
|
|
if (defined(heightReference) && dataSource._clampToGround) {
|
billboard.heightReference = heightReference;
|
label.heightReference = heightReference;
|
}
|
}
|
|
function processPathGraphics(entity, styleEntity) {
|
var path = entity.path;
|
if (!defined(path)) {
|
path = new PathGraphics();
|
path.leadTime = 0;
|
entity.path = path;
|
}
|
|
var polyline = styleEntity.polyline;
|
if (defined(polyline)) {
|
path.material = polyline.material;
|
path.width = polyline.width;
|
}
|
}
|
|
function processPoint(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity
|
) {
|
var coordinatesString = queryStringValue(
|
geometryNode,
|
"coordinates",
|
namespaces.kml
|
);
|
var altitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.kml
|
);
|
var gxAltitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.gx
|
);
|
var extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
|
var ellipsoid = dataSource._ellipsoid;
|
var position = readCoordinate(coordinatesString, ellipsoid);
|
|
entity.position = position;
|
processPositionGraphics(
|
dataSource,
|
entity,
|
styleEntity,
|
heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode)
|
);
|
|
if (extrude && isExtrudable(altitudeMode, gxAltitudeMode)) {
|
createDropLine(entityCollection, entity, styleEntity);
|
}
|
|
return true;
|
}
|
|
function processLineStringOrLinearRing(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity
|
) {
|
var coordinatesNode = queryFirstNode(
|
geometryNode,
|
"coordinates",
|
namespaces.kml
|
);
|
var altitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.kml
|
);
|
var gxAltitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.gx
|
);
|
var extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
|
var tessellate = queryBooleanValue(
|
geometryNode,
|
"tessellate",
|
namespaces.kml
|
);
|
var canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
|
var zIndex = queryNumericValue(geometryNode, "drawOrder", namespaces.gx);
|
|
var ellipsoid = dataSource._ellipsoid;
|
var coordinates = readCoordinates(coordinatesNode, ellipsoid);
|
var polyline = styleEntity.polyline;
|
if (canExtrude && extrude) {
|
var wall = new WallGraphics();
|
entity.wall = wall;
|
wall.positions = coordinates;
|
var polygon = styleEntity.polygon;
|
|
if (defined(polygon)) {
|
wall.fill = polygon.fill;
|
wall.material = polygon.material;
|
}
|
|
//Always outline walls so they show up in 2D.
|
wall.outline = true;
|
if (defined(polyline)) {
|
wall.outlineColor = defined(polyline.material)
|
? polyline.material.color
|
: Color.WHITE;
|
wall.outlineWidth = polyline.width;
|
} else if (defined(polygon)) {
|
wall.outlineColor = defined(polygon.material)
|
? polygon.material.color
|
: Color.WHITE;
|
}
|
} else if (dataSource._clampToGround && !canExtrude && tessellate) {
|
var polylineGraphics = new PolylineGraphics();
|
polylineGraphics.clampToGround = true;
|
entity.polyline = polylineGraphics;
|
polylineGraphics.positions = coordinates;
|
if (defined(polyline)) {
|
polylineGraphics.material = defined(polyline.material)
|
? polyline.material.color.getValue(Iso8601.MINIMUM_VALUE)
|
: Color.WHITE;
|
polylineGraphics.width = defaultValue(polyline.width, 1.0);
|
} else {
|
polylineGraphics.material = Color.WHITE;
|
polylineGraphics.width = 1.0;
|
}
|
polylineGraphics.zIndex = zIndex;
|
} else {
|
if (defined(zIndex)) {
|
oneTimeWarning(
|
"kml-gx:drawOrder",
|
"KML - gx:drawOrder is not supported in LineStrings when clampToGround is false"
|
);
|
}
|
if (dataSource._clampToGround && !tessellate) {
|
oneTimeWarning(
|
"kml-line-tesselate",
|
"Ignoring clampToGround for KML lines without the tessellate flag."
|
);
|
}
|
|
polyline = defined(polyline) ? polyline.clone() : new PolylineGraphics();
|
entity.polyline = polyline;
|
polyline.positions = createPositionPropertyArrayFromAltitudeMode(
|
coordinates,
|
altitudeMode,
|
gxAltitudeMode,
|
ellipsoid
|
);
|
if (!tessellate || canExtrude) {
|
polyline.arcType = ArcType.NONE;
|
}
|
}
|
|
return true;
|
}
|
|
function processPolygon(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity
|
) {
|
var outerBoundaryIsNode = queryFirstNode(
|
geometryNode,
|
"outerBoundaryIs",
|
namespaces.kml
|
);
|
var linearRingNode = queryFirstNode(
|
outerBoundaryIsNode,
|
"LinearRing",
|
namespaces.kml
|
);
|
var coordinatesNode = queryFirstNode(
|
linearRingNode,
|
"coordinates",
|
namespaces.kml
|
);
|
var ellipsoid = dataSource._ellipsoid;
|
var coordinates = readCoordinates(coordinatesNode, ellipsoid);
|
var extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
|
var altitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.kml
|
);
|
var gxAltitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.gx
|
);
|
var canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
|
|
var polygon = defined(styleEntity.polygon)
|
? styleEntity.polygon.clone()
|
: createDefaultPolygon();
|
|
var polyline = styleEntity.polyline;
|
if (defined(polyline)) {
|
polygon.outlineColor = defined(polyline.material)
|
? polyline.material.color
|
: Color.WHITE;
|
polygon.outlineWidth = polyline.width;
|
}
|
entity.polygon = polygon;
|
|
if (canExtrude) {
|
polygon.perPositionHeight = true;
|
polygon.extrudedHeight = extrude ? 0 : undefined;
|
} else if (!dataSource._clampToGround) {
|
polygon.height = 0;
|
}
|
|
if (defined(coordinates)) {
|
var hierarchy = new PolygonHierarchy(coordinates);
|
var innerBoundaryIsNodes = queryChildNodes(
|
geometryNode,
|
"innerBoundaryIs",
|
namespaces.kml
|
);
|
for (var j = 0; j < innerBoundaryIsNodes.length; j++) {
|
linearRingNode = queryChildNodes(
|
innerBoundaryIsNodes[j],
|
"LinearRing",
|
namespaces.kml
|
);
|
for (var k = 0; k < linearRingNode.length; k++) {
|
coordinatesNode = queryFirstNode(
|
linearRingNode[k],
|
"coordinates",
|
namespaces.kml
|
);
|
coordinates = readCoordinates(coordinatesNode, ellipsoid);
|
if (defined(coordinates)) {
|
hierarchy.holes.push(new PolygonHierarchy(coordinates));
|
}
|
}
|
}
|
polygon.hierarchy = hierarchy;
|
}
|
|
return true;
|
}
|
|
function processTrack(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity
|
) {
|
var altitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.kml
|
);
|
var gxAltitudeMode = queryStringValue(
|
geometryNode,
|
"altitudeMode",
|
namespaces.gx
|
);
|
var coordNodes = queryChildNodes(geometryNode, "coord", namespaces.gx);
|
var angleNodes = queryChildNodes(geometryNode, "angles", namespaces.gx);
|
var timeNodes = queryChildNodes(geometryNode, "when", namespaces.kml);
|
var extrude = queryBooleanValue(geometryNode, "extrude", namespaces.kml);
|
var canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
|
var ellipsoid = dataSource._ellipsoid;
|
|
if (angleNodes.length > 0) {
|
oneTimeWarning(
|
"kml-gx:angles",
|
"KML - gx:angles are not supported in gx:Tracks"
|
);
|
}
|
|
var length = Math.min(coordNodes.length, timeNodes.length);
|
var coordinates = [];
|
var times = [];
|
for (var i = 0; i < length; i++) {
|
var position = readCoordinate(coordNodes[i].textContent, ellipsoid);
|
coordinates.push(position);
|
times.push(JulianDate.fromIso8601(timeNodes[i].textContent));
|
}
|
var property = new SampledPositionProperty();
|
property.addSamples(times, coordinates);
|
entity.position = property;
|
processPositionGraphics(
|
dataSource,
|
entity,
|
styleEntity,
|
heightReferenceFromAltitudeMode(altitudeMode, gxAltitudeMode)
|
);
|
processPathGraphics(entity, styleEntity);
|
|
entity.availability = new TimeIntervalCollection();
|
|
if (timeNodes.length > 0) {
|
entity.availability.addInterval(
|
new TimeInterval({
|
start: times[0],
|
stop: times[times.length - 1],
|
})
|
);
|
}
|
|
if (canExtrude && extrude) {
|
createDropLine(entityCollection, entity, styleEntity);
|
}
|
|
return true;
|
}
|
|
function addToMultiTrack(
|
times,
|
positions,
|
composite,
|
availability,
|
dropShowProperty,
|
extrude,
|
altitudeMode,
|
gxAltitudeMode,
|
includeEndPoints
|
) {
|
var start = times[0];
|
var stop = times[times.length - 1];
|
|
var data = new SampledPositionProperty();
|
data.addSamples(times, positions);
|
|
composite.intervals.addInterval(
|
new TimeInterval({
|
start: start,
|
stop: stop,
|
isStartIncluded: includeEndPoints,
|
isStopIncluded: includeEndPoints,
|
data: createPositionPropertyFromAltitudeMode(
|
data,
|
altitudeMode,
|
gxAltitudeMode
|
),
|
})
|
);
|
availability.addInterval(
|
new TimeInterval({
|
start: start,
|
stop: stop,
|
isStartIncluded: includeEndPoints,
|
isStopIncluded: includeEndPoints,
|
})
|
);
|
dropShowProperty.intervals.addInterval(
|
new TimeInterval({
|
start: start,
|
stop: stop,
|
isStartIncluded: includeEndPoints,
|
isStopIncluded: includeEndPoints,
|
data: extrude,
|
})
|
);
|
}
|
|
function processMultiTrack(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity
|
) {
|
// Multitrack options do not work in GE as detailed in the spec,
|
// rather than altitudeMode being at the MultiTrack level,
|
// GE just defers all settings to the underlying track.
|
|
var interpolate = queryBooleanValue(
|
geometryNode,
|
"interpolate",
|
namespaces.gx
|
);
|
var trackNodes = queryChildNodes(geometryNode, "Track", namespaces.gx);
|
|
var times;
|
var lastStop;
|
var lastStopPosition;
|
var needDropLine = false;
|
var dropShowProperty = new TimeIntervalCollectionProperty();
|
var availability = new TimeIntervalCollection();
|
var composite = new CompositePositionProperty();
|
var ellipsoid = dataSource._ellipsoid;
|
for (var i = 0, len = trackNodes.length; i < len; i++) {
|
var trackNode = trackNodes[i];
|
var timeNodes = queryChildNodes(trackNode, "when", namespaces.kml);
|
var coordNodes = queryChildNodes(trackNode, "coord", namespaces.gx);
|
var altitudeMode = queryStringValue(
|
trackNode,
|
"altitudeMode",
|
namespaces.kml
|
);
|
var gxAltitudeMode = queryStringValue(
|
trackNode,
|
"altitudeMode",
|
namespaces.gx
|
);
|
var canExtrude = isExtrudable(altitudeMode, gxAltitudeMode);
|
var extrude = queryBooleanValue(trackNode, "extrude", namespaces.kml);
|
|
var length = Math.min(coordNodes.length, timeNodes.length);
|
|
var positions = [];
|
times = [];
|
for (var x = 0; x < length; x++) {
|
var position = readCoordinate(coordNodes[x].textContent, ellipsoid);
|
positions.push(position);
|
times.push(JulianDate.fromIso8601(timeNodes[x].textContent));
|
}
|
|
if (interpolate) {
|
//If we are interpolating, then we need to fill in the end of
|
//the last track and the beginning of this one with a sampled
|
//property. From testing in Google Earth, this property
|
//is never extruded and always absolute.
|
if (defined(lastStop)) {
|
addToMultiTrack(
|
[lastStop, times[0]],
|
[lastStopPosition, positions[0]],
|
composite,
|
availability,
|
dropShowProperty,
|
false,
|
"absolute",
|
undefined,
|
false
|
);
|
}
|
lastStop = times[length - 1];
|
lastStopPosition = positions[positions.length - 1];
|
}
|
|
addToMultiTrack(
|
times,
|
positions,
|
composite,
|
availability,
|
dropShowProperty,
|
canExtrude && extrude,
|
altitudeMode,
|
gxAltitudeMode,
|
true
|
);
|
needDropLine = needDropLine || (canExtrude && extrude);
|
}
|
|
entity.availability = availability;
|
entity.position = composite;
|
processPositionGraphics(dataSource, entity, styleEntity);
|
processPathGraphics(entity, styleEntity);
|
if (needDropLine) {
|
createDropLine(entityCollection, entity, styleEntity);
|
entity.polyline.show = dropShowProperty;
|
}
|
|
return true;
|
}
|
|
var geometryTypes = {
|
Point: processPoint,
|
LineString: processLineStringOrLinearRing,
|
LinearRing: processLineStringOrLinearRing,
|
Polygon: processPolygon,
|
Track: processTrack,
|
MultiTrack: processMultiTrack,
|
MultiGeometry: processMultiGeometry,
|
Model: processUnsupportedGeometry,
|
};
|
|
function processMultiGeometry(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity,
|
context
|
) {
|
var childNodes = geometryNode.childNodes;
|
var hasGeometry = false;
|
for (var i = 0, len = childNodes.length; i < len; i++) {
|
var childNode = childNodes.item(i);
|
var geometryProcessor = geometryTypes[childNode.localName];
|
if (defined(geometryProcessor)) {
|
var childEntity = createEntity(childNode, entityCollection, context);
|
childEntity.parent = entity;
|
childEntity.name = entity.name;
|
childEntity.availability = entity.availability;
|
childEntity.description = entity.description;
|
childEntity.kml = entity.kml;
|
if (
|
geometryProcessor(
|
dataSource,
|
entityCollection,
|
childNode,
|
childEntity,
|
styleEntity
|
)
|
) {
|
hasGeometry = true;
|
}
|
}
|
}
|
|
return hasGeometry;
|
}
|
|
function processUnsupportedGeometry(
|
dataSource,
|
entityCollection,
|
geometryNode,
|
entity,
|
styleEntity
|
) {
|
oneTimeWarning(
|
"kml-unsupportedGeometry",
|
"KML - Unsupported geometry: " + geometryNode.localName
|
);
|
return false;
|
}
|
|
function processExtendedData(node, entity) {
|
var extendedDataNode = queryFirstNode(node, "ExtendedData", namespaces.kml);
|
|
if (!defined(extendedDataNode)) {
|
return undefined;
|
}
|
|
if (defined(queryFirstNode(extendedDataNode, "SchemaData", namespaces.kml))) {
|
oneTimeWarning("kml-schemaData", "KML - SchemaData is unsupported");
|
}
|
if (defined(queryStringAttribute(extendedDataNode, "xmlns:prefix"))) {
|
oneTimeWarning(
|
"kml-extendedData",
|
"KML - ExtendedData with xmlns:prefix is unsupported"
|
);
|
}
|
|
var result = {};
|
var dataNodes = queryChildNodes(extendedDataNode, "Data", namespaces.kml);
|
if (defined(dataNodes)) {
|
var length = dataNodes.length;
|
for (var i = 0; i < length; i++) {
|
var dataNode = dataNodes[i];
|
var name = queryStringAttribute(dataNode, "name");
|
if (defined(name)) {
|
result[name] = {
|
displayName: queryStringValue(
|
dataNode,
|
"displayName",
|
namespaces.kml
|
),
|
value: queryStringValue(dataNode, "value", namespaces.kml),
|
};
|
}
|
}
|
}
|
entity.kml.extendedData = result;
|
}
|
|
var scratchDiv;
|
if (typeof document !== "undefined") {
|
scratchDiv = document.createElement("div");
|
}
|
|
function processDescription(
|
node,
|
entity,
|
styleEntity,
|
uriResolver,
|
sourceResource
|
) {
|
var i;
|
var key;
|
var keys;
|
|
var kmlData = entity.kml;
|
var extendedData = kmlData.extendedData;
|
var description = queryStringValue(node, "description", namespaces.kml);
|
|
var balloonStyle = defaultValue(
|
entity.balloonStyle,
|
styleEntity.balloonStyle
|
);
|
|
var background = Color.WHITE;
|
var foreground = Color.BLACK;
|
var text = description;
|
|
if (defined(balloonStyle)) {
|
background = defaultValue(balloonStyle.bgColor, Color.WHITE);
|
foreground = defaultValue(balloonStyle.textColor, Color.BLACK);
|
text = defaultValue(balloonStyle.text, description);
|
}
|
|
var value;
|
if (defined(text)) {
|
text = text.replace("$[name]", defaultValue(entity.name, ""));
|
text = text.replace("$[description]", defaultValue(description, ""));
|
text = text.replace("$[address]", defaultValue(kmlData.address, ""));
|
text = text.replace("$[Snippet]", defaultValue(kmlData.snippet, ""));
|
text = text.replace("$[id]", entity.id);
|
|
//While not explicitly defined by the OGC spec, in Google Earth
|
//The appearance of geDirections adds the directions to/from links
|
//We simply replace this string with nothing.
|
text = text.replace("$[geDirections]", "");
|
|
if (defined(extendedData)) {
|
var matches = text.match(/\$\[.+?\]/g);
|
if (matches !== null) {
|
for (i = 0; i < matches.length; i++) {
|
var token = matches[i];
|
var propertyName = token.substr(2, token.length - 3);
|
var isDisplayName = /\/displayName$/.test(propertyName);
|
propertyName = propertyName.replace(/\/displayName$/, "");
|
|
value = extendedData[propertyName];
|
if (defined(value)) {
|
value = isDisplayName ? value.displayName : value.value;
|
}
|
if (defined(value)) {
|
text = text.replace(token, defaultValue(value, ""));
|
}
|
}
|
}
|
}
|
} else if (defined(extendedData)) {
|
//If no description exists, build a table out of the extended data
|
keys = Object.keys(extendedData);
|
if (keys.length > 0) {
|
text =
|
'<table class="cesium-infoBox-defaultTable cesium-infoBox-defaultTable-lighter"><tbody>';
|
for (i = 0; i < keys.length; i++) {
|
key = keys[i];
|
value = extendedData[key];
|
text +=
|
"<tr><th>" +
|
defaultValue(value.displayName, key) +
|
"</th><td>" +
|
defaultValue(value.value, "") +
|
"</td></tr>";
|
}
|
text += "</tbody></table>";
|
}
|
}
|
|
if (!defined(text)) {
|
//No description
|
return;
|
}
|
|
//Turns non-explicit links into clickable links.
|
text = autolinker.link(text);
|
|
//Use a temporary div to manipulate the links
|
//so that they open in a new window.
|
scratchDiv.innerHTML = text;
|
var links = scratchDiv.querySelectorAll("a");
|
for (i = 0; i < links.length; i++) {
|
links[i].setAttribute("target", "_blank");
|
}
|
|
//Rewrite any KMZ embedded urls
|
if (defined(uriResolver) && uriResolver.keys.length > 1) {
|
embedDataUris(scratchDiv, "a", "href", uriResolver);
|
embedDataUris(scratchDiv, "img", "src", uriResolver);
|
}
|
|
//Make relative urls absolute using the sourceResource
|
applyBasePath(scratchDiv, "a", "href", sourceResource);
|
applyBasePath(scratchDiv, "img", "src", sourceResource);
|
|
var tmp = '<div class="cesium-infoBox-description-lighter" style="';
|
tmp += "overflow:auto;";
|
tmp += "word-wrap:break-word;";
|
tmp += "background-color:" + background.toCssColorString() + ";";
|
tmp += "color:" + foreground.toCssColorString() + ";";
|
tmp += '">';
|
tmp += scratchDiv.innerHTML + "</div>";
|
scratchDiv.innerHTML = "";
|
|
//Set the final HTML as the description.
|
entity.description = tmp;
|
}
|
|
function processFeature(dataSource, featureNode, processingData) {
|
var entityCollection = processingData.entityCollection;
|
var parent = processingData.parentEntity;
|
var sourceResource = processingData.sourceResource;
|
var uriResolver = processingData.uriResolver;
|
|
var entity = createEntity(
|
featureNode,
|
entityCollection,
|
processingData.context
|
);
|
var kmlData = entity.kml;
|
var styleEntity = computeFinalStyle(
|
dataSource,
|
featureNode,
|
processingData.styleCollection,
|
sourceResource,
|
uriResolver
|
);
|
|
var name = queryStringValue(featureNode, "name", namespaces.kml);
|
entity.name = name;
|
entity.parent = parent;
|
|
var availability = processTimeSpan(featureNode);
|
if (!defined(availability)) {
|
availability = processTimeStamp(featureNode);
|
}
|
entity.availability = availability;
|
|
mergeAvailabilityWithParent(entity);
|
|
// Per KML spec "A Feature is visible only if it and all its ancestors are visible."
|
function ancestryIsVisible(parentEntity) {
|
if (!parentEntity) {
|
return true;
|
}
|
return parentEntity.show && ancestryIsVisible(parentEntity.parent);
|
}
|
|
var visibility = queryBooleanValue(featureNode, "visibility", namespaces.kml);
|
entity.show = ancestryIsVisible(parent) && defaultValue(visibility, true);
|
//var open = queryBooleanValue(featureNode, 'open', namespaces.kml);
|
|
var authorNode = queryFirstNode(featureNode, "author", namespaces.atom);
|
var author = kmlData.author;
|
author.name = queryStringValue(authorNode, "name", namespaces.atom);
|
author.uri = queryStringValue(authorNode, "uri", namespaces.atom);
|
author.email = queryStringValue(authorNode, "email", namespaces.atom);
|
|
var linkNode = queryFirstNode(featureNode, "link", namespaces.atom);
|
var link = kmlData.link;
|
link.href = queryStringAttribute(linkNode, "href");
|
link.hreflang = queryStringAttribute(linkNode, "hreflang");
|
link.rel = queryStringAttribute(linkNode, "rel");
|
link.type = queryStringAttribute(linkNode, "type");
|
link.title = queryStringAttribute(linkNode, "title");
|
link.length = queryStringAttribute(linkNode, "length");
|
|
kmlData.address = queryStringValue(featureNode, "address", namespaces.kml);
|
kmlData.phoneNumber = queryStringValue(
|
featureNode,
|
"phoneNumber",
|
namespaces.kml
|
);
|
kmlData.snippet = queryStringValue(featureNode, "Snippet", namespaces.kml);
|
|
processExtendedData(featureNode, entity);
|
processDescription(
|
featureNode,
|
entity,
|
styleEntity,
|
uriResolver,
|
sourceResource
|
);
|
|
var ellipsoid = dataSource._ellipsoid;
|
processLookAt(featureNode, entity, ellipsoid);
|
processCamera(featureNode, entity, ellipsoid);
|
|
if (defined(queryFirstNode(featureNode, "Region", namespaces.kml))) {
|
oneTimeWarning("kml-region", "KML - Placemark Regions are unsupported");
|
}
|
|
return {
|
entity: entity,
|
styleEntity: styleEntity,
|
};
|
}
|
|
function processDocument(dataSource, node, processingData, deferredLoading) {
|
deferredLoading.addNodes(node.childNodes, processingData);
|
deferredLoading.process();
|
}
|
|
function processFolder(dataSource, node, processingData, deferredLoading) {
|
var r = processFeature(dataSource, node, processingData);
|
var newProcessingData = clone(processingData);
|
newProcessingData.parentEntity = r.entity;
|
processDocument(dataSource, node, newProcessingData, deferredLoading);
|
}
|
|
function processPlacemark(
|
dataSource,
|
placemark,
|
processingData,
|
deferredLoading
|
) {
|
var r = processFeature(dataSource, placemark, processingData);
|
var entity = r.entity;
|
var styleEntity = r.styleEntity;
|
|
var hasGeometry = false;
|
var childNodes = placemark.childNodes;
|
for (var i = 0, len = childNodes.length; i < len && !hasGeometry; i++) {
|
var childNode = childNodes.item(i);
|
var geometryProcessor = geometryTypes[childNode.localName];
|
if (defined(geometryProcessor)) {
|
// pass the placemark entity id as a context for case of defining multiple child entities together to handle case
|
// where some malformed kmls reuse the same id across placemarks, which works in GE, but is not technically to spec.
|
geometryProcessor(
|
dataSource,
|
processingData.entityCollection,
|
childNode,
|
entity,
|
styleEntity,
|
entity.id
|
);
|
hasGeometry = true;
|
}
|
}
|
|
if (!hasGeometry) {
|
entity.merge(styleEntity);
|
processPositionGraphics(dataSource, entity, styleEntity);
|
}
|
}
|
|
var playlistNodeProcessors = {
|
FlyTo: processTourFlyTo,
|
Wait: processTourWait,
|
SoundCue: processTourUnsupportedNode,
|
AnimatedUpdate: processTourUnsupportedNode,
|
TourControl: processTourUnsupportedNode,
|
};
|
|
function processTour(dataSource, node, processingData, deferredLoading) {
|
var name = queryStringValue(node, "name", namespaces.kml);
|
var id = queryStringAttribute(node, "id");
|
var tour = new KmlTour(name, id);
|
|
var playlistNode = queryFirstNode(node, "Playlist", namespaces.gx);
|
if (playlistNode) {
|
var ellipsoid = dataSource._ellipsoid;
|
var childNodes = playlistNode.childNodes;
|
for (var i = 0; i < childNodes.length; i++) {
|
var entryNode = childNodes[i];
|
if (entryNode.localName) {
|
var playlistNodeProcessor = playlistNodeProcessors[entryNode.localName];
|
if (playlistNodeProcessor) {
|
playlistNodeProcessor(tour, entryNode, ellipsoid);
|
} else {
|
console.log(
|
"Unknown KML Tour playlist entry type " + entryNode.localName
|
);
|
}
|
}
|
}
|
}
|
|
dataSource._kmlTours.push(tour);
|
}
|
|
function processTourUnsupportedNode(tour, entryNode) {
|
oneTimeWarning("KML Tour unsupported node " + entryNode.localName);
|
}
|
|
function processTourWait(tour, entryNode) {
|
var duration = queryNumericValue(entryNode, "duration", namespaces.gx);
|
tour.addPlaylistEntry(new KmlTourWait(duration));
|
}
|
|
function processTourFlyTo(tour, entryNode, ellipsoid) {
|
var duration = queryNumericValue(entryNode, "duration", namespaces.gx);
|
var flyToMode = queryStringValue(entryNode, "flyToMode", namespaces.gx);
|
|
var t = { kml: {} };
|
|
processLookAt(entryNode, t, ellipsoid);
|
processCamera(entryNode, t, ellipsoid);
|
|
var view = t.kml.lookAt || t.kml.camera;
|
|
var flyto = new KmlTourFlyTo(duration, flyToMode, view);
|
tour.addPlaylistEntry(flyto);
|
}
|
|
function processCamera(featureNode, entity, ellipsoid) {
|
var camera = queryFirstNode(featureNode, "Camera", namespaces.kml);
|
if (defined(camera)) {
|
var lon = defaultValue(
|
queryNumericValue(camera, "longitude", namespaces.kml),
|
0.0
|
);
|
var lat = defaultValue(
|
queryNumericValue(camera, "latitude", namespaces.kml),
|
0.0
|
);
|
var altitude = defaultValue(
|
queryNumericValue(camera, "altitude", namespaces.kml),
|
0.0
|
);
|
|
var heading = defaultValue(
|
queryNumericValue(camera, "heading", namespaces.kml),
|
0.0
|
);
|
var tilt = defaultValue(
|
queryNumericValue(camera, "tilt", namespaces.kml),
|
0.0
|
);
|
var roll = defaultValue(
|
queryNumericValue(camera, "roll", namespaces.kml),
|
0.0
|
);
|
|
var position = Cartesian3.fromDegrees(lon, lat, altitude, ellipsoid);
|
var hpr = HeadingPitchRoll.fromDegrees(heading, tilt - 90.0, roll);
|
|
entity.kml.camera = new KmlCamera(position, hpr);
|
}
|
}
|
|
function processLookAt(featureNode, entity, ellipsoid) {
|
var lookAt = queryFirstNode(featureNode, "LookAt", namespaces.kml);
|
if (defined(lookAt)) {
|
var lon = defaultValue(
|
queryNumericValue(lookAt, "longitude", namespaces.kml),
|
0.0
|
);
|
var lat = defaultValue(
|
queryNumericValue(lookAt, "latitude", namespaces.kml),
|
0.0
|
);
|
var altitude = defaultValue(
|
queryNumericValue(lookAt, "altitude", namespaces.kml),
|
0.0
|
);
|
var heading = queryNumericValue(lookAt, "heading", namespaces.kml);
|
var tilt = queryNumericValue(lookAt, "tilt", namespaces.kml);
|
var range = defaultValue(
|
queryNumericValue(lookAt, "range", namespaces.kml),
|
0.0
|
);
|
|
tilt = CesiumMath.toRadians(defaultValue(tilt, 0.0));
|
heading = CesiumMath.toRadians(defaultValue(heading, 0.0));
|
|
var hpr = new HeadingPitchRange(
|
heading,
|
tilt - CesiumMath.PI_OVER_TWO,
|
range
|
);
|
var viewPoint = Cartesian3.fromDegrees(lon, lat, altitude, ellipsoid);
|
|
entity.kml.lookAt = new KmlLookAt(viewPoint, hpr);
|
}
|
}
|
|
function processScreenOverlay(
|
dataSource,
|
screenOverlayNode,
|
processingData,
|
deferredLoading
|
) {
|
var screenOverlay = processingData.screenOverlayContainer;
|
if (!defined(screenOverlay)) {
|
return undefined;
|
}
|
|
var sourceResource = processingData.sourceResource;
|
var uriResolver = processingData.uriResolver;
|
|
var iconNode = queryFirstNode(screenOverlayNode, "Icon", namespaces.kml);
|
var icon = getIconHref(
|
iconNode,
|
dataSource,
|
sourceResource,
|
uriResolver,
|
false
|
);
|
|
if (!defined(icon)) {
|
return undefined;
|
}
|
|
var img = document.createElement("img");
|
dataSource._screenOverlays.push(img);
|
|
img.src = icon.url;
|
img.onload = function () {
|
var styles = ["position: absolute"];
|
|
var screenXY = queryFirstNode(
|
screenOverlayNode,
|
"screenXY",
|
namespaces.kml
|
);
|
var overlayXY = queryFirstNode(
|
screenOverlayNode,
|
"overlayXY",
|
namespaces.kml
|
);
|
var size = queryFirstNode(screenOverlayNode, "size", namespaces.kml);
|
|
var x, y;
|
var xUnit, yUnit;
|
var xStyle, yStyle;
|
|
if (defined(size)) {
|
x = queryNumericAttribute(size, "x");
|
y = queryNumericAttribute(size, "y");
|
xUnit = queryStringAttribute(size, "xunits");
|
yUnit = queryStringAttribute(size, "yunits");
|
|
if (defined(x) && x !== -1 && x !== 0) {
|
if (xUnit === "fraction") {
|
xStyle = "width: " + Math.floor(x * 100) + "%";
|
} else if (xUnit === "pixels") {
|
xStyle = "width: " + x + "px";
|
}
|
|
styles.push(xStyle);
|
}
|
|
if (defined(y) && y !== -1 && y !== 0) {
|
if (yUnit === "fraction") {
|
yStyle = "height: " + Math.floor(y * 100) + "%";
|
} else if (yUnit === "pixels") {
|
yStyle = "height: " + y + "px";
|
}
|
|
styles.push(yStyle);
|
}
|
}
|
|
// set the interim style so the width/height properties get calculated
|
img.style = styles.join(";");
|
|
var xOrigin = 0;
|
var yOrigin = img.height;
|
|
if (defined(overlayXY)) {
|
x = queryNumericAttribute(overlayXY, "x");
|
y = queryNumericAttribute(overlayXY, "y");
|
xUnit = queryStringAttribute(overlayXY, "xunits");
|
yUnit = queryStringAttribute(overlayXY, "yunits");
|
|
if (defined(x)) {
|
if (xUnit === "fraction") {
|
xOrigin = x * img.width;
|
} else if (xUnit === "pixels") {
|
xOrigin = x;
|
} else if (xUnit === "insetPixels") {
|
xOrigin = x;
|
}
|
}
|
|
if (defined(y)) {
|
if (yUnit === "fraction") {
|
yOrigin = y * img.height;
|
} else if (yUnit === "pixels") {
|
yOrigin = y;
|
} else if (yUnit === "insetPixels") {
|
yOrigin = y;
|
}
|
}
|
}
|
|
if (defined(screenXY)) {
|
x = queryNumericAttribute(screenXY, "x");
|
y = queryNumericAttribute(screenXY, "y");
|
xUnit = queryStringAttribute(screenXY, "xunits");
|
yUnit = queryStringAttribute(screenXY, "yunits");
|
|
if (defined(x)) {
|
if (xUnit === "fraction") {
|
xStyle =
|
"left: " + "calc(" + Math.floor(x * 100) + "% - " + xOrigin + "px)";
|
} else if (xUnit === "pixels") {
|
xStyle = "left: " + (x - xOrigin) + "px";
|
} else if (xUnit === "insetPixels") {
|
xStyle = "right: " + (x - xOrigin) + "px";
|
}
|
|
styles.push(xStyle);
|
}
|
|
if (defined(y)) {
|
if (yUnit === "fraction") {
|
yStyle =
|
"bottom: " +
|
"calc(" +
|
Math.floor(y * 100) +
|
"% - " +
|
yOrigin +
|
"px)";
|
} else if (yUnit === "pixels") {
|
yStyle = "bottom: " + (y - yOrigin) + "px";
|
} else if (yUnit === "insetPixels") {
|
yStyle = "top: " + (y - yOrigin) + "px";
|
}
|
|
styles.push(yStyle);
|
}
|
}
|
|
img.style = styles.join(";");
|
};
|
|
screenOverlay.appendChild(img);
|
}
|
|
function processGroundOverlay(
|
dataSource,
|
groundOverlay,
|
processingData,
|
deferredLoading
|
) {
|
var r = processFeature(dataSource, groundOverlay, processingData);
|
var entity = r.entity;
|
|
var geometry;
|
var isLatLonQuad = false;
|
|
var ellipsoid = dataSource._ellipsoid;
|
var positions = readCoordinates(
|
queryFirstNode(groundOverlay, "LatLonQuad", namespaces.gx),
|
ellipsoid
|
);
|
var zIndex = queryNumericValue(groundOverlay, "drawOrder", namespaces.kml);
|
if (defined(positions)) {
|
geometry = createDefaultPolygon();
|
geometry.hierarchy = new PolygonHierarchy(positions);
|
geometry.zIndex = zIndex;
|
entity.polygon = geometry;
|
isLatLonQuad = true;
|
} else {
|
geometry = new RectangleGraphics();
|
geometry.zIndex = zIndex;
|
entity.rectangle = geometry;
|
|
var latLonBox = queryFirstNode(groundOverlay, "LatLonBox", namespaces.kml);
|
if (defined(latLonBox)) {
|
var west = queryNumericValue(latLonBox, "west", namespaces.kml);
|
var south = queryNumericValue(latLonBox, "south", namespaces.kml);
|
var east = queryNumericValue(latLonBox, "east", namespaces.kml);
|
var north = queryNumericValue(latLonBox, "north", namespaces.kml);
|
|
if (defined(west)) {
|
west = CesiumMath.negativePiToPi(CesiumMath.toRadians(west));
|
}
|
if (defined(south)) {
|
south = CesiumMath.clampToLatitudeRange(CesiumMath.toRadians(south));
|
}
|
if (defined(east)) {
|
east = CesiumMath.negativePiToPi(CesiumMath.toRadians(east));
|
}
|
if (defined(north)) {
|
north = CesiumMath.clampToLatitudeRange(CesiumMath.toRadians(north));
|
}
|
geometry.coordinates = new Rectangle(west, south, east, north);
|
|
var rotation = queryNumericValue(latLonBox, "rotation", namespaces.kml);
|
if (defined(rotation)) {
|
var rotationRadians = CesiumMath.toRadians(rotation);
|
geometry.rotation = rotationRadians;
|
geometry.stRotation = rotationRadians;
|
}
|
}
|
}
|
|
var iconNode = queryFirstNode(groundOverlay, "Icon", namespaces.kml);
|
var href = getIconHref(
|
iconNode,
|
dataSource,
|
processingData.sourceResource,
|
processingData.uriResolver,
|
true
|
);
|
if (defined(href)) {
|
if (isLatLonQuad) {
|
oneTimeWarning(
|
"kml-gx:LatLonQuad",
|
"KML - gx:LatLonQuad Icon does not support texture projection."
|
);
|
}
|
var x = queryNumericValue(iconNode, "x", namespaces.gx);
|
var y = queryNumericValue(iconNode, "y", namespaces.gx);
|
var w = queryNumericValue(iconNode, "w", namespaces.gx);
|
var h = queryNumericValue(iconNode, "h", namespaces.gx);
|
|
if (defined(x) || defined(y) || defined(w) || defined(h)) {
|
oneTimeWarning(
|
"kml-groundOverlay-xywh",
|
"KML - gx:x, gx:y, gx:w, gx:h aren't supported for GroundOverlays"
|
);
|
}
|
|
geometry.material = href;
|
geometry.material.color = queryColorValue(
|
groundOverlay,
|
"color",
|
namespaces.kml
|
);
|
geometry.material.transparent = true;
|
} else {
|
geometry.material = queryColorValue(groundOverlay, "color", namespaces.kml);
|
}
|
|
var altitudeMode = queryStringValue(
|
groundOverlay,
|
"altitudeMode",
|
namespaces.kml
|
);
|
|
if (defined(altitudeMode)) {
|
if (altitudeMode === "absolute") {
|
//Use height above ellipsoid until we support MSL.
|
geometry.height = queryNumericValue(
|
groundOverlay,
|
"altitude",
|
namespaces.kml
|
);
|
geometry.zIndex = undefined;
|
} else if (altitudeMode !== "clampToGround") {
|
oneTimeWarning(
|
"kml-altitudeMode-unknown",
|
"KML - Unknown altitudeMode: " + altitudeMode
|
);
|
}
|
// else just use the default of 0 until we support 'clampToGround'
|
} else {
|
altitudeMode = queryStringValue(
|
groundOverlay,
|
"altitudeMode",
|
namespaces.gx
|
);
|
if (altitudeMode === "relativeToSeaFloor") {
|
oneTimeWarning(
|
"kml-altitudeMode-relativeToSeaFloor",
|
"KML - altitudeMode relativeToSeaFloor is currently not supported, treating as absolute."
|
);
|
geometry.height = queryNumericValue(
|
groundOverlay,
|
"altitude",
|
namespaces.kml
|
);
|
geometry.zIndex = undefined;
|
} else if (altitudeMode === "clampToSeaFloor") {
|
oneTimeWarning(
|
"kml-altitudeMode-clampToSeaFloor",
|
"KML - altitudeMode clampToSeaFloor is currently not supported, treating as clampToGround."
|
);
|
} else if (defined(altitudeMode)) {
|
oneTimeWarning(
|
"kml-altitudeMode-unknown",
|
"KML - Unknown altitudeMode: " + altitudeMode
|
);
|
}
|
}
|
}
|
|
function processUnsupportedFeature(
|
dataSource,
|
node,
|
processingData,
|
deferredLoading
|
) {
|
dataSource._unsupportedNode.raiseEvent(
|
dataSource,
|
processingData.parentEntity,
|
node,
|
processingData.entityCollection,
|
processingData.styleCollection,
|
processingData.sourceResource,
|
processingData.uriResolver
|
);
|
oneTimeWarning(
|
"kml-unsupportedFeature-" + node.nodeName,
|
"KML - Unsupported feature: " + node.nodeName
|
);
|
}
|
|
var RefreshMode = {
|
INTERVAL: 0,
|
EXPIRE: 1,
|
STOP: 2,
|
};
|
|
function cleanupString(s) {
|
if (!defined(s) || s.length === 0) {
|
return "";
|
}
|
|
var sFirst = s[0];
|
if (sFirst === "&" || sFirst === "?") {
|
s = s.substring(1);
|
}
|
|
return s;
|
}
|
|
var zeroRectangle = new Rectangle();
|
var scratchCartographic = new Cartographic();
|
var scratchCartesian2 = new Cartesian2();
|
var scratchCartesian3 = new Cartesian3();
|
|
function processNetworkLinkQueryString(
|
resource,
|
camera,
|
canvas,
|
viewBoundScale,
|
bbox,
|
ellipsoid
|
) {
|
function fixLatitude(value) {
|
if (value < -CesiumMath.PI_OVER_TWO) {
|
return -CesiumMath.PI_OVER_TWO;
|
} else if (value > CesiumMath.PI_OVER_TWO) {
|
return CesiumMath.PI_OVER_TWO;
|
}
|
return value;
|
}
|
|
function fixLongitude(value) {
|
if (value > CesiumMath.PI) {
|
return value - CesiumMath.TWO_PI;
|
} else if (value < -CesiumMath.PI) {
|
return value + CesiumMath.TWO_PI;
|
}
|
|
return value;
|
}
|
|
var queryString = objectToQuery(resource.queryParameters);
|
|
// objectToQuery escapes [ and ], so fix that
|
queryString = queryString.replace(/%5B/g, "[").replace(/%5D/g, "]");
|
|
if (defined(camera) && camera._mode !== SceneMode.MORPHING) {
|
var centerCartesian;
|
var centerCartographic;
|
|
bbox = defaultValue(bbox, zeroRectangle);
|
if (defined(canvas)) {
|
scratchCartesian2.x = canvas.clientWidth * 0.5;
|
scratchCartesian2.y = canvas.clientHeight * 0.5;
|
centerCartesian = camera.pickEllipsoid(
|
scratchCartesian2,
|
ellipsoid,
|
scratchCartesian3
|
);
|
}
|
|
if (defined(centerCartesian)) {
|
centerCartographic = ellipsoid.cartesianToCartographic(
|
centerCartesian,
|
scratchCartographic
|
);
|
} else {
|
centerCartographic = Rectangle.center(bbox, scratchCartographic);
|
centerCartesian = ellipsoid.cartographicToCartesian(centerCartographic);
|
}
|
|
if (
|
defined(viewBoundScale) &&
|
!CesiumMath.equalsEpsilon(viewBoundScale, 1.0, CesiumMath.EPSILON9)
|
) {
|
var newHalfWidth = bbox.width * viewBoundScale * 0.5;
|
var newHalfHeight = bbox.height * viewBoundScale * 0.5;
|
bbox = new Rectangle(
|
fixLongitude(centerCartographic.longitude - newHalfWidth),
|
fixLatitude(centerCartographic.latitude - newHalfHeight),
|
fixLongitude(centerCartographic.longitude + newHalfWidth),
|
fixLatitude(centerCartographic.latitude + newHalfHeight)
|
);
|
}
|
|
queryString = queryString.replace(
|
"[bboxWest]",
|
CesiumMath.toDegrees(bbox.west).toString()
|
);
|
queryString = queryString.replace(
|
"[bboxSouth]",
|
CesiumMath.toDegrees(bbox.south).toString()
|
);
|
queryString = queryString.replace(
|
"[bboxEast]",
|
CesiumMath.toDegrees(bbox.east).toString()
|
);
|
queryString = queryString.replace(
|
"[bboxNorth]",
|
CesiumMath.toDegrees(bbox.north).toString()
|
);
|
|
var lon = CesiumMath.toDegrees(centerCartographic.longitude).toString();
|
var lat = CesiumMath.toDegrees(centerCartographic.latitude).toString();
|
queryString = queryString.replace("[lookatLon]", lon);
|
queryString = queryString.replace("[lookatLat]", lat);
|
queryString = queryString.replace(
|
"[lookatTilt]",
|
CesiumMath.toDegrees(camera.pitch).toString()
|
);
|
queryString = queryString.replace(
|
"[lookatHeading]",
|
CesiumMath.toDegrees(camera.heading).toString()
|
);
|
queryString = queryString.replace(
|
"[lookatRange]",
|
Cartesian3.distance(camera.positionWC, centerCartesian)
|
);
|
queryString = queryString.replace("[lookatTerrainLon]", lon);
|
queryString = queryString.replace("[lookatTerrainLat]", lat);
|
queryString = queryString.replace(
|
"[lookatTerrainAlt]",
|
centerCartographic.height.toString()
|
);
|
|
ellipsoid.cartesianToCartographic(camera.positionWC, scratchCartographic);
|
queryString = queryString.replace(
|
"[cameraLon]",
|
CesiumMath.toDegrees(scratchCartographic.longitude).toString()
|
);
|
queryString = queryString.replace(
|
"[cameraLat]",
|
CesiumMath.toDegrees(scratchCartographic.latitude).toString()
|
);
|
queryString = queryString.replace(
|
"[cameraAlt]",
|
CesiumMath.toDegrees(scratchCartographic.height).toString()
|
);
|
|
var frustum = camera.frustum;
|
var aspectRatio = frustum.aspectRatio;
|
var horizFov = "";
|
var vertFov = "";
|
if (defined(aspectRatio)) {
|
var fov = CesiumMath.toDegrees(frustum.fov);
|
if (aspectRatio > 1.0) {
|
horizFov = fov;
|
vertFov = fov / aspectRatio;
|
} else {
|
vertFov = fov;
|
horizFov = fov * aspectRatio;
|
}
|
}
|
queryString = queryString.replace("[horizFov]", horizFov.toString());
|
queryString = queryString.replace("[vertFov]", vertFov.toString());
|
} else {
|
queryString = queryString.replace("[bboxWest]", "-180");
|
queryString = queryString.replace("[bboxSouth]", "-90");
|
queryString = queryString.replace("[bboxEast]", "180");
|
queryString = queryString.replace("[bboxNorth]", "90");
|
|
queryString = queryString.replace("[lookatLon]", "");
|
queryString = queryString.replace("[lookatLat]", "");
|
queryString = queryString.replace("[lookatRange]", "");
|
queryString = queryString.replace("[lookatTilt]", "");
|
queryString = queryString.replace("[lookatHeading]", "");
|
queryString = queryString.replace("[lookatTerrainLon]", "");
|
queryString = queryString.replace("[lookatTerrainLat]", "");
|
queryString = queryString.replace("[lookatTerrainAlt]", "");
|
|
queryString = queryString.replace("[cameraLon]", "");
|
queryString = queryString.replace("[cameraLat]", "");
|
queryString = queryString.replace("[cameraAlt]", "");
|
queryString = queryString.replace("[horizFov]", "");
|
queryString = queryString.replace("[vertFov]", "");
|
}
|
|
if (defined(canvas)) {
|
queryString = queryString.replace("[horizPixels]", canvas.clientWidth);
|
queryString = queryString.replace("[vertPixels]", canvas.clientHeight);
|
} else {
|
queryString = queryString.replace("[horizPixels]", "");
|
queryString = queryString.replace("[vertPixels]", "");
|
}
|
|
queryString = queryString.replace("[terrainEnabled]", "1");
|
queryString = queryString.replace("[clientVersion]", "1");
|
queryString = queryString.replace("[kmlVersion]", "2.2");
|
queryString = queryString.replace("[clientName]", "Cesium");
|
queryString = queryString.replace("[language]", "English");
|
|
resource.setQueryParameters(queryToObject(queryString));
|
}
|
|
function processNetworkLink(dataSource, node, processingData, deferredLoading) {
|
var r = processFeature(dataSource, node, processingData);
|
var networkEntity = r.entity;
|
|
var sourceResource = processingData.sourceResource;
|
var uriResolver = processingData.uriResolver;
|
|
var link = queryFirstNode(node, "Link", namespaces.kml);
|
|
if (!defined(link)) {
|
link = queryFirstNode(node, "Url", namespaces.kml);
|
}
|
if (defined(link)) {
|
var href = queryStringValue(link, "href", namespaces.kml);
|
var viewRefreshMode;
|
var viewBoundScale;
|
if (defined(href)) {
|
var newSourceUri = href;
|
href = resolveHref(href, sourceResource, processingData.uriResolver);
|
|
// We need to pass in the original path if resolveHref returns a data uri because the network link
|
// references a document in a KMZ archive
|
if (/^data:/.test(href.getUrlComponent())) {
|
// So if sourceUri isn't the kmz file, then its another kml in the archive, so resolve it
|
if (!/\.kmz/i.test(sourceResource.getUrlComponent())) {
|
newSourceUri = sourceResource.getDerivedResource({
|
url: newSourceUri,
|
});
|
}
|
} else {
|
newSourceUri = href.clone(); // Not a data uri so use the fully qualified uri
|
viewRefreshMode = queryStringValue(
|
link,
|
"viewRefreshMode",
|
namespaces.kml
|
);
|
viewBoundScale = defaultValue(
|
queryStringValue(link, "viewBoundScale", namespaces.kml),
|
1.0
|
);
|
var defaultViewFormat =
|
viewRefreshMode === "onStop"
|
? "BBOX=[bboxWest],[bboxSouth],[bboxEast],[bboxNorth]"
|
: "";
|
var viewFormat = defaultValue(
|
queryStringValue(link, "viewFormat", namespaces.kml),
|
defaultViewFormat
|
);
|
var httpQuery = queryStringValue(link, "httpQuery", namespaces.kml);
|
if (defined(viewFormat)) {
|
href.setQueryParameters(queryToObject(cleanupString(viewFormat)));
|
}
|
if (defined(httpQuery)) {
|
href.setQueryParameters(queryToObject(cleanupString(httpQuery)));
|
}
|
|
var ellipsoid = dataSource._ellipsoid;
|
processNetworkLinkQueryString(
|
href,
|
dataSource._camera,
|
dataSource._canvas,
|
viewBoundScale,
|
dataSource._lastCameraView.bbox,
|
ellipsoid
|
);
|
}
|
|
var options = {
|
sourceUri: newSourceUri,
|
uriResolver: uriResolver,
|
context: networkEntity.id,
|
screenOverlayContainer: processingData.screenOverlayContainer,
|
};
|
var networkLinkCollection = new EntityCollection();
|
var promise = load(dataSource, networkLinkCollection, href, options)
|
.then(function (rootElement) {
|
var entities = dataSource._entityCollection;
|
var newEntities = networkLinkCollection.values;
|
entities.suspendEvents();
|
for (var i = 0; i < newEntities.length; i++) {
|
var newEntity = newEntities[i];
|
if (!defined(newEntity.parent)) {
|
newEntity.parent = networkEntity;
|
mergeAvailabilityWithParent(newEntity);
|
}
|
|
entities.add(newEntity);
|
}
|
entities.resumeEvents();
|
|
// Add network links to a list if we need they will need to be updated
|
var refreshMode = queryStringValue(
|
link,
|
"refreshMode",
|
namespaces.kml
|
);
|
var refreshInterval = defaultValue(
|
queryNumericValue(link, "refreshInterval", namespaces.kml),
|
0
|
);
|
if (
|
(refreshMode === "onInterval" && refreshInterval > 0) ||
|
refreshMode === "onExpire" ||
|
viewRefreshMode === "onStop"
|
) {
|
var networkLinkControl = queryFirstNode(
|
rootElement,
|
"NetworkLinkControl",
|
namespaces.kml
|
);
|
var hasNetworkLinkControl = defined(networkLinkControl);
|
|
var now = JulianDate.now();
|
var networkLinkInfo = {
|
id: createGuid(),
|
href: href,
|
cookie: {},
|
lastUpdated: now,
|
updating: false,
|
entity: networkEntity,
|
viewBoundScale: viewBoundScale,
|
needsUpdate: false,
|
cameraUpdateTime: now,
|
};
|
|
var minRefreshPeriod = 0;
|
if (hasNetworkLinkControl) {
|
networkLinkInfo.cookie = queryToObject(
|
defaultValue(
|
queryStringValue(
|
networkLinkControl,
|
"cookie",
|
namespaces.kml
|
),
|
""
|
)
|
);
|
minRefreshPeriod = defaultValue(
|
queryNumericValue(
|
networkLinkControl,
|
"minRefreshPeriod",
|
namespaces.kml
|
),
|
0
|
);
|
}
|
|
if (refreshMode === "onInterval") {
|
if (hasNetworkLinkControl) {
|
refreshInterval = Math.max(minRefreshPeriod, refreshInterval);
|
}
|
networkLinkInfo.refreshMode = RefreshMode.INTERVAL;
|
networkLinkInfo.time = refreshInterval;
|
} else if (refreshMode === "onExpire") {
|
var expires;
|
if (hasNetworkLinkControl) {
|
expires = queryStringValue(
|
networkLinkControl,
|
"expires",
|
namespaces.kml
|
);
|
}
|
if (defined(expires)) {
|
try {
|
var date = JulianDate.fromIso8601(expires);
|
var diff = JulianDate.secondsDifference(date, now);
|
if (diff > 0 && diff < minRefreshPeriod) {
|
JulianDate.addSeconds(now, minRefreshPeriod, date);
|
}
|
networkLinkInfo.refreshMode = RefreshMode.EXPIRE;
|
networkLinkInfo.time = date;
|
} catch (e) {
|
oneTimeWarning(
|
"kml-refreshMode-onInterval-onExpire",
|
"KML - NetworkLinkControl expires is not a valid date"
|
);
|
}
|
} else {
|
oneTimeWarning(
|
"kml-refreshMode-onExpire",
|
"KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element"
|
);
|
}
|
} else if (dataSource._camera) {
|
// Only allow onStop refreshes if we have a camera
|
networkLinkInfo.refreshMode = RefreshMode.STOP;
|
networkLinkInfo.time = defaultValue(
|
queryNumericValue(link, "viewRefreshTime", namespaces.kml),
|
0
|
);
|
} else {
|
oneTimeWarning(
|
"kml-refrehMode-onStop-noCamera",
|
"A NetworkLink with viewRefreshMode=onStop requires a camera be passed in when creating the KmlDataSource"
|
);
|
}
|
|
if (defined(networkLinkInfo.refreshMode)) {
|
dataSource._networkLinks.set(networkLinkInfo.id, networkLinkInfo);
|
}
|
} else if (viewRefreshMode === "onRegion") {
|
oneTimeWarning(
|
"kml-refrehMode-onRegion",
|
"KML - Unsupported viewRefreshMode: onRegion"
|
);
|
}
|
})
|
.otherwise(function (error) {
|
oneTimeWarning("An error occured during loading " + href.url);
|
dataSource._error.raiseEvent(dataSource, error);
|
});
|
|
deferredLoading.addPromise(promise);
|
}
|
}
|
}
|
|
function processFeatureNode(dataSource, node, processingData, deferredLoading) {
|
var featureProcessor = featureTypes[node.localName];
|
if (defined(featureProcessor)) {
|
return featureProcessor(dataSource, node, processingData, deferredLoading);
|
}
|
|
return processUnsupportedFeature(
|
dataSource,
|
node,
|
processingData,
|
deferredLoading
|
);
|
}
|
|
function loadKml(
|
dataSource,
|
entityCollection,
|
kml,
|
sourceResource,
|
uriResolver,
|
screenOverlayContainer,
|
context
|
) {
|
entityCollection.removeAll();
|
|
var documentElement = kml.documentElement;
|
var document =
|
documentElement.localName === "Document"
|
? documentElement
|
: queryFirstNode(documentElement, "Document", namespaces.kml);
|
var name = queryStringValue(document, "name", namespaces.kml);
|
if (!defined(name)) {
|
name = getFilenameFromUri(sourceResource.getUrlComponent());
|
}
|
|
// Only set the name from the root document
|
if (!defined(dataSource._name)) {
|
dataSource._name = name;
|
}
|
|
var deferredLoading = new KmlDataSource._DeferredLoading(dataSource);
|
var styleCollection = new EntityCollection(dataSource);
|
return when
|
.all(
|
processStyles(
|
dataSource,
|
kml,
|
styleCollection,
|
sourceResource,
|
false,
|
uriResolver
|
)
|
)
|
.then(function () {
|
var element = kml.documentElement;
|
if (element.localName === "kml") {
|
var childNodes = element.childNodes;
|
for (var i = 0; i < childNodes.length; i++) {
|
var tmp = childNodes[i];
|
if (defined(featureTypes[tmp.localName])) {
|
element = tmp;
|
break;
|
}
|
}
|
}
|
|
var processingData = {
|
parentEntity: undefined,
|
entityCollection: entityCollection,
|
styleCollection: styleCollection,
|
sourceResource: sourceResource,
|
uriResolver: uriResolver,
|
context: context,
|
screenOverlayContainer: screenOverlayContainer,
|
};
|
|
entityCollection.suspendEvents();
|
processFeatureNode(dataSource, element, processingData, deferredLoading);
|
entityCollection.resumeEvents();
|
|
return deferredLoading.wait().then(function () {
|
return kml.documentElement;
|
});
|
});
|
}
|
|
function loadKmz(
|
dataSource,
|
entityCollection,
|
blob,
|
sourceResource,
|
screenOverlayContainer
|
) {
|
var zWorkerUrl = buildModuleUrl("ThirdParty/Workers/z-worker-pako.js");
|
zip.configure({
|
workerScripts: {
|
deflate: [zWorkerUrl, "./pako_deflate.min.js"],
|
inflate: [zWorkerUrl, "./pako_inflate.min.js"],
|
},
|
});
|
|
var reader = new zip.ZipReader(new zip.BlobReader(blob));
|
return when(reader.getEntries()).then(function (entries) {
|
var promises = [];
|
var uriResolver = {};
|
var docEntry;
|
for (var i = 0; i < entries.length; i++) {
|
var entry = entries[i];
|
if (!entry.directory) {
|
if (/\.kml$/i.test(entry.filename)) {
|
// We use the first KML document we come across
|
// https://developers.google.com/kml/documentation/kmzarchives
|
// Unless we come across a .kml file at the root of the archive because GE does this
|
if (!defined(docEntry) || !/\//i.test(entry.filename)) {
|
if (defined(docEntry)) {
|
// We found one at the root so load the initial kml as a data uri
|
promises.push(loadDataUriFromZip(docEntry, uriResolver));
|
}
|
docEntry = entry;
|
} else {
|
// Wasn't the first kml and wasn't at the root
|
promises.push(loadDataUriFromZip(entry, uriResolver));
|
}
|
} else {
|
promises.push(loadDataUriFromZip(entry, uriResolver));
|
}
|
}
|
}
|
|
// Now load the root KML document
|
if (defined(docEntry)) {
|
promises.push(loadXmlFromZip(docEntry, uriResolver));
|
}
|
return when.all(promises).then(function () {
|
reader.close();
|
if (!defined(uriResolver.kml)) {
|
throw new RuntimeError("KMZ file does not contain a KML document.");
|
}
|
uriResolver.keys = Object.keys(uriResolver);
|
return loadKml(
|
dataSource,
|
entityCollection,
|
uriResolver.kml,
|
sourceResource,
|
uriResolver,
|
screenOverlayContainer
|
);
|
});
|
});
|
}
|
|
function load(dataSource, entityCollection, data, options) {
|
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
|
var sourceUri = options.sourceUri;
|
var uriResolver = options.uriResolver;
|
var context = options.context;
|
var screenOverlayContainer = options.screenOverlayContainer;
|
|
var promise = data;
|
if (typeof data === "string" || data instanceof Resource) {
|
data = Resource.createIfNeeded(data);
|
promise = data.fetchBlob();
|
sourceUri = defaultValue(sourceUri, data.clone());
|
|
// Add resource credits to our list of credits to display
|
var resourceCredits = dataSource._resourceCredits;
|
var credits = data.credits;
|
if (defined(credits)) {
|
var length = credits.length;
|
for (var i = 0; i < length; i++) {
|
resourceCredits.push(credits[i]);
|
}
|
}
|
} else {
|
sourceUri = defaultValue(sourceUri, Resource.DEFAULT.clone());
|
}
|
|
sourceUri = Resource.createIfNeeded(sourceUri);
|
|
if (defined(screenOverlayContainer)) {
|
screenOverlayContainer = getElement(screenOverlayContainer);
|
}
|
|
return when(promise)
|
.then(function (dataToLoad) {
|
if (dataToLoad instanceof Blob) {
|
return isZipFile(dataToLoad).then(function (isZip) {
|
if (isZip) {
|
return loadKmz(
|
dataSource,
|
entityCollection,
|
dataToLoad,
|
sourceUri,
|
screenOverlayContainer
|
);
|
}
|
return readBlobAsText(dataToLoad).then(function (text) {
|
//There's no official way to validate if a parse was successful.
|
//The following check detects the error on various browsers.
|
|
//Insert missing namespaces
|
text = insertNamespaces(text);
|
|
//Remove Duplicate Namespaces
|
text = removeDuplicateNamespaces(text);
|
|
//IE raises an exception
|
var kml;
|
var error;
|
try {
|
kml = parser.parseFromString(text, "application/xml");
|
} catch (e) {
|
error = e.toString();
|
}
|
|
//The parse succeeds on Chrome and Firefox, but the error
|
//handling is different in each.
|
if (
|
defined(error) ||
|
kml.body ||
|
kml.documentElement.tagName === "parsererror"
|
) {
|
//Firefox has error information as the firstChild nodeValue.
|
var msg = defined(error)
|
? error
|
: kml.documentElement.firstChild.nodeValue;
|
|
//Chrome has it in the body text.
|
if (!msg) {
|
msg = kml.body.innerText;
|
}
|
|
//Return the error
|
throw new RuntimeError(msg);
|
}
|
return loadKml(
|
dataSource,
|
entityCollection,
|
kml,
|
sourceUri,
|
uriResolver,
|
screenOverlayContainer,
|
context
|
);
|
});
|
});
|
}
|
return loadKml(
|
dataSource,
|
entityCollection,
|
dataToLoad,
|
sourceUri,
|
uriResolver,
|
screenOverlayContainer,
|
context
|
);
|
})
|
.otherwise(function (error) {
|
dataSource._error.raiseEvent(dataSource, error);
|
console.log(error);
|
return when.reject(error);
|
});
|
}
|
|
/**
|
* @typedef {Object} KmlDataSource.LoadOptions
|
*
|
* Initialization options for the `load` method.
|
*
|
* @property {Camera} camera The camera that is used for viewRefreshModes and sending camera properties to network links.
|
* @property {HTMLCanvasElement} canvas The canvas that is used for sending viewer properties to network links.
|
* @property {String} [sourceUri] Overrides the url to use for resolving relative links and other KML network features.
|
* @property {Boolean} [clampToGround=false] true if we want the geometry features (Polygons, LineStrings and LinearRings) clamped to the ground.
|
* @property {Ellipsoid} [ellipsoid=Ellipsoid.WGS84] The global ellipsoid used for geographical calculations.
|
* @property {Credit|String} [credit] A credit for the data source, which is displayed on the canvas.
|
* @property {Element|String} [screenOverlayContainer] A container for ScreenOverlay images.
|
*/
|
|
/**
|
* A {@link DataSource} which processes Keyhole Markup Language 2.2 (KML).
|
* <p>
|
* KML support in Cesium is incomplete, but a large amount of the standard,
|
* as well as Google's <code>gx</code> extension namespace, is supported. See Github issue
|
* {@link https://github.com/CesiumGS/cesium/issues/873|#873} for a
|
* detailed list of what is and isn't support. Cesium will also write information to the
|
* console when it encounters most unsupported features.
|
* </p>
|
* <p>
|
* Non visual feature data, such as <code>atom:author</code> and <code>ExtendedData</code>
|
* is exposed via an instance of {@link KmlFeatureData}, which is added to each {@link Entity}
|
* under the <code>kml</code> property.
|
* </p>
|
*
|
* @alias KmlDataSource
|
* @constructor
|
*
|
* @param {Object} options An object with the following properties:
|
* @param {Camera} options.camera The camera that is used for viewRefreshModes and sending camera properties to network links.
|
* @param {HTMLCanvasElement} options.canvas The canvas that is used for sending viewer properties to network links.
|
* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The global ellipsoid used for geographical calculations.
|
* @param {Credit|String} [options.credit] A credit for the data source, which is displayed on the canvas.
|
*
|
* @see {@link http://www.opengeospatial.org/standards/kml/|Open Geospatial Consortium KML Standard}
|
* @see {@link https://developers.google.com/kml/|Google KML Documentation}
|
*
|
* @demo {@link https://sandcastle.cesium.com/index.html?src=KML.html|Cesium Sandcastle KML Demo}
|
*
|
* @example
|
* var viewer = new Cesium.Viewer('cesiumContainer');
|
* viewer.dataSources.add(Cesium.KmlDataSource.load('../../SampleData/facilities.kmz',
|
* {
|
* camera: viewer.scene.camera,
|
* canvas: viewer.scene.canvas
|
* })
|
* );
|
*/
|
function KmlDataSource(options) {
|
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
|
var camera = options.camera;
|
var canvas = options.canvas;
|
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(camera)) {
|
throw new DeveloperError("options.camera is required.");
|
}
|
if (!defined(canvas)) {
|
throw new DeveloperError("options.canvas is required.");
|
}
|
//>>includeEnd('debug');
|
|
this._changed = new Event();
|
this._error = new Event();
|
this._loading = new Event();
|
this._refresh = new Event();
|
this._unsupportedNode = new Event();
|
|
this._clock = undefined;
|
this._entityCollection = new EntityCollection(this);
|
this._name = undefined;
|
this._isLoading = false;
|
this._pinBuilder = new PinBuilder();
|
this._networkLinks = new AssociativeArray();
|
this._entityCluster = new EntityCluster();
|
|
this._canvas = canvas;
|
this._camera = camera;
|
this._lastCameraView = {
|
position: defined(camera) ? Cartesian3.clone(camera.positionWC) : undefined,
|
direction: defined(camera)
|
? Cartesian3.clone(camera.directionWC)
|
: undefined,
|
up: defined(camera) ? Cartesian3.clone(camera.upWC) : undefined,
|
bbox: defined(camera)
|
? camera.computeViewRectangle()
|
: Rectangle.clone(Rectangle.MAX_VALUE),
|
};
|
|
this._ellipsoid = defaultValue(options.ellipsoid, Ellipsoid.WGS84);
|
|
// User specified credit
|
var credit = options.credit;
|
if (typeof credit === "string") {
|
credit = new Credit(credit);
|
}
|
this._credit = credit;
|
|
// Create a list of Credit's from the resource that the user can't remove
|
this._resourceCredits = [];
|
|
this._kmlTours = [];
|
|
this._screenOverlays = [];
|
}
|
|
/**
|
* Creates a Promise to a new instance loaded with the provided KML data.
|
*
|
* @param {Resource|String|Document|Blob} data A url, parsed KML document, or Blob containing binary KMZ data or a parsed KML document.
|
* @param {KmlDataSource.LoadOptions} [options] An object specifying configuration options
|
*
|
* @returns {Promise.<KmlDataSource>} A promise that will resolve to a new KmlDataSource instance once the KML is loaded.
|
*/
|
KmlDataSource.load = function (data, options) {
|
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
|
var dataSource = new KmlDataSource(options);
|
return dataSource.load(data, options);
|
};
|
|
Object.defineProperties(KmlDataSource.prototype, {
|
/**
|
* Gets or sets a human-readable name for this instance.
|
* This will be automatically be set to the KML document name on load.
|
* @memberof KmlDataSource.prototype
|
* @type {String}
|
*/
|
name: {
|
get: function () {
|
return this._name;
|
},
|
set: function (value) {
|
if (this._name !== value) {
|
this._name = value;
|
this._changed.raiseEvent(this);
|
}
|
},
|
},
|
/**
|
* Gets the clock settings defined by the loaded KML. This represents the total
|
* availability interval for all time-dynamic data. If the KML does not contain
|
* time-dynamic data, this value is undefined.
|
* @memberof KmlDataSource.prototype
|
* @type {DataSourceClock}
|
*/
|
clock: {
|
get: function () {
|
return this._clock;
|
},
|
},
|
/**
|
* Gets the collection of {@link Entity} instances.
|
* @memberof KmlDataSource.prototype
|
* @type {EntityCollection}
|
*/
|
entities: {
|
get: function () {
|
return this._entityCollection;
|
},
|
},
|
/**
|
* Gets a value indicating if the data source is currently loading data.
|
* @memberof KmlDataSource.prototype
|
* @type {Boolean}
|
*/
|
isLoading: {
|
get: function () {
|
return this._isLoading;
|
},
|
},
|
/**
|
* Gets an event that will be raised when the underlying data changes.
|
* @memberof KmlDataSource.prototype
|
* @type {Event}
|
*/
|
changedEvent: {
|
get: function () {
|
return this._changed;
|
},
|
},
|
/**
|
* Gets an event that will be raised if an error is encountered during processing.
|
* @memberof KmlDataSource.prototype
|
* @type {Event}
|
*/
|
errorEvent: {
|
get: function () {
|
return this._error;
|
},
|
},
|
/**
|
* Gets an event that will be raised when the data source either starts or stops loading.
|
* @memberof KmlDataSource.prototype
|
* @type {Event}
|
*/
|
loadingEvent: {
|
get: function () {
|
return this._loading;
|
},
|
},
|
/**
|
* Gets an event that will be raised when the data source refreshes a network link.
|
* @memberof KmlDataSource.prototype
|
* @type {Event}
|
*/
|
refreshEvent: {
|
get: function () {
|
return this._refresh;
|
},
|
},
|
/**
|
* Gets an event that will be raised when the data source finds an unsupported node type.
|
* @memberof KmlDataSource.prototype
|
* @type {Event}
|
*/
|
unsupportedNodeEvent: {
|
get: function () {
|
return this._unsupportedNode;
|
},
|
},
|
/**
|
* Gets whether or not this data source should be displayed.
|
* @memberof KmlDataSource.prototype
|
* @type {Boolean}
|
*/
|
show: {
|
get: function () {
|
return this._entityCollection.show;
|
},
|
set: function (value) {
|
this._entityCollection.show = value;
|
},
|
},
|
|
/**
|
* Gets or sets the clustering options for this data source. This object can be shared between multiple data sources.
|
*
|
* @memberof KmlDataSource.prototype
|
* @type {EntityCluster}
|
*/
|
clustering: {
|
get: function () {
|
return this._entityCluster;
|
},
|
set: function (value) {
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(value)) {
|
throw new DeveloperError("value must be defined.");
|
}
|
//>>includeEnd('debug');
|
this._entityCluster = value;
|
},
|
},
|
/**
|
* Gets the credit that will be displayed for the data source
|
* @memberof KmlDataSource.prototype
|
* @type {Credit}
|
*/
|
credit: {
|
get: function () {
|
return this._credit;
|
},
|
},
|
/**
|
* Gets the KML Tours that are used to guide the camera to specified destinations on given time intervals.
|
* @memberof KmlDataSource.prototype
|
* @type {KmlTour[]}
|
*/
|
kmlTours: {
|
get: function () {
|
return this._kmlTours;
|
},
|
},
|
});
|
|
/**
|
* Asynchronously loads the provided KML data, replacing any existing data.
|
*
|
* @param {Resource|String|Document|Blob} data A url, parsed KML document, or Blob containing binary KMZ data or a parsed KML document.
|
* @param {Object} [options] An object with the following properties:
|
* @param {Resource|String} [options.sourceUri] Overrides the url to use for resolving relative links and other KML network features.
|
* @param {Boolean} [options.clampToGround=false] true if we want the geometry features (Polygons, LineStrings and LinearRings) clamped to the ground. If true, lines will use corridors so use Entity.corridor instead of Entity.polyline.
|
* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The global ellipsoid used for geographical calculations.
|
* @param {Element|String} [options.screenOverlayContainer] A container for ScreenOverlay images.
|
*
|
* @returns {Promise.<KmlDataSource>} A promise that will resolve to this instances once the KML is loaded.
|
*/
|
KmlDataSource.prototype.load = function (data, options) {
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(data)) {
|
throw new DeveloperError("data is required.");
|
}
|
//>>includeEnd('debug');
|
|
options = defaultValue(options, defaultValue.EMPTY_OBJECT);
|
DataSource.setLoading(this, true);
|
|
var oldName = this._name;
|
this._name = undefined;
|
this._clampToGround = defaultValue(options.clampToGround, false);
|
|
var that = this;
|
return load(this, this._entityCollection, data, options)
|
.then(function () {
|
var clock;
|
|
var availability = that._entityCollection.computeAvailability();
|
|
var start = availability.start;
|
var stop = availability.stop;
|
var isMinStart = JulianDate.equals(start, Iso8601.MINIMUM_VALUE);
|
var isMaxStop = JulianDate.equals(stop, Iso8601.MAXIMUM_VALUE);
|
if (!isMinStart || !isMaxStop) {
|
var date;
|
|
//If start is min time just start at midnight this morning, local time
|
if (isMinStart) {
|
date = new Date();
|
date.setHours(0, 0, 0, 0);
|
start = JulianDate.fromDate(date);
|
}
|
|
//If stop is max value just stop at midnight tonight, local time
|
if (isMaxStop) {
|
date = new Date();
|
date.setHours(24, 0, 0, 0);
|
stop = JulianDate.fromDate(date);
|
}
|
|
clock = new DataSourceClock();
|
clock.startTime = start;
|
clock.stopTime = stop;
|
clock.currentTime = JulianDate.clone(start);
|
clock.clockRange = ClockRange.LOOP_STOP;
|
clock.clockStep = ClockStep.SYSTEM_CLOCK_MULTIPLIER;
|
clock.multiplier = Math.round(
|
Math.min(
|
Math.max(JulianDate.secondsDifference(stop, start) / 60, 1),
|
3.15569e7
|
)
|
);
|
}
|
|
var changed = false;
|
if (clock !== that._clock) {
|
that._clock = clock;
|
changed = true;
|
}
|
|
if (oldName !== that._name) {
|
changed = true;
|
}
|
|
if (changed) {
|
that._changed.raiseEvent(that);
|
}
|
|
DataSource.setLoading(that, false);
|
|
return that;
|
})
|
.otherwise(function (error) {
|
DataSource.setLoading(that, false);
|
that._error.raiseEvent(that, error);
|
console.log(error);
|
return when.reject(error);
|
});
|
};
|
|
/**
|
* Cleans up any non-entity elements created by the data source. Currently this only affects ScreenOverlay elements.
|
*/
|
KmlDataSource.prototype.destroy = function () {
|
while (this._screenOverlays.length > 0) {
|
var elem = this._screenOverlays.pop();
|
elem.remove();
|
}
|
};
|
|
function mergeAvailabilityWithParent(child) {
|
var parent = child.parent;
|
if (defined(parent)) {
|
var parentAvailability = parent.availability;
|
if (defined(parentAvailability)) {
|
var childAvailability = child.availability;
|
if (defined(childAvailability)) {
|
childAvailability.intersect(parentAvailability);
|
} else {
|
child.availability = parentAvailability;
|
}
|
}
|
}
|
}
|
|
function getNetworkLinkUpdateCallback(
|
dataSource,
|
networkLink,
|
newEntityCollection,
|
networkLinks,
|
processedHref
|
) {
|
return function (rootElement) {
|
if (!networkLinks.contains(networkLink.id)) {
|
// Got into the odd case where a parent network link was updated while a child
|
// network link update was in flight, so just throw it away.
|
return;
|
}
|
var remove = false;
|
var networkLinkControl = queryFirstNode(
|
rootElement,
|
"NetworkLinkControl",
|
namespaces.kml
|
);
|
var hasNetworkLinkControl = defined(networkLinkControl);
|
|
var minRefreshPeriod = 0;
|
if (hasNetworkLinkControl) {
|
if (
|
defined(queryFirstNode(networkLinkControl, "Update", namespaces.kml))
|
) {
|
oneTimeWarning(
|
"kml-networkLinkControl-update",
|
"KML - NetworkLinkControl updates aren't supported."
|
);
|
networkLink.updating = false;
|
networkLinks.remove(networkLink.id);
|
return;
|
}
|
networkLink.cookie = queryToObject(
|
defaultValue(
|
queryStringValue(networkLinkControl, "cookie", namespaces.kml),
|
""
|
)
|
);
|
minRefreshPeriod = defaultValue(
|
queryNumericValue(
|
networkLinkControl,
|
"minRefreshPeriod",
|
namespaces.kml
|
),
|
0
|
);
|
}
|
|
var now = JulianDate.now();
|
var refreshMode = networkLink.refreshMode;
|
if (refreshMode === RefreshMode.INTERVAL) {
|
if (defined(networkLinkControl)) {
|
networkLink.time = Math.max(minRefreshPeriod, networkLink.time);
|
}
|
} else if (refreshMode === RefreshMode.EXPIRE) {
|
var expires;
|
if (defined(networkLinkControl)) {
|
expires = queryStringValue(
|
networkLinkControl,
|
"expires",
|
namespaces.kml
|
);
|
}
|
if (defined(expires)) {
|
try {
|
var date = JulianDate.fromIso8601(expires);
|
var diff = JulianDate.secondsDifference(date, now);
|
if (diff > 0 && diff < minRefreshPeriod) {
|
JulianDate.addSeconds(now, minRefreshPeriod, date);
|
}
|
networkLink.time = date;
|
} catch (e) {
|
oneTimeWarning(
|
"kml-networkLinkControl-expires",
|
"KML - NetworkLinkControl expires is not a valid date"
|
);
|
remove = true;
|
}
|
} else {
|
oneTimeWarning(
|
"kml-refreshMode-onExpire",
|
"KML - refreshMode of onExpire requires the NetworkLinkControl to have an expires element"
|
);
|
remove = true;
|
}
|
}
|
|
var networkLinkEntity = networkLink.entity;
|
var entityCollection = dataSource._entityCollection;
|
var newEntities = newEntityCollection.values;
|
|
function removeChildren(entity) {
|
entityCollection.remove(entity);
|
var children = entity._children;
|
var count = children.length;
|
for (var i = 0; i < count; ++i) {
|
removeChildren(children[i]);
|
}
|
}
|
|
// Remove old entities
|
entityCollection.suspendEvents();
|
var entitiesCopy = entityCollection.values.slice();
|
var i;
|
for (i = 0; i < entitiesCopy.length; ++i) {
|
var entityToRemove = entitiesCopy[i];
|
if (entityToRemove.parent === networkLinkEntity) {
|
entityToRemove.parent = undefined;
|
removeChildren(entityToRemove);
|
}
|
}
|
entityCollection.resumeEvents();
|
|
// Add new entities
|
entityCollection.suspendEvents();
|
for (i = 0; i < newEntities.length; i++) {
|
var newEntity = newEntities[i];
|
if (!defined(newEntity.parent)) {
|
newEntity.parent = networkLinkEntity;
|
mergeAvailabilityWithParent(newEntity);
|
}
|
entityCollection.add(newEntity);
|
}
|
entityCollection.resumeEvents();
|
|
// No refresh information remove it, otherwise update lastUpdate time
|
if (remove) {
|
networkLinks.remove(networkLink.id);
|
} else {
|
networkLink.lastUpdated = now;
|
}
|
|
var availability = entityCollection.computeAvailability();
|
|
var start = availability.start;
|
var stop = availability.stop;
|
var isMinStart = JulianDate.equals(start, Iso8601.MINIMUM_VALUE);
|
var isMaxStop = JulianDate.equals(stop, Iso8601.MAXIMUM_VALUE);
|
if (!isMinStart || !isMaxStop) {
|
var clock = dataSource._clock;
|
|
if (clock.startTime !== start || clock.stopTime !== stop) {
|
clock.startTime = start;
|
clock.stopTime = stop;
|
dataSource._changed.raiseEvent(dataSource);
|
}
|
}
|
|
networkLink.updating = false;
|
networkLink.needsUpdate = false;
|
dataSource._refresh.raiseEvent(
|
dataSource,
|
processedHref.getUrlComponent(true)
|
);
|
};
|
}
|
|
var entitiesToIgnore = new AssociativeArray();
|
|
/**
|
* Updates any NetworkLink that require updating.
|
*
|
* @param {JulianDate} time The simulation time.
|
* @returns {Boolean} True if this data source is ready to be displayed at the provided time, false otherwise.
|
*/
|
KmlDataSource.prototype.update = function (time) {
|
var networkLinks = this._networkLinks;
|
if (networkLinks.length === 0) {
|
return true;
|
}
|
|
var now = JulianDate.now();
|
var that = this;
|
|
entitiesToIgnore.removeAll();
|
|
function recurseIgnoreEntities(entity) {
|
var children = entity._children;
|
var count = children.length;
|
for (var i = 0; i < count; ++i) {
|
var child = children[i];
|
entitiesToIgnore.set(child.id, child);
|
recurseIgnoreEntities(child);
|
}
|
}
|
|
var cameraViewUpdate = false;
|
var lastCameraView = this._lastCameraView;
|
var camera = this._camera;
|
if (
|
defined(camera) &&
|
!(
|
camera.positionWC.equalsEpsilon(
|
lastCameraView.position,
|
CesiumMath.EPSILON7
|
) &&
|
camera.directionWC.equalsEpsilon(
|
lastCameraView.direction,
|
CesiumMath.EPSILON7
|
) &&
|
camera.upWC.equalsEpsilon(lastCameraView.up, CesiumMath.EPSILON7)
|
)
|
) {
|
// Camera has changed so update the last view
|
lastCameraView.position = Cartesian3.clone(camera.positionWC);
|
lastCameraView.direction = Cartesian3.clone(camera.directionWC);
|
lastCameraView.up = Cartesian3.clone(camera.upWC);
|
lastCameraView.bbox = camera.computeViewRectangle();
|
cameraViewUpdate = true;
|
}
|
|
var newNetworkLinks = new AssociativeArray();
|
var changed = false;
|
networkLinks.values.forEach(function (networkLink) {
|
var entity = networkLink.entity;
|
if (entitiesToIgnore.contains(entity.id)) {
|
return;
|
}
|
|
if (!networkLink.updating) {
|
var doUpdate = false;
|
if (networkLink.refreshMode === RefreshMode.INTERVAL) {
|
if (
|
JulianDate.secondsDifference(now, networkLink.lastUpdated) >
|
networkLink.time
|
) {
|
doUpdate = true;
|
}
|
} else if (networkLink.refreshMode === RefreshMode.EXPIRE) {
|
if (JulianDate.greaterThan(now, networkLink.time)) {
|
doUpdate = true;
|
}
|
} else if (networkLink.refreshMode === RefreshMode.STOP) {
|
if (cameraViewUpdate) {
|
networkLink.needsUpdate = true;
|
networkLink.cameraUpdateTime = now;
|
}
|
|
if (
|
networkLink.needsUpdate &&
|
JulianDate.secondsDifference(now, networkLink.cameraUpdateTime) >=
|
networkLink.time
|
) {
|
doUpdate = true;
|
}
|
}
|
|
if (doUpdate) {
|
recurseIgnoreEntities(entity);
|
networkLink.updating = true;
|
var newEntityCollection = new EntityCollection();
|
var href = networkLink.href.clone();
|
|
href.setQueryParameters(networkLink.cookie);
|
var ellipsoid = defaultValue(that._ellipsoid, Ellipsoid.WGS84);
|
processNetworkLinkQueryString(
|
href,
|
that._camera,
|
that._canvas,
|
networkLink.viewBoundScale,
|
lastCameraView.bbox,
|
ellipsoid
|
);
|
|
load(that, newEntityCollection, href, {
|
context: entity.id,
|
})
|
.then(
|
getNetworkLinkUpdateCallback(
|
that,
|
networkLink,
|
newEntityCollection,
|
newNetworkLinks,
|
href
|
)
|
)
|
.otherwise(function (error) {
|
var msg =
|
"NetworkLink " + networkLink.href + " refresh failed: " + error;
|
console.log(msg);
|
that._error.raiseEvent(that, msg);
|
});
|
changed = true;
|
}
|
}
|
newNetworkLinks.set(networkLink.id, networkLink);
|
});
|
|
if (changed) {
|
this._networkLinks = newNetworkLinks;
|
this._changed.raiseEvent(this);
|
}
|
|
return true;
|
};
|
|
/**
|
* Contains KML Feature data loaded into the <code>Entity.kml</code> property by {@link KmlDataSource}.
|
* @alias KmlFeatureData
|
* @constructor
|
*/
|
function KmlFeatureData() {
|
/**
|
* @typedef KmlFeatureData.Author
|
* @type {Object}
|
* @property {String} name Gets the name.
|
* @property {String} uri Gets the URI.
|
* @property {Number} age Gets the email.
|
*/
|
|
/**
|
* Gets the atom syndication format author field.
|
* @type {KmlFeatureData.Author}
|
*/
|
this.author = {
|
name: undefined,
|
uri: undefined,
|
email: undefined,
|
};
|
|
/**
|
* @typedef KmlFeatureData.Link
|
* @type {Object}
|
* @property {String} href Gets the href.
|
* @property {String} hreflang Gets the language of the linked resource.
|
* @property {String} rel Gets the link relation.
|
* @property {String} type Gets the link type.
|
* @property {String} title Gets the link title.
|
* @property {String} length Gets the link length.
|
*/
|
|
/**
|
* Gets the link.
|
* @type {KmlFeatureData.Link}
|
*/
|
this.link = {
|
href: undefined,
|
hreflang: undefined,
|
rel: undefined,
|
type: undefined,
|
title: undefined,
|
length: undefined,
|
};
|
|
/**
|
* Gets the unstructured address field.
|
* @type {String}
|
*/
|
this.address = undefined;
|
/**
|
* Gets the phone number.
|
* @type {String}
|
*/
|
this.phoneNumber = undefined;
|
/**
|
* Gets the snippet.
|
* @type {String}
|
*/
|
this.snippet = undefined;
|
/**
|
* Gets the extended data, parsed into a JSON object.
|
* Currently only the <code>Data</code> property is supported.
|
* <code>SchemaData</code> and custom data are ignored.
|
* @type {String}
|
*/
|
this.extendedData = undefined;
|
}
|
|
// For testing
|
KmlDataSource._DeferredLoading = DeferredLoading;
|
KmlDataSource._getTimestamp = getTimestamp;
|
|
export default KmlDataSource;
|
