import { ApproximateTerrainHeights } from "../../Source/Cesium.js";
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import { ArcType } from "../../Source/Cesium.js";
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import { Cartesian3 } from "../../Source/Cesium.js";
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import { Color } from "../../Source/Cesium.js";
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import { CoplanarPolygonGeometry } from "../../Source/Cesium.js";
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import { CoplanarPolygonOutlineGeometry } from "../../Source/Cesium.js";
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import { Ellipsoid } from "../../Source/Cesium.js";
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import { JulianDate } from "../../Source/Cesium.js";
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import { Math as CesiumMath } from "../../Source/Cesium.js";
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import { PolygonGeometry } from "../../Source/Cesium.js";
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import { PolygonHierarchy } from "../../Source/Cesium.js";
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import { PolygonOutlineGeometry } from "../../Source/Cesium.js";
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import { TimeIntervalCollection } from "../../Source/Cesium.js";
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import { ConstantProperty } from "../../Source/Cesium.js";
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import { Entity } from "../../Source/Cesium.js";
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import { PolygonGeometryUpdater } from "../../Source/Cesium.js";
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import { PolygonGraphics } from "../../Source/Cesium.js";
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import { PropertyArray } from "../../Source/Cesium.js";
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import { SampledPositionProperty } from "../../Source/Cesium.js";
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import { SampledProperty } from "../../Source/Cesium.js";
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import { GroundPrimitive } from "../../Source/Cesium.js";
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import { HeightReference } from "../../Source/Cesium.js";
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import { PrimitiveCollection } from "../../Source/Cesium.js";
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import createDynamicGeometryUpdaterSpecs from "../createDynamicGeometryUpdaterSpecs.js";
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import createDynamicProperty from "../createDynamicProperty.js";
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import createGeometryUpdaterGroundGeometrySpecs from "../createGeometryUpdaterGroundGeometrySpecs.js";
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import createGeometryUpdaterSpecs from "../createGeometryUpdaterSpecs.js";
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import createScene from "../createScene.js";
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describe(
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"DataSources/PolygonGeometryUpdater",
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function () {
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var scene;
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var time;
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var groundPrimitiveSupported;
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beforeAll(function () {
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scene = createScene();
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time = JulianDate.now();
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groundPrimitiveSupported = GroundPrimitive.isSupported(scene);
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return ApproximateTerrainHeights.initialize();
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});
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afterAll(function () {
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scene.destroyForSpecs();
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ApproximateTerrainHeights._initPromise = undefined;
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ApproximateTerrainHeights._terrainHeights = undefined;
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});
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function createBasicPolygon() {
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var polygon = new PolygonGraphics();
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polygon.hierarchy = new ConstantProperty(
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new PolygonHierarchy(
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Cartesian3.fromRadiansArray([-1, -1, 1, -1, 1, 1, -1, 1])
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)
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);
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polygon.height = new ConstantProperty(0);
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var entity = new Entity();
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entity.polygon = polygon;
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return entity;
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}
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function createVerticalPolygon() {
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var polygon = new PolygonGraphics();
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polygon.hierarchy = new ConstantProperty(
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new PolygonHierarchy(
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Cartesian3.fromDegreesArrayHeights([
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-1.0,
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1.0,
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0.0,
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-2.0,
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1.0,
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0.0,
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-2.0,
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1.0,
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0.0,
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])
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)
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);
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polygon.perPositionHeight = true;
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var entity = new Entity();
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entity.polygon = polygon;
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return entity;
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}
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function createDynamicPolygon() {
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var entity = createBasicPolygon();
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entity.polygon.extrudedHeight = createDynamicProperty(2);
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return entity;
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}
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function createBasicPolygonWithoutHeight() {
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var polygon = new PolygonGraphics();
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polygon.hierarchy = new ConstantProperty(
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new PolygonHierarchy(
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Cartesian3.fromRadiansArray([0, 0, 1, 0, 1, 1, 0, 1])
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)
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);
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var entity = new Entity();
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entity.polygon = polygon;
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return entity;
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}
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function createDynamicPolygonWithoutHeight() {
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var entity = createBasicPolygonWithoutHeight();
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entity.polygon.granularity = createDynamicProperty(1);
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return entity;
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}
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it("Properly computes isClosed", function () {
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var entity = createBasicPolygon();
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entity.polygon.perPositionHeight = true;
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var updater = new PolygonGeometryUpdater(entity, scene);
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expect(updater.isClosed).toBe(false); //open because of perPositionHeights
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entity.polygon.perPositionHeight = false;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isClosed).toBe(true); //close because polygon is on the ground
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entity.polygon.height = 1000;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isClosed).toBe(false); //open because polygon is at a height
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entity.polygon.extrudedHeight = 1000;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isClosed).toBe(false); //open because height === extrudedHeight so it's not extruded
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entity.polygon.extrudedHeight = 100;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isClosed).toBe(true); //closed because polygon is extruded
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entity.polygon.closeTop = false;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isClosed).toBe(false); //open because top cap isn't included
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entity.polygon.closeTop = true;
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entity.polygon.closeBottom = false;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isClosed).toBe(false); //open because bottom cap isn't included
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});
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it("A time-varying positions causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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var point1 = new SampledPositionProperty();
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point1.addSample(time, new Cartesian3());
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var point2 = new SampledPositionProperty();
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point2.addSample(time, new Cartesian3());
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var point3 = new SampledPositionProperty();
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point3.addSample(time, new Cartesian3());
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entity.polygon.hierarchy = new PropertyArray();
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entity.polygon.hierarchy.setValue([point1, point2, point3]);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("A time-varying height causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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entity.polygon.height = new SampledProperty(Number);
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entity.polygon.height.addSample(time, 1);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("A time-varying extrudedHeight causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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entity.polygon.extrudedHeight = new SampledProperty(Number);
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entity.polygon.extrudedHeight.addSample(time, 1);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("A time-varying granularity causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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entity.polygon.granularity = new SampledProperty(Number);
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entity.polygon.granularity.addSample(time, 1);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("A time-varying stRotation causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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entity.polygon.stRotation = new SampledProperty(Number);
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entity.polygon.stRotation.addSample(time, 1);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("A time-varying perPositionHeight causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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entity.polygon.perPositionHeight = new SampledProperty(Number);
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entity.polygon.perPositionHeight.addSample(time, 1);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("A time-varying arcType causes geometry to be dynamic", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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entity.polygon.arcType = new SampledProperty(Number);
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entity.polygon.arcType.addSample(time, 1);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(updater.isDynamic).toBe(true);
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});
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it("Creates geometry with expected properties", function () {
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var options = {
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height: 431,
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extrudedHeight: 123,
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granularity: 0.97,
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stRotation: 12,
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perPositionHeight: false,
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closeTop: true,
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closeBottom: false,
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arcType: ArcType.GEODESIC,
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};
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var entity = createBasicPolygon();
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var polygon = entity.polygon;
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polygon.outline = true;
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polygon.perPositionHeight = new ConstantProperty(
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options.perPositionHeight
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);
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polygon.closeTop = new ConstantProperty(options.closeTop);
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polygon.closeBottom = new ConstantProperty(options.closeBottom);
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polygon.stRotation = new ConstantProperty(options.stRotation);
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polygon.height = new ConstantProperty(options.height);
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polygon.extrudedHeight = new ConstantProperty(options.extrudedHeight);
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polygon.granularity = new ConstantProperty(options.granularity);
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polygon.arcType = new ConstantProperty(options.arcType);
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var updater = new PolygonGeometryUpdater(entity, scene);
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var instance;
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var geometry;
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instance = updater.createFillGeometryInstance(time);
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geometry = instance.geometry;
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expect(geometry).toBeInstanceOf(PolygonGeometry);
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expect(geometry._stRotation).toEqual(options.stRotation);
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expect(geometry._height).toEqual(options.height);
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expect(geometry._granularity).toEqual(options.granularity);
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expect(geometry._extrudedHeight).toEqual(options.extrudedHeight);
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expect(geometry._closeTop).toEqual(options.closeTop);
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expect(geometry._closeBottom).toEqual(options.closeBottom);
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expect(geometry._arcType).toEqual(options.arcType);
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expect(geometry._offsetAttribute).toBeUndefined();
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instance = updater.createOutlineGeometryInstance(time);
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geometry = instance.geometry;
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expect(geometry).toBeInstanceOf(PolygonOutlineGeometry);
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expect(geometry._height).toEqual(options.height);
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expect(geometry._granularity).toEqual(options.granularity);
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expect(geometry._extrudedHeight).toEqual(options.extrudedHeight);
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expect(geometry._perPositionHeight).toEqual(options.perPositionHeight);
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expect(geometry._offsetAttribute).toBeUndefined();
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});
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it("Creates coplanar polygon", function () {
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var stRotation = 12;
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var entity = createVerticalPolygon();
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var polygon = entity.polygon;
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polygon.outline = true;
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polygon.stRotation = new ConstantProperty(stRotation);
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var updater = new PolygonGeometryUpdater(entity, scene);
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var instance;
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var geometry;
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instance = updater.createFillGeometryInstance(time);
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geometry = instance.geometry;
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expect(geometry).toBeInstanceOf(CoplanarPolygonGeometry);
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expect(geometry._stRotation).toEqual(stRotation);
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instance = updater.createOutlineGeometryInstance(time);
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geometry = instance.geometry;
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expect(geometry).toBeInstanceOf(CoplanarPolygonOutlineGeometry);
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});
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it("Checks that a polygon with per position heights isn't on terrain", function () {
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var entity = createBasicPolygon();
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entity.polygon.height = undefined;
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entity.polygon.perPositionHeight = new ConstantProperty(true);
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var updater = new PolygonGeometryUpdater(entity, scene);
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expect(updater.onTerrain).toBe(false);
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});
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it("Checks that a polygon without per position heights is on terrain", function () {
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var entity = createBasicPolygon();
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entity.polygon.height = undefined;
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entity.polygon.perPositionHeight = new ConstantProperty(false);
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var updater = new PolygonGeometryUpdater(entity, scene);
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if (groundPrimitiveSupported) {
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expect(updater.onTerrain).toBe(true);
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} else {
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expect(updater.onTerrain).toBe(false);
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}
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});
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it("Checks that a polygon without per position heights does not use a height reference", function () {
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var entity = createBasicPolygon();
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var graphics = entity.polygon;
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graphics.perPositionHeight = new ConstantProperty(true);
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graphics.outline = true;
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graphics.outlineColor = Color.BLACK;
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graphics.height = undefined;
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graphics.extrudedHeight = undefined;
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var updater = new PolygonGeometryUpdater(entity, scene);
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var instance;
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graphics.heightReference = new ConstantProperty(
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HeightReference.RELATIVE_TO_GROUND
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);
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graphics.extrudedHeightReference = new ConstantProperty(
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HeightReference.RELATIVE_TO_GROUND
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);
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updater._onEntityPropertyChanged(entity, "polygon");
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instance = updater.createFillGeometryInstance(time);
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expect(instance.geometry._offsetAttribute).toBeUndefined();
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instance = updater.createOutlineGeometryInstance(time);
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expect(instance.geometry._offsetAttribute).toBeUndefined();
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});
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it("dynamic updater sets properties", function () {
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var polygon = new PolygonGraphics();
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polygon.hierarchy = createDynamicProperty(
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new PolygonHierarchy(
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Cartesian3.fromRadiansArray([0, 0, 1, 0, 1, 1, 0, 1])
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)
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);
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polygon.height = createDynamicProperty(3);
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polygon.extrudedHeight = createDynamicProperty(2);
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polygon.perPositionHeight = createDynamicProperty(false);
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polygon.granularity = createDynamicProperty(2);
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polygon.stRotation = createDynamicProperty(1);
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polygon.closeTop = createDynamicProperty(false);
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polygon.closeBottom = createDynamicProperty(false);
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polygon.arcType = createDynamicProperty(ArcType.RHUMB);
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var entity = new Entity();
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entity.polygon = polygon;
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var updater = new PolygonGeometryUpdater(entity, scene);
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var dynamicUpdater = updater.createDynamicUpdater(
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new PrimitiveCollection(),
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new PrimitiveCollection()
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);
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dynamicUpdater.update(time);
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var options = dynamicUpdater._options;
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expect(options.id).toEqual(entity);
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expect(options.polygonHierarchy).toEqual(polygon.hierarchy.getValue());
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expect(options.height).toEqual(polygon.height.getValue());
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expect(options.extrudedHeight).toEqual(polygon.extrudedHeight.getValue());
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expect(options.perPositionHeight).toEqual(
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polygon.perPositionHeight.getValue()
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);
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expect(options.granularity).toEqual(polygon.granularity.getValue());
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expect(options.stRotation).toEqual(polygon.stRotation.getValue());
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expect(options.closeTop).toEqual(polygon.closeTop.getValue());
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expect(options.closeBottom).toEqual(polygon.closeBottom.getValue());
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expect(options.arcType).toEqual(polygon.arcType.getValue());
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expect(options.offsetAttribute).toBeUndefined();
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});
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it("geometryChanged event is raised when expected", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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var listener = jasmine.createSpy("listener");
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updater.geometryChanged.addEventListener(listener);
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entity.polygon.hierarchy = new ConstantProperty([]);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(listener.calls.count()).toEqual(1);
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entity.polygon.height = new ConstantProperty(82);
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(listener.calls.count()).toEqual(2);
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entity.availability = new TimeIntervalCollection();
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updater._onEntityPropertyChanged(entity, "availability");
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expect(listener.calls.count()).toEqual(3);
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entity.polygon.hierarchy = undefined;
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updater._onEntityPropertyChanged(entity, "polygon");
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expect(listener.calls.count()).toEqual(4);
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//Since there's no valid geometry, changing another property should not raise the event.
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entity.polygon.height = undefined;
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updater._onEntityPropertyChanged(entity, "polygon");
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//Modifying an unrelated property should not have any effect.
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entity.viewFrom = new ConstantProperty(Cartesian3.UNIT_X);
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updater._onEntityPropertyChanged(entity, "viewFrom");
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expect(listener.calls.count()).toEqual(4);
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});
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it("perPositionHeight is true sets onTerrain to false", function () {
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var entity = createBasicPolygonWithoutHeight();
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entity.polygon.fill = true;
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entity.polygon.perPositionHeight = true;
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var updater = new PolygonGeometryUpdater(entity, scene);
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expect(updater.onTerrain).toBe(false);
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});
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it("computes center", function () {
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var entity = createBasicPolygon();
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var updater = new PolygonGeometryUpdater(entity, scene);
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var result = updater._computeCenter(time);
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result = Ellipsoid.WGS84.scaleToGeodeticSurface(result, result);
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expect(result).toEqualEpsilon(
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Cartesian3.fromDegrees(0.0, 0.0),
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CesiumMath.EPSILON10
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);
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});
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function getScene() {
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return scene;
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}
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createGeometryUpdaterSpecs(
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PolygonGeometryUpdater,
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"polygon",
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createBasicPolygon,
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getScene
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);
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createDynamicGeometryUpdaterSpecs(
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PolygonGeometryUpdater,
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"polygon",
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createDynamicPolygon,
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getScene
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);
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createGeometryUpdaterGroundGeometrySpecs(
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PolygonGeometryUpdater,
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"polygon",
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createBasicPolygonWithoutHeight,
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createDynamicPolygonWithoutHeight,
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getScene
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);
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},
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"WebGL"
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);
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