import { Iau2000Orientation } from "../../Source/Cesium.js";
|
import { IauOrientationAxes } from "../../Source/Cesium.js";
|
import { JulianDate } from "../../Source/Cesium.js";
|
import { Math as CesiumMath } from "../../Source/Cesium.js";
|
import { Matrix3 } from "../../Source/Cesium.js";
|
import { TimeStandard } from "../../Source/Cesium.js";
|
|
describe("Core/IauOrientationAxes", function () {
|
it("compute ICRF to Moon Fixed", function () {
|
var date = new JulianDate(2451545.0, -32.184, TimeStandard.TAI);
|
var axes = new IauOrientationAxes(Iau2000Orientation.ComputeMoon);
|
|
// expected results taken from STK Components:
|
// EvaluatorGroup group = new EvaluatorGroup();
|
// IauOrientationAxes axes = new IauOrientationAxes(Iau2000Orientation.ComputeMoon);
|
// AxesEvaluator eval1 = axes.GetEvaluator(group);
|
// UnitQuaternion q = eval1.Evaluate(TimeConstants.J2000);
|
// Matrix3By3 expectedMatrix = new Matrix3By3(q);
|
var expectedMatrix = new Matrix3(
|
0.784227052091917,
|
0.55784711246016394,
|
0.27165148607559436,
|
-0.62006191525085563,
|
0.7205566654668133,
|
0.31035675134719942,
|
-0.022608671404182448,
|
-0.41183090094261243,
|
0.91097977859342938
|
);
|
|
var mtx = axes.evaluate(date);
|
expect(mtx).toEqualEpsilon(expectedMatrix, CesiumMath.EPSILON13);
|
});
|
});
|
