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