雷达扫描

扫描需要额外调用接口，需要引用插件 ScanningEffectMaterialProperty.js

<script src="SDK/Plugins/ScanningEffectMaterialProperty.js"></script>

雷达扫描

/**
        * 雷达扫描
        * 插件ScanningEffectMaterialProperty.js
        * @param color:雷达扫描颜色
        */
function computeGeometryPos(center, radius, fromA, toA, length) {
    var res = [];
    var interval = (toA - fromA) * Math.PI / 180 / length;
    var startA = fromA * Math.PI / 180;

    var mm = LSGlobe.Transforms.eastNorthUpToFixedFrame(center);
    var startPos = new LSGlobe.Cartesian3();
    for (var i = 0; i < length; i++) {
        var a = startA + interval * i;
        var p = new LSGlobe.Cartesian3(Math.sin(a) * radius, Math.cos(a) * radius, 0.);
        res.push(LSGlobe.Matrix4.multiplyByPoint(mm, p, new LSGlobe.Cartesian3));
        if (i === 0) {
            startPos = LSGlobe.Matrix4.multiplyByPoint(mm, p, new LSGlobe.Cartesian3);
        }
    }
    res.push(startPos);

    return res;
}
var center = new LSGlobe.Cartesian3.fromRadians(2.1208980215153845, 0.5450726579947579, 0);
var radius = 150.
var fromA = 270;
var toA = -90;
var res = computeGeometryPos(center, radius, fromA, toA, 360);
var polygon = new LSGlobe.PolygonGeometry({
    polygonHierarchy: new LSGlobe.PolygonHierarchy(res)
});

var instance = new LSGlobe.GeometryInstance({
    geometry: polygon,
    id: 'id'
});

var primitive = new LSGlobe.GroundPrimitive({
    geometryInstances: [instance],
    appearance: new LSGlobe.EllipsoidSurfaceAppearance({
        material: LSGlobe.Material.fromType(LSGlobe.Material.RadarScanDynamicType, {
            color: LSGlobe.Color.YELLOW
        })
    })
});
viewer.scene.primitives.add(primitive);

在线示例

在线示例