DrawWallPrimitiveFun() {
import("./data/WallPrimitiveData.json").then((res) => {
let primitiveCollection = new Cesium.PrimitiveCollection();
let wallInstance = new Cesium.GeometryInstance({
geometry: new Cesium.WallGeometry({
positions: Cesium.Cartesian3.fromDegreesArrayHeights(res.Data),
}),
});
let wallAppearance = new Cesium.MaterialAppearance({
// material: Cesium.Material.fromType("Checkerboard", {
// repeat: new Cesium.Cartesian2(20.0, 20.0),
// }),
material: new Cesium.