SceneView m_sceneView;
public void LoadSceneLayerFromSLPK(SceneView sceneView, string slpkPath)
{
if (!File.Exists(slpkPath))
throw new Exception("文件不存在");
if (null == sceneView.Scene)
CreateScene(sceneView);
Uri treespk = new System.Uri(slpkPath);
var sceneLayer = new ArcGISSceneLayer();
// add the scene layer to the scene
sceneLayer.Source = treespk;
sceneLayer.Name = "三维";
sceneLayer.Loaded += SceneLayer_Loaded;
sceneLayer.SurfacePlacement = SurfacePlacement.Relative;
sceneView.Scene.OperationalLayers.Add(sceneLayer);//添加三维图层
}
public async void CreateScene(SceneView sceneView)
{
m_sceneView = sceneView;
// Create new Scene
Scene myScene = new Scene();
// Set Scene's base map property
myScene.Basemap = Basemap.CreateImagery();
myScene.Basemap.BaseLayers[0].Name = "影像";
sceneView.Scene = myScene;
}
private void SceneLayer_Loaded(object sender, EventArgs e)
{
var arcGISSceneLayer = sender as ArcGISSceneLayer;
if (null == arcGISSceneLayer)
return;
var fullExtent = arcGISSceneLayer.FullExtent;
if (null == fullExtent)
return;
var center = fullExtent.GetCenter();
var camera = new Camera(center.Y, center.X, 500, 60, 0, 71.17);
m_sceneView.SetViewpointCameraAsync(camera);
}
这时候,图层已经能加载进来,但是是飘在空中的。这是因为没有设置对应的高程表面,导致高程的偏移。需要添加一个高程表面,我使用的是dem作为高程表面,也可以使用高程服务。
public async void CreateScene(SceneView sceneView)
{
m_sceneView = sceneView;
// Create new Scene
Scene myScene = new Scene();
// Set Scene's base map property
myScene.Basemap = Basemap.CreateImagery();
myScene.Basemap.BaseLayers[0].Name = "影像";
sceneView.Scene = myScene;
var el = new RasterElevationSource(new string[] { @"DEM.tif" });
el.Name = "elevation";
await el.LoadAsync();
var su = new Surface();
su.ElevationSources.Add(el);
sceneView.Scene.BaseSurface = su;
}
标签:slpk,Scene,Maps,sceneLayer,myScene,var,new,sceneView,SDK
From: https://www.cnblogs.com/GISyunqi/p/18143491