/// <summary>
/// 创建图元
/// </summary>
/// <param name="kml">模型的kml</param>
/// <param name="layer">模型所在的图层</param>
/// <returns></returns>
public IMFElement CreateElement(Kml kml, ILayer layer)
{
KmlModel3d modelkml = kml.Placemark.Graph as KmlModel3d;
if (modelkml == null)
{
return(null);
}
if (modelkml.Position == null)
{
return(null);
}
if (!File.Exists(modelkml.ModelFilePath))
{
return(null);
}
int index = -1;
//图层
IGlobeGraphicsLayer graphicLayer = layer as IGlobeGraphicsLayer;
if (graphicLayer == null)
{
return(null);
}
//实例化图元
Model3d_ArcGlobe modelElement = null;
//添加图元
this.Dosomething((Action) delegate()
{
IImport3DFile import3Dfile = null;
if (!filePathDic.ContainsKey(modelkml.ModelFilePath))
{
import3Dfile = new Import3DFileClass();
import3Dfile.CreateFromFile(modelkml.ModelFilePath);
filePathDic.Add(modelkml.ModelFilePath, import3Dfile);
}
else//模型已创建
{
import3Dfile = filePathDic[modelkml.ModelFilePath];
}
modelElement = new Model3d_ArcGlobe(graphicLayer, modelkml, import3Dfile);
//设置属性
GlobeGraphicsElementPropertiesClass properties = new GlobeGraphicsElementPropertiesClass();
properties.Rasterize = modelkml.Rasterize;
graphicLayer.AddElement(modelElement, properties, out index);
modelElement.Index = index;
modelElement.ElementName = kml.Placemark.Name;
}, true);
return(modelElement);
}
/// <summary>
/// 删除图元
/// </summary>
/// <param name="element">图元对象</param>
/// <param name="layer">图元所在的图层</param>
/// <returns></returns>
public bool RemoveElement(IMFElement element, ILayer layer)
{
Model3d_ArcGlobe modelElement = element as Model3d_ArcGlobe;
IGraphicsContainer graphicsContainer = layer as IGraphicsContainer;
this.Dosomething((Action) delegate()
{
graphicsContainer.DeleteElement(modelElement);
}, true);
return(true);
}
