/// <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>
/// 构造函数
/// </summary>
/// <param name="_graphcisLayer">图层</param>
/// <param name="modelKml">模型kml</param>
public Model3d_ArcGlobe(IGlobeGraphicsLayer _graphicLayer, KmlModel3d modelKml, IImport3DFile import3Dfile)
{
graphicLayer = _graphicLayer;
this.ElementType = ElementTypeEnum.Model3D; // 图元类型
this.Description = modelKml.Description; // 图元描述
#region 符号
IGeometry geometry = import3Dfile.Geometry;
//将模型转为3D符号
marker3DSymbol = new Marker3DSymbolClass();
marker3DSymbol.Shape = geometry;
markerSymbol = marker3DSymbol as IMarkerSymbol;
markerSymbol.Size = modelKml.Scale;
markerSymbol.Angle = modelKml.Azimuth;
IRgbColor c = new RgbColorClass();
c.Transparency = modelKml.Color.A;
c.Red = modelKml.Color.R;
c.Green = modelKml.Color.G;
c.Blue = modelKml.Color.B;
markerSymbol.Color = c;
this.scale = modelKml.Scale;
this.color = modelKml.Color;
#endregion
#region 位置
IPoint p = new PointClass();
p.PutCoords(modelKml.Position.Lng, modelKml.Position.Lat);
p.Z = modelKml.Position.Alt;
(p as IZAware).ZAware = true;
#endregion
lngLat = modelKml.Position;
base.Geometry = p; //指定位置
base.Symbol = markerSymbol; //指定符号
flashTimer = new Timer();
flashTimer.Elapsed += new ElapsedEventHandler(flashTimer_Elapsed);
flashTimer.Interval = 500;
}
