private static ModelVisual3D BuildRoad(IFeature feature, double width)
{
var curve = new PointString(feature.GeoData);
var mesh = MeshHelper.Road(new PointString(feature.GeoData), width);
var material = BlockScene.GetRoadMaterial(feature);
var model = new GeometryModel3D(mesh, material)
{
BackMaterial = material
};
return(new ModelVisual3D {
Content = model
});
}
public CityScene(HelixViewport3D viewport, Map map)
{
Viewport = viewport;
this.Map = map;
this.Models = new Dictionary <string, List <ModelVisual3D> >();
this.MaterialBuilders = new Dictionary <string, Func <IFeature, Material> >();
this.GeometryBuilders = new Dictionary <string, Func <IFeature, MeshGeometry3D> >();
this.MaterialBuilders["地块"] = f => FillHelper.Simple(Colors.White, 1);
this.MaterialBuilders["建筑"] = f => FillHelper.Simple(Colors.White, 0.8);
this.MaterialBuilders["道路"] = f => FillHelper.Simple(Colors.Orange, 1);
this.GeometryBuilders["地块"] = f => MeshHelper.Polygon(CityScene.GetPolyline(f));
this.GeometryBuilders["建筑"] = f => MeshHelper.Block(CityScene.GetPolyline(f), f["高度"].TryParseToDouble(10));
this.GeometryBuilders["道路"] = f => MeshHelper.Road(CityScene.GetPolyline(f), f["宽度"].TryParseToDouble(21));
}
