private IFeatureClass Create_ContourLine(ITin pTin, string WorkSpaceName, string FileName)
{
int pInterval = 1;
IWorkspaceFactory contourWSF = new ShapefileWorkspaceFactoryClass();
IFeatureWorkspace contourFWS = (IFeatureWorkspace)contourWSF.OpenFromFile(WorkSpaceName, 0);
IFields pFields = CreateShapeFields(esriGeometryType.esriGeometryPolyline);
contourFWS.CreateFeatureClass(FileName, pFields, null, null, esriFeatureType.esriFTSimple, "Shape", null);
IFeatureClass pContourFeatureClass = contourFWS.OpenFeatureClass(FileName);
//生成等高线
ITinSurface pTinSurface = pTin as ITinSurface;
pTinSurface.Contour(0, pInterval, pContourFeatureClass, "Contour", 0);
return(pContourFeatureClass);
}
/// <summary>
/// 通过TIN文件，建立*.shp文件
/// </summary>
/// <param name="TINDir">TIN文件的文件夹路径</param>
private void CreateContourData(string TINDir)
{
try
{
IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();
CopyFolder(Application.StartupPath + "\\Convert\\TemContour", Application.StartupPath + "\\Convert\\ContourResult\\" + this.Random);
IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(Application.StartupPath + "\\Convert\\ContourResult\\" + this.Random, 0);
IWorkspaceEdit w = pWorkspace as IWorkspaceEdit;
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFeatureClass tFeatureClass = pFeatureWorkspace.OpenFeatureClass("Contour.shp");
ITinWorkspace pTinWorkspace;
IWorkspace pWS;
IWorkspaceFactory pWSFact = new TinWorkspaceFactoryClass();
pWS = pWSFact.OpenFromFile(TINDir, 0);
ITin pTin;
pTinWorkspace = pWS as ITinWorkspace;
w.StartEditing(true);
w.StartEditOperation();
if (pTinWorkspace.get_IsTin(this.Random))
{
pTin = pTinWorkspace.OpenTin(this.Random);
ITinSurface pTinSurface = pTin as ITinSurface;
pTinSurface.Contour(0, this.Interval, tFeatureClass, "Z", 0);
w.StopEditOperation();
w.StopEditing(true);
}
}
catch (Exception)
{
}
}