ArcGIS Engine 10 开发手册(8-21) Tin表面分析-创建Tin

     创建Tin

private void 创建TinToolStripMenuItem_Click (object sender, EventArgs e)

{

  IFeatureClass pFeatureClass = GetFeatureClass (@"E:\arcgis\Engine\IDW数据", "ft东20100321");

  IField pField = pFeatureClass.Fields.get_Field (pFeatureClass.FindField ("H"));

  ITin pTin = CreateTin (pFeatureClass, pField, @"E:\arcgis\Engine\IDW数据\TinTest");

  ITinLayer pTinLayer = new TinLayerClass ();

  pTinLayer.Dataset = pTin;

  axMapControl1.Map.AddLayer (pTinLayer as ILayer);

}

/// <summary>

/// 创建Tin

/// </summary>

/// <param name="pFeatureClass"></param>

/// <param name="pField"></param>

/// <param name="pPath"></param>

/// <returns></returns>

public ITin CreateTin (IFeatureClass pFeatureClass, IField pField, string pPath) {

  IGeoDataset pGeoDataset = pFeatureClass as IGeoDataset;

  ITinEdit pTinEdit = new TinClass ();

  pTinEdit.InitNew (pGeoDataset.Extent);

  object pObj = Type.Missing;

  pTinEdit.AddFromFeatureClass (pFeatureClass, null, pField, null, esriTinSurfaceType.esriTinMassPoint, ref pObj);

  pTinEdit.SaveAs (pPath, ref pObj);

  pTinEdit.Refresh ();

  return pTinEdit as ITin;

}

    运行结果