摘要：（3）ISurfaceOp.ContourList 根据一系列高程点生成等高线图层： private void button1_Click(object sender, EventArgs e) { //得到Raster ILayer tLayer = this.axMapControl1.get_Layer(0); IRasterLayer tRasterLayer = (IRasterLayer)tLayer; //定义高程点数组 double[] tDouble = new double[] { 100, 120, 150, 200 }; IFeatureClass tFeatureC. 阅读全文

摘要：（1）ISurfaceOp.Contour 根据DEM生成等高线图层： private void button1_Click(object sender, EventArgs e) { //得到Raster ILayer tLayer=this.axMapControl1.get_Layer(0); IRasterLayer tRasterLayer=(IRasterLayer)tLayer; IFeatureClass tFeatureClass=null; IGeoDataset tGeodataset=null; //使用接口 参数（Raster，等高线间距,基值) ISurfaceOp 阅读全文