ArcGIS AddIn 批量设置栅格图层背景色为透明

  protected override void OnClick()
         {
             //
             //  TODO: Sample code showing how to access button host
             //
             ArcMap.Application.CurrentTool = null;

             IMap pMap = ArcMap.Document.FocusMap;
             for (int i = ; i < pMap.LayerCount; i++)
             {
                 ILayer pLayer = pMap.get_Layer(i);
                 if (pLayer is IRasterLayer)
                 {
                     IRasterLayer pRstLyr = pLayer as IRasterLayer;
                     IRasterStretchColorRampRenderer pRasterStretchColorRampRenderer;
                     IRasterStretch2 prstStretch= pRstLyr.Renderer as IRasterStretch2;
                     // Setup the stretch
                     prstStretch.Background = true;
                     // Apply the renderer
                     pRstLyr.Renderer = (IRasterRenderer)prstStretch;
                     // Collapse the legends on each raster
                     ILegendInfo legendInfo = (ILegendInfo)pRstLyr.Renderer;
                     ILegendGroup legendGroup = (ILegendGroup)legendInfo.get_LegendGroup();
                     legendGroup.Visible = false;
                 }
             }
         }

核心实现代码如上

上述代码实现了对TOC中所有栅格图层批量设置其背景色为透明,可以避免在工作中加载大量分幅图时,部分分幅图背景显示为黑色导致的黑边问题.

相当于批量将TOC中所有栅格图层勾选了 Display background Value as 选项.

上述代码只是简单实现了功能,没有考虑图层组的情况,如果图层放入图层组中,会检索不到,从而不对图层组中的图层做任何处理

编译插件文件下载地址: 链接: https://pan.baidu.com/s/1GUBJRe_dLV7657ozgTqVhw 密码: djq2