/// <summary>
/// 打开adf文件格式栅格数据
/// </summary>
/// <param name="rasterPath"></param>
/// <param name="fileName"></param>
public static void OpenRasterLayer(string rasterPath, string fileName)
{
IWorkspaceFactory workspaceFactory = new RasterWorkspaceFactory();
IWorkspace SWorkspace = workspaceFactory.OpenFromFile(rasterPath, 0);
IRasterWorkspace rasterWorkspace = SWorkspace as IRasterWorkspace;
IRasterDataset pRasterDataset = (IRasterDataset)rasterWorkspace.OpenRasterDataset(fileName);
IRasterLayer pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromDataset(pRasterDataset);
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRampClass()
{
FromColor = new RgbColorClass()
{
Red = 197, Green = 68, Blue = 56
},
ToColor = new RgbColorClass()
{
Red = 80, Green = 110, Blue = 207
},
Size = 100
};//Red = 80, Green = 110, Blue = 207
IMultiPartColorRamp multiPartColorRamp = new MultiPartColorRampClass();
multiPartColorRamp.set_Ramp(0, colorRamp);
bool outCreate = false;
colorRamp.CreateRamp(out outCreate);
//设置渲染参数
IRasterStretchColorRampRenderer rasterStretchColorRampRenderer = new RasterStretchColorRampRendererClass();
IRasterRenderer rasterRenderer = rasterStretchColorRampRenderer as IRasterRenderer;
rasterRenderer.Raster = pRasterLayer.Raster;
rasterRenderer.Update();
rasterStretchColorRampRenderer.BandIndex = 0;
rasterStretchColorRampRenderer.ColorRamp = multiPartColorRamp as IColorRamp;
rasterRenderer.Update();
pRasterLayer.Renderer = rasterRenderer;
MainFrom.m_mapControl.AddLayer(pRasterLayer);
}
