using ESRI.ArcGIS.esriSystem;

using ESRI.ArcGIS.Controls;

using ESRI.ArcGIS.SystemUI;

using ESRI.ArcGIS.Carto;

using ESRI.ArcGIS.Geodatabase;

using ESRI.ArcGIS.DataSourcesGDB;

using ESRI.ArcGIS.Geometry;

using ESRI.ArcGIS.DataSourcesRaster;

using ESRI.ArcGIS.SpatialAnalyst;

using ESRI.ArcGIS.GeoAnalyst;

public class ArcGISRaster

    {

        //ArcGIS影像操作

        /// <summary>

        /// 影像切割,参考http://bbs.esrichina-bj.cn/ESRI/viewthread.php?tid=28659&extra=&page=1修改

        /// </summary>

        /// <param name="pRasterLayer">//要裁切的影像图层</param>

        /// <param name="FileName">文件名为.img</param>

        public static void RasterClip(IRasterLayer pRasterLayer, IPolygon clipGeo, string FileName)

        {

            IRaster pRaster = pRasterLayer.Raster;

            IRasterProps pProps = pRaster as IRasterProps;

            object cellSizeProvider = pProps.MeanCellSize().X;

            IGeoDataset pInputDataset = pRaster as IGeoDataset;

            IExtractionOp pExtractionOp = new RasterExtractionOpClass();

            IRasterAnalysisEnvironment pRasterAnaEnvir = pExtractionOp as IRasterAnalysisEnvironment;

            pRasterAnaEnvir.SetCellSize(esriRasterEnvSettingEnum.esriRasterEnvValue, ref cellSizeProvider);