根据文件名生成栅格图层1

最新推荐文章于 2025-06-01 11:03:33 发布

sadasdassadaw

最新推荐文章于 2025-06-01 11:03:33 发布

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分类专栏： AE栅格图层文章标签： c#

本文链接：https://blog.youkuaiyun.com/sadasdassadaw/article/details/121554164

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        /// <summary>
        /// 根据文件名，获取栅格数据集
        /// </summary>
        /// <param name="pFilePath"></param>
        /// <returns></returns>
        static private IRasterDataset GetRasterDataset(string pFilePath)
        {
            //  获取栅格工厂
            IWorkspaceFactory pFactory = new RasterWorkspaceFactoryClass();
            
            //  获取路径
            string pDir = System.IO.Path.GetDirectoryName(pFilePath);

            //  工作空间
            IWorkspace pSpace = pFactory.OpenFromFile(pDir, 0);

            //  QI 至 IRasterWorkspace
            IRasterWorkspace pRasterSpace = pSpace as IRasterWorkspace;

            //  获取文件名
            string name = System.IO.Path.GetFileName(pFilePath);
            IRasterDataset pDataset = pRasterSpace.OpenRasterDataset(name);

            return pDataset;

        }

        /// <summary>
        /// 根据栅格数据集获取获取栅格图层
        /// </summary>
        /// <param name="pDataSet"></param>
        /// <param name="pFilePath"></param>
        /// <returns></returns>
        static private IRasterLayer GetRasterLayer(IRasterDataset pDataSet, string pFilePath)
        {
            //  创建栅格图层
            IRasterLayer pLayer = new RasterLayerClass();
            pLayer.CreateFromDataset(pDataSet);

            string name = System.IO.Path.GetFileName(pFilePath);
            pLayer.Name = name;

            return pLayer;

        }

        /// <summary>
        /// 根据文件名获取栅格图层
        /// </summary>
        /// <param name="pFilePath"></param>
        /// <returns></returns>
        static public IRasterLayer GetRasterLayerFromFile(string pFilePath)
        {
            IRasterDataset pDataSet = GetRasterDataset(pFilePath);
            IRasterLayer pLayer = GetRasterLayer(pDataSet, pFilePath);
            return pLayer;

        }