GDAL中文件的驱动及对应的文件格式（转） https://blog.csdn.net/haojknm/article/details/5851968

GDALDriver * poDriver;
char *pszFormat=GetOutimgInfo(m_strInput);
poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
char* GetOutimgInfo(CString& Outimg)
{
    // GDAL 内部对各种格式自定义的表示符
    char *pszFileSName[]={
        "VRT",//: Virtual Raster
            "GTiff",//: GeoTIFF
            "NITF",//: National Imagery Transmission Format
            "HFA",//: Erdas Imagine Images (.img)
            "ELAS",//: ELAS
            "AAIGrid",//: Arc/Info ASCII Grid
            "DTED",//: DTED Elevation Raster
            "PNG",//: Portable Network Graphics
            "JPEG",//: JPEG JFIF
            "MEM",//: In Memory Raster
            "GIF",//: Graphics Interchange Format (.gif)
            "BSB",//: Maptech BSB Nautical Charts
            "XPM",//: X11 PixMap Format
            "BMP",//: MS Windows Device Independent Bitmap
            "PCIDSK",//: PCIDSK Database File
            "HDF4Image",//: HDF4 Dataset
            "PNM",//: Portable Pixmap Format (netpbm)
            "ENVI",//: ENVI .hdr Labelled
            "EHdr",//: ESRI .hdr Labelled
            "PAux",//: PCI .aux Labelled
            "MFF",//: Atlantis MFF Raster
            "MFF2",//: Atlantis MFF2 (HKV) Raster
            "BT",//: VTP .bt (Binary Terrain) 1.3 Format
            "FIT",//: FIT Image
            "OTHER"};  

        ///// 各种文件格式的后缀
        char * pszFileExt[]={
            ".vrt",//: Virtual Raster
                ".tif",//: GeoTIFF
                "????",//: National Imagery Transmission Format
                ".img",//: Erdas Imagine Images (.img)
                "????",//: ELAS
                "????",//: Arc/Info ASCII Grid
                "????",//: DTED Elevation Raster
                ".png",//: Portable Network Graphics
                ".jpg",//: JPEG JFIF
                "????",//: In Memory Raster
                ".gif",//: Graphics Interchange Format (.gif)
                "????",//: Maptech BSB Nautical Charts
                "????",//: X11 PixMap Format
                ".bmp",//: MS Windows Device Independent Bitmap
                "????",//: PCIDSK Database File
                ".hdf",//: HDF4 Dataset
                "????",//: Portable Pixmap Format (netpbm)
                ".hdr",//: ENVI .hdr Labelled
                "????",//: ESRI .hdr Labelled
                ".pix",//: PCI .aux Labelled
                "????",//: Atlantis MFF Raster
                "????",//: Atlantis MFF2 (HKV) Raster
                "????",//: VTP .bt (Binary Terrain) 1.3 Format
                "????",//: FIT Image
                ".other"};  

            /// 得到字符串的最后四个字符
            CString OutFilename = Outimg;
            OutFilename.TrimRight();
            CString pszExt = OutFilename.Right(4);  

            char *pszFormat = "GTiff";
            int loop=0;
            while(strcmp(pszFileSName[loop],"OTHER") != 0)
            {
                if(pszExt.CompareNoCase(pszFileExt[loop]) == 0)
                {
                    pszFormat = pszFileSName[loop];
                    break;//
                }
                loop++;
            }
            return pszFormat;
}