public static void Test()
{
try
{
// Register
Gdal.AllRegister(); // Only works for reading data but not for creating datasets.
// string strFilePath = @"C:\Users\Administrator\minigis2\data\gdal_data\092b05.tif";
string strFilePath = @"C:\1.bmp";
//String strFormatCode = "GTiff";
//Driver driver=Gdal.GetDriverByName(strFormatCode);
//driver.Register(); // Works for reading and creating datasets.
// Open dataset
Dataset ds = Gdal.Open(strFilePath, Access.GA_ReadOnly);
if (ds != null)
{
// Get Raster Parameters
int xSize = ds.RasterXSize;
int ySize = ds.RasterYSize;
int bands = ds.RasterCount;
string strProjectionRef = ds.GetProjectionRef();
MessageBox.Show("image width=" + xSize + ",height=" + ySize + ", bands=" + bands);
// Get Transform
double[] adfGeoTransform = new double[6];
ds.GetGeoTransform(adfGeoTransform);
double originX = adfGeoTransform[0];
double originY = adfGeoTransform[3];
double pixelWidth = adfGeoTransform[1];
double pixelHeight = adfGeoTransform[5];
// xOffset=int((x-originX)/pixelWidth)
// yOffset=int((y-originY)/pixelHeight)
}
// Get Driver
OSGeo.GDAL.Driver driver = ds.GetDriver();
if (driver != null)
{
string strDescription = driver.GetDescription();
string strLongName = driver.LongName;
string strShortName = driver.ShortName;
}
// Get Raster Band
for (int iBand = 1; iBand <= ds.RasterCount; iBand++)
{
// 1-based
Band band = ds.GetRasterBand(iBand);
string dataType = band.DataType.ToString();
int xSize = band.XSize;
int ySize = band.YSize;
string colorInterp = band.GetRasterColorInterpretation().ToString();
for (int iOver = 0; iOver < band.GetOverviewCount(); iOver++)
{
Band over = band.GetOverview(iOver);
string overDataType = over.DataType.ToString();
int overXSize = over.XSize;
int overYSize = over.YSize;
string overColorInterp = over.GetRasterColorInterpretation().ToString();
}
}
// Processing the raster data
//SaveBitmapBuffered(ds, @"C:\1new.jpg");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}