[gdal-dev] copy raster data in between file formats - Java

[Etienne Tourigny]

Not sure about the java bindings - but why don't you use the
CreateCopy() function, which will take care of everything for you?

I'd bet the error is because you didn't include the "band_list" parameter.

Etienne

On Tue, Jun 12, 2012 at 8:31 AM, Imran Rajjad <rajjad at gmail.com> wrote:
> Dear List,
>
> Have been trying to write raster from one file format e.g. BMP into a
> tiff file which will eventually become a BIGTiff. The current output
> is a grey image whereas the output should be RGB. The GeoTiFF is not
> accepting bands for some reasons, To write a multiband geoTiff do we
> require to add each band separately or is there something missing in
> the below code snippet?
>
>                gdal.AllRegister();
>                Driver driver = gdal.GetDriverByName("GTiff");
>                Dataset dst = driver.Create("d:\\test.tif", 256, 256,3,gdalconst.GDT_Byte);
>                Dataset src = gdal.Open("d:\\test.bmp");
>
>
>                byte[] outputPixels = new byte[src.GetRasterXSize() *
> src.GetRasterYSize() * src.getRasterCount()*Integer.SIZE];
>                src.ReadRaster(0, 0, src.getRasterXSize(), src.getRasterYSize(),
> src.getRasterXSize(), src.getRasterYSize(), gdalconst.GDT_Byte,
> outputPixels, null, 0);
>                dst.WriteRaster(0, 0, src.getRasterXSize(), src.getRasterYSize(),
> src.getRasterXSize(), src.getRasterYSize(), gdalconst.GDT_Byte,
> outputPixels, null, 0);
>                dst.FlushCache();
>                dst.delete();
>                src.delete();
>
>
> for testing purpose, currently only trying on small 256 x 256 image,
> the gdalinfo of the source image is as :
>
> Files: test.bmp
> Size is 256, 256
> Coordinate System is `'
> Corner Coordinates:
> Upper Left  (    0.0,    0.0)
> Lower Left  (    0.0,  256.0)
> Upper Right (  256.0,    0.0)
> Lower Right (  256.0,  256.0)
> Center      (  128.0,  128.0)
> Band 1 Block=256x1 Type=Byte, ColorInterp=Red
> Band 2 Block=256x1 Type=Byte, ColorInterp=Green
> Band 3 Block=256x1 Type=Byte, ColorInterp=Blue
>
>
>
> regards,
> --
> I.R
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