Le mardi 12 juin 2012 13:31:44, Imran Rajjad a écrit :
> 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();
>
I've just tested the above snippet with a 256x256 image and it works as
expected. Not sure why you have a problem. Do you use a recent GDAL version,
let's say 1.9 ?
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