[gdal-dev] GDALDataset creation from Image subset

[Francois Maass]

Good day list!

I have an image (Tiff or Pix) read into a GDALDataset as well as the
following:
1. The (x,y) coordinates/offset of the top-left corner of a block within the
image,
2. The width and length of the block

I want to create a GDALDataset that only contains this specific block of the
given image.
Simply put, I want to extract a little block or chip from an existing
GDALDataset, and put it into its own GDALDataset.

Can this be done, and how?
Thank you for your time and efforts!

Warm Regards,
Francois Maass
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