[Gdal-dev] Gettting Image Resolution

[Ayman Kamal]

Actually what I am looking for is DPI ( Dots Per Inch
)


--- Frank Warmerdam <warmerdam at pobox.com> wrote:
> Ayman Kamal wrote:
> > How can I get the resolution of the image using
> GDAL?
> 
> 
> Hi,
> 
> I assume you are wanting the size of a pixel in
> georeferenced coordinates?
> If so, use the GetGeoTransform() method on the
> GDALDataset. It fills in a
> six parameter double array.  geotransform[1] is
> normally the width of a
> pixel, and geotransform[5] is usually the height of
> a pixel negated.
> If the image is rotated things are more complicated.
> 
> Best regards,
> 
> -- 
>
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> I set the clouds in motion - turn up   | Frank
> Warmerdam, warmerdam at pobox.com
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> 
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