Jason Roberts wrote:
band.GetMetadata()
{'LAYER_TYPE': 'athematic', 'STATISTICS_MAXIMUM': '126',
'STATISTICS_MINIMUM': '-127', 'STATISTICS_STDDEV': '109.55249883047',
'STATISTICS_HISTOBINVALUES': '3|3|', 'STATISTICS_MEAN': '-0.33333333333333',
'STATISTICS_MODE': '6.2891288834462e-247', 'STATISTICS_MEDIAN':
'6.2896744699688e-247'}
As you can see, there is no PIXELTYPE metadata entry for the band. Is that
entry only created when GDAL creates the file? In any case, it is possible
to detect that the true values fit in the int8 range, not the uint8 range:
Jason,
The PIXELTYPE metadata is in the IMAGE_STRUCTURE domain, so you need to
fetch it like:
md = band.GetMetadata('IMAGE_STRUCTURE')
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, [email protected]
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent
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