Hi Radim
Nodata should be rendered transparent in most cases. But it could also
be possible you want to render it differently. E.g. the interpolation
plugin writes nodata value in case it encounters numerical problems.
Then it is useful to have the nodata values coloured to see where
problems happened. Maybe there are other use cases as well.
Regards,
Marco
Am 22.08.2012 17:49, schrieb Radim Blazek:
Hi,
does anybody know why raster no data value is automatically added to
transparency list in properties dialog? It makes no sense IMO. No data
values are always rendered as transparent, no need to define them also
in transparent list.
Radim
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Dr. Marco Hugentobler
Sourcepole - Linux & Open Source Solutions
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Technical Advisor QGIS Project Steering Committee
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