Stefan Schantz wrote:
Hello list,
I have the following problem with UMNMapserver 5.2:
I have interpolated some data with gdal_grid. As the result I got a tiff
file with one band.
In the next step i classified the raster image in UMN Mapserver like this:
(..)
CLASS
NAME "<= 12 h"
EXPRESSION ([pixel]> 9 AND [pixel] <= 12)
STYLE
COLOR 65 182 196
END
END
(..)
so far so good
But if i view the image in a client like QGIS, the classification
(colors) is changing depending on the chosen section (see appendix).
What is my mistake?
Stefan,
I don't see an appendix.
Often when the results change depending on the view area it is one of two
things:
1) A pseudo-coloured product is being produced, and the color table is being
populated differently depending on the features and/or imagery inview.
2) autoscaling is being applied to raster data and the scaling range changes
depending on what imagery is in view.
I don't have enough context of your situation to know which is more likely or
even if it might be something else. Seeing more of the mapfile might help
and/or public access to the WMS instance with a could example urls
demonstrating the differences.
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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