[MapServer-users] Is there a way to make OPACITY depends of SCALE?

[Carlos Neves (LREC)]

Hi List,

Is there a way to change OPACITY by scale? The goal is to show 
Orthophotomaps under risk areas.

LAYER # Rock Fall Risk Model
     NAME         "rockfall"
         COMPOSITE
                 OPACITY 50
         END
     DATA         "geotiffs/risk_m.tiff" # GeoTiff RockFall Risk File
     STATUS       default
     TYPE         RASTER

     METADATA
        "wms_title" "rockfall"
     END
         TEMPLATE "rockfall_query.html" # Rockfall Query file
                 CLASS
                         NAME "RockFall Risk"
                         EXPRESSION ([pixel] > 0 )
                         #MAXSCALEDENOM 10000
                         #MINSCALEDENOM 2000
                         STYLE
                                 DATARANGE 1 3
                                 COLORRANGE 255 255 0 255 0 0
                         END #STYLE
                 END #Class


END # Rock Fall layer ends here 
############################################################################

risk map example:

Best Regards,

Carlos
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