Your question obviously has to do with python scripts, however in ParaView this 
can be done using the Calculator filter.  We just create another copy of the 
data with a different name – and then ParaView will allow you to use a 
different color table for this second array.  Could you do something like that? 
 Or, did I miss your point?

Alan

From: ParaView [mailto:[email protected]] On Behalf Of jlih
Sent: Monday, November 03, 2014 8:17 PM
To: [email protected]
Subject: [EXTERNAL] [Paraview] Possibilities of using different color ramps for 
different extractions of the same dataset?


Dear all,

I am creating extractions from a NetCDF data. I am wondering if I can create 
separate color ramps for different extractions of the same array for 
comparisons.   I tried the process within Paraview Desktop but I was not able 
to set different color ramps because the array name is the same for all 
extractions.



Sample code:
 SetActiveSource(ncreader)
    ExtractSubset1 = ExtractSubset()
    ExtractSubset1.VOI = [0, 50,0, 50,0, 8]

    DataRepresentation1 = Show(ExtractSubset1)
    DataRepresentation1.Representation = 'Volume'
    DataRepresentation1.ColorArrayName = ('CELL_DATA', varname)
    DataRepresentation1.ColorAttributeType = 'CELL_DATA'
    DataRepresentation1.LookupTable  = GetLookupTableForArray(​varname...





Any suggestions?



Thanks,

Jing
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