[Paraview] trouble with paraview.simple.AssignLookupTable

[Burlen Loring]

Hi Alan,

You get the array object from the source/reader/filter's point data. for 
example

    w = Wavelet()
    wa = w.PointData.GetArray('RTData')

See if this example doesn't help: 
http://paraview.org/Wiki/ParaView/Python/Lookup_tables

Burlen

On 2/24/2014 1:29 PM, Scott, W Alan wrote:
> I have a user that is trying to assign a custom color map in Python.  How is this done?  I tried the trace recorder, but it doesn't show this action/command.  Mu user's note is below:
>
> Thanks,
>
> Alan
>
>
>
> Hello,
>
> I am trying to use paraview.simple python interface to assign a custom color map, but I can't seem to get it to work with even the default color maps.  For example
>
>>>> AssignLookupTable("nodal_eqps", "Warm")
> Traceback (most recent call last):
>    File "<stdin>", line 1, in <module>
>    File "/Applications/paraview.app/Contents/Python/paraview/simple.py", line 770, in AssignLookupTable
>      return _GetLUTReaderInstance().GetLUT(arrayObject, LUTName, rangeOveride)
>    File "/Applications/paraview.app/Contents/Python/paraview/lookuptable.py", line 234, in GetLUT
>      range = self.__GetRange(aArray,aRangeOveride)
>    File "/Applications/paraview.app/Contents/Python/paraview/lookuptable.py", line 301, in __GetRange
>      nComps = aArray.GetNumberOfComponents()
> AttributeError: 'str' object has no attribute 'GetNumberOfComponents'
>
> I have been looking at
>
> http://www.paraview.org/ParaView3/Doc/Nightly/www/py-doc/_modules/paraview/simple.html#AssignLookupTable
>
> and it appears I need to pass "AssignLookupTable" an "arrayObject".  The "arrayname" called "nodal_eqps" works fine with "GetLookupTableForArray", but I don't know how to create an "arrayObject" from this "arrayname".
>
> Thanks for any help you can lend.
>
>
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