[Paraview] Re: create scalar bar using Python

[Sylvester Gerardson]

Hi again.

view.Representations.append(sBar01) did the trick!

Sylvester



On Jan 31, 2008 1:46 PM, Sylvester Gerardson
<sylvester.gerardson at gmail.com> wrote:
> Hi All,
>
> How do I create a scalar bar using Python scripting? I can create a
> ScalarBarWidgetRepresentation with this script:
>
> #################
> view = servermanager.GetRenderView()
>
> sph = servermanager.sources.SphereSource(registrationGroup='sources',registrationName='sphere1')
> elev = servermanager.filters.ElevationFilter(Input=sph,registrationGroup='sources',registrationName='elevation1')
> elev.UpdatePipeline()
> elevRange=elev.GetDataInformation().GetPointDataInformation().GetArrayInformation(1).GetComponentRange(0)
>
> lTable1 = servermanager.rendering.PVLookupTable(registrationGroup='lookup_tables')
> lTable1.RGBPoints = [elevRange[0], 0, 0, 1, elevRange[1], 1, 0, 0]
> lTable1.ColorSpace = 1 # HSV
>
> rep = servermanager.CreateRepresentation(elev,view,registrationGroup='representations')
> rep.LookupTable = lTable1
> rep.ColorAttributeType = 0 # point data
> rep.ColorArrayName = 'Elevation' # color by Elevation
>
> sBar1 = servermanager.rendering.ScalarBarWidgetRepresentation(registrationGroup='scalar_bars',registrationName="ScalarBarWidgetRepresentation1")
> sBar1.Title = 'elevation'
> sBar1.LookupTable = lTable1
>
> view.ResetCamera()
> view.StillRender()
> #################
>
> But whenever I try to create a representation for it (for example:
> rep2 = servermanager.CreateRepresentation(sBar1,view,registrationGroup='representations'))
> ParaView crashes with the following message:
>
> Representation could not locate the pqPipelineSource object  for the
> input proxy.
> ERROR: In /home/sylvester/paraview/ParaView3.2.1/Servers/Common/vtkProcessModule.cxx,
> line 1001
> vtkProcessModule (0x77a7a0): Object type: vtkSMPVRepresentationProxy,
> could not find requested method: "AddInput"
> or the method was called with incorrect arguments.
>
> while processing
> Message 0 = Invoke
>   Argument 0 = id_value {329}
>   Argument 1 = string_value {AddInput}
>   Argument 2 = int32_value {0}
>   Argument 3 = vtk_object_pointer
> {vtkSMScalarBarWidgetRepresentationProxy (0x2001920)}
>   Argument 4 = uint32_value {0}
>   Argument 5 = string_value {NotUsed}
>
>
>
> ERROR: In /home/sylvester/paraview/ParaView3.2.1/Servers/Common/vtkProcessModule.cxx,
> line 1002
> vtkProcessModule (0x77a7a0): Aborting execution for debugging purposes.
>
>
> Aborted
>
>
>
> Any ideas?
>
> Thanks!
> Sylvester
>