[Paraview] simple Programmable Source

[Heiland, Randy]

Yes! (banging forehead)  Thanks very much, Cory.

> On Oct 11, 2017, at 11:10 PM, Cory Quammen <cory.quammen at kitware.com> wrote:
> 
> Randy,
> 
> Try setting a name on the array with
> 
> scalars.SetName('array_name')
> 
> This should let you select this array as the color array in ParaView.
> 
> - Cory
> 
> On Wed, Oct 11, 2017 at 9:48 PM, Heiland, Randy <heiland at iu.edu <mailto:heiland at iu.edu>> wrote:
> I create the following in the Pgmable Source in PV, but cannot figure out how to color the resulting points or 3D glyphs using the scalar values. What am I missing?
> -Randy
> 
> # Get a vtk.PolyData object for the output
> pdo = self.GetPolyDataOutput()
> 
> # Create points
> num_pts = 3
> newPts = vtk.vtkPoints()
> scalars = vtk.vtkFloatArray()
> 
> xval = -1.0
> for idx in range(0, num_pts):
>   # rf. PhysiCell User Guide for these array indices to a cell's position.
>   x = xval
>   y = 0.0
>   z = 0.0
>   newPts.InsertPoint(idx, x,y,z)
>   sval = xval*2
>   scalars.InsertNextValue(sval)
>   xval += 1.0
> 
> # Add the points to the vtkPolyData object.
> pdo.SetPoints(newPts)
> pdo.GetPointData().SetScalars(scalars)
> 
> verts = vtk.vtkCellArray()
> for idx in range(0, num_pts):
>   verts.InsertNextCell(1)
>   verts.InsertCellPoint(idx)
> 
> pdo.SetVerts(verts)
> 
> 
> 
> _______________________________________________
> Powered by www.kitware.com <http://www.kitware.com/>
> 
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html <http://www.kitware.com/opensource/opensource.html>
> 
> Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView <http://paraview.org/Wiki/ParaView>
> 
> Search the list archives at: http://markmail.org/search/?q=ParaView <http://markmail.org/search/?q=ParaView>
> 
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/paraview <http://public.kitware.com/mailman/listinfo/paraview>
> 
> 
> 
> 
> -- 
> Cory Quammen
> Staff R&D Engineer
> Kitware, Inc.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/paraview/attachments/20171012/a101d257/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4035 bytes
Desc: not available
URL: <http://public.kitware.com/pipermail/paraview/attachments/20171012/a101d257/attachment.bin>