[vtkusers] FW: passing point data through vtkCutter

[Mathieu Malaterre]

cutEdges.Update() #important
print cutEdges.GetOutput()



Vines, John (Civ,ARL/CISD) wrote:
>  
> -----Original Message-----
> *From:* Vines, John (Civ,ARL/CISD)
> *Sent:* Friday, September 05, 2003 3:08 PM
> *To:* vtkusers at vtk.org
> *Subject:* passing point data through vtkCutter
> 
> Would someone send me in the right direction to get point data through 
> the vtkCutter filter?
>  
>  # Here I have scalar values ( point arrays )
>  print CellToPointForCutter.GetOutput()
>  
>  cutEdges = vtkCutter()
>  cutEdges.SetInput( CellToPointForCutter.GetOutput() )
>  cutEdges.SetCutFunction( pvPlane1 )
>  cutEdges.GenerateCutScalarsOn()
>  cutEdges.SetValue(0, 0.5)
>  
>  # Here I do not have any scalar values ( point arrays )
>  print cutEdges.GetOutput()
> At present my input
> "CellToPointForCutter.GetOutput()" has point data: 
>  
>   Point Data:
>     Debug: Off
>     Modified Time: 521
>     Reference Count: 1
>     Registered Events: (none)
>     Number Of Arrays: 9
>     Array 0 name = Energy for block
>     Array 1 name = Pressure
>     Array 2 name = Void Volume Fraction
>     Array 3 name = X Velocity
>     Array 4 name = Y Velocity
>     Array 5 name = Z Velocity
>     Array 6 name = Temperature
>     Array 7 name = Temperature for block
>     Array 8 name = Mass for block
>     Number Of Components: 9
>     Number Of Tuples: 35763
>  
> but after I process the cutter I do not have my point data:
> "cutEdges.GetOutput()"
>   Point Data:
>     Debug: Off
>     Modified Time: 1711
>     Reference Count: 1
>     Registered Events: (none)
>     Number Of Arrays: 0
>     Number Of Components: 0
>     Number Of Tuples: 0
>     Copy Flags: ( 1 1 1 1 1 )
>     Scalars: (none)
>     Vectors: (none)
>     Normals: (none)
>     TCoords: (none)
>     Tensors: (none)
>  
> Thanks in advance!!
>  
> John   


-- 
Mathieu Malaterre
CREATIS
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B.P. Lyon-Montchat
69394 Lyon Cedex 03
http://www.creatis.insa-lyon.fr/~malaterre/