[vtkusers] How to combing many vtkprop or vtkactor to form a bigger actor or prop ?

[John Platt]

Hi,

Any change to the supply data of a mapper/actor, e.g. removing cells, will be reflected in the assembly.

Perhaps you want to append all the data using vtkAppendFilter or similar?

It may be helpful to think of the pipeline as consisting of a visualisation part (filters), followed by the graphics(mapper/actor).
There is no class I am aware of that combines both; they must be treated separately.

HTH

John.
  ----- Original Message ----- 
  From: rwikee 
  To: vtkusers at vtk.org 
  Sent: Wednesday, November 28, 2012 10:16 AM
  Subject: Re: [vtkusers] How to combing many vtkprop or vtkactor to form a bigger actor or prop ?


  I checked vtkassembly , but am not sure whether it will work for me. 
  Suppose i want to delete part of a vtkactor. It may not be done using 
  vtkassembly, as i have to specifically search for particular cell ids 
  in each actor within vtkassembly. On the other hand, if i had one big 
  object, i could easily delete from there. 
  On 11/28/12, John Platt-3 [via VTK] 
  <[hidden email]> wrote: 

  > 
  > 
  > Hi, 
  > 
  > Have you looked at vtkAssembly or vtkPropAssembly? 
  > 
  > John. 
  > 
  > ----- Original Message ----- 
  >   From: Rwik Mukhopadhyay 
  >   To: [hidden email] 
  >   Sent: Wednesday, November 28, 2012 7:32 AM 
  >   Subject: [vtkusers] How to combing many vtkprop or vtkactor to form a 
  > bigger actor or prop ? 
  > 
  > 
  >   Hi, 
  >    i am a novice in vtk. Apologies, if my question is too basic. Actually I 
  > am working on a  qt/vtk application , where plenty of vtk actors / props can 
  > be plotted by user based on his requirement. Now there is a need to provide 
  > a functionality to combine all the plotted actor / props to form a mother 
  > actor/prop. I tried vtkactorcollection , but it stores all theactors 
  > separately . Please provide any suitable example or point me to related 
  > posts. 
  >   Thanks. 
  > 
  > 
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