[Paraview] Reader with Multiple Outputs

[Sean Ziegeler]

Well, I don't know when it was introduced, but if a vtkMultiGroupDataSet 
is indeed the correct solution for you, one example of its use is in the 
vtkCSCSNetCDF reader (http://www.cscs.ch/a-display.php?id=1168).

In theory, it uses MultiGroup's to output NetCDF variables whose 
dimensions don't match.  I say "in theory" because it currently only 
outputs the one group with the most dimensions and ignores all the rest, 
but it should work once fully implemented.  The CSCS web page says they 
plan to add that feature, but I may be adding it myself soon for my own 
needs.  Anyway, it seems to be a good reference for using MultiGroups.

-Sean

Mike Jackson wrote:
> Is that a newish class? since vtk 5.0 or so because I don't have that 
> class listing in my documentation download...
> 
> But it does look like what I might have used.
> 
> Thanks
> --Mike Jackson   Senior Research Engineer
> Innovative Management & Technology Services
> 
> 
> On Jan 30, 2007, at 3:18 PM, Amy Squillacote wrote:
> 
>>
>>
>> Mike Jackson wrote:
>>> I could, if I knew what a MultiGroup was? ;-)
>> From the nightly-generated VTK doxygen pages: 
>> http://www.vtk.org/doc/nightly/html/classvtkMultiGroupDataSet.html.
>>
>> - Amy
>>>
>>> I looked in the vtkDocs for 5.x and didn't find the class. I have 
>>> since figured out how to apply some scalar data attributes to the 
>>> data and I can threshold based on the scalar values at that point.
>>>
>>> Thanks for the info.. I'll look into MultiGroup later this afternoon...
>>>
>>> --Mike Jackson   Senior Research Engineer
>>> Innovative Management & Technology Services
>>>
>>>
>>> On Jan 30, 2007, at 2:56 PM, Sean Ziegeler wrote:
>>>
>>>> Can you not create each data set in a separate group (i.e., 
>>>> vtkMultiGroup), or am I misunderstanding the problem?
>>>>
>>>> -Sean
>>>>
>>>> Berk Geveci wrote:
>>>>> ParaView does not support this yet. We will be adding this feature to
>>>>> paraview 3 next month.
>>>>> -berk
>>>>> On 1/30/07, Mike Jackson <mike.jackson at imts.us> wrote:
>>>>>> Can I write a reader that has multiple outputs? Ie.. I am reading
>>>>>> some data and converting it to vtkPolyData and I want to segregate
>>>>>> the data. I was thinking of having a pair of vtkPolyData Objects, one
>>>>>> to hold each type of "data".
>>>>>>
>>>>>> If this is possible, is there an example I can look at?
>>>>>>
>>>>>> THanks
>>>>>>
>>>>>> --Mike Jackson   Senior Research Engineer
>>>>>> Innovative Management & Technology Services
>>>>>>
>>>>>>
>>>>>>
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>>>
>>>
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> 
> 
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