[Paraview] Writing new readers for paraview

[Jean M. Favre]

Berk Geveci wrote:
>>...
>>The same reader in ParaView only shows the first block, i.e. [reader 
>>GetOutput 0].
>>
>>What is missing? I suspect that one more requirement to add to Berk's 
>>list is that the reader should be able to return its number of Outputs 
>>early on. Exactly when is my question. During ExecuteInformation?
> 
> 
> Actually, in the current implementation:
> 1. If using a ReaderModule, GetNumberOfOutputs() has to return the
> correct number even before ExecuteInformation() is called
> 2. If using AdvancedReaderModule, GetNumberOfOutputs() has to return the
> correct number after ExecuteInformation() is called
> 
> I am changing this behaviour in the development branch. Both modules
> will call UpdateInformation() before GetNumberOfOutputs().

I can confirm to the list that the change made by Berk last night fixed 
the problem. Writing readers should now be bullet-proof. :-)

Jean

-- 
Dr. Jean M. Favre,                            email:favre at cscs . ch
http://www . cscs . ch/people/Favre . html
CSCS, Swiss Center for Scientific Computing | Tel:  +41 (91) 610.82.40
Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82