[Paraview] RequestData Being Called Multiple Times [PV3.1.0]

[Mike Jackson]

I finally got a debugger working and setting a breakpoint at the top  
of RequestData is interesting to say the least. The stack is anywhere  
from 69 to 72 deep at that point. Copying the stack from each time  
the break point is hit and pasting into text files, the running a  
diff against two of the files shows the the differences are about the  
39 to 42 depth. All this is way beyond me at this point. I can send  
the stack traces if anyone wants to look through them.. ;-)

	Maybe I will try and compile this against 2.6.x and see if the  
problem persists. I have written another reader that inherits from  
PolyDataAlgorithm and I don't have this sort of trouble. I am sure it  
is something stupid that I am doing. I am looking at the ImageReader2  
class to get an idea of what I _should_ be doing at this point.


-- 
Mike Jackson   Senior Research Engineer
Innovative Management & Technology Services


On Jul 17, 2007, at 12:21 PM, Kent Eschenberg wrote:

> Mike Jackson wrote:
> > That does not seem to be it.. Although good idea. Any other  
> thoughts?
>
> > On Jul 17, 2007, at 11:59 AM, Kent Eschenberg wrote:
> >> I've seen that when RequestData returns a value that signals an  
> error.
>
> Only a crude shot in the dark: set a breakpoint at the start of  
> RequestData and see if the traceback suggests why the call was  
> made. I've written several readers for 2.6.1 and haven't seen the  
> problem you report except when the reader's return value indicated  
> an error.
>
> Kent
> Pittsburgh Supercomputing Center