[Paraview] catalyst/copro ignoring camera position in exported python pipeline?

[Andy Bauer]

Hi Mark,

The adaptor is meant to convert a simulation code's data structures into
something that derives from vtkDataObject. So the adaptor could have a RAW
binary file passed in and produce a vtkImageData for your case. As far as
the Catalyst Python script is concerned, all it is expecting at for the
source is a vtkImageData in your example. It may be that the bounding box
of the data coming in from the RAW file is different than the vtkImageData
you load in the second time. I'd suggest checking that.

Something else you could try is the "fit to screen" option when outputting
screenshots from Catalyst. That should behave similarly to the fit to
screen option in the GUI.

Let me know if this isn't clear since I'm not sure I answered your question.

Andy




On Fri, Aug 16, 2013 at 1:37 PM, Vanmoer, Mark W <mvanmoer at illinois.edu>wrote:

>  Hello, is there a way to set up a coprocessing adaptor to work with RAW
> binary files? What I’ve done in the past is to first load a RAW binary in
> the GUI and export a coprocessing script to save a vti, run the simulation
> a single timestep writing the vti, then load that and save another script
> to create images from the full simulation.****
>
> ** **
>
> I tried skipping the write to vti step and instead have the
> render-to-image script based on the RAW binary source. Attached is what I
> get, the image_216.png, where it appears to have moved the camera position
> quite a bit. I looked at the Python, and it appears to have the correct
> camera positions, etc.****
>
> ** **
>
> In the C++ adaptor, I have the  data set as a vtkImageData and I figure
> this is where the problem is, since the adaptor is expecting that and not
> RAW binary. Would I have to load the data into some intermediary
> vtkDoubleArrays, say, and then supply those to the vtkImageData? Or is
> there more to it than that?****
>
> ** **
>
> This is more out of curiosity since the other approach works fine.****
>
> ** **
>
> Mark****
>
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