[Paraview] Image Padding : extent problem again

[Jérôme]

Hi,

A related thread can be found here:
   http://www.mail-archive.com/paraview@paraview.org/msg02225.html
where I also gave some links to previous threads.

Briefly, the problem is not that simple to solved: ParaView has rules about
how data are organized in order to achieve efficient parallel visualization
for a whole pipeline (ParaView gurus, tell if I am wrong!). You will have to
play with extent translators, as it had been discussed in a related thread.

As it is not a bug, but a normal consequence of the basic purpose of
ParaView, I didn't submit a feature request. I also didn't try the "Extent
translator" hack used in a provided plugin (sorry I cannot remember which
one, but you will find it in the mailing list archives).

Best regards,
Jerome

2011/6/29 Burlen Loring <bloring at lbl.gov>

> **
> Which filter is exhibiting this issue?
>
> One potential source for such behavior could be that the filter in question
> is not updating the WHOLE_EXTENT key in its RequestInformation
> implementation, and/or not updating UPDATE_EXTENT correctly in its
> REQUEST_DATA implementation. As a result ParView is using the original
> extents. But I'd have to look to verify this hypothesis. If you could help
> me set up the condition I would be willing to take  look.
>
> Burlen
>
>
> On 06/29/2011 10:52 AM, Tinning, Michael (UK) wrote:
>
> I found this thread from about a year ago... I'm keen to find out if there
> was any progress on it.
>
> The problem is that on image-to-image type filters where the extent of the
> output is greater than the extent of the input, the output image is cropped.
>
> For example, if I have an input of extent [0 60 0 360 0 0] and an output of
> extent [0 90 0 60 0 0] the output will be cropped to [0 60 0 60 0 0].  The
> output extent is unchanged; only the visualization in ParaView is cropped.
>
> I am using ParaView 3.10.1
>
> Thanks,
>
> Michael
>
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