[Paraview] issue with Contour on ImageData & UnstructuredGrid...

[Utkarsh Ayachit]

Hmm, I cannot reproduce the segfault. Do you have a debug build? Can
you attach a debugger and post the stack trace?

Thanks
Utkarsh

On Tue, Sep 8, 2009 at 5:40 PM, Karl König<kkoenig11 at web.de> wrote:
> Hi,
>
> While trying to check out Ken's instructions I accidentally choose a
> wrong filter and may have come across a new bug in ParaView: load the
> provided unstructured grid input.vtu and apply filter "Normal Glyphs".
> Both ParaView 3.6.1 and 3.7.0 cvs build segfault (with 5, 50 and 5000
> glyph max points). I couldn't find a bug report in Mantis about that.
> File one?
>
> Karl
>
>
>> There is something wonky with whatever service you are using to post
>> your files.  The first several times I tried accessing them, I just got
>> some web pages with a bunch of advertisements in French (which I cannot
>> read).  After several attempts, I finally got the files.
>>
>> When I run the contour filter with the default isovalue for each input,
>> I get roughly the same result.  The major difference is that normals are
>> automatically generated for image inputs but not for unstructured grids.
>>  Thus, the output for the unstructured grid resorts to flat shading,
>> which makes it look like it has sharper edges even though the polygons
>> are the same.  If you run the normals filter on the ugrid output
>> (turning off splitting), you will see the result looks similar.  You can
>> also try turning /off/ the Compute Normals feature for the /image/
>> input.  With the normals gone, you will see that the result is the same.
>>
>> By default, the contour filter does not compute or pass scalar values
>> for image data.  If you click on the Compute Scalars checkbox, you
>> should see them again.  The contour filter always computes scalar values
>> for unstructured grids.  I’m not sure why the two are different.
>>
>> -Ken
>>
>>
>> On 9/8/09 1:05 PM, "fred" <fredmfp at gmail.com> wrote:
>>
>>     fred a écrit :
>>     > I forgot...
>>     >
>>     > Files are here:
>>     >
>>     > http://dl.free.fr/rtNWe2Uhg
>>     >
>>     > http://dl.free.fr/rUhCCAbyu
>>     Hi,
>>
>>     Nobody can help me on this issue?
>>
>>     :-((
>>
>>
>>
>>     Cheers,
>>
>>     --
>>     Fred
>
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