[Paraview] [EXTERNAL] Re: pv freezes when merging blocks of angular periodic filter data

[Scott, W Alan]

Thanks Mathieu.  I will benefit also.

Note that the next version of PV is 5.1.0, scheduled for next month.

Alan

From: ParaView [mailto:paraview-bounces at paraview.org] On Behalf Of Mathieu Westphal
Sent: Monday, May 02, 2016 1:41 AM
To: Gena Bug <archaerolog at mail.ru>
Cc: ParaView <paraview at paraview.org>
Subject: [EXTERNAL] Re: [Paraview] pv freezes when merging blocks of angular periodic filter data

This bug has already been corrected in the master branch of paraview. You can clone it and compile it, or wait for ParaView 5.0.1 to come out in a few weeks.
Regards,

Mathieu Westphal

On Sat, Apr 30, 2016 at 12:04 PM, Mathieu Westphal <mathieu.westphal at kitware.com<mailto:mathieu.westphal at kitware.com>> wrote:
I will take a look at it next week.
Regards,

Mathieu Westphal

On Sat, Apr 30, 2016 at 11:03 AM, Gena Bug <archaerolog at mail.ru<mailto:archaerolog at mail.ru>> wrote:
UPD: Seems it somehow related to cell-data vector arrays, because it works with point-data arrays.

I attached a smallest example I came up with that could help. If you load the state-file you'll see the next pipeline:
test.vtp
AngularPeriodicFilter (with angle = 90 and axiz = Z)
CellDatatoPointData
MergeBlocks

That works. However if you remove CellDatatoPointData from this pipeline and try to merge the result of AngularPeriodicFilter you'll see the problem.


On 30.04.2016 11:39, Gena Bug wrote:
Hi!

I was able to freeze Paraview by applying MergeBlocks filter to the data
generated by AngularPeriodicFilter. In console I see a bunch of warnings:
{
Warning: In
/home/kitware/dashboards/buildbot/paraview-debian6dash-linux-shared-release_opengl2_qt4_superbuild/build/paraview/src/paraview/VTK/Common/Core/vtkMappedDataArray.txx,
line 47
20vtkPeriodicDataArrayIdE (0x6dce310): GetVoidPointer called. This is
very expensive for vtkMappedDataArray subclasses, since the scalar array
must be generated for each call. Consider using a
vtkTypedDataArrayIterator instead.
}

Env: debian testing amd64, KF5, pv downloaded from the site.
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