Hi Mark, Did you check the input grid to see if any cells in there are inverted?
If you can share the data set and the workflow, I can take a look to see where the problem occurred. Best, Andy On Thu, May 14, 2015 at 6:17 PM, Mark Cartwright < [email protected]> wrote: > Andy, > > > > Thanks for the quick reply – that unstructured grid was output from > vtkClipDataSet. I did not think to try the Mesh Quality filter – I will > try that. > > > > This is the first ugrid that I have seen this happen to, we are using > clipdataset to slice a reservoir model ugrid using a geologic horizon. > Many of these jobs have been run with good results. > > > > If you would like I could send you the input data and VTK flow. > > > > Thanks, > > > > Mark > > > > *From:* Andy Bauer [mailto:[email protected]] > *Sent:* Thursday, May 14, 2015 4:56 PM > *To:* Mark Cartwright > *Cc:* [email protected] > *Subject:* Re: [Paraview] Integrate Variables filter generates negative > volume for UnstructuredGrid > > > > Hi Mark, > > It looks like some of your cells are inverted in their canonical ordering. > You can use the Mesh Quality filter to see the tets that have negative > volumes. > > Probably the easiest way to fix the cells canonical ordering would be > using Programmable Filter. > > > > Regards, > > Andy > > > > On Thu, May 14, 2015 at 5:30 PM, Mark Cartwright < > [email protected]> wrote: > > Hello, > > > > I have an unstructured grid that oddly produces a negative volume – I’ve > looked for degenerate cells, etc. But cannot find anything obvious. > > > > The file is attached, it’s a very small grid of approx.. 1500 cells, > I’ve removed the data arrays – they integrated negative too – but this did > not resolve the issue with the volume being < 0. > > > > I am look at vtkIntegrateAttributes now and will post if I find > anything. > > > > Happy bug hunting, > > > > Mark > > > > > > > ------------------------------ > > > This email and its attachments may contain MicroSeismic Inc. proprietary > information, which is PRIVILEGED, CONFIDENTIAL, or subject to COPYRIGHT > belonging to MicroSeismic Inc. This email is intended solely for the use of > the individual or entity to which it is addressed. If you are not the > intended recipient of this email, or the employee or agent responsible for > delivering this email to the intended recipient you are hereby notified > that any dissemination, distribution, copying, or action taken in relation > to the contents of and attachments to this email is STRICTLY PROHIBITED and > may be UNLAWFUL. If you have received this email in error, please notify > the sender immediately and permanently delete the original and any copy of > this email and any printout. Thank You. > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/paraview > > > > ------------------------------ > > This email and its attachments may contain MicroSeismic Inc. proprietary > information, which is PRIVILEGED, CONFIDENTIAL, or subject to COPYRIGHT > belonging to MicroSeismic Inc. This email is intended solely for the use of > the individual or entity to which it is addressed. If you are not the > intended recipient of this email, or the employee or agent responsible for > delivering this email to the intended recipient you are hereby notified > that any dissemination, distribution, copying, or action taken in relation > to the contents of and attachments to this email is STRICTLY PROHIBITED and > may be UNLAWFUL. If you have received this email in error, please notify > the sender immediately and permanently delete the original and any copy of > this email and any printout. Thank You. >
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