Sorry - I should have been more clearer I am using the source tar ball 3.8.0 from the webpage
On 13 August 2010 19:41, Dave Partyka <[email protected]> wrote: > Hi Rakesh, > > You mentioned CVS. I just want to double check are you really still using > CVS ParaView? or are you on the git release branch? Or using the source > tarball from the webpage? > > > On Fri, Aug 13, 2010 at 2:26 PM, Rakesh Hammond < > [email protected]> wrote: > >> >> >> ---------- Forwarded message ---------- >> From: Rakesh Hammond <[email protected]> >> Date: 13 August 2010 19:26 >> Subject: Re: [Paraview] saving screen shot as a PNG image, Paraview-3.8.0 >> To: pat marion <[email protected]> >> >> >> Hi Pat, >> >> Thanks for your suggestion - but didn't help, PV-3.8 still crashed. >> >> I am able to save the screen shot using other formats (jpg, bmp etc). >> >> I looked into it a little bit further and I think this is where its seg >> faulting >> (I am on 3.8 release branch, not the latest CVS) >> >> in vtkPNGWriter.cxx >> >> line 278 - the following for loop >> >> for (ui = 0; ui < height; ui++) >> { >> row_pointers[height - ui - 1] = (png_byte *)outPtr; >> outPtr = (unsigned char *)outPtr + rowInc; >> } >> >> However, if I put a print statement inside the for loop(Hello world for >> example), PV doesn't crash. This may be due to a memory leak some where >> else. >> >> Can some one please comment on what sort of modifications I should make to >> the above code? >> >> I think this may be a nasty bug to recreate - has any one else encountered >> this problem? >> >> This is what I tried to do >> >> start PV >> Load some data >> File->SaveScreenShot-> >> Now choose the .PNG format and my PV-3.8 crashes >> >> Regards, >> >> >> On 12 August 2010 19:26, pat marion <[email protected]> wrote: >> >>> Hi Rakesh, >>> >>> In Edit -> Settings -> Render View there is an option "Use Offscreen >>> Rendering for Screenshots." On some systems, this option will cause a crash >>> when enabled. >>> >>> Pat >>> >>> On Thu, Aug 12, 2010 at 1:42 PM, Rakesh Hammond < >>> [email protected]> wrote: >>> >>>> Hi >>>> >>>> I have a .pvti file which I can visualize in Paraview-3.8.0. >>>> >>>> I would like to save a slice from my data set and able to display the >>>> results correctly. >>>> However, when I select SaveScreen option with PNG format, it seg faults. >>>> >>>> I am able to get this to work correctly on 3.6.2 without seg faulting. >>>> >>>> I am on SuSe-10.2. >>>> >>>> Do I need to turn on the USE_SYSTEM_PNG flag in CMake and re-compile? >>>> I haven't done this for 3.6.2 and works OK. >>>> >>>> Has any one else come across this problem before? >>>> >>>> Any pointers would be greatly appreciated. >>>> >>>> Regards, >>>> >>>> Rakesh >>>> >>>> _______________________________________________ >>>> 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 >>>> >>>> Follow this link to subscribe/unsubscribe: >>>> http://www.paraview.org/mailman/listinfo/paraview >>>> >>>> >>> >> >> >> _______________________________________________ >> 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 >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> >> >
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