<div>Yes it looks normal in ParaView.</div>
<div> </div>
<div>But In my application, after applying depth sorting, </div>
<div>the iso-surface looks like attached file.</div>
<div> </div>
<div>Is it vtk version problem ? My vtk is 5.2.1<br><br></div>
<div class="gmail_quote">2010년 12월 17일 오후 9:59, Sebastien Jourdain <span dir="ltr"><<a href="mailto:sebastien.jourdain@kitware.com">sebastien.jourdain@kitware.com</a>></span>님의 말:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">Ok,<br><br>but this is normal because the ContourFilter will generate a triangulated mesh.<br><br>Seb<br>
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<div></div>
<div class="h5"><br>2010/12/17 이현철 <<a href="mailto:basalt76@gmail.com">basalt76@gmail.com</a>>:<br>> I sent you two images, input file and iso-contour image.<br>> I had no problem to look at input file and iso-contour.<br>
><br>> Problem is<br>> when I set Representation option with "Surface with edges".<br>><br>> Input file image looks normal but iso-contour image gone through<br>> vtkMarchingContourFilter has triangles.<br>
> Thank you very much.<br>><br>> 2010년 12월 17일 오후 5:35, Sebastien Jourdain <<a href="mailto:sebastien.jourdain@kitware.com">sebastien.jourdain@kitware.com</a>>님의<br>> 말:<br>>><br>>> The reason is because you ask to look at the input file and not the<br>
>> iso-contour. The little eye on the left is disable in front of the<br>>> contour.<br>>><br>>> Seb<br>>><br>>> PS: Once you change something on a filter, don't forget to click on Apply<br>
>><br>>> 2010/12/17 이현철 <<a href="mailto:basalt76@gmail.com">basalt76@gmail.com</a>>:<br>>> > I'm very sorry for bothering you.<br>>> ><br>>> > I got something interesting.<br>
>> ><br>>> > In the ParaView, when I set Representation with "Surface with edges".<br>>> ><br>>> > The isosurface image went through vtkMarchingContourFilter has the<br>>> > triangles.<br>
>> > But the original image looks normal.<br>>> ><br>>> > I have used vtkCleanPolyData and vtkPolyDataNormals.<br>>> ><br>>> > I attached two iamges.<br>>> ><br>>> > Thank you ver much.<br>
>> ><br>>> > Lee.<br>>> ><br>>> > 2010년 12월 17일 오후 12:55, 이현철 <<a href="mailto:basalt76@gmail.com">basalt76@gmail.com</a>>님의 말:<br>>> >><br>>> >> Thank you for your advice<br>
>> >><br>>> >> I loaded my isosurface into ParaView and set opacity under 1.0.<br>>> >> It looks normal ~<br>>> >><br>>> >> Is this means that the ParaView do something special to solve<br>
>> >> transparency<br>>> >> problem ?<br>>> >><br>>> >> I attached the result.<br>>> >><br>>> >> 2010년 12월 15일 오후 11:21, Sebastien Jourdain<br>>> >> <<a href="mailto:sebastien.jourdain@kitware.com">sebastien.jourdain@kitware.com</a>>님의 말:<br>
>> >>><br>>> >>> How did you defined your unstructured grid ? It seems that some inner<br>>> >>> surface are detected...<br>>> >>> This could happen if you duplicate the points so each cell has its own<br>
>> >>> points ?<br>>> >>><br>>> >>> Try to load your data into ParaView and see if you can reproduce the<br>>> >>> problem.<br>>> >>><br>>> >>> Seb<br>
>> >>><br>>> >>> 2010/12/15 이현철 <<a href="mailto:basalt76@gmail.com">basalt76@gmail.com</a>>:<br>>> >>> > Sorry to interrupt you again.<br>>> >>> ><br>
>> >>> > I attach two images.<br>>> >>> ><br>>> >>> > Before and after adding depth sorting.<br>>> >>> > There are some differences.<br>>> >>> ><br>
>> >>> > My graphics card seems not to support depth peeling.<br>>> >>> ><br>>> >>> > Thank you very mush.<br>>> >>> ><br>>> >>> > Lee.<br>
>> >>> ><br>>> >>> > 2010/12/15 Sebastien Jourdain <<a href="mailto:sebastien.jourdain@kitware.com">sebastien.jourdain@kitware.com</a>><br>>> >>> >><br>>> >>> >> You should enable depth peeling on the renderer to fix most of the<br>
>> >>> >> artefact. But the rendering will be slower.<br>>> >>> >><br>>> >>> >> Seb<br>>> >>> >><br>>> >>> >> On Tue, Dec 14, 2010 at 10:01 AM, 이현철 <<a href="mailto:basalt76@gmail.com">basalt76@gmail.com</a>> wrote:<br>
>> >>> >> > Dears<br>>> >>> >> ><br>>> >>> >> > I visualized isosurface using vtkMarchingContourFilter from<br>>> >>> >> > vtkUnstructuredGrid.<br>
>> >>> >> ><br>>> >>> >> > When the opacity is 1.0 , created picture looks normal.<br>>> >>> >> ><br>>> >>> >> > But when i adjust opacity to below 1.0, the picture has speckles<br>
>> >>> >> > depends<br>>> >>> >> > on the position.<br>>> >>> >> ><br>>> >>> >> > Do you have any solution ?<br>>> >>> >> ><br>
>> >>> >> > I'll really appreciate it.<br>>> >>> >> ><br>>> >>> >> > Attached images<br>>> >>> >> ><br>>> >>> >> > _______________________________________________<br>
>> >>> >> > Powered by <a href="http://www.kitware.com/" target="_blank">www.kitware.com</a><br>>> >>> >> ><br>>> >>> >> > Visit other Kitware open-source projects at<br>
>> >>> >> > <a href="http://www.kitware.com/opensource/opensource.html" target="_blank">http://www.kitware.com/opensource/opensource.html</a><br>>> >>> >> ><br>>> >>> >> > Please keep messages on-topic and check the VTK FAQ at:<br>
>> >>> >> > <a href="http://www.vtk.org/Wiki/VTK_FAQ" target="_blank">http://www.vtk.org/Wiki/VTK_FAQ</a><br>>> >>> >> ><br>>> >>> >> > Follow this link to subscribe/unsubscribe:<br>
>> >>> >> > <a href="http://www.vtk.org/mailman/listinfo/vtkusers" target="_blank">http://www.vtk.org/mailman/listinfo/vtkusers</a><br>>> >>> >> ><br>>> >>> >> ><br>
>> >>> ><br>>> >>> ><br>>> >><br>>> ><br>>> ><br>><br>><br></div></div></blockquote></div><br>