Thomas, I am looking at your data in VTK. I will report back. In ParaView, you cannot choose linear or nearest as of now. We have a plan to expose all of the volume property parameters in ParaView (hopefully soon).
Thanks, On Mon, Nov 30, 2015 at 3:06 PM, Thomas Oliveira <[email protected]> wrote: > Dear Aashish, > > Can I choose the interpolation (linear vs nearest) or is it hard-coded on > the call of VTK from Paraview? > > A dataset can be downloaded from > http://www3.imperial.ac.uk/pls/portallive/docs/1/33505696.ZIP . > Please extract the Berea.raw file from the zip. > I loaded it using: > """ > Raw (binary) Files > Data Scalar Type: unsigned char > Data Byte Order: Little Endian > Data Extent: 0-399, 0-399, 0-399 > """ > > Thank you for your attention, > > Thomas Oliveira > > > On Mon, Nov 30, 2015 at 4:31 PM, Aashish Chaudhary < > [email protected]> wrote: > >> Thomas, >> >> >> >> On Mon, Nov 30, 2015 at 10:34 AM, Thomas Oliveira < >> [email protected]> wrote: >> >>> Dear Aashish, >>> >>> >>> I'm using Paraview 4.4.0 64-bit , OpenGL Version 4.5.0 NVIDIA 352.55, >>> OpenGL Renderer Quadro K600/PCIe/SSE2. >>> >>> Tweaking the transfer function improved the result, but the corners are >>> rendererd rounded, whereas in the original file I have only cubic voxels. >>> >> >> I am wondering if that would be because of the interpolation (linear vs >> nearest) since linear will smooth out the edges just a bit. Is there a >> sample dataset you can send my way? >> >> >>> I though that unsetting "Properties > Scalar Coloring > Interpolate >>> Scalars Before Mapping" would improve the image, but I saw no change. >>> >>> You suggested to enable shading, but I couldn't find it. Where is it? >>> >> >> Its on the same panel (left side), scroll to the bottom or search for >> "shade" you should be see it. >> >> - aashish >> >>> >>> >>> Thank you for your help, >>> >>> Thomas Oliveira >>> >>> >>> On Mon, Nov 30, 2015 at 3:07 PM, Aashish Chaudhary < >>> [email protected]> wrote: >>> >>>> Hi Thomas, >>>> >>>> On Mon, Nov 30, 2015 at 8:54 AM, Thomas Oliveira < >>>> [email protected]> wrote: >>>> >>>>> Hi, >>>>> >>>>> The Sample.png file attached is an image of a pore medium. Each voxel >>>>> in the image is a cube that is either solid or void. >>>>> >>>>> The Zoom.png file attached is a zoom of it, where it can be seen that >>>>> the curved interior solid walls are approximated by a staircase >>>>> discretization. >>>>> >>>>> How can I render this staircase geometry more clearly? >>>>> >>>> >>>> Did you try to tweak the transfer function? Also, you can enable >>>> shading to have a look of a solid surface. >>>> >>>> >>>>> I have tried tweaking many properties on ParaView but I still get it >>>>> blurred. >>>>> >>>> >>>> Just to be sure, what version of ParaView you are using and what OpenGL >>>> backend? >>>> >>>>> >>>>> Thank you for your help, >>>>> >>>>> Thomas Oliveira >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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 >>>>> >>>>> >>>> >>>> >>>> -- >>>> >>>> >>>> >>>> *| Aashish Chaudhary | Technical Leader | Kitware Inc. >>>> * >>>> *| http://www.kitware.com/company/team/chaudhary.html >>>> <http://www.kitware.com/company/team/chaudhary.html>* >>>> >>> >>> >> >> >> -- >> >> >> >> *| Aashish Chaudhary | Technical Leader | Kitware Inc. >> * >> *| http://www.kitware.com/company/team/chaudhary.html >> <http://www.kitware.com/company/team/chaudhary.html>* >> > > -- *| Aashish Chaudhary | Technical Leader | Kitware Inc. * *| http://www.kitware.com/company/team/chaudhary.html <http://www.kitware.com/company/team/chaudhary.html>*
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