[Paraview] Selecting volume rendering causes output to vanish
Jeff Becker
jeffrey.c.becker at nasa.gov
Wed Jun 10 17:15:16 EDT 2015
On 06/10/2015 12:03 PM, David E DeMarle wrote:
> Probably the content isn't amenable to volume rendering. To be so, the
> unstructured grid has to have volumetric cells in it (tets, voxels,
> etc). If it just has polys or lines or points in it, they won't
> appear. You'll have to resample of splat onto the data onto a
> volumetric grid in that case.
That's it! I created an unstructured grid of points from a data file
using VTK. I'll see about resampling to volumetric grid. Thanks.
-jeff
>
>
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
> On Wed, Jun 10, 2015 at 2:58 PM, Aashish Chaudhary
> <aashish.chaudhary at kitware.com <mailto:aashish.chaudhary at kitware.com>>
> wrote:
>
> No, I don't think so. It would be nice if you can try Burlen
> suggestion to see if it works for built in datasets / sources.
>
> - Aashish
>
> On Wed, Jun 10, 2015 at 2:49 PM, Jeff Becker
> <jeffrey.c.becker at nasa.gov <mailto:jeffrey.c.becker at nasa.gov>> wrote:
>
> On 06/10/2015 11:46 AM, Burlen Loring wrote:
>
> Hmm. If Bunyk ray cast doesn't work some thing strange is
> going on as that is a software(non gpu) algorithm and
> should always work.
>
> Can you get anything to show up using a small test data?
> For example create a wavelet source and apply a threshold
> (use default values) to convert to unstructured data. If
> that works maybe something with your input data, or size
> of it.
>
>
> It's a 500 by 500 by 500 grid of floats - is that too big?
>
>
> On 06/10/2015 11:27 AM, Jeff Becker wrote:
>
> On 06/10/2015 11:06 AM, Burlen Loring wrote:
>
> 2 things to try: set the remote render threshold
> to zero, and if that doesn't get it to show up,
> change the mapper to Bunyk ray cast. One of those
> usually works depending on what the cause of the
> issue is.
>
>
> I have both of those set - no luck. BTW, this is
> ParaView 4.3.1 on an NVIDIA backend. glxinfo shows:
>
> $ glxinfo | head -30
> name of display: :0.0
> display: :0 screen: 0
> direct rendering: Yes
> server glx vendor string: NVIDIA Corporation
> server glx version string: 1.4
> server glx extensions:
> GLX_EXT_visual_info, GLX_EXT_visual_rating,
> GLX_SGIX_fbconfig,
> GLX_SGIX_pbuffer, GLX_SGI_video_sync,
> GLX_SGI_swap_control,
> GLX_EXT_swap_control, GLX_EXT_swap_control_tear,
> GLX_EXT_texture_from_pixmap, GLX_EXT_buffer_age,
> GLX_ARB_create_context,
> GLX_ARB_create_context_profile,
> GLX_EXT_create_context_es_profile,
> GLX_EXT_create_context_es2_profile,
> GLX_ARB_create_context_robustness,
> GLX_NV_delay_before_swap, GLX_EXT_stereo_tree,
> GLX_ARB_multisample,
> GLX_NV_float_buffer, GLX_ARB_fbconfig_float,
> GLX_EXT_framebuffer_sRGB,
> GLX_NV_multisample_coverage
> client glx vendor string: NVIDIA Corporation
> client glx version string: 1.4
> client glx extensions:
> GLX_ARB_get_proc_address, GLX_ARB_multisample,
> GLX_EXT_visual_info,
> GLX_EXT_visual_rating, GLX_EXT_import_context,
> GLX_SGI_video_sync,
> GLX_NV_swap_group, GLX_NV_video_out,
> GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
> GLX_SGI_swap_control, GLX_EXT_swap_control,
> GLX_EXT_swap_control_tear,
> GLX_EXT_buffer_age, GLX_ARB_create_context,
> GLX_ARB_create_context_profile, GLX_NV_float_buffer,
> GLX_ARB_fbconfig_float, GLX_EXT_fbconfig_packed_float,
> GLX_EXT_texture_from_pixmap, GLX_EXT_framebuffer_sRGB,
> GLX_NV_present_video, GLX_NV_copy_image,
> GLX_NV_multisample_coverage,
> GLX_NV_video_capture,
> GLX_EXT_create_context_es_profile,
> GLX_EXT_create_context_es2_profile,
> GLX_ARB_create_context_robustness,
> GLX_NV_delay_before_swap, GLX_EXT_stereo_tree
>
>
> On 06/10/2015 11:00 AM, Jeff Becker wrote:
>
> Hi. I have an unstructured grid file that
> opens and displays in Surface Rendering mode.
> If I switch to Volume Rendering, I don't see
> any output. Any ideas?
>
> Thanks.
>
> -jeff
> _______________________________________________
> Powered by www.kitware.com
> <http://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
>
>
>
>
>
> _______________________________________________
> Powered by www.kitware.com <http://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/
>
> _______________________________________________
> Powered by www.kitware.com <http://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
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/paraview/attachments/20150610/fc1eee56/attachment-0001.html>
More information about the ParaView
mailing list