[Paraview] [EXTERNAL] Re: Selecting volume rendering causes output to vanish

Wed Jun 10 15:24:13 EDT 2015

I tried this with an attachment, it was too big.  Here is the e-mail without the attachment.

Alan

From: Scott, W Alan
Sent: Wednesday, June 10, 2015 1:07 PM
To: 'Aashish Chaudhary'; Jeff Becker
Cc: ParaView
Subject: RE: [EXTERNAL] Re: [Paraview] Selecting volume rendering causes output to vanish

I believe I have seen this before when the config files get messed up.  Here is what I just did, and the image that results:  (Sorry if I missed your already having tried this in this e-mail thread)

·         rm files in ~/.config/ParaView.  (You can also just run ParaView with “don’t load config files” mode.)

·         ./paraview (make sure you are running the version of ParaView you think you are).  (if you want to not load config files, use ./paraview –dr)

·         Sources/ Wavelet.  Apply. (It will show outline mode)

·         Change Outline to Volume.  (ParaView will automagically change the variable used to RTData).

Alan

From: ParaView [mailto:paraview-bounces at paraview.org] On Behalf Of Aashish Chaudhary
Sent: Wednesday, June 10, 2015 12:58 PM
To: Jeff Becker
Cc: ParaView
Subject: [EXTERNAL] Re: [Paraview] Selecting volume rendering causes output to vanish

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
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--
| Aashish Chaudhary
| Technical Leader
| Kitware Inc.
| http://www.kitware.com/company/team/chaudhary.html
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