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

Wed, 10 Jun 2015 11:50:00 -0700 

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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