[Paraview] Selecting volume rendering causes output to vanish

[Jeff Becker]

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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>>
>