[Paraview] BOX -> volume?

B.W.H. van Beest bwvb at xs4all.nl
Thu Oct 16 18:32:14 EDT 2014


Got it! Impressive, your knowledge on these matters.

Regards,
Bertwim



On 10/16/2014 07:53 PM, Burlen Loring wrote:
> Hi Bertwim,
>
> The problem you're experiencing is not an issue of missing extensions,
> but rather a bug in ATI's driver. Projected tetrahedra is disabled
> when an ATI device is detected to avoid that bug(ParaView will hang).
> However it's not a big deal. because you can use the "Bunyk raycast"
> algrothim instead. After your data is on screen scroll to the bottom
> of the properties panel and look for the field "Select mapper", set
> that to "Bunyk ray cast", then change the representation to "volume".
>
> Burlen
>
>
> On 10/15/2014 06:58 PM, B.W.H. van Beest wrote:
>> I am still busy with finding out which etensions are needed, and how
>> I can enable them.
>> THis opebnGL-world is a bit alien to me, so it will take some time.
>>
>> Regards,
>> Bertwim
>>
>> On 10/14/2014 11:07 PM, Aashish Chaudhary wrote:
>>> Looks like certain extensions are still not quite working on yours
>>> system even with the proprietary driver. I will see if I can run
>>> your code on my laptop but that would be for tomorrow. 
>>>
>>> ** Assuming that this is not data dependent issue (which it should
>>> not). 
>>>
>>> I think its probably this line causing the issue: 
>>>
>>> bool driverSupport
>>>
>>> 	#if defined(__APPLE__)
>>>
>>> 	= true;
>>>
>>> 	#else
>>>
>>> 	= !(extensions->DriverIsATI()
>>>
>>> 	&& (extensions->GetDriverGLVersionMajor() >= 3))
>>>
>>> 	|| extensions->GetIgnoreDriverBugs("ATI texturing bug");
>>>
>>> 	#endif
>>>
>>>
>>>
>>> On line number 181: can you change this code to : 
>>>
>>> this->HasHardwareSupport=renwin!=NULL&&this->IsSupported(renwin);
>>> to 
>>> this->HasHardwareSupport=1; 
>>>
>>> - Aashish
>>>
>>>
>>>
>>> On Tue, Oct 14, 2014 at 4:53 PM, B.W.H. van Beest <bwvb at xs4all.nl
>>> <mailto:bwvb at xs4all.nl>> wrote:
>>>
>>>     Progress indeed. But I don't understand what you are saying
>>>     about the transfer function.
>>>
>>>     I' starting to wonder if I have two issues occurring simultaneously.
>>>     In a new thread I just posted I described my problem in getting
>>>     the colours in place.
>>>     I need to write to a vtk file first and load it back.  I just
>>>     found that when I just did that
>>>     and then switched fo volume rendering, an error was there about
>>>     the absence
>>>     of an opengl extension:
>>>
>>>     ERROR: In
>>>     /usr/local/git/ParaView/VTK/Rendering/VolumeOpenGL/vtkOpenGLProjectedTetrahedraMapper.cxx,
>>>     line 185
>>>     vtkOpenGLProjectedTetrahedraMapper (0x58ae490): The required
>>>     extensions are not supported.
>>>
>>>      This is complete unknown terrain for me.
>>>
>>>     Regards,
>>>     Bertwim
>>>
>>>
>>>
>>>     On 10/14/2014 09:58 PM, Burlen Loring wrote:
>>>>     progress!  it sounds like volume rendering is working on the
>>>>     wavelet dataset.
>>>>
>>>>     You do need the scalars for volume rendering, so make sure you
>>>>     have those when you try. You need to select the scalars in the
>>>>     drop down also, I usually do this before changing to the volume
>>>>     representation. You also may need to edit the transfer
>>>>     function. For testing you could make the opacity over the
>>>>     entire scalar range in which case you should see a solid cube.
>>>>
>>>>     If you've done all that and don't see anything it's likely that
>>>>     the dataset is messed up.  Add a dataset->Print(cerr) statement
>>>>     to the end of your request data,  look in the information panel
>>>>     and verify correct number of points and scalar ranges.
>>>>
>>>>     If all else fails post the dataset to the list. After creating
>>>>     your cube go to the file menu and "save data".
>>>>
>>>>
>>>>     On 10/14/2014 10:40 AM, B.W.H. van Beest wrote:
>>>>>     Hi Burlen,
>>>>>
>>>>>     I have upgraded to the AMD drivers. Thanks for the hint. It
>>>>>     has improved the situation a bit.
>>>>>
>>>>>     Furthermore, I created the wavelet source. When selecting
>>>>>     "volume" representation, I do see a three 3 picture, in all 5
>>>>>     volume rendering mode (smart, raycast and texture mapping, ray
>>>>>     cast only, texture mapping only, GPU based). The picture a
>>>>>     rather fuzzy, but then I don't know what I'm supposed to see
>>>>>     here. The good news is that the openGL errors I had before
>>>>>     when displaying a wavelet, now have gone.
>>>>>
>>>>>     The situation with my own cube, though, has unchanged.
>>>>>     unfortunately. 
>>>>>     The cube disappears in "volume" representation node, also when
>>>>>     I  re-inserted scalar values for each of the 8 vertices.
>>>>>
>>>>>     Regards,
>>>>>     Bertwim
>>>>>
>>>>>     On 10/14/2014 06:06 PM, Burlen Loring wrote:
>>>>>>     Hi Bertwim,
>>>>>>
>>>>>>     In recent releases of ParaView I have experienced
>>>>>>     issues/flakeyness with volume rendering. Something you should
>>>>>>     try: Create the wavelet source, then in the properties panel
>>>>>>     find "volume rendering mode" and set it to "ray cast only". 
>>>>>>     This has worked for me on a number of systems. may or may not
>>>>>>     work, but worth a try.
>>>>>>
>>>>>>     The output you pasted below shows that although you've got a
>>>>>>     sweet ATI GPU you're not taking advantage of it! You're using
>>>>>>     the Intel integrated GPU with Mesa drivers. If I were you I
>>>>>>     would install proprietary the AMD drivers
>>>>>>     <http://support.amd.com/en-us/download>. This should give you
>>>>>>     nice performance boost and may even solve the OpenGL errors
>>>>>>     you reported, which these days are as often (or more) a
>>>>>>     result of bugs in the Mesa drivers than in VTK.
>>>>>>
>>>>>>     Burlen
>>>>>>
>>>>>>     On 10/13/2014 11:44 AM, B.W.H. van Beest wrote:
>>>>>>>
>>>>>>>
>>>>>>>     OS:   OpenSuSe 13.1
>>>>>>>
>>>>>>>     # lspci | grep -i vga
>>>>>>>     00:02.0 VGA compatible controller: Intel Corporation 4th Gen
>>>>>>>     Core Processor Integrated Graphics Controller (rev 06)
>>>>>>>     01:00.0 VGA compatible controller: Advanced Micro Devices,
>>>>>>>     Inc. [AMD/ATI] Mars [Radeon HD 8670A/8670M/8750M]
>>>>>>>
>>>>>>>     # glxinfo
>>>>>>>     name of display: :0
>>>>>>>     display: :0  screen: 0
>>>>>>>     direct rendering: Yes
>>>>>>>     server glx vendor string: SGI
>>>>>>>     server glx version string: 1.4
>>>>>>>     server glx extensions:
>>>>>>>         GLX_ARB_create_context, GLX_ARB_create_context_profile,
>>>>>>>         GLX_ARB_multisample, GLX_EXT_create_context_es2_profile,
>>>>>>>         GLX_EXT_import_context, GLX_EXT_texture_from_pixmap,
>>>>>>>     GLX_EXT_visual_info,
>>>>>>>         GLX_EXT_visual_rating, GLX_INTEL_swap_event,
>>>>>>>     GLX_MESA_copy_sub_buffer,
>>>>>>>         GLX_OML_swap_method, GLX_SGIS_multisample,
>>>>>>>     GLX_SGIX_fbconfig,
>>>>>>>         GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group,
>>>>>>>     GLX_SGI_swap_control
>>>>>>>     client glx vendor string: Mesa Project and SGI
>>>>>>>     client glx version string: 1.4
>>>>>>>     client glx extensions:
>>>>>>>         GLX_ARB_create_context, GLX_ARB_create_context_profile,
>>>>>>>         GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float,
>>>>>>>         GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address,
>>>>>>>     GLX_ARB_multisample,
>>>>>>>         GLX_EXT_create_context_es2_profile,
>>>>>>>     GLX_EXT_fbconfig_packed_float,
>>>>>>>         GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context,
>>>>>>>         GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info,
>>>>>>>     GLX_EXT_visual_rating,
>>>>>>>         GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer,
>>>>>>>         GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control,
>>>>>>>         GLX_OML_swap_method, GLX_OML_sync_control,
>>>>>>>     GLX_SGIS_multisample,
>>>>>>>         GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
>>>>>>>     GLX_SGIX_visual_select_group,
>>>>>>>         GLX_SGI_make_current_read, GLX_SGI_swap_control,
>>>>>>>     GLX_SGI_video_sync
>>>>>>>     GLX version: 1.4
>>>>>>>     GLX extensions:
>>>>>>>         GLX_ARB_create_context, GLX_ARB_create_context_profile,
>>>>>>>         GLX_ARB_get_proc_address, GLX_ARB_multisample,
>>>>>>>         GLX_EXT_create_context_es2_profile, GLX_EXT_import_context,
>>>>>>>         GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info,
>>>>>>>     GLX_EXT_visual_rating,
>>>>>>>         GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer,
>>>>>>>         GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control,
>>>>>>>         GLX_OML_swap_method, GLX_OML_sync_control,
>>>>>>>     GLX_SGIS_multisample,
>>>>>>>         GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
>>>>>>>     GLX_SGIX_visual_select_group,
>>>>>>>         GLX_SGI_make_current_read, GLX_SGI_swap_control,
>>>>>>>     GLX_SGI_video_sync
>>>>>>>     OpenGL vendor string: Intel Open Source Technology Center
>>>>>>>     OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
>>>>>>>     OpenGL core profile version string: 3.1 (Core Profile) Mesa
>>>>>>>     9.2.3
>>>>>>>     OpenGL core profile shading language version string: 1.40
>>>>>>>     OpenGL core profile context flags: (none)
>>>>>>>     OpenGL core profile extensions:
>>>>>>>         GL_3DFX_texture_compression_FXT1,
>>>>>>>     GL_AMD_draw_buffers_blend,
>>>>>>>         GL_ANGLE_texture_compression_dxt3,
>>>>>>>     GL_ANGLE_texture_compression_dxt5,
>>>>>>>         GL_APPLE_object_purgeable, GL_ARB_ES2_compatibility,
>>>>>>>         GL_ARB_ES3_compatibility, GL_ARB_base_instance,
>>>>>>>         GL_ARB_blend_func_extended, GL_ARB_copy_buffer,
>>>>>>>     GL_ARB_debug_output,
>>>>>>>         GL_ARB_depth_buffer_float, GL_ARB_depth_clamp,
>>>>>>>     GL_ARB_draw_buffers,
>>>>>>>         GL_ARB_draw_buffers_blend,
>>>>>>>     GL_ARB_draw_elements_base_vertex,
>>>>>>>         GL_ARB_draw_instanced, GL_ARB_explicit_attrib_location,
>>>>>>>         GL_ARB_fragment_coord_conventions, GL_ARB_fragment_shader,
>>>>>>>         GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB,
>>>>>>>         GL_ARB_get_program_binary, GL_ARB_half_float_pixel,
>>>>>>>         GL_ARB_half_float_vertex, GL_ARB_instanced_arrays,
>>>>>>>         GL_ARB_internalformat_query, GL_ARB_invalidate_subdata,
>>>>>>>         GL_ARB_map_buffer_range, GL_ARB_occlusion_query2,
>>>>>>>         GL_ARB_pixel_buffer_object, GL_ARB_point_sprite,
>>>>>>>     GL_ARB_provoking_vertex,
>>>>>>>         GL_ARB_robustness, GL_ARB_sampler_objects,
>>>>>>>     GL_ARB_seamless_cube_map,
>>>>>>>         GL_ARB_shader_bit_encoding, GL_ARB_shader_objects,
>>>>>>>         GL_ARB_shader_texture_lod, GL_ARB_shading_language_420pack,
>>>>>>>         GL_ARB_shading_language_packing, GL_ARB_sync,
>>>>>>>         GL_ARB_texture_buffer_object,
>>>>>>>     GL_ARB_texture_buffer_object_rgb32,
>>>>>>>         GL_ARB_texture_compression_rgtc,
>>>>>>>     GL_ARB_texture_cube_map_array,
>>>>>>>         GL_ARB_texture_float, GL_ARB_texture_multisample,
>>>>>>>         GL_ARB_texture_non_power_of_two, GL_ARB_texture_query_lod,
>>>>>>>         GL_ARB_texture_rectangle, GL_ARB_texture_rg,
>>>>>>>     GL_ARB_texture_rgb10_a2ui,
>>>>>>>         GL_ARB_texture_storage, GL_ARB_texture_storage_multisample,
>>>>>>>         GL_ARB_texture_swizzle, GL_ARB_timer_query,
>>>>>>>     GL_ARB_uniform_buffer_object,
>>>>>>>         GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object,
>>>>>>>         GL_ARB_vertex_shader, GL_ARB_vertex_type_2_10_10_10_rev,
>>>>>>>         GL_ATI_blend_equation_separate, GL_ATI_texture_float,
>>>>>>>     GL_EXT_abgr,
>>>>>>>         GL_EXT_blend_equation_separate, GL_EXT_draw_buffers2,
>>>>>>>         GL_EXT_draw_instanced, GL_EXT_framebuffer_blit,
>>>>>>>         GL_EXT_framebuffer_multisample,
>>>>>>>     GL_EXT_framebuffer_multisample_blit_scaled,
>>>>>>>         GL_EXT_framebuffer_sRGB, GL_EXT_packed_depth_stencil,
>>>>>>>     GL_EXT_packed_float,
>>>>>>>         GL_EXT_pixel_buffer_object, GL_EXT_provoking_vertex,
>>>>>>>     GL_EXT_texture_array,
>>>>>>>         GL_EXT_texture_compression_dxt1,
>>>>>>>     GL_EXT_texture_compression_rgtc,
>>>>>>>         GL_EXT_texture_filter_anisotropic, GL_EXT_texture_integer,
>>>>>>>         GL_EXT_texture_sRGB, GL_EXT_texture_sRGB_decode,
>>>>>>>         GL_EXT_texture_shared_exponent, GL_EXT_texture_snorm,
>>>>>>>         GL_EXT_texture_swizzle, GL_EXT_timer_query,
>>>>>>>     GL_EXT_transform_feedback,
>>>>>>>         GL_EXT_vertex_array_bgra, GL_IBM_multimode_draw_arrays,
>>>>>>>         GL_MESA_pack_invert, GL_MESA_texture_signed_rgba,
>>>>>>>     GL_MESA_ycbcr_texture,
>>>>>>>         GL_NV_conditional_render, GL_NV_depth_clamp,
>>>>>>>     GL_NV_packed_depth_stencil,
>>>>>>>         GL_OES_EGL_image, GL_OES_read_format, GL_S3_s3tc
>>>>>>>
>>>>>>>     OpenGL version string: 3.0 Mesa 9.2.3
>>>>>>>     OpenGL shading language version string: 1.30
>>>>>>>     OpenGL context flags: (none)
>>>>>>>     OpenGL extensions:
>>>>>>>         GL_3DFX_texture_compression_FXT1,
>>>>>>>     GL_AMD_draw_buffers_blend,
>>>>>>>         GL_ANGLE_texture_compression_dxt3,
>>>>>>>     GL_ANGLE_texture_compression_dxt5,
>>>>>>>         GL_APPLE_object_purgeable, GL_APPLE_packed_pixels,
>>>>>>>         GL_APPLE_vertex_array_object, GL_ARB_ES2_compatibility,
>>>>>>>         GL_ARB_ES3_compatibility, GL_ARB_blend_func_extended,
>>>>>>>         GL_ARB_color_buffer_float, GL_ARB_copy_buffer,
>>>>>>>     GL_ARB_debug_output,
>>>>>>>         GL_ARB_depth_buffer_float, GL_ARB_depth_clamp,
>>>>>>>     GL_ARB_depth_texture,
>>>>>>>         GL_ARB_draw_buffers, GL_ARB_draw_buffers_blend,
>>>>>>>         GL_ARB_draw_elements_base_vertex, GL_ARB_draw_instanced,
>>>>>>>         GL_ARB_explicit_attrib_location,
>>>>>>>     GL_ARB_fragment_coord_conventions,
>>>>>>>         GL_ARB_fragment_program, GL_ARB_fragment_program_shadow,
>>>>>>>         GL_ARB_fragment_shader, GL_ARB_framebuffer_object,
>>>>>>>         GL_ARB_framebuffer_sRGB, GL_ARB_get_program_binary,
>>>>>>>         GL_ARB_half_float_pixel, GL_ARB_half_float_vertex,
>>>>>>>         GL_ARB_instanced_arrays, GL_ARB_internalformat_query,
>>>>>>>         GL_ARB_invalidate_subdata, GL_ARB_map_buffer_range,
>>>>>>>     GL_ARB_multisample,
>>>>>>>         GL_ARB_multitexture, GL_ARB_occlusion_query,
>>>>>>>     GL_ARB_occlusion_query2,
>>>>>>>         GL_ARB_pixel_buffer_object, GL_ARB_point_parameters,
>>>>>>>     GL_ARB_point_sprite,
>>>>>>>         GL_ARB_provoking_vertex, GL_ARB_robustness,
>>>>>>>     GL_ARB_sampler_objects,
>>>>>>>         GL_ARB_seamless_cube_map, GL_ARB_shader_bit_encoding,
>>>>>>>         GL_ARB_shader_objects, GL_ARB_shader_texture_lod,
>>>>>>>         GL_ARB_shading_language_100,
>>>>>>>     GL_ARB_shading_language_420pack,
>>>>>>>         GL_ARB_shading_language_packing, GL_ARB_shadow,
>>>>>>>     GL_ARB_sync,
>>>>>>>         GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
>>>>>>>         GL_ARB_texture_compression_rgtc, GL_ARB_texture_cube_map,
>>>>>>>         GL_ARB_texture_cube_map_array, GL_ARB_texture_env_add,
>>>>>>>         GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar,
>>>>>>>         GL_ARB_texture_env_dot3, GL_ARB_texture_float,
>>>>>>>         GL_ARB_texture_mirrored_repeat, GL_ARB_texture_multisample,
>>>>>>>         GL_ARB_texture_non_power_of_two, GL_ARB_texture_query_lod,
>>>>>>>         GL_ARB_texture_rectangle, GL_ARB_texture_rg,
>>>>>>>     GL_ARB_texture_rgb10_a2ui,
>>>>>>>         GL_ARB_texture_storage, GL_ARB_texture_storage_multisample,
>>>>>>>         GL_ARB_texture_swizzle, GL_ARB_timer_query,
>>>>>>>     GL_ARB_transpose_matrix,
>>>>>>>         GL_ARB_uniform_buffer_object, GL_ARB_vertex_array_bgra,
>>>>>>>         GL_ARB_vertex_array_object, GL_ARB_vertex_buffer_object,
>>>>>>>         GL_ARB_vertex_program, GL_ARB_vertex_shader,
>>>>>>>         GL_ARB_vertex_type_2_10_10_10_rev, GL_ARB_window_pos,
>>>>>>>         GL_ATI_blend_equation_separate, GL_ATI_draw_buffers,
>>>>>>>         GL_ATI_envmap_bumpmap, GL_ATI_separate_stencil,
>>>>>>>         GL_ATI_texture_env_combine3, GL_ATI_texture_float,
>>>>>>>     GL_EXT_abgr,
>>>>>>>         GL_EXT_bgra, GL_EXT_blend_color,
>>>>>>>     GL_EXT_blend_equation_separate,
>>>>>>>         GL_EXT_blend_func_separate, GL_EXT_blend_minmax,
>>>>>>>     GL_EXT_blend_subtract,
>>>>>>>         GL_EXT_compiled_vertex_array, GL_EXT_copy_texture,
>>>>>>>     GL_EXT_draw_buffers2,
>>>>>>>         GL_EXT_draw_instanced, GL_EXT_draw_range_elements,
>>>>>>>     GL_EXT_fog_coord,
>>>>>>>         GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample,
>>>>>>>         GL_EXT_framebuffer_multisample_blit_scaled,
>>>>>>>     GL_EXT_framebuffer_object,
>>>>>>>         GL_EXT_framebuffer_sRGB, GL_EXT_gpu_program_parameters,
>>>>>>>         GL_EXT_multi_draw_arrays, GL_EXT_packed_depth_stencil,
>>>>>>>         GL_EXT_packed_float, GL_EXT_packed_pixels,
>>>>>>>     GL_EXT_pixel_buffer_object,
>>>>>>>         GL_EXT_point_parameters, GL_EXT_polygon_offset,
>>>>>>>     GL_EXT_provoking_vertex,
>>>>>>>         GL_EXT_rescale_normal, GL_EXT_secondary_color,
>>>>>>>         GL_EXT_separate_shader_objects,
>>>>>>>     GL_EXT_separate_specular_color,
>>>>>>>         GL_EXT_shadow_funcs, GL_EXT_stencil_two_side,
>>>>>>>     GL_EXT_stencil_wrap,
>>>>>>>         GL_EXT_subtexture, GL_EXT_texture, GL_EXT_texture3D,
>>>>>>>         GL_EXT_texture_array, GL_EXT_texture_compression_dxt1,
>>>>>>>         GL_EXT_texture_compression_rgtc, GL_EXT_texture_cube_map,
>>>>>>>         GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add,
>>>>>>>         GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3,
>>>>>>>         GL_EXT_texture_filter_anisotropic, GL_EXT_texture_integer,
>>>>>>>         GL_EXT_texture_lod_bias, GL_EXT_texture_object,
>>>>>>>     GL_EXT_texture_rectangle,
>>>>>>>         GL_EXT_texture_sRGB, GL_EXT_texture_sRGB_decode,
>>>>>>>         GL_EXT_texture_shared_exponent, GL_EXT_texture_snorm,
>>>>>>>         GL_EXT_texture_swizzle, GL_EXT_timer_query,
>>>>>>>     GL_EXT_transform_feedback,
>>>>>>>         GL_EXT_vertex_array, GL_EXT_vertex_array_bgra,
>>>>>>>         GL_IBM_multimode_draw_arrays, GL_IBM_rasterpos_clip,
>>>>>>>         GL_IBM_texture_mirrored_repeat,
>>>>>>>     GL_INGR_blend_func_separate,
>>>>>>>         GL_MESA_pack_invert, GL_MESA_texture_array,
>>>>>>>     GL_MESA_texture_signed_rgba,
>>>>>>>         GL_MESA_window_pos, GL_MESA_ycbcr_texture,
>>>>>>>     GL_NV_blend_square,
>>>>>>>         GL_NV_conditional_render, GL_NV_depth_clamp,
>>>>>>>     GL_NV_light_max_exponent,
>>>>>>>         GL_NV_packed_depth_stencil, GL_NV_primitive_restart,
>>>>>>>         GL_NV_texgen_reflection, GL_NV_texture_env_combine4,
>>>>>>>         GL_NV_texture_rectangle, GL_OES_EGL_image,
>>>>>>>     GL_OES_read_format,
>>>>>>>         GL_S3_s3tc, GL_SGIS_generate_mipmap,
>>>>>>>     GL_SGIS_texture_border_clamp,
>>>>>>>         GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod,
>>>>>>>     GL_SUN_multi_draw_arrays
>>>>>>>
>>>>>>>     20 GLX Visuals
>>>>>>>         visual  x   bf lv rg d st  colorbuffer  sr ax dp st
>>>>>>>     accumbuffer  ms  cav
>>>>>>>       id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r 
>>>>>>>     g  b  a ns b eat
>>>>>>>     ----------------------------------------------------------------------------
>>>>>>>     0x042 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x043 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0ad 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0ae 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0af 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0b0 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16
>>>>>>>     16 16 16  0 0 Slow
>>>>>>>     0x0b1 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0b2 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x0b3 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0b4 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x0b5 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0b6 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0b7 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0b8 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0b9 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16
>>>>>>>     16 16 16  0 0 Slow
>>>>>>>     0x0ba 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0bb 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x0bc 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0bd 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x080 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>
>>>>>>>     44 GLXFBConfigs:
>>>>>>>         visual  x   bf lv rg d st  colorbuffer  sr ax dp st
>>>>>>>     accumbuffer  ms  cav
>>>>>>>       id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r 
>>>>>>>     g  b  a ns b eat
>>>>>>>     ----------------------------------------------------------------------------
>>>>>>>     0x081  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x082  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x083  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x084  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x085  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x086  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x087 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x088 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x089 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x08a 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x08b  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x08c  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16
>>>>>>>     16 16  0  0 0 Slow
>>>>>>>     0x08d 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x08e 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16
>>>>>>>     16 16 16  0 0 Slow
>>>>>>>     0x08f  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x090  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x091  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x092  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x093 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x094 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x095 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x096 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x097  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x098  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x099  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x09a  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x09b  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x09c  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x09d 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x09e 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x09f 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0a0 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0a1  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0a2  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16
>>>>>>>     16 16  0  0 0 Slow
>>>>>>>     0x0a3 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  0 0 None
>>>>>>>     0x0a4 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16
>>>>>>>     16 16 16  0 0 Slow
>>>>>>>     0x0a5  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0a6  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x0a7  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0a8  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x0a9 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0aa 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>     0x0ab 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  4 1 None
>>>>>>>     0x0ac 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0 
>>>>>>>     0  0  0  8 1 None
>>>>>>>
>>>>>>>
>>>>>>>     On 10/13/2014 07:42 PM, Aashish Chaudhary wrote:
>>>>>>>>     What graphics card / graphics driver version / OS this
>>>>>>>>     system has? 
>>>>>>>>
>>>>>>>>     - Aashish
>>>>>>>>
>>>>>>>>     On Mon, Oct 13, 2014 at 1:41 PM, B.W.H. van Beest
>>>>>>>>     <bwvb at xs4all.nl <mailto:bwvb at xs4all.nl>> wrote:
>>>>>>>>
>>>>>>>>         Hi Aashish,
>>>>>>>>
>>>>>>>>         This is what I do:
>>>>>>>>         1. start paraview
>>>>>>>>         2. Sources -> Wavelet -> Apply.
>>>>>>>>              A cube is displayed (Outline representation).
>>>>>>>>         3. Select 'Volume" representation"
>>>>>>>>
>>>>>>>>         cube disappears. Then:
>>>>>>>>         =====================
>>>>>>>>         Generic Warning: In
>>>>>>>>         /usr/local/git/ParaView/VTK/Rendering/VolumeOpenGL/vtkOpenGLGPUVolumeRayCastMapper.cxx,
>>>>>>>>         line 487
>>>>>>>>         failed at glBindTexture 1 OpenGL errors detected
>>>>>>>>           0 : (1282) Invalid operation
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>         Generic Warning: In
>>>>>>>>         /usr/local/git/ParaView/VTK/Rendering/VolumeOpenGL/vtkOpenGLGPUVolumeRayCastMapper.cxx,
>>>>>>>>         line 487
>>>>>>>>         failed at glBindTexture 1 OpenGL errors detected
>>>>>>>>           0 : (1282) Invalid operation
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>         Generic Warning: In
>>>>>>>>         /usr/local/git/ParaView/VTK/Rendering/VolumeOpenGL/vtkOpenGLGPUVolumeRayCastMapper.cxx,
>>>>>>>>         line 487
>>>>>>>>         failed at glBindTexture 1 OpenGL errors detected
>>>>>>>>           0 : (1282) Invalid operation
>>>>>>>>         =========================
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>         On 10/13/2014 07:35 PM, Aashish Chaudhary wrote:
>>>>>>>>>         So when you created a wavelet source and change the
>>>>>>>>>         representation to volume you got the errors? Can you
>>>>>>>>>         post those errors? 
>>>>>>>>>
>>>>>>>>>         Thanks,
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>         On Mon, Oct 13, 2014 at 1:33 PM, B.W.H. van Beest
>>>>>>>>>         <bwvb at xs4all.nl <mailto:bwvb at xs4all.nl>> wrote:
>>>>>>>>>
>>>>>>>>>             Aashish,
>>>>>>>>>
>>>>>>>>>             Thanks for the suggestion.
>>>>>>>>>
>>>>>>>>>             However, doing this gives me all kinds of opengl
>>>>>>>>>             errors (invalid instruction).
>>>>>>>>>
>>>>>>>>>             Besides that, the wavelet gives me a cube indeed,
>>>>>>>>>             but I need to understand when
>>>>>>>>>             I can have a volume rendering. I created new
>>>>>>>>>             Source's (e.g. tri-prism, a wedge,
>>>>>>>>>             a box with boundaries of finite thickness etc.).
>>>>>>>>>             But I cannot get volume rendering
>>>>>>>>>             to work, grrrrrr. (See other thread)
>>>>>>>>>
>>>>>>>>>             Kind Regards,
>>>>>>>>>             Bertwim
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>             On 10/13/2014 05:28 PM, Aashish Chaudhary wrote:
>>>>>>>>>>             You can create a wavelet source and then display
>>>>>>>>>>             it as a volume. 
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>             On Fri, Oct 10, 2014 at 3:45 PM, B.W.H. van Beest
>>>>>>>>>>             <bwvb at xs4all.nl <mailto:bwvb at xs4all.nl>> wrote:
>>>>>>>>>>
>>>>>>>>>>                 Can perhaps somebody point me how to address
>>>>>>>>>>                 the following.
>>>>>>>>>>
>>>>>>>>>>                 When I create a new source (say: a box) I get
>>>>>>>>>>                 an a box that
>>>>>>>>>>                 can be displayed via its surfaces, its
>>>>>>>>>>                 constituing points, or wireframe
>>>>>>>>>>                 representation.
>>>>>>>>>>                 But I need a volume rendering (so that I can
>>>>>>>>>>                 add e.g. a clipping plane)
>>>>>>>>>>                 How do I get that?
>>>>>>>>>>
>>>>>>>>>>                 Regards,
>>>>>>>>>>                 Bertwim
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>                 _______________________________________________
>>>>>>>>>>                 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
>>>>>>>>>>
>>>>>>>>>>                 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/
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>         -- 
>>>>>>>>>         /| Aashish Chaudhary
>>>>>>>>>         | Technical Leader         
>>>>>>>>>         | Kitware Inc.           
>>>>>>>>>         /
>>>>>>>>>         /| http://www.kitware.com/company/team/chaudhary.html/
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>     -- 
>>>>>>>>     /| 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
>>>>>>>
>>>>>>>     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
>>>>>
>>>>>     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
>>>
>>>     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
>>
>> 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
>>
>> Follow this link to subscribe/unsubscribe:
>> http://public.kitware.com/mailman/listinfo/paraview
>

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