[Paraview] stereo menu was ignored?

[Utkarsh Ayachit]

You make very compelling points. It definitely makes sense to add such
an option -- at least when not connected to a parallel/remote server.
If I remember correctly, IceT doesn't do well with stereo. I am going
to add a feature request to the bug tracker.

Utkarsh

On Wed, Feb 3, 2010 at 3:15 PM, Evan Bollig <bollig at gmail.com> wrote:
> I dont agree. Opening in Stereo mode is safe even if it is not used
> (it consumes a small amount of memory, but so what). Everything is 2D
> if no GL commands render to back left/right buffers (i.e., the GL_BACK
> buffer is always available). If you need to verify that the hardware
> supports GL_STEREO, use glGetBoolean*() (or glGetInteger*() with
> GL_AUX_BUFFERS to know if quad buffers are available) and initialize
> GL_STEREO only on machines that can support it.
>
> Why would you want the user to restart paraview if maybe they dont
> know their hardware and they arent sure which stereo mode to use?  No!
> Give them a menu option and keep them inside your software. Keep in
> mind that if I and many others like me have to stop a program, modify
> command line options and restart the application to get the right
> environment, the whole process should take less than 10 seconds and it
> must be FULLY documented or I give up and find an application that
> does it better (more intuitive) with less pain.
>
> More reason for a stereo menu: how do you propose control of
> properties like Eye Separation?  Clearly the users wont know what
> parameter to use until the software is running. Dont make them restart
> 50 times until they get the parameter just right. Thats absurd!
>
> Another problem: say Im in CrystalEyes mode and I want to export a
> movie. There are plenty of stereoscopic display solutions available
> today. 3D computer screens, 3D movies, 3D TVs, 3D television channels.
> Why cant ParaView export to stereoscopic movie formats (JPS/MPO AVI
> format perhaps)? On top of that, if Im in CrystalEyes and I know the
> stereo looks good, why cant I export a Stereoscopic movie AND an
> anaglyph movie AND a 2D movie so my results can be viewed by audiences
> with any capability?
>
> I just started playing with ParaViewGeo's SlideShow capabilities. Did
> you know the slides also show in stereo? We're talking full 3D
> stereoscopic presentations of scientific results *without* swapping
> applications. Why havent you guys looked into integrating all of this?
>
> -Evan
>
>
>
> On Wed, Feb 3, 2010 at 2:53 PM, Utkarsh Ayachit
> <utkarsh.ayachit at kitware.com> wrote:
>> ParaView CVS (and 3.8 onwards ) has a command line option
>> --stereo-type which allows you to choose the stereo type. It's not
>> really safe to change the stereo type after ParaView has been started
>> (rather views have been created) since for things like Crystal Eyes,
>> the option must be enabled before the rendering context is created.
>> Hence, we've made it a command line option.
>>
>> Utkarsh
>>
>> On Wed, Feb 3, 2010 at 2:50 PM, Evan Bollig <bollig at gmail.com> wrote:
>>> What does that mean regarding the plugin. Does a plugin exist already
>>> or will it need to be written?
>>>
>>> -Evan
>>>
>>> On Wed, Feb 3, 2010 at 2:07 PM, Robert Maynard <RobertJMaynard at gmail.com> wrote:
>>>> I meant to say 3.4 and 3.6 instead of 2.4 and 2.6.
>>>>
>>>> On Wed, Feb 3, 2010 at 2:02 PM, Robert Maynard <RobertJMaynard at gmail.com>
>>>> wrote:
>>>>>
>>>>> The patch that I have submitted was for 2.4 code base, with 2.6 all that
>>>>> is needed is a custom toolbar plugin that calls setStereoType on the
>>>>> currently active view.
>>>>>
>>>>> On Wed, Feb 3, 2010 at 1:45 PM, Evan Bollig <bollig at gmail.com> wrote:
>>>>>>
>>>>>> I see that ParaViewGeo has a stereo menu to allow users to select
>>>>>> CrystalEyes / Anaglyph stereo modes while paraview is running (NOTE:
>>>>>> without requiring a --stereo flag on the command line). It seems that
>>>>>> one developer: Robert Maynard created the stereo menu and sent the
>>>>>> source code (Stereo.zip) to the ITK mailing list on 9/29/2008. From
>>>>>> what I can tell this message was ignored and no one attempted to
>>>>>> integrate the menu into any other applications related to
>>>>>> Paraview/ITK.
>>>>>>
>>>>>> Why?
>>>>>>
>>>>>> It seems obvious that this is something users need and want. We will
>>>>>> be using ParaViewGeo instead of ParaView until something like this is
>>>>>> added.
>>>>>>
>>>>>> -Evan Bollig
>>>>>>
>>>>>> --
>>>>>> -Evan Bollig
>>>>>> bollig at gmail.com
>>>>>> bollig at scs.fsu.edu
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>>>>>
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> -Evan Bollig
>>> bollig at gmail.com
>>> bollig at scs.fsu.edu
>>> _______________________________________________
>>> 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
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>>
>
>
>
> --
> -Evan Bollig
> bollig at gmail.com
> bollig at scs.fsu.edu
>