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Jim Kress schrieb in Nachricht <36d9d4f2.0@news.povray.org>...
>The only annoying thing I run into when using POV-ray is the inability to
>preview my scenes. I spend a seemingly endless amount of time rendering,
>re-rendering, re-rendering,... just to get the camera and lighting position
>I need.
>
>OpenGL offers an easy to implement, raster scan technology that could be
>(easily?) implemented in POV-Ray. It would be ideal for generating
previews
>so the user could determine camera, lighting, etc and then do the final
>render with the ray-tracer. If I knew how to do C++, I'd do it myself but
>since I don't, is there anyone out there who would like to add this
>IMMENSELY useful feature to POV?
Like others said, OpenGL is not available on all platforms and previews like
that should really be done in a modeller. An OpenGL modeller would be Breeze
or Calimax. Why don't you try those? Of course, they are Windows only, but
most modellers are platform specific anyway.
The only thing easier to implement would be a wireframe preview, but the you
could just as well use the existing POV-Ray preview modes. They are good
enough to preview placement and lighting. And they are fast enough.
--
Rudy Velthuis
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Platinum has just announced that the source code for their VRML renderer
COSMO (based on OpenGL) is now public domain. With a POV to VRML
translator/ interface (I remember seeing one mentioned in an earlier thread)
and the COSMO code there could be a mechanism to provide a viewing
capability by reusing existing code.
Too obtuse/ convoluted?
--
Jim
Check out my web site http://www.kressworks.com/
It'll blow your mind (politically), stimulate your senses (artistically)
and provide scientific insights beyond compare!
Be sure to read the Warp maintained POV VFAQ:
http://iki.fi/warp/povVFAQ.html
povray.org admin team wrote in message <36da5e64.2887390@news.povray.org>...
>"Jim Kress" <jim### [at] dccmail com> wrote:
>
>>OpenGL offers an easy to implement, raster scan technology that could be
>>(easily?) implemented in POV-Ray. It would be ideal for generating
previews
>>so the user could determine camera, lighting, etc and then do the final
>>render with the ray-tracer. If I knew how to do C++, I'd do it myself but
>>since I don't, is there anyone out there who would like to add this
>>IMMENSELY useful feature to POV?
>
>Don't think we haven't thought of this. But it would be -very- difficult.
>
>OpenGL is totally different to POV in that it only implements a few
primitives,
>and basically requires that any complex object be built up from polygons.
>
>POV, on the other hand, supports an extensive set of primitives, plus other
>advanced things such as CSG (performing CSG on polygon meshes is not
trivial).
>
>To make a OpenGL preview, we would have to write code for each and every
>primitive that POV supports, that would convert an instance of that
primitive
>into a form suitable for use in OpenGL, plus, probably do the CSG as well
>(unless we can factor it into the conversion process - thus leveraging the
>existing CSG code in POV).
>
>It's certainly high on my wish list for 4.0 but there's no telling if it
will
>ever happen.
>
>However, if there's any good C/C++ programmers out there who want to
volunteer
>to add such support to the existing 3.1d codebase ...
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What about mosaic preview. Isn't that good enough? (+SPn +EPn switches)
Alberto.
Jim Kress wrote:
> The only annoying thing I run into when using POV-ray is the inability to
> preview my scenes. I spend a seemingly endless amount of time rendering,
> re-rendering, re-rendering,... just to get the camera and lighting position
> I need.
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What I'm looking for is a previewer that will allow real time rotation,
translation, light positioning, camera positioning, etc. with real time
rendering of the scene while every change is being made. Kind of like using
a VRML viewer. It appears the known universe is satisfied with using the
existing modelers so if I want this, I'll have to do it myself ... :(
--
Jim
Check out my web site http://www.kressworks.com/
It'll blow your mind (politically), stimulate your senses (artistically)
and provide scientific insights beyond compare!
Be sure to read the Warp maintained POV VFAQ:
http://iki.fi/warp/povVFAQ.html
Alberto Mendoza wrote in message <36DB5876.45ED6670@usb.ve>...
>What about mosaic preview. Isn't that good enough? (+SPn +EPn switches)
>Alberto.
>
>Jim Kress wrote:
>
>> The only annoying thing I run into when using POV-ray is the inability to
>> preview my scenes. I spend a seemingly endless amount of time rendering,
>> re-rendering, re-rendering,... just to get the camera and lighting
position
>> I need.
>
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> However, if there's any good C/C++ programmers out there who want to volunteer
> to add such support to the existing 3.1d codebase ...
Don't know if good, but I'am working on it.
It will use triangular meshes with infinite faces (infinite primitives
support). I want use it in my POV modeller but if you will like it ...
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Great!
If you need some help with testing, please let me know!
--
Jim
Check out my web site http://www.kressworks.com/
It'll blow your mind (politically), stimulate your senses (artistically)
and provide scientific insights beyond compare!
Be sure to read the Warp maintained POV VFAQ:
http://iki.fi/warp/povVFAQ.html
Disnel wrote in message <36DD1FD2.BC233D7E@linux.itam.cas.cz>...
>> However, if there's any good C/C++ programmers out there who want to
volunteer
>> to add such support to the existing 3.1d codebase ...
>
>Don't know if good, but I'am working on it.
>It will use triangular meshes with infinite faces (infinite primitives
>support). I want use it in my POV modeller but if you will like it ...
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On Wed, 3 Mar 1999 11:39:40 -0500, "Jim Kress" <jim### [at] dccmailcom>
wrote:
>Great!
>
>If you need some help with testing, please let me know!
>
Ditto (assuming a Windows OS)
Cheers,
Cliff Bowman
Why not pay my 3D Dr Who site a visit at
http://www.geocities.com/Area51/Dimension/7855/
PS change ".duffnet" to ".net" if replying via e-mail
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Jim Kress wrote:
>
> Great!
>
> If you need some help with testing, please let me know!
>
Sure, but it will take some time, I'am now very busy
in school, so main work will be done in holidays.
You can look at my homepage (http://linux.itam.cas.cz/homepages/disnel),
there are 3 screenshots from old version (without infinite faces).
Disnel
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Disnel <dis### [at] linuxitamcascz> wrote:
>It will use triangular meshes with infinite faces (infinite primitives
>support). I want use it in my POV modeller but if you will like it ...
Please keep me updated. If it's able to take a POV primitive definition and
turn it into a mesh in memory, I'd be very interested.
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> Please keep me updated. If it's able to take a POV primitive definition and
> turn it into a mesh in memory, I'd be very interested.
Sure, but as I told here before now I'am very occupied in school, so
main work will be in holidays....
Disnel
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