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From: Berserk
Subject: Povray features
Date: 14 Sep 2016 07:20:01
Message: <web.57d931929276064baf131fa80@news.povray.org>
Hello there. My name is Ivano Arrighetta and I'm Italian.
I would like to know more about povray used with FFMPEG and imagemagick
and in detail:

1) Can it capture images from scanner and/or webcam?
2) Can it do OCR?
3) Can a 2D surface be extruded?
4) Can a raster image be used as a sound? (maybe like a spectrum or so)
5) Can it do vector animations?
6) Can it generate 3D geometry?
7) Can it add 3D modifyers? (like twist, tape, bend, etc)
8) Can it synthesize audio?
9) Can it capture audio from a microphone?
10) Can it convert an audio stream to a raster image?
11) Can it capture a video from webcam or the desktop?
12) Can a video be used as a texture for a 3D surface?

Thanks in advance for any help.

Bye, Ivano.


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From: Berserk
Subject: Re: Povray features
Date: 14 Sep 2016 08:10:00
Message: <web.57d93d85aa83bb045cf7fc420@news.povray.org>
So after a little research I found answers to most questions.
The only 2 questions still unanswered are:

1) Can a raster image be used as a sound? (maybe like a spectrum or so) (I don't
know)
2) Can a video be used as a texture for a 3D surface? (I don't know)

Thanks in advance for any help.

Bye, Ivano.


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From: clipka
Subject: Re: Povray features
Date: 14 Sep 2016 08:39:49
Message: <57d94515@news.povray.org>
Am 14.09.2016 um 14:07 schrieb Berserk:
> 
> So after a little research I found answers to most questions.
> The only 2 questions still unanswered are:
> 
> 1) Can a raster image be used as a sound? (maybe like a spectrum or so) (I don't
> know)

Since POV-Ray doesn't use sounds, the obvious answer is "No" -- not as
far as POV-Ray itself is concerned.

You may find external pieces of software that can convert images to
sounds, but that's an entirely different thing then.

> 2) Can a video be used as a texture for a 3D surface? (I don't know)

There used to be experimental code to use frames of a video as textures,
but that code is currently defunct. You'd have to export the video as a
series of images, render the scene as an animation that loads the
corresponding image for each frame, and finally convert the resulting
sequence of images to a video again.


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From: Berserk
Subject: Re: Povray features
Date: 14 Sep 2016 08:45:00
Message: <web.57d9462faa83bb04c1055b8c0@news.povray.org>
After some research I found answers to most of my questions.
Here are unanswered questions:

no
1) Can it capture images from scanner and/or webcam?
2) Can it do OCR?
3) Can it do vector animations?
4) Can it import and export 3D geometry? (like .obj or so)

don't know
1) Can a raster image be used as a sound? (maybe like a spectrum or so)
2) Can it capture audio from a microphone?
3) Can a video be used as a texture for a 3D surface?

Note these questions are not about Pov-Ray alone, but used with FFMPEG, SoX and
ImageMagick.

Bye, Ivano.


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From: Berserk
Subject: Re: Povray features
Date: 14 Sep 2016 09:10:01
Message: <web.57d94b98aa83bb04844d19a00@news.povray.org>
Sorry for too much posting.
The only unanswered question remaining is:
1) Can a video be used as a texture for a 3D surface?

Thanks in advance for any help.

Bye, Ivano.


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From: tth
Subject: Re: Povray features
Date: 14 Sep 2016 09:26:11
Message: <57d94ff3$1@news.povray.org>
On 09/14/2016 03:07 PM, Berserk wrote:
>
> Sorry for too much posting.
> The only unanswered question remaining is:
> 1) Can a video be used as a texture for a 3D surface?

    Somethink like that ?
           http://la.buvette.org/vrac/composite.avi


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From: scott
Subject: Re: Povray features
Date: 14 Sep 2016 10:16:16
Message: <57d95bb0$1@news.povray.org>
> Sorry for too much posting.
> The only unanswered question remaining is:
> 1) Can a video be used as a texture for a 3D surface?
>
> Thanks in advance for any help.

Not directly using only POV, no.

But as clipka already said, you can convert the video to a series of 
image files using an external program (I use avisynth, but there are 
surely others).

In your POV scene, when rendering the animation, you then select which 
image to load based on the time.


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From: Bald Eagle
Subject: Re: Povray features
Date: 14 Sep 2016 12:10:01
Message: <web.57d975c9aa83bb04b488d9aa0@news.povray.org>
tth <tth### [at] noneinvalid> wrote:

>     Somethink like that ?
>            http://la.buvette.org/vrac/composite.avi

That is wicked cool.
A very nice effect that probably took a lot of work to get to work, and likely a
lot of rendering and post-processing time to make into the full animation.

Very nice work.


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From: Berserk
Subject: Re: Povray features
Date: 14 Sep 2016 12:50:01
Message: <web.57d97ee7aa83bb04f7739dda0@news.povray.org>
Thanks everyone for the replyes.


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From: Berserk
Subject: Re: Povray features
Date: 14 Sep 2016 13:30:01
Message: <web.57d987e8aa83bb04f7739dda0@news.povray.org>
tth <tth### [at] noneinvalid> wrote:
> On 09/14/2016 03:07 PM, Berserk wrote:
> >
> > Sorry for too much posting.
> > The only unanswered question remaining is:
> > 1) Can a video be used as a texture for a 3D surface?
>
>     Somethink like that ?
>            http://la.buvette.org/vrac/composite.avi

Yes, exactly


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