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From: Simon Lemieux
Subject: POV-Ray VS MegaPOV
Date: 19 Oct 2000 16:19:15
Message: <39EF5798.59CB27F5@yahoo.com>
Hi,
	I was just wondering about the difference of them both...  I'm currently using
POV-Ray on Linux and one thing I need that it doesn't actually provide is the
isosurfaces...
	What are other differences?

Thanks,
	Simon

-- 
+-------------------------+----------------------------------+
| Simon Lemieux           | Website : http://www.666Mhz.net  |
| Email : Sin### [at] 666Mhznet | POV-Ray, OpenGL, C++ and more... |
+-------------------------+----------------------------------+


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From: Christoph Hormann
Subject: Re: POV-Ray VS MegaPOV
Date: 19 Oct 2000 16:27:39
Message: <39EF593B.8AC06BB7@schunter.etc.tu-bs.de>
Simon Lemieux wrote:
> 
> Hi,
>         I was just wondering about the difference of them both...  I'm currently
using
> POV-Ray on Linux and one thing I need that it doesn't actually provide is the
> isosurfaces...
>         What are other differences?
> 
> Thanks,
>         Simon
> 

Have a look at the meagpov docu available on the megapov website.  All additions
are documented there.  

http://nathan.kopp.com/patched.htm

there is also a compact feature list on that page.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/


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From: Simon Lemieux
Subject: Re: POV-Ray VS MegaPOV
Date: 19 Oct 2000 17:58:38
Message: <39EF6EE6.683C98B@yahoo.com>
Hmm.. I took a look, and since it's a patch, does it means it works the same way
as POV-Ray, I mean for the command line options (except for radiosity which
might be a bit different...)

Can I render POV-Ray files with MegaPOV?


-- 
+-------------------------+----------------------------------+
| Simon Lemieux           | Website : http://www.666Mhz.net  |
| Email : Sin### [at] 666Mhznet | POV-Ray, OpenGL, C++ and more... |
+-------------------------+----------------------------------+


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From: Margus Ramst
Subject: Re: POV-Ray VS MegaPOV
Date: 19 Oct 2000 20:07:49
Message: <39EF7EAE.93AD3385@peak.edu.ee>
Simon Lemieux wrote:
> 
> Can I render POV-Ray files with MegaPOV?
> 

Yes. Although I believe a few features, e.g. radiosity, are not fully
backwards-compatible.

-- 
Margus Ramst

Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg


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From: Chris Huff
Subject: Re: POV-Ray VS MegaPOV
Date: 19 Oct 2000 21:20:26
Message: <chrishuff-67EDD6.20231319102000@news.povray.org>
In article <39EF7EAE.93AD3385@peak.edu.ee>, Margus Ramst 
<mar### [at] peakeduee> wrote:

> Yes. Although I believe a few features, e.g. radiosity, are not fully
> backwards-compatible.

Radiosity will require completely different settings, anything which 
uses noise(bozo, wrinkles, agate, and many other patterns, things like 
turbulence and iridescence) will look slightly different...I think 
that's it.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

<><


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From: Nathan Kopp
Subject: Re: POV-Ray VS MegaPOV
Date: 19 Oct 2000 23:25:39
Message: <39efbb33$1@news.povray.org>
"Chris Huff" <chr### [at] maccom> wrote...
> In article <39EF7EAE.93AD3385@peak.edu.ee>, Margus Ramst
> <mar### [at] peakeduee> wrote:
>
> > Yes. Although I believe a few features, e.g. radiosity, are not fully
> > backwards-compatible.
>
> Radiosity will require completely different settings, anything which
> uses noise(bozo, wrinkles, agate, and many other patterns, things like
> turbulence and iridescence) will look slightly different...I think
> that's it.

Don't forget layered textures.

Also, you can make the noise and layered textures backwards compatible by
putting "#version official 3.1" at the END of you POV file.

-Nathan


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From: Francois Labreque
Subject: Re: POV-Ray VS MegaPOV
Date: 20 Oct 2000 01:49:27
Message: <39EFDB8F.34B771B0@attglobal.net>
Simon Lemieux wrote:
> 
> Hmm.. I took a look, and since it's a patch, does it means it works the same way
> as POV-Ray, I mean for the command line options (except for radiosity which
> might be a bit different...)
> 
> Can I render POV-Ray files with MegaPOV?
> 

Yes, but...

- as others have pointed out, some textures will show up differently.
- TheMachine.Pov* doesn't even parse in MP 0.5a. (It barfs at the macro
definition on line 115.)

*I'm still on the first line of the first radiosity pass at 1024x768
AA0.3 after 1 hour on an Athlon 650. :(
-- 
Francois Labreque | The surest sign of the existence of extra-
     flabreq      | terrestrial intelligence is that they never
        @         | bothered to come down here and visit us!
  attglobal.net                                  - Calvin


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From: Tom Melly
Subject: Re: POV-Ray VS MegaPOV
Date: 20 Oct 2000 04:33:51
Message: <39f0036f@news.povray.org>
"Simon Lemieux" <lem### [at] yahoocom> wrote in message
news:39EF5798.59CB27F5@yahoo.com...
> Hi,
> I was just wondering about the difference of them both...  I'm currently
using
> POV-Ray on Linux and one thing I need that it doesn't actually provide is
the
> isosurfaces...
> What are other differences?
>

Apart from isosurfaces, IMHO the most useful feature of MP is "trace".


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From: Mike Williams
Subject: Re: POV-Ray VS MegaPOV
Date: 20 Oct 2000 14:00:24
Message: <3EAG8JA15G85Ew6I@econym.demon.co.uk>
Wasn't it Chris Huff who wrote:
>In article <39EF7EAE.93AD3385@peak.edu.ee>, Margus Ramst 
><mar### [at] peakeduee> wrote:
>
>> Yes. Although I believe a few features, e.g. radiosity, are not fully
>> backwards-compatible.
>
>Radiosity will require completely different settings, anything which 
>uses noise(bozo, wrinkles, agate, and many other patterns, things like 
>turbulence and iridescence) will look slightly different...I think 
>that's it.
>

There are a few extra reserved words. I found that a lot of my old POV-
Ray scenes needed to be modified because they used "r" as a variable.

The new faster #macro implementation won't handle nested #macros,
whereas POV-Ray does handle them. I.e. you must #end one #macro before
you start defining the next one.

-- 
Mike Williams
Gentleman of Leisure


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From: Phil Clute
Subject: Re: POV-Ray VS MegaPOV
Date: 20 Oct 2000 14:50:22
Message: <39F09481.AF1BA5F0@tiac.net>
> Apart from isosurfaces, IMHO the most useful feature of MP is "trace".
> 

Photons gets quite a bit of use too. A lot of the features are flavor
of the month, but they sure are fun.

-- 
Phil
...coffee?...yes please! extra sugar,extra cream...Thank you.


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