POV-Ray : Newsgroups : povray.general : [Q]: what's about *.df3 file format Server Time
13 Aug 2024 07:17:47 EDT (-0400)
  [Q]: what's about *.df3 file format (Message 1 to 3 of 3)  
From: ReVerSi
Subject: [Q]: what's about *.df3 file format
Date: 3 Nov 1998 07:27:28
Message: <363EF682.D98@t-online.de>
Hi everyone,

ok, I confess: I've not read POV-Ray 3.1 Documentation in detail yet.
Currently I'm inserting some modifications (e.g links from keyword list
to the appropriate sections like it has been in PoV 3.0x documentation,
links to keyword list from every page, incorporation of additional
keywords from superpatch etc.)

Doing this work I found a keyword, I never heard about yet, but got
fascinated at once though: density_file. I rendered the two files, the
documentation provides to this theme and I intuitively feel, that there
could be a lot of interesting possibilities in this feature, if I only
could understand, what's about these mysterious *.df3 files.
Therefore my question: How to create these kind of files, are there
special programs, utilities or whatever and can anyone tell me more
details about their syntax.

Thanks in advance

ReVerSi


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From: Margus Ramst
Subject: Re: [Q]: what's about *.df3 file format
Date: 3 Nov 1998 12:01:08
Message: <363F36FB.6E20756@peak.edu.ee>
ReVerSi wrote:

> How to create these kind of files, are there
> special programs, utilities or whatever and can anyone tell me more
> details about their syntax.
> 
> Thanks in advance
> 
> ReVerSi

There is a program which creates df3 files from tga images. Don't remember who
exactly wrote it, but you can find links to it from these newsgroups. I am also
writing a program to do this (but it also reads bmp and raw and does grayscale
conversion)
The df3 format itself is very simple: raw binary rgb data from all the images,
preceded by a 6-byte header. The header consists of 3 16-bit integers with the
high-order byte first. These give the X, Y and Z dimensions of the df3 file.
Btw. there is a description of the format in the manual, too.

Margus


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From: ReVerSi
Subject: Re: [Q]: what's about *.df3 file format
Date: 3 Nov 1998 14:18:05
Message: <363F56C8.4716@t-online.de>
Margus Ramst wrote:
......
> There is a program which creates df3 files from tga images. Don't remember who
> exactly wrote it, but you can find links to it from these newsgroups.
Thanks, I've found tga2df3.exe in povray.binaries.utilities written by
PoD.
 
>I am also
> writing a program to do this (but it also reads bmp and raw and does grayscale
> conversion)

Could you be so kind to mail me, if you are ready with that (but please
do'nt feel hunted at all ;) ).
I think ther's a lot of stuff to play with next days.

ReVerSi


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