POV-Ray : Newsgroups : povray.general : How to make a limestone texture ? Server Time
25 Dec 2024 02:12:36 EST (-0500)
  How to make a limestone texture ? (Message 1 to 5 of 5)  
From: ALeX
Subject: How to make a limestone texture ?
Date: 30 May 2006 05:31:07
Message: <447c10db$1@news.povray.org>
(firtsly posted on p.b.s but no anser, possibly wrong group ?!)

Hi team,

looking for a while on how to make a realistic stone texture, I'm quite
lost and confused in the textures seetings of POVray. I've tried with
some normal bumps, granite or crackle but I'm quit unhappy with the results.

Does anyone of you have nice stone texture that looks like clear
limestone (not full white, but somewhat like rgb < 0.980, 0.925, 0.713>)
or some tips for me to search in the best direction ?

Thanks for any help ;-)

Cheers,


ALeX


Post a reply to this message

From: Alain
Subject: Re: How to make a limestone texture ?
Date: 31 May 2006 21:27:30
Message: <447e4282@news.povray.org>
ALeX nous apporta ses lumieres en ce 30/05/2006 05:33:
> (firtsly posted on p.b.s but no anser, possibly wrong group ?!)
> 
> Hi team,
> 
> looking for a while on how to make a realistic stone texture, I'm quite
> lost and confused in the textures seetings of POVray. I've tried with
> some normal bumps, granite or crackle but I'm quit unhappy with the 
> results.
> 
> Does anyone of you have nice stone texture that looks like clear
> limestone (not full white, but somewhat like rgb < 0.980, 0.925, 0.713>)
> or some tips for me to search in the best direction ?
> 
> Thanks for any help ;-)
> 
> Cheers,
> 
> 
> ALeX
You can start by looking in the stones1.inc, stones2.inc and texture.inc files.
Once you have a start texture, copy it in your scene. Play with the finish: specular
or phong, 
normal, reflection (keep low: <0.05), brilliance.
Change the color_map to suit your needs and wants.

-- 
Alain
-------------------------------------------------
Quakers: Let us not fight over this shit.


Post a reply to this message

From: ALeX
Subject: Re: How to make a limestone texture ?
Date: 1 Jun 2006 06:38:27
Message: <447ec3a3$1@news.povray.org>
Hi Alain,

Thanks for those tips. However I already did try all textures of 
stone*.inc but bothing looks like limestone.
But you're right, I'll try to get one from someone close from it then 
customize it.
My idea is to get a stone aspect like regular cut-stone, as for ancient 
buildings...
I'll try again...

Thanks,

ALeX


Alain wrote:
> ALeX nous apporta ses lumieres en ce 30/05/2006 05:33:
>> (firtsly posted on p.b.s but no anser, possibly wrong group ?!)
>>
>> Hi team,
>>
>> looking for a while on how to make a realistic stone texture, I'm quite
>> lost and confused in the textures seetings of POVray. I've tried with
>> some normal bumps, granite or crackle but I'm quit unhappy with the 
>> results.
>>
>> Does anyone of you have nice stone texture that looks like clear
>> limestone (not full white, but somewhat like rgb < 0.980, 0.925, 0.713>)
>> or some tips for me to search in the best direction ?
>>
>> Thanks for any help ;-)
>>
>> Cheers,
>>
>>
>> ALeX
> You can start by looking in the stones1.inc, stones2.inc and texture.inc 
> files.
> Once you have a start texture, copy it in your scene. Play with the 
> finish: specular or phong, normal, reflection (keep low: <0.05), 
> brilliance.
> Change the color_map to suit your needs and wants.
>


Post a reply to this message

From: PM 2Ring
Subject: Re: How to make a limestone texture ?
Date: 2 Jun 2006 08:05:01
Message: <web.448027aeaa14579b76ba2c900@news.povray.org>
ALeX <no_@_address> wrote:
> looking for a while on how to make a realistic stone texture, I'm quite
> lost and confused in the textures seetings of POVray. I've tried with
> some normal bumps, granite or crackle but I'm quit unhappy with the results.

> Does anyone of you have nice stone texture that looks like clear
> limestone (not full white, but somewhat like rgb < 0.980, 0.925, 0.713>)
> or some tips for me to search in the best direction ?

Normals may not be good enough to make realistic limestone, if you want to
see it up close. Unless you're just making limestone blocks that won't be
too close to the camera, I suggest using an isosurface. Normal perturbation
'disappears' in shadow. See "The shadow line artifact" in the docs. Online
at http://www.povray.org/documentation/view/3.6.1/192/

You might want to have a look in p.b.i at the sandstone I did about a month
back and play with the colours.

http://news.povray.org/povray.binaries.images/thread/%3Cweb.4450ffd4fe18178f76ba2c900@news.povray.org%3E/

Also look in p.b.scene-files for some macros that Thomas de Groot did, based
on my code.

http://news.povray.org/povray.binaries.images/thread/%3C4461eb1c%40news.povray.org%3E/


Post a reply to this message

From: ALeX
Subject: Re: How to make a limestone texture ?
Date: 9 Jun 2006 18:44:23
Message: <4489f9c7$1@news.povray.org>
Thanks for your tips. I'll chech them soon !!

Cheers,

ALeX

PM 2Ring wrote:
> ALeX <no_@_address> wrote:
>> looking for a while on how to make a realistic stone texture, I'm quite
>> lost and confused in the textures seetings of POVray. I've tried with
>> some normal bumps, granite or crackle but I'm quit unhappy with the results.
> 
>> Does anyone of you have nice stone texture that looks like clear
>> limestone (not full white, but somewhat like rgb < 0.980, 0.925, 0.713>)
>> or some tips for me to search in the best direction ?
> 
> Normals may not be good enough to make realistic limestone, if you want to
> see it up close. Unless you're just making limestone blocks that won't be
> too close to the camera, I suggest using an isosurface. Normal perturbation
> 'disappears' in shadow. See "The shadow line artifact" in the docs. Online
> at http://www.povray.org/documentation/view/3.6.1/192/
> 
> You might want to have a look in p.b.i at the sandstone I did about a month
> back and play with the colours.
> 
>
http://news.povray.org/povray.binaries.images/thread/%3Cweb.4450ffd4fe18178f76ba2c900@news.povray.org%3E/
> 
> Also look in p.b.scene-files for some macros that Thomas de Groot did, based
> on my code.
> 
>
http://news.povray.org/povray.binaries.images/thread/%3C4461eb1c%40news.povray.org%3E/
> 
> 
> 
>


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.