POV-Ray : Newsgroups : povray.binaries.images : Weathered objects macros : Re: Weathered objects macros Server Time
1 Aug 2024 18:26:48 EDT (-0400)
  Re: Weathered objects macros  
From: Thibaut Jonckheere
Date: 18 Apr 2008 04:20:45
Message: <480859dd@news.povray.org>
Sounds really interesting !

Maybe you could provide an example scene file (the image you show here, 
or another one) where the macro is used, which could help the user to start.


Thibaut



> Phew, took a bit longer than I thought, but the include file is ready for the
> discerning public. :)
> 
> As described previously, these macros are for making mesh2 versions of simple
> shapes like bricks, spheres and so on, and applying surface displacement such
> as weathering. The weathering function takes the form of a pre-#declared
> pigment, and the resulting mesh2 can be used directly or saved to a .inc file
> for later use (and much quicker parsing).
> 
> I wrote these mainly for building structures from small, real-looking bricks and
> blocks, where high-res meshes are not vital, and render many times faster than
> the equivalent isosurfaces. There may be artifacts when these objects are
> viewed up close, and meshes of acceptable closeup quality may occupy a good
> deal of memory (from my tests, a 150-200 res mesh will yield a ~10MB .inc
> file). However, I have tried to make them as flexible as possible, so please
> punish them and let me know if they break!
> 
> The include file can be obtained here:
> 
> http://www.infradead.org/~wmp/resources/meshrelief.inc
> 
> and has more detailed instructions / descriptions as comments. I will also
> upload it to the objects collection soon. Just to show it off a little, below
> is a demo pic.
> 
> Hope this is useful to some of you out there!
> Bill
> 
> 
> ------------------------------------------------------------------------
>


Post a reply to this message

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