POV-Ray : Newsgroups : povray.programming : New UVPov : Re: New UVPov Server Time
29 Jul 2024 02:29:35 EDT (-0400)
  Re: New UVPov  
From: Nathan Kopp
Date: 2 Nov 1998 14:40:16
Message: <363E0A1C.307C6D35@Kopp.com>
The "reset_children" warp provides the same functionality that the Daren's
warp_map_only patch was trying to do.  In fact, the concept for this feature
came in part from Daren's patch.  However, his patch has some bugs.
You see, POV translates, scales, and rotates textures by using warps.
So, if you say "warp_map_only", then the sub-textures do not get
transformed at all.  This is not good, because when you transform an
object, POV also transforms the object's textures (using warps) to make
the textures follow the object.  Example:
object{
  MyObject
  texture { MyTex }
  translate 10   // this translate becomes a warp in the texture
}

Well, if you don't warp the sub-textures at all, they will not get
translated with the object.  :(

My patch only stops some of the warping of the children, and maintains
all of the warps that are associated with object transformations.  I have
emailed Daren Scot Wilson about this, although I should give him some
credit on my web page.

-Nathan Kopp

Zan Trajkov wrote:
> 
>  Is 'reset_children warp' the same function like the 'WARP MAP ONLY' - Patch
> from PatchStation from Daren Scot Wilson ?
> 
> I think, this is the same function or are there differences between both
> patches??
> 
> Zan Trajkov


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