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Subject: 
Re: Texture mapping spec? (was Re: Doing Patterns and Bitmaps in MLCad)
Newsgroups: 
lugnet.cad.mlcad, lugnet.cad.dev
Date: 
Wed, 6 Sep 2000 19:38:52 GMT
Viewed: 
2492 times
  
"Steve Bliss" <steve.bliss@home.com> wrote in message
news:4gvcrs8kb1v5s0ndgg18619ropc62foh9p@4ax.com...
In lugnet.cad.mlcad, Farlie A wrote:

In lugnet.cad.mlcad, Steve Bliss writes:
Urg.  Why so wordy?  Just do:

Sorry, Computing course at college showing through. (We were told try and
specify EVERYTHING. Unfotunatly there is no concrete defintion of what
EVREYTHING is.)

:)  I know what you mean.

I am inclinded to agree with your suggestion above, but are they able to • cope
with 'nested' textures such as those included by line type 1?

Hmm.  There shouldn't be any need for 'nested' textures.  Or is 'nested
texturing' an area of texture-mapping that I don't know about?

I can't think of any reason to "nest" textures.  The only reasons I know of
to draw multiple textures over one another are to produce different effects
(such as lighting, water ripples, etc.).  Since all the textures that show
up on LEGO pieces are, by definition, static, I wouldn't think that
multi-pass texturing would be needed.

In addition, even if the DAT version of a texture contains other DAT files
which contain sub-textures (say, to produce a repeating pattern), the bitmap
representation at the top level would have to contain the composite texture
which would automatically include any sub-textures.  In this case, it would
seem that it would usually be more reasonable to just skip the top-level
texture declaration and just allow the sub-textures to be drawn.

--Travis Cobbs (tcobbs@san.REMOVE.rr.com)



Message has 1 Reply:
  Re: Texture mapping spec? (was Re: Doing Patterns and Bitmaps in MLCad)
 
(...) This is what I meant by nested textres.- sub-textures. (...) You are right, I was wrong. However a more complex texture could be built up from simpler ones.(I.E No top level texture The sub texture being made up from simpler 'bitmaps') - This (...) (24 years ago, 6-Sep-00, to lugnet.cad.mlcad, lugnet.cad.dev)

Message is in Reply To:
  Re: Texture mapping spec? (was Re: Doing Patterns and Bitmaps in MLCad)
 
(...) :) I know what you mean. (...) Hmm. There shouldn't be any need for 'nested' textures. Or is 'nested texturing' an area of texture-mapping that I don't know about? Steve (24 years ago, 6-Sep-00, to lugnet.cad.mlcad, lugnet.cad.dev)

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