POV-Ray : Newsgroups : povray.binaries.images : WIP A kind greeble ? : Re: WIP A kind greeble ? Server Time
5 Nov 2024 10:23:28 EST (-0500)
  Re: WIP A kind greeble ?  
From: Data Banks
Date: 19 Oct 2006 05:41:45
Message: <45374859@news.povray.org>
"Bob Frew" <bob### [at] ntlworldcom> wrote in message 
news:4536a6d6@news.povray.org...
>I had previously had a go, at creating "content" that looked "meaningful" , 
>without much joy.
> Having seen the images from Zeger I thought YES !!! and WOW !!!. However I 
> couldn't get the macro to work.
> So with the new (to me) thought of using subdivided cells to create the 
> "randomness" I have written a couple of macros.
>
> The subdividing macro divides a given rectangle a number of times and sets 
> up the vectors for each corner of each created rectangle at all levels of 
> subdivision.
> Another macro allows you to set up objects in the cells at the lowest 
> level,
> Object need to be able to fit in a box  { <-0.5, 0, -0.5>, <0.5, 1, 0.5> }
>
> The output cells can be restricted to the shape of an arbitrary object 
> that crosses the y=0 plane. So your end "greebled plate" does not need to 
> rectangular.
> A "coverage" percentage is also applied so you can fill only a proportion 
> of cells if you wish.
> A setup macro is called to handle the getting of the required object, 
> scaling and texturing (so you can tailor all that to what you're trying to 
> produce.
>
> The attached dodeca~ and hexagon use the same array of objects for each 
> face, but with differing parameters.
> The "roadways" can be created for the cells at any level.
>
> Because all the corners are known, you know the shape/size of each cell so 
> you can apply your own rules to suit e.g. have multiples in a cell or 
> decide not to bother if the shape is silly.
>
> The piccies are only test pieces. (One day I'll build a nice interstellar 
> thingy)
> Thoughts welcome  ... Bob
>
>
>
Looks like something electronic? Exposed circuitboards in the open cavity of 
a robot/android, perhaps? Well, whatever people use it for, I like it :) 
The largest otem you posted looks like maybe a nanite? The second, some sort 
of electronic pass or key?


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