Hi

A couple of years ago I had a "tiling" period :) trying to reproduce
real life wood floor patterns for example, using blocks or triangles. 
I'm not an artist - just an untidy programmer so the results were 
rarely useable in scenes. This simple scene was the last one before I 
got bored :-)

On the right is a cloth pattern I saw attributed to MCEscher. On the
left I tried jpeg-friendly colours. I'll post the source if anyone
wants to play with it.

-- 
Alf

http://www.peake42.freeserve.co.uk/
http://www.qsl.net/gw3srg/

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Attachments:
Download 'Triangles.jpg' (45 KB)

Preview of image 'Triangles.jpg'

"Alf Peake" <alf### [at] peake42freeservecouk> wrote in message
news:417e2d0c@news.povray.org...
> Hi
>
> A couple of years ago I had a "tiling" period :) trying to reproduce
> real life wood floor patterns for example, using blocks or triangles.
> I'm not an artist - just an untidy programmer so the results were
> rarely useable in scenes. This simple scene was the last one before I
> got bored :-)

Interesting pattern, I kinda like it :)

> On the right is a cloth pattern I saw attributed to MCEscher. On the
> left I tried jpeg-friendly colours. I'll post the source if anyone
> wants to play with it.

You do know that an image like this gives far better in PNG than JPEG, right?
Better quality, smaller file.

cu!
--
camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local C=0
;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1
;#end#end L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
<.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x)               // ZK http://www.povplace.be.tf

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"Zeger Knaepen" wrote
>
> Interesting pattern, I kinda like it :)

Still can't figure out why Escher played with it though. I can't find 
any reference to it now with Google.

> You do know that an image like this gives far better in PNG than 
> JPEG, right?

Errr... the first conversion to 256 colours screwed the colours up. I 
had picked web-safe by mistake. Just tried optimised octree and got a 
35K file :/

Alf

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"Alf Peake" <alf### [at] peake42freeservecouk> wrote in message
news:417e61d1@news.povray.org...
> "Zeger Knaepen" wrote
> >
> > Interesting pattern, I kinda like it :)
>
> Still can't figure out why Escher played with it though. I can't find
> any reference to it now with Google.
>
> > You do know that an image like this gives far better in PNG than
> > JPEG, right?
>
> Errr... the first conversion to 256 colours screwed the colours up. I
> had picked web-safe by mistake. Just tried optimised octree and got a
> 35K file :/

You don't need to convert it to 256 colours, it might be even better if you
don't, or if you do, don't use dithering.

cu!
--
camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local C=0
;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1
;#end#end L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
<.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x)               // ZK http://www.povplace.be.tf

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> You don't need to convert it to 256 colours, it might be even better
> if you don't, or if you do, don't use dithering.

My default pov output is +fn which gives me about 110K for a file. 
+fn5 gives me around 66K. With my 38Kbps line I do try to use small 
files :)

Alf

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