comp.graphics.rendering.raytracing Google Group

stochastic algorithm query?

use...@ray.bellis.me.uk (Ray Bellis) — Sat, 08 Aug 2008 22:05:20 UT

Like many before me, I've written a ray-tracer, just for fun.
The intention was to experiment with stochastic techniques for things like
area lights, etc. The deterministic version works fine, but for the
stochastic version I can't find any decent reference material on how to
handle diffuse inter-reflection.

Re: status of raytracing

kalle.l...@gmail.com (kalle.last@gmail.com) — Fri, 08 Aug 2008 07:49:56 UT

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status of raytracing

slalomsk...@gmail.com (slalomsk8er) — Thu, 08 Aug 2008 20:43:00 UT

I saw all the shiny things that intel does in the news and am wondering
what other not so hyped project are doing?
So what is going on at the moment with all does multi core CPUs in the
hands of us mere mortals?

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corinne.rid...@gmail.com — Thu, 08 Aug 2008 21:17:56 UT

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Re: pov-ray: Interesect finite object with half space

lil...@dcccd.edu (Lilith) — Thu, 08 Aug 2008 14:10:51 UT

On Sun, 06 Jul 2008 19:46:10 -0700, S M Ryan
Isn't that what clipped_by {} is for?

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Re: pov-ray: Interesect finite object with half space

wyrm...@romeo-alfa-whiskey-bravo-whiskey.com (S M Ryan) — Mon, 07 Jul 2008 04:48:47 UT

In article <m6RycQHzxYcIF...@econym.demon .co.uk>,
Thanks. A quick check shows the direction the normal vector points to is the
outside half space.

Re: pov-ray: Interesect finite object with half space

nos...@econym.demon.co.uk (Mike Williams) — Mon, 07 Jul 2008 03:24:35 UT

Intersect it with the plane. One side of a plane is the "inside" and the
other is the "outside" for the purpose of CSG.
Which side of the plane is the "inside" isn't intuitively obvious, and
whenever I try to work it out I always end up getting it wrong. However,
since there are only two sides to choose from, you can try one and when

pov-ray: Interesect finite object with half space

wyrm...@romeo-alfa-whiskey-bravo-whiskey.com (S M Ryan) — Mon, 07 Jul 2008 02:46:10 UT

I want to intersect a finite object with the half space above or below a plane.
The only thing I can think of is a box that big enough so that only one side
(representing the plane) intersect the object the the other faces are outside
the object; but that requires figuring out a just large enough box. Are there

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Re: graphic ripper?

mi...@gnu.org (Miles Bader) — Sat, 05 May 2008 06:25:02 UT

Note: that post was spam; the tool mention probably sucks massively
-Miles

Re: graphic ripper?

jul...@tampabay.remover.rr.com (Matt Giwer) — Sat, 05 May 2008 02:07:45 UT

Probably not although I didn't bother searching for the price. There are many
formats listed that browsers can grab and ones that are rarely encountered by
TIFF.
A better place to start is what you want to capture and why? If it is only
one or two things then there is likely a better way.