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In article <397DB98D.FDD8D770@schunter.etc.tu-bs.de>,
chr### [at] gmx de wrote:
> You must have a really fast computer to suggest those things...
Well, depends on whether or not you consider a 266MHz PowerPC G3 "really
fast". I would call it "fairly fast", and more than adequate for most
uses, but for real number-crunching, you should get a 450MHz G4
Cube...or one of the dual-G4 Power Macs. :-)
> Another nice thing about real 3d-erosion would be that you could
> easily add support for layers of different materials with different
> erodability, you could also think of tectonics, but i would suggest
> to by lots of RAM and a really fast CPU first :-)
*Lots* of ram...since a 3df file is simply 256-bit grayscale, you would
need separate 3df files to specify those other variables. And to get a
large landscape, you would need a fairly high-res landscape file(the
others, like erodability maps, could be much lower resolution).
A 256*64*256 file would equal 4MB...3df doesn't have any compression.
And 512*128*512 would be 32MB. Good thing interpolation is available. :-)
It would help if someone developed a 3D-PNG format...3ng?...though RAM
would still be a problem. I have 96MB, and have bumped into the RAM
barrier a couple times(I have virtual memory set to the minimum, for
speed reasons).
--
Christopher James Huff - Personal e-mail: chr### [at] mac com
TAG(Technical Assistance Group) e-mail: chr### [at] tag povray org
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/
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