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Mnnn smells good :)
suggestion: soil fertility based on pigment determining color and growth.
Marc
3e2d602e@news.povray.org...
> Yes I plan on making it available.
>
> features (at the moment):
> -Two methods of placement (random scatter and grid)
> -Use of pigment for placement
> -All blades are unique with random bend and length
> -Everything is traced
>
> features (I plan on adding):
> -more control over the properties of the blades (At the moment it's only
> setup for my irtc entry)
> -color control
> -wind
> -I'm taking suggestions
>
> --
> Kevin
> http://www.geocities.com/qsquared_1999/
> #macro _(r)#if(r<12)#local i=asc(substr("oqshil
> acefg",r,1))-97;disc{<mod(i,7)-3,div(i,7)-1,6>,z,.4
> pigment{rgb 10}}_(r+1)#end#end _(1)//KL
>
>
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Looks very nice.
Something that I've been experimenting with using GT's grass macro is to
create a set of green grass, and then a set of dead grass within it, by
simply making them both occupy the same space. The end result seems to look
much more realistic. Probably by adding some yellowish, some brown, etc.,
the realism could even be enhanced further.
I could post an example, if I can ever figure out how to get my newsreader
working... :-/
Slash
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"Kevin Loney" <klo### [at] pt2m com> wrote
> -I'm taking suggestions
-Animatable wind
-Animatable growth, seasonal colors and geometry
-One of those solar powered automatic mowers
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Slashdolt <nomail@nomail> wrote in message
news:web.3e2d7cd28cb0cca55543301f0@news.povray.org...
> Looks very nice.
>
> Something that I've been experimenting with using GT's grass macro is to
> create a set of green grass, and then a set of dead grass within it, by
> simply making them both occupy the same space. The end result seems to
look
> much more realistic. Probably by adding some yellowish, some brown, etc.,
> the realism could even be enhanced further.
>
> I could post an example, if I can ever figure out how to get my newsreader
> working... :-/
>
> Slash
>
>
>
thats a good idea. it seems shorter, young blades of grass are whitish-green
in color. the random length that is in this macro would be accentuated with
color variation, i think.
ross
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"Kevin Loney" <klo### [at] pt2mcom> wrote in message
news:3e2cdf5f@news.povray.org...
> something I'm working on for my irtc entry. 5000 blades of grass, less
than
> 20 minutes to render. comments, criticisms, suggestions?
>
Looks very nice. How many triangles per blade of grass?
-Shay
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Shay wrote:
>
>Looks very nice. How many triangles per blade of grass?
>
> -Shay
>
Who said anything about triangles =) Each blade is a union of four cones, I
plan on changing it to meshes however, cones were easier to implement at
the time.
--
Kevin
http://www.geocities.com/qsquared_1999/
#macro _(r)#if(r<12)#local i=asc(substr("oqshil
acefg",r,1))-97;disc{<mod(i,7)-3,div(i,7)-1,6>,z,.4
pigment{rgb 10}}_(r+1)#end#end _(1)//KL
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On Tue, 21 Jan 2003 15:45:22 EST, Carn wrote:
> Shay wrote:
>>
>>Looks very nice. How many triangles per blade of grass?
>>
>> -Shay
>>
>
> Who said anything about triangles =) Each blade is a union of four cones, I
> plan on changing it to meshes however, cones were easier to implement at
> the time.
Try sphere_sweeps. It would be slow but look great!
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"Kevin Loney" <klo### [at] pt2mcom> wrote in message
news:3e2cdf5f@news.povray.org...
> something I'm working on for my irtc entry. 5000 blades of grass, less
than
> 20 minutes to render. comments, criticisms, suggestions?
>
> --
Very nice. What's the memory usage?
Gail
--
#macro G(H,S)disc{0z.4pigment{onion color_map{[0rgb<sin(H/pi)cos(S/pi)*(H<6)
cos(S/pi)*(H>6)>*18][.4rgb 0]}}translate<H-5S-3,9>}#end G(3,5)G(2,5.5)G(1,5)
G(.6,4)G(.5,3)G(.6,2)G(1,1)G(2,.5)G(3,.7)G(3.2,1.6)G(3.1,2.5)G(2.2,2.5)G(9,5
)G(8,5.5)G(7,5)G(7,4)G(7.7,3.3)G(8.3,2.7)G(9,2)G(9,1)G(8,.5)G(7,1)///GS
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these are the stats for 5000 blades of grass without rad or the isosurface
that
I used for the ground
----------------------------------------------------------------------------
Ray->Shape Intersection Tests Succeeded Percentage
----------------------------------------------------------------------------
Cone/Cylinder 454979 38580 8.48
Isosurface 109192 109192 100.00
Isosurface Container 109192 109192 100.00
Bounding Box 6009716 800041 13.31
Vista Buffer 14963855 10388767 69.43
----------------------------------------------------------------------------
Smallest Alloc: 25 bytes Largest: 786456
Peak memory used: 21574535 bytes
----------------------------------------------------------------------------
Time For Parse: 0 hours 3 minutes 33.0 seconds (213 seconds)
Time For Trace: 0 hours 0 minutes 6.0 seconds (5 seconds)
Total Time: 0 hours 3 minutes 38.0 seconds (218 seconds)
----------------------------------------------------------------------------
--
Kevin
http://www.geocities.com/qsquared_1999/
#macro _(r)#if(r<12)#local i=asc(substr("oqshilacefg"
,r,1))-97;disc{<mod(i,7)-3,div(i,7)-1,6>,z,.4
pigment{rgb 10}}_(r+1)#end#end _(1)//KL
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Well, I'm impressed!
Nice work.
Andrew.
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