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pov renders strange black artifacts when using a spotlight falloff 90 with
media
the scene gives correct results if no media is used with the falloff 90
it also gives correct image if we keep the media and the falloff is no 90
pov3.5b6 win2000 Athlon 900MHz 256MB
light_source
{
<0,25,5>
color rgb 1
spotlight radius 10 falloff 90 point_at <0,0,0>
media_interaction on
}
camera
{
location <0, 0,-5>
direction z up y right x look_at <0,0,0>
}
sphere
{
0,1
hollow
pigment { color rgb <1,1,1,0.85> }
finish { diffuse 1 ambient 0 }
interior
{
media { scattering { 1, rgb <.83,.79,.75>*2 extinction 1/2 }
samples 10
method 3
}
}
}
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Mael wrote:
>
> pov renders strange black artifacts when using a spotlight falloff 90 with
> media
Same here. Win98 SE Athlon 1GHz. The limit seems to be 89.9999996.
_____________
Kari Kivisalo
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"Kari Kivisalo" <ray### [at] engineer com> wrote in message
news:3BCA917E.8AA0A46F@engineer.com...
> Mael wrote:
> >
> > pov renders strange black artifacts when using a spotlight falloff 90
with
> > media
>
> Same here. Win98 SE Athlon 1GHz. The limit seems to be 89.9999996.
spotlight is supposed to use radius and falloff values less than 90, so not
too surprising it would have peculiarities at ~90.
I'll take this opportunity to say that a variable sized origin would be a
great thing, which has been suggested many times by many people. I guess
that would have been tried long ago if anyone could have managed to create
it.
Bob H.
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> spotlight is supposed to use radius and falloff values less than 90, so
not
> too surprising it would have peculiarities at ~90.
yes, sure, not really a bug
But i wonder why it works when not using media
if there are problemes with value =90 (>90 ?) may be the parser can send a
warning ?
M
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Mael <mae### [at] hotmailcom> wrote:
: yes, sure, not really a bug
Not a bug, but certainly a good place for a warning.
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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