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Hi
I have an Problem when using Objects with transparent Textures.
The Object isn't completly transparent, when using specular. I tried using
transmit, instead of filter, but nothing changed.
is there a possibilty to solve this problem ?
E-MAIL : spa### [at] snafu de ( remove spam. )
Homepage : http://www.snafu.de/~lars.wolter
ICQ-UIN : 4137784
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On Mon, 20 Jul 1998 21:21:38 +0200, Lars Wolter <lar### [at] snafude> wrote:
>I have an Problem when using Objects with transparent Textures.
>The Object isn't completly transparent, when using specular. I tried using
>transmit, instead of filter, but nothing changed.
>
>is there a possibilty to solve this problem ?
Perhaps some code that demonstrates the problem would help.
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Ron Parker schrieb in Nachricht >
>Perhaps some code that demonstrates the problem would help.
>
Ok, here is it !
camera {
location <0,0,-8>
look_at <0,0,0>
}
light_source { <50,1000,-100> color White}
sphere { <-1.5,1.5,0>,1 pigment { color rgbf <1,1,1,1> } }
sphere { <1.5,1.5,0>,1 pigment { color rgbf <1,1,1,1> } finish { specular
0.6 } }
sphere { <-1.5,-1.5,0>,1 pigment { color rgbt <1,1,1,1> } }
sphere { <1.5,-1.5,0>,1 pigment { color rgbt <1,1,1,1> } finish { specular
0.6 } }
this creates 4 Spheres, and when rendered two of them ( those with
specular ) are partialy visible, but i need a complete transparency, without
reflection, even when i use specular.
I need this when using partial transparent textures, where the non
transparent part should have specular.
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On Wed, 22 Jul 1998 23:52:33 +0200, "Lars Wolter"
<lar### [at] snafude> wrote:
>
>Perhaps some code that demonstrates the problem would help.
>this creates 4 Spheres, and when rendered two of them ( those with
>specular ) are partialy visible, but i need a complete transparency, without
>reflection, even when i use specular.
>I need this when using partial transparent textures, where the non
>transparent part should have specular.
Maybe a texture map would do what you're looking for?
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I have often had problems with transparent object behind other
transparent objects having visible components.
Consider :
union {
sphere { 0, 1 }
sphere { 1, 1 }
sphere { 2, 1 }
pigment { color rgbt 1 }
}
sky_sphere { pigment { color rgb 1 } }
light_source { 5 color rgb 1 }
camera { location 5 look_at 0 }
-----------------------------
However, there is a fix to Lars's problem.
For the transparancy, use a texture map in addition to or
in place of the pigment pattern. The texture_map allows
the finish to be varied across the surface.
Dan
Lars Wolter wrote:
> this creates 4 Spheres, and when rendered two of them ( those with
> specular ) are partialy visible, but i need a complete transparency, without
> reflection, even when i use specular.
> I need this when using partial transparent textures, where the non
> transparent part should have specular.
--
http://www.flash.net/~djconnel/
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On Wed, 22 Jul 1998 18:46:04 -0500, Dan Connelly <djc### [at] flashnet>
wrote:
>I have often had problems with transparent object behind other
>transparent objects having visible components.
>
>Consider :
>
>union {
> sphere { 0, 1 }
> sphere { 1, 1 }
> sphere { 2, 1 }
> pigment { color rgbt 1 }
>}
>sky_sphere { pigment { color rgb 1 } }
>light_source { 5 color rgb 1 }
>camera { location 5 look_at 0 }
That's just the old max_trace_level thing. It should be in the FAQ,
except there isn't one. Try adding
global_settings { max_trace_level 10 }
and watch your problem go away.
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