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hi to all, i'm a newbie on povray an i have a little problem:
i write a sky with this code:
sky_sphere{
pigment{
image_map{ jpeg "sky.jpg"
map_type 2 // cylindrical
interpolate 2 // bilinear
once //
} // end of image_map
scale<1,1.02,1> rotate<0,0.00,0>
}
} // end of sky_sphere --------------------
but with this code, the color blue of the sky is in all object in my
scene...that is, in the object of the scene there is a blue component.
How i can do, for delete this effect?
thanks in advance!
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Am 04.05.2010 12:06, schrieb angel3435:
> hi to all, i'm a newbie on povray an i have a little problem:
>
> i write a sky with this code:
>
> sky_sphere{
> pigment{
> image_map{ jpeg "sky.jpg"
> map_type 2 // cylindrical
> interpolate 2 // bilinear
> once //
> } // end of image_map
> scale<1,1.02,1> rotate<0,0.00,0>
> }
> } // end of sky_sphere --------------------
>
> but with this code, the color blue of the sky is in all object in my
> scene...that is, in the object of the scene there is a blue component.
> How i can do, for delete this effect?
To answer that question, we'd need to know how you /achieved/ that
effect in the first place. It's not like that's normally automatic with
the quoted code.
Are you perhaps using radiosity? That would indeed effectively turn the
sky sphere into a diffuse blue illumination source - which, if you think
about it, is perfectly realistic. Note though that in reality, the
primary direct illumination source - the sun - has a somewhat yellowish
hue, which on average cancels out this effect.
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>
> To answer that question, we'd need to know how you /achieved/ that
> effect in the first place. It's not like that's normally automatic with
> the quoted code.
>
> Are you perhaps using radiosity? That would indeed effectively turn the
> sky sphere into a diffuse blue illumination source - which, if you think
> about it, is perfectly realistic. Note though that in reality, the
> primary direct illumination source - the sun - has a somewhat yellowish
> hue, which on average cancels out this effect.
Yes, i'm using radiosity. The sun is my only light source and has a white color?
I must change his color to a yellowish one?
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Am 04.05.2010 12:51, schrieb angel3435:
>> Are you perhaps using radiosity? That would indeed effectively turn the
>> sky sphere into a diffuse blue illumination source - which, if you think
>> about it, is perfectly realistic. Note though that in reality, the
>> primary direct illumination source - the sun - has a somewhat yellowish
>> hue, which on average cancels out this effect.
>
> Yes, i'm using radiosity. The sun is my only light source and has a white color?
Is that a question, or rather a statement with a typo question mark? I
guess you should know yourself what light sources are in your scene.
> I must change his color to a yellowish one?
Yes - if you want a more neutral overall colouring of your image, you'll
need to do that.
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clipka <ano### [at] anonymous org> wrote:
> Am 04.05.2010 12:51, schrieb angel3435:
>
> >> Are you perhaps using radiosity? That would indeed effectively turn the
> >> sky sphere into a diffuse blue illumination source - which, if you think
> >> about it, is perfectly realistic. Note though that in reality, the
> >> primary direct illumination source - the sun - has a somewhat yellowish
> >> hue, which on average cancels out this effect.
> >
> > Yes, i'm using radiosity. The sun is my only light source and has a white color?
>
> Is that a question, or rather a statement with a typo question mark? I
> guess you should know yourself what light sources are in your scene.
>
> > I must change his color to a yellowish one?
>
> Yes - if you want a more neutral overall colouring of your image, you'll
> need to do that.
Excuse me, in the first question there is a wrong question mark! sorry!
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