Descriptions and Samples for the POV-Ray Raytracer
by Friedrich A. Lohmüller
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| prism |
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prism general syntax: prism{ y1, y 2, n
< x1, z1 >,
< x2, z2 >,
< x3, z3 >,
...
< xn-1, zn-1 >,
< x1, z1 >
texture{ ... }
} |
By "y1" und "y2"
are definded the start and end values of the ortogonal prism in y direction and
"n" is the number of the following coordinates of the outline in the Please keep in mind: the last point of this outline has to be the same as the first point, this means that the line around the profile has to be closed! I.e. with 5 points you need to notate n = 6 coordinates, because the first point must be repeeted at the end! |
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To change the position and orientation of the prism, you have to
"rotate< , , >" and "translate< , , >"
it. | |
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Sample 1:// white prism
// at zero:
prism{ 0.00, 1.00, 4
<-1.00, 0.00>,
< 1.00, 0.00>,
< 0.00, 2.00>,
<-1.00, 0.00>
texture{
pigment{color White}
finish {ambient 0.15
diffuse 0.85}}
}// end of prism
// violet prism
// right:
prism{ 0.00, 1.00, 4
<-1.00, 0.00>,
< 1.00, 0.00>,
< 0.00, 2.00>,
<-1.00, 0.00>
texture{
pigment{color Plum}
finish {ambient 0.15
diffuse 0.85}}
rotate<-90,0,0>
translate<3,0,0>
}//end of prism
//----------------------- |
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Sample 2:// white prism
// at zero:
prism{ -2.00, 2.00, 6
<-1.00, 0.00>,
< 1.00, 0.00>,
< 1.00, 1.00>,
< 0.00, 2.00>,
<-1.00, 1.00>,
<-1.00, 0.00>
texture{
pigment{color White}
finish {ambient 0.15
diffuse 0.85}}
}// end of prism
// violet prism
// right ---------
prism{ -2.00, 2.00, 6
<-1.00, 0.00>,
< 1.00, 0.00>,
< 1.00, 1.00>,
< 0.00, 2.00>,
<-1.00, 1.00>,
<-1.00, 0.00>
texture{
pigment{color Plum}
finish {ambient 0.15
diffuse 0.85}}
rotate<-90,0,0>
translate<3,0,0>
}//end of prism
//----------------------- |
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© Friedrich A. Lohmüller, 2004 email:
(legacy email redacted)homepage: |
