###### Beschreibungen und Beispiele zum Raytracer POV-Rayvon Friedrich A. Lohmüller            Geometrische Körper in POV-Ray
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Geometrische Körper
Inhaltsübersicht
Grundformen
Körper mit Makros + CSG
Körper in "shapes3.inc"
Andere Körper als Makros
3D-Text-Objekte
Andere Formen
Non CSG Körper
height_field + HF macros

Isosurfaces
- with Basic Surfaces
->with Sine Functions
- by Built-in Functions
- by Helix Functions
- by Pattern Functions

isosurface{ ... } - Mit Grundfunktionen und Sinus. Beispiele:
Built-in shape
 isosurface{ //------------------------- function{ y - sin(x*4*pi)*0.1 } threshold 0 contained_by{box{<-1,-0.5,-1>,<1,1,1>}} texture{ pigment{ color rgb<0.5,1,1>} normal { ripples 0.5 scale 0.125} finish { phong 1} } // end of texture scale <1,1,1>*1.5 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------
 isosurface{ //------------------------- function{ y - cos(sqrt(x*x+z*z)*5*pi)*0.08} threshold 0 contained_by{box{<-1,-0.5,-1>,<1,1,1>}} texture{ pigment{ color rgb<0.5,1,1>} normal { ripples 0.5 scale 0.125} finish { phong 1} } // end of texture scale <1,1,1>*1.5 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------
 isosurface{ //------------------------- function { sin( 4 *y*2*pi ) /15 + sqrt(x*x*2+z*z*2)-0.5} threshold 0 contained_by {box { -1 , 1 }} max_gradient 10 accuracy 0.005 open // optional texture { pigment{ color rgb<1,1,1>*1.1} finish { phong 0.5 reflection 0.2} } // end of texture scale <1,1,1>*1 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------
 isosurface{ //------------------------- function { sqrt(x*x + y*y + z*z) - 0.9 + sin(18*atan2(y,sqrt(x*x+z*z)))*0.05} threshold 0 accuracy 0.0001 max_gradient 5 contained_by{box{ -1, 1 }} texture{ pigment{ color rgb<0.9,1.0,0.1>} finish { phong 1} } // end of texture scale <1,1,1>*1.0 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------
 isosurface{ //------------------------- function{ sqrt( x*x + y*y + z*z ) - 0.9 + sin( 12*atan2(x,z) )*0.1} threshold 0 accuracy 0.0001 max_gradient 5 contained_by{box{ -1, 1 }} texture{ pigment{ color rgb<0.9,1.0,0.1>} finish { phong 1} } // end of texture scale <1,1,1>*1 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------
 isosurface{ //------------------------- function{ sqrt(x*x + y*y + z*z) - 0.9 + sin(12*atan2(x, z)) *sin(8*atan2(y,sqrt(x*x+z*z)))*0.1} threshold 0 accuracy 0.0001 max_gradient 5 contained_by{box{ -1, 1 }} texture{ pigment{ color rgb<0.5,1.0,0.05>} finish { phong 1} } // end of texture scale <1,1,1>*1.0 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------
 isosurface{ //------------------------- function { sqrt(x*x + y*y + z*z) - 0.8 + sin(0.5*sin(y*4))*0.1 } threshold 0 accuracy 0.0001 max_gradient 5 contained_by{box{ -1, 1 }} texture{ T_Stone8 finish { specular 0.2 phong 0.4 } } // end of texture scale <0.80,1.00,0.80> *1.4 rotate <0,0,0> translate <0,0,0> } // end of isosurface ----------------

 © Friedrich A. Lohmüller, 2014 www.f-lohmueller.de