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 POVRay Tutorial
Geometric Shapes
Overview
Basic Shapes
Shapes by macro + CSG
Shapes in "shapes3.inc"
Other Shapes by macros
3D text shapes
Other Shapes
 blob
 sphere_sweep
 julia_fractal
 Regulare Polyhedron
>Paraboloid, Hyperboloid
 Polynomial equations
 Cubic & Quartic shapes
 Parametric shapes
Non CSG Shapes
height_field + HF macros
Isosurfaces

Paraboloid and Hyperboloid from the include file "shapes.inc"
Before you can use the following geometric shapes the according include file must be inserted
in the scenery description file by:
#include "shapes.inc"
Paraboloids, in positive x direction) 

Paraboloid_X, 
Hyperboloid (sadle, see left) 
Paraboloid_Y 
Hyperboloid_Y 
Paraboloid_Z 
(double cone in y direction, see in tne middle, and right turned by rotate<90,0,0>} 
These are infinite surfaces which can be used in csg functions like
"intersection" or "clipped_by" with finite shapes to get finite shapes of these kinds.
These regular geometric shapes are defined symetric to <0,0,0>.
Sample for how to use them as "object" by:
object{ Paraboloid_Y
texture{....}
translate<...> }


