This is the command genrev that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
genrev - generate a RADIANCE description of surface of revolution
SYNOPSIS
genrev mat name 'z(t)' 'r(t)' nseg [ -e expr ][ -f file ][ -s ]
DESCRIPTION
Genrev produces a RADIANCE scene description of a surface of revolution. The object will
be composed of nseg cones, cups, cylinders, tubes or rings following the parametric curve
defined by z(t) (height) and r(t) (radius). When z is increasing with t, the surface
normal points outward. When z is decreasing, the normal points inward. The variable t
used in the function expressions varies from 0 to 1 in even steps of 1/nseg. The
expressions are of the same type used in RADIANCE function files. Auxiliary expressions
and/or files may be specified in any number of -e and -f options. The -s option smooths
the surfaces using Phong normal interpolation.
EXAMPLE
To generate a torus with an inner radius of 1 and an outer radius of 3:
genrev steel torus 'sin(2*PI*t)' '2+cos(2*PI*t)' 32
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