linux man page for genrev

Query: genrev

OS: linux

Section: 1

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GENREV(1)						      General Commands Manual							 GENREV(1)

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 AUTHOR
Greg Ward BUGS
The -s option doesn't modify the surface normal correctly for the opposite side. SEE ALSO
genrbox(1), gensurf(1), genworm(1), icalc(1), rpict(1), rvu(1), xform(1) RADIANCE
11/15/93 GENREV(1)
Related Man Pages
genworm(1) - centos
genworm(1) - php
genrev(1) - xfree86
genrev(1) - hpux
genrev(1) - suse
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