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surfrev.6
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1996-07-16
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869b
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.TH SURFREV
6 "IRIT Version 6.0"
.SH NAME
SURFREV
PolygonType SURFREV( PolygonType Object )
or
SurfaceType SURFREV( CurveType Object )
Creates a surface of revolution by rotating the first polygon/curve of the
given Object, around the Z axis. Use the linear transformation function
to position a surface of revolution in a different orientation.
Example:
VTailAntn = SURFREV( ctlpt( E3, 0.001, 0.0, 1.0 ) +
ctlpt( E3, 0.01, 0.0, 1.0 ) +
ctlpt( E3, 0.01, 0.0, 0.8 ) +
ctlpt( E3, 0.03, 0.0, 0.7 ) +
ctlpt( E3, 0.03, 0.0, 0.3 ) +
ctlpt( E3, 0.001, 0.0, 0.0 ) );
constructs a piecewise linear Bspline curve in the XZ plane and uses it to
construct a surface of revolution by rotating it around the Z axis.
See also SURFPREV.