gleHelicoid(3gle)
NAME
gleHelicoid - Generalized torus, spiral with circle contour.
SYNTAX
- void gleHelicoid (gleDouble rToroid,
- gleDouble up[3],
gleDouble startRadius,
gleDouble drdTheta,
gleDouble startZ,
gleDouble dzdTheta,
gleDouble startXform[2][3],
gleDouble dXformdTheta[2][3],
gleDouble startTheta,
gleDouble sweepTheta);
ARGUMENTS
rToroid circle contour (torus) radius
- startRadius
- spiral starts in x-y plane
- drdTheta change in radius per revolution
- startZ starting z value
- dzdTheta change in Z per revolution
- startXform
- starting contour affine transformation
- dXformdTheta
- tangent change xform per revolution
- startTheta
- start angle in x-y plane
- sweepTheta
- degrees to spiral around
DESCRIPTION
Generalized Torus. Similar to gleSpiral, except contour is a circle.
Uses gleSpiral to draw.
SEE ALSO
gleSpiral, gleToroid
AUTHOR
- Linas Vepstas (linas@linas.org)