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gleHelicoid(3GLE)		       GLE		       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

     startXformstarting contour affine transformation

     dXformdTheta
	       tangent change xform per revolution

     startThetastart angle in x-y plane

     sweepThetadegrees 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@fc.net)

GLE				       3.6		       gleHelicoid(3GLE)

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<https://man.freebsd.org/cgi/man.cgi?query=gleHelicoid&sektion=3&manpath=FreeBSD+Ports+15.1.quarterly>

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