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.\" GLE Tubing & Extrusions Library Documentation 
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.TH gleHelicoid 3GLE "3.6" "GLE" "GLE"
.SH NAME
gleHelicoid - Generalized torus, spiral with circle contour.
.SH SYNTAX
.nf
.LP
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);
.fi
.SH ARGUMENTS
.IP \fIrToroid\fP 1i
circle contour (torus) radius
.IP \fIstartRadius\fP 1i
spiral starts in x-y plane
.IP \fIdrdTheta\fP 1i
change in radius per revolution
.IP \fIstartZ\fP 1i
starting z value
.IP \fIdzdTheta\fP 1i
change in Z per revolution
.IP \fIstartXform\fP 1i
starting contour affine transformation
.IP \fIdXformdTheta\fP 1i
tangent change xform per revolution
.IP \fIstartTheta\fP 1i
start angle in x-y plane
.IP \fIsweepTheta\fP 1i
degrees to spiral around
.SH DESCRIPTION

Generalized Torus. Similar to gleSpiral, except contour is a circle.
Uses gleSpiral to draw.

.SH SEE ALSO
gleSpiral, gleToroid
.SH AUTHOR
Linas Vepstas (linas@fc.net)