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gleHelicoid(3GLE) GLE gleHelicoid(3GLE)

gleHelicoid - Generalized torus, spiral with circle contour.

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);

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

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

gleSpiral, gleToroid

Linas Vepstas (linas@fc.net)
3.6 GLE

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