NAME
	  fgluSphere - draw a sphere


     FORTRAN SPECIFICATION
	  SUBROUTINE fgluSphere( CHARACTER*8 quad,
				 REAL*8	radius,
				 INTEGER*4 slices,
				 INTEGER*4 stacks )


     PARAMETERS
	  quad	  Specifies the	quadrics object	(created with
		  fgluNewQuadric).

	  radius  Specifies the	radius of the sphere.

	  slices  Specifies the	number of subdivisions around the z
		  axis (similar	to lines of longitude).

	  stacks  Specifies the	number of subdivisions along the z
		  axis (similar	to lines of latitude).

     DESCRIPTION
	  fgluSphere draws a sphere of the given radius	centered
	  around the origin. The sphere	is subdivided around the z
	  axis into slices and along the z axis	into stacks (similar
	  to lines of longitude	and latitude).

	  If the orientation is	set to GLU_OUTSIDE (with
	  fgluQuadricOrientation), then	any normals generated point
	  away from the	center of the sphere.  Otherwise, they point
	  toward the center of the sphere.

	  If texturing is turned on (with fgluQuadricTexture), then
	  texture coordinates are generated so that t ranges from 0.0
	  at z=-radius to 1.0 at z=radius (t increases linearly	along
	  longitudinal lines), and s ranges from 0.0 at	the +y axis,
	  to 0.25 at the +x axis, to 0.5 at the	-y axis, to 0.75 at
	  the -x axis, and back	to 1.0 at the +y axis.

     SEE ALSO
	  fgluCylinder,	fgluDisk, fgluNewQuadric, fgluPartialDisk,
	  fgluQuadricOrientation, fgluQuadricTexture