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4.2.7 SPHERE Files

The conventional suffix for SPHERE files is .sph.

     SPHERE
     Radius
     Xcenter Ycenter Zcenter

Sphere objects are drawn using rational Bezier patches, which are diced into meshes; their smoothness, and the time taken to draw them, depends on the setting of the dicing level, 10x10 by default. From Geomview, the Appearance panel, the <N>ad keyboard command, or a dice nu nv Appearance attribute sets this.