twocirclesandsphere.bvr\n\n//Sphere\ns=parametricSurface\ns.setMinMax=s,0,3.14159\ns.setMinMax=t,0,6.28\ns.setEquation=x,(3*(cos(t)*sin(s)))\ns.setEquation=y,(3*(sin(t)*sin(s)))\ns.setEquation=z,(3*(cos(s)))\ns.setSegmentCount=40\ns.spawn\n\n//Great Circle\ngc=parametricCurve\ngc.setMinMax=t,-6.3,6.3\ngc.setEquation=x,(3*(arccos(cos(t)*cos(t)*cos(t)+(sin(t)*sin(t)))\ngc.setEquation=y,(3*(cos(t)+sin(t)))\ngc.setThickness=0.15\ngc.setSegmentCount=10\ngc.color=blue\ngc.spawn\n\n