//sphereandcircle.bvr\ngreat=parametricSurface\ngreat.setMinMax=s,0,4\ngreat.setMinMax=t,0, 8 \ngreat.setEquation=x,(cos(t)*sin(s))\ngreat.setEquation=y,(sin(t)*sin(s))\ngreat.setEquation=z,(cos(s))\ngreat.setSegmentCount=20\ngreat.color=gray\ngreat.spawn\n\nfcircle=parametricCurve\nfcircle.setMinMax=t, -10,10 \nfcircle.setEquation=x,0\nfcircle.setEquation=y,(sin(t))\nfcircle.setEquation=z,(cos(t))\nfcircle.setSegmentCount=70\nfcircle.setThickness=0.1\nfcircle.color=aqua\nfcircle.spawn\n\n\nscircle=parametricCurve\nscircle.setMinMax=t,-10,10\nscircle.setEquation=x,((cos(1/2)*cos(t)))\nscircle.setEquation=y,((cos(1/2)*sin(t)))\nscircle.setEquation=z, (1/2)\nscircle.setSegmentCount=70\nscircle.setThickness=0.1 \nscircle.color=magenta\nscircle.spawn