PROTO asphere [
     field SFInt32 nlatitude 16
     field SFInt32 nlongitude 16
     field SFFloat creaseAngle 3.14
  ]
  {
     DEF IFS IndexedFaceSet {
        coord DEF C Coordinate { }
        texCoord DEF TC TextureCoordinate { }
        creaseAngle IS creaseAngle
     }
     
     DEF S Script {
        field SFInt32 nlat IS nlatitude
        field SFInt32 nl IS nlongitude
        ##eventOut MFVec3f c
        eventOut MFVec3f c
        eventOut MFVec2f tc
        eventOut MFInt32 ci