Index - O
| On | Data.Geometry.Line.Internal, Data.Geometry.Line, Data.Geometry |
| onBall | Data.Geometry.Ball |
| OnBoundary | Data.Geometry.Boundary |
| onBoundary | Data.Geometry.Polygon, Data.Geometry |
| onHalfLine | Data.Geometry.HalfLine |
| onLine | Data.Geometry.Line.Internal, Data.Geometry.Line, Data.Geometry |
| onSegment | Data.Geometry.LineSegment, Data.Geometry |
| onSide | Data.Geometry.Line.Internal, Data.Geometry.Line, Data.Geometry |
| Opacity | Data.Geometry.Ipe.Attributes, Data.Geometry.Ipe |
| OpacitySym0 | Data.Geometry.Ipe.Attributes, Data.Geometry.Ipe |
| Open | Data.Range |
| OpenInterval | Data.Geometry.Interval |
| OpenRange | Data.Range |
| Operation | Data.Geometry.Ipe.Types, Data.Geometry.Ipe |
| Orbit | Data.Permutation |
| orbitFrom | Data.Permutation |
| orbits | Data.Permutation |
| orderedEndPoints | Data.Geometry.LineSegment, Data.Geometry |
| origin | Data.Geometry.Point, Data.Geometry |
| Orthogonal | Data.Geometry.Slab |
| outer | Data.Geometry.Vector, Data.Geometry |
| outerBoundary | Data.Geometry.Polygon, Data.Geometry |
| outerBoundaryEdge | Data.Geometry.Polygon, Data.Geometry |
| outerBoundaryEdges | Data.Geometry.Polygon, Data.Geometry |
| outerVertex | Data.Geometry.Polygon, Data.Geometry |
| outgoingEdges | Data.PlanarGraph, Data.PlaneGraph |
| Outside | Data.Geometry.Boundary |