Index - I
| idTrans | Geom2D, Geom2D.CubicBezier | 
| InnerSpace | Geom2D, Geom2D.CubicBezier | 
| inSum | Geom2D, Geom2D.CubicBezier | 
| inSum2 | Geom2D, Geom2D.CubicBezier | 
| interpolateVector | Geom2D, Geom2D.CubicBezier | 
| intersection | Geom2D.CubicBezier.Overlap, Geom2D.CubicBezier | 
| inverse | Geom2D, Geom2D.CubicBezier |