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| Kernel::Vector_2 | fo.operator() ( Kernel::Point_2 a, Kernel::Point_2 b) | |
| introduces the vector b-a. | ||
| Kernel::Vector_2 | fo.operator() ( Origin o, Kernel::Point_2 b) | |
| introduces the vector b. | ||
| Kernel::Vector_2 | fo.operator() ( Kernel::Point_2 a, Origin o) | |
| introduces the vector -a. | ||
| Kernel::Vector_2 | fo.operator() ( Kernel::Segment_2 s) | |
| introduces the vector s.target()-s.source(). | ||
| Kernel::Vector_2 | fo.operator() ( Kernel::Ray_2 r) | |
| introduces a vector having the same direction as r. | ||
| Kernel::Vector_2 | fo.operator() ( Kernel::Line_2 l) | |
| introduces a vector having the same direction as l. | ||
| Kernel::Vector_2 | fo.operator() ( Null_vector NULL_VECTOR) | |
| introduces a null vector . | ||