\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - 2D and 3D Linear Geometry Kernel

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Kernel::ConstructBaseVector_3 Concept Reference
Kernel Function Object Concepts

## Definition

Refines:
  `AdaptableFunctor` (with two arguments)

See Also
  `CGAL::Plane_3<Kernel>`

## Operations
A model of this concept must provide:
Kernel::Vector_3 | operator() (const Kernel::Plane_3 &h, int index)
| when `index` == 1, returns a vector `b1` that is orthogonal to the normal `n` to plane `h`; when `index` == 2, returns a vector `b2` that is orthogonal to `n` and `b1` and such that for an arbitrary point `p` on the plane `h`, the orientation of `p`, `p + b1`, `p + b2`, and `p + n` is positive.