From: Wolfgang Bangerth Date: Tue, 24 Jan 2006 15:47:00 +0000 (+0000) Subject: Add a link from unit_normal_orientation to the glossary entry on face normals. X-Git-Tag: v8.0.0~12531 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=639f6eb4b5bc0b5fc1d0642f7479d13e9c0254a3;p=dealii.git Add a link from unit_normal_orientation to the glossary entry on face normals. git-svn-id: https://svn.dealii.org/trunk@12144 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/base/include/base/geometry_info.h b/deal.II/base/include/base/geometry_info.h index 06c70d0a75..9f2b91d799 100644 --- a/deal.II/base/include/base/geometry_info.h +++ b/deal.II/base/include/base/geometry_info.h @@ -84,6 +84,20 @@ class GeometryInfoBase * positive or negative * coordinate direction, * respectively. + * + * Note that this is only the + * standard orientation + * of faces. At least in 3d, + * actual faces of cells in a + * triangulation can also have + * the opposite orientation, + * depending on a flag that one + * can query from the cell it + * belongs to. For more + * information, see the + * @ref GlossFaceOrientation "glossary" + * entry on + * face orientation. */ static const int unit_normal_orientation[faces_per_cell_max_dim];