diff --git a/doc/texinfo/gmsh.texi b/doc/texinfo/gmsh.texi index 061558395e376d59abf8789ac49e698b1b8a1dbb..64700be49224bcc2d6132530f27f7b3e56c6a6ac 100644 --- a/doc/texinfo/gmsh.texi +++ b/doc/texinfo/gmsh.texi @@ -949,6 +949,7 @@ List of expressions are also widely used, and are defined as: Point @{ @var{expression} @} | <Physical> Point|Line|Surface|Volume "*" | Point|Line|Surface|Volume In BoundingBox @{ @var{expression-list} @} | + BoundingBox Point|Line|Surface|Volume @{ @var{expression} @} | Physical Point|Line|Surface|Volume @{ @var{expression-list} @} @c @var{duplicata} - already implemented: should we explain this? @end example @@ -969,11 +970,12 @@ permit to reference an expression sublist (whose elements are those corresponding to the indices provided by the @var{expression-list}). The next two cases permit to retrieve the indices of entities created through geometrical transformations and extrusions (see -@ref{Transformations}, and @ref{Extrusions}). The last three cases -permit to retrieve the coordinates of a given geometry point -(@pxref{Points}), to retrieve the id numbers of all points, lines, -surfaces or volumes in the model, or to retrieve the elementary entities -making up physical groups. +@ref{Transformations}, and @ref{Extrusions}). The next two cases allow +to retrieve antities in a given bounding box, or get the bounding box of +a given entity. The last three cases permit to retrieve the coordinates +of a given geometry point (@pxref{Points}), to retrieve the id numbers +of all points, lines, surfaces or volumes in the model, or to retrieve +the elementary entities making up physical groups. To see the practical use of such expressions, have a look at the first couple of examples in @ref{Tutorial}. Note that, in order to lighten the