--- /dev/null
+/*!
+
+\page radial_quadrangle_1D2D_algo_page Radial Quadrangle 1D2D
+
+\n This algorithm applies to the meshing of 2D shapes under the
+following conditions: the face must be a full circle or a part of circle
+(i.e. the number of edges is less or equal to 3 and one of them is a circle curve).
+The resulting mesh consists of triangles (near the center point) and
+quadrangles.
+
+This algorithm is optionally parametrized by the hypothesis indicating the number
+of mesh layers along the radius. The distribution of layers can be set with any 1D Hypothesis.
+
+If no own hypothesis of the algorithm is assigned, any local or global hypothesis is used
+by the algorithm to discretize edges. Note that if the geometrical face has two radial edges,
+they must be meshed with equal number of segments.
+
+If no 1D hypothesis is assigned to an edge, "Default Number of Segments" preferences parameter
+is used to discretize the edge.
+
+\image html hypo_radquad_dlg.png
+
+\image html mesh_radquad_01.png "Radial Quadrangle 2D mesh on the top and the bottom faces of a cylinder"
+
+\image html mesh_radquad_02.png "Radial Quadrangle 2D mesh on a part of circle"
+
+\sa A sample \ref tui_radial_quadrangle "TUI Script".
+
+*/
