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The picture below +shows good (left) and bad (right) results of meshing. + +\image html hypo_quad_params_res_2.png "The resulting meshes" +
\anchor quadrangle_preference_anchor

Quadrangle Preference

diff --git a/doc/salome/gui/SMESH/input/about_hypo.doc b/doc/salome/gui/SMESH/input/about_hypo.doc index 578823bd6..cc8f5fd52 100644 --- a/doc/salome/gui/SMESH/input/about_hypo.doc +++ b/doc/salome/gui/SMESH/input/about_hypo.doc @@ -28,6 +28,7 @@ them, you operate numerical values):
  • \ref max_element_area_anchor "Max Element Area"
  • \ref length_from_edges_anchor "Length from Edges"
    • +
  • \ref hypo_quad_params_anchor "Quadrangle Parameters"
  • \ref quadrangle_preference_anchor "Quadrangle Preference"
  • \ref triangle_preference_anchor "Triangle Preference"
diff --git a/doc/salome/gui/SMESH/input/prism_3d_algo.doc b/doc/salome/gui/SMESH/input/prism_3d_algo.doc index 837923ac1..5589ba3a7 100644 --- a/doc/salome/gui/SMESH/input/prism_3d_algo.doc +++ b/doc/salome/gui/SMESH/input/prism_3d_algo.doc @@ -4,9 +4,9 @@ 3D extrusion algorithm can be used for meshing prisms, i.e. 3D Shapes defined by two opposing faces having the same number of vertices and -edges and meshed using the \ref projection_algos_page "2D Projection" -algorithm. These two faces should be connected by quadrangle "side" -faces. +edges and meshed using, for example, the \ref projection_algos_page +"2D Projection" algorithm. These two faces should be connected by +quadrangle "side" faces. The opposing faces can be meshed with either quadrangles or triangles, while the side faces should be meshed with quadrangles only. @@ -17,4 +17,8 @@ As you can see, the 3D extrusion algorithm permits to build and to have in the same 3D mesh such elements as hexahedrons, prisms and polyhedrons. -*/ \ No newline at end of file +\note This algorithm works correctly only if the opposing faces have +the same (or similar) meshing topography. Otherwise, 3D extrusion +algorithm can fail to build mesh volumes. + +*/ diff --git a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx index 0f2e0032b..b0ced7bb6 100644 --- a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx +++ b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx @@ -540,7 +540,8 @@ QString SMESHGUI_GenericHypothesisCreator::helpPage() const aHelpFileName = "radial_quadrangle_1D2D_algo_page.html"; else if ( aHypType == "SegmentLengthAroundVertex") aHelpFileName = "segments_around_vertex_algo_page.html"; - + else if ( aHypType == "QuadrangleParams") + aHelpFileName = "a2d_meshing_hypo_page.html#hypo_quad_params_anchor"; return aHelpFileName; } -- 2.39.2