Add a warning on CADSurf periodicity usage.

diff --git a/doc/salome/gui/BLSURFPLUGIN/input/blsurf_hypo.doc b/doc/salome/gui/BLSURFPLUGIN/input/blsurf_hypo.doc
index 474b5bdd1d0c8fc2be8b7a79ca430a0e02d591b4..6f32daf6ec0955a3259e02a3f48431cc7109f498 100644 (file)
--- a/doc/salome/gui/BLSURFPLUGIN/input/blsurf_hypo.doc
+++ b/doc/salome/gui/BLSURFPLUGIN/input/blsurf_hypo.doc
@@ -365,9 +365,9 @@ A group can optionnaly be defined on those enforced vertices.
 Periodicity is used to have the same discretization on two faces (in 3D) or two edges (in 2D).
 This is useful for instance for a Representative Volume Element so that the translated meshes share the same nodes on the common faces.
 
-In GUI, periodicity association uses PreCAD (optional MG-CADSurf add-on). Be sure to have a PreCAD license to be able to use it. Otherwise, use \ref periodicity_tui_basic_api_usage "the basic API in TUI" or the \ref periodicity_tui_advanced_api_usage "the advanced API in TUI".
+In GUI, periodicity association uses PreCAD (optional MG-CADSurf add-on). You must have a PreCAD license to be able to use it.
 
-Remark: to use the basic API to define periodicity, you have to disable PreCAD.
+In TUI, advanced users can use CADSurf periodicity via \ref periodicity_tui_basic_api_usage "the basic API" or \ref periodicity_tui_advanced_api_usage "the advanced API". It requires to disable PreCAD. We strongly advise to use PreCAD periodicity instead.
 
 \image html blsurf_periodicity_translation.png "Two periodic faces (translation)"
 
@@ -404,6 +404,8 @@ List of source and target vertices to define a transformation are optional.
 
 In the CADSurf basic API, only available in TUI, the periodicity must be defined face by face, edge by edge and vertex by vertex.
 
+You must disable PreCAD to use it. Hence, shapes with seam edges will not be meshed correctly.
+
 The methods are:
 - BLSURFPluginBuilder.BLSURF_Algorithm.AddFacePeriodicity
 - BLSURFPluginBuilder.BLSURF_Algorithm.AddEdgePeriodicity