From 5f9926ceaf6cc344dd5d5da4eb617bfb7556492d Mon Sep 17 00:00:00 2001
From: nge <nge>
Date: Tue, 21 Jul 2009 15:14:30 +0000
Subject: [PATCH] issue 0020436 : Integration Request of FKL

- modification because of update from BLSurf 2.7 to BLSurf 2.8
- new functionality (see attached pictures)
- calculate the parameter value of nodes associated on an edges
---
 src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx | 35 ++++++++++++++++++++----
 src/BLSURFPlugin/BLSURFPlugin_BLSURF.hxx |  8 ++++++
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx b/src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx
index 77b603b..0e78127 100644
--- a/src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx
+++ b/src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx
@@ -33,10 +33,6 @@
 #include <SMESH_Mesh.hxx>
 #include <SMESH_ControlsDef.hxx>
 
-#include <SMESHDS_Mesh.hxx>
-#include <SMDS_MeshElement.hxx>
-#include <SMDS_MeshNode.hxx>
-
 #include <utilities.h>
 
 #include <limits>
@@ -591,6 +587,7 @@ void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp, blsu
   }
   blsurf_set_param(bls, "hphydef",           to_string(_phySize).c_str());
   blsurf_set_param(bls, "hgeo_flag",         to_string(_geometricMesh).c_str());
+  blsurf_set_param(bls, "relax_size",        _decimesh ? "0": to_string(_geometricMesh).c_str());
   blsurf_set_param(bls, "angle_meshs",       to_string(_angleMeshS).c_str());
   blsurf_set_param(bls, "angle_meshc",       to_string(_angleMeshC).c_str());
   blsurf_set_param(bls, "gradation",         to_string(_gradation).c_str());
@@ -856,11 +853,11 @@ bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
     mesh_get_edge_tag(msh, it, &tag);
 
     if (tags[vtx[0]]) {
-      meshDS->SetNodeOnEdge(nodes[vtx[0]], TopoDS::Edge(emap(tag)));
+      Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
       tags[vtx[0]] = false;
     };
     if (tags[vtx[1]]) {
-      meshDS->SetNodeOnEdge(nodes[vtx[1]], TopoDS::Edge(emap(tag)));
+      Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
       tags[vtx[1]] = false;
     };
     meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
@@ -930,6 +927,32 @@ bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
   return true;
 }
 
+//=============================================================================
+/*!
+ *  SetNodeOnEdge
+ */
+//=============================================================================
+
+void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS, SMDS_MeshNode* node, const TopoDS_Shape& ed) {
+  const TopoDS_Edge edge = TopoDS::Edge(ed);
+
+  gp_Pnt pnt(node->X(), node->Y(), node->Z());
+
+  Standard_Real p0 = 0.0;
+  Standard_Real p1 = 1.0;
+  Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, p0, p1);
+
+  GeomAPI_ProjectPointOnCurve proj(pnt, curve);
+
+  double pa = (double)proj.Parameter(1);
+
+  GProp_GProps LProps;
+  BRepGProp::LinearProperties(ed, LProps);
+  double lg = (double)LProps.Mass();
+
+  meshDS->SetNodeOnEdge(node, edge, pa);
+}
+
 //=============================================================================
 /*!
  *
diff --git a/src/BLSURFPlugin/BLSURFPlugin_BLSURF.hxx b/src/BLSURFPlugin/BLSURFPlugin_BLSURF.hxx
index 5c9bc67..6ee99a3 100644
--- a/src/BLSURFPlugin/BLSURFPlugin_BLSURF.hxx
+++ b/src/BLSURFPlugin/BLSURFPlugin_BLSURF.hxx
@@ -29,12 +29,17 @@
 #include <Python.h>
 #include "SMESH_2D_Algo.hxx"
 #include "SMESH_Mesh.hxx"
+#include <SMESHDS_Mesh.hxx>
+#include <SMDS_MeshElement.hxx>
+#include <SMDS_MeshNode.hxx>
 #include <SMESH_Gen_i.hxx>
 #include <SALOMEconfig.h>
 #include CORBA_CLIENT_HEADER(SALOMEDS)
 #include CORBA_CLIENT_HEADER(GEOM_Gen)
 #include "Utils_SALOME_Exception.hxx"
+
 extern "C"{
+#include "distene/blsurf.h"
 #include "distene/api.h"
 }
 
@@ -68,6 +73,9 @@ class BLSURFPlugin_BLSURF: public SMESH_2D_Algo {
   protected:
     const BLSURFPlugin_Hypothesis* _hypothesis;
 
+  private:
+    void Set_NodeOnEdge(SMESHDS_Mesh* meshDS, SMDS_MeshNode* node, const TopoDS_Shape& ed);
+
   private:
       PyObject *          main_mod;
       PyObject *          main_dict;
-- 
2.39.2