From: enk <enk@opencascade.com>
Date: Thu, 25 May 2006 13:22:04 +0000 (+0000)
Subject: Added support of visualization of STRUCTURE mesh.
X-Git-Tag: V3_2_0rc~16
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=a166931ff33a11f669693b2dd6a18a944ef3ae1f;p=modules%2Fsmesh.git

Added support of visualization of STRUCTURE mesh.
Bug PAL11384.
---

diff --git a/src/DriverMED/DriverMED_R_SMESHDS_Mesh.cxx b/src/DriverMED/DriverMED_R_SMESHDS_Mesh.cxx
index ac423b451..4d466f8f5 100644
--- a/src/DriverMED/DriverMED_R_SMESHDS_Mesh.cxx
+++ b/src/DriverMED/DriverMED_R_SMESHDS_Mesh.cxx
@@ -84,9 +84,6 @@ DriverMED_R_SMESHDS_Mesh
 	//---------------------
 	PMeshInfo aMeshInfo = aMed->GetPMeshInfo(iMesh+1);
 
-	if (aMeshInfo->GetType() != MED::eNON_STRUCTURE)
-	  continue; // not implemented yet
-
         string aMeshName;
         if (myMeshId != -1) {
           ostringstream aMeshNameStr;
@@ -126,9 +123,14 @@ DriverMED_R_SMESHDS_Mesh
 	  }
         }
 
+	if (aMeshInfo->GetType() == MED::eSTRUCTURE){
+	  bool aRes = buildMeshGrille(aMed,aMeshInfo);
+	  continue;
+	}
+
         // Reading MED nodes to the corresponding SMDS structure
 	//------------------------------------------------------
-	PNodeInfo aNodeInfo = aMed->GetPNodeInfo(aMeshInfo);
+      PNodeInfo aNodeInfo = aMed->GetPNodeInfo(aMeshInfo);
 	if(!aNodeInfo)
 	  continue;
 
@@ -890,3 +892,86 @@ bool DriverMED_R_SMESHDS_Mesh::checkFamilyID(DriverMED_FamilyPtr & aFamily, int
   return ( aFamily->GetId() == anID );
 }
 
+
+/*! \brief Reading the structured mesh and convert to non structured (by filling of smesh structure for non structured mesh)
+ * \param theWrapper  - PWrapper const pointer
+ * \param theMeshInfo - PMeshInfo const pointer
+ * \return TRUE, if successfully. Else FALSE
+ */
+bool DriverMED_R_SMESHDS_Mesh::buildMeshGrille(const MED::PWrapper& theWrapper,
+					       const MED::PMeshInfo& theMeshInfo)
+{
+  bool res = true;
+
+  MED::PGrilleInfo aGrilleInfo = theWrapper->GetPGrilleInfo(theMeshInfo);
+  MED::TInt aNbNodes = aGrilleInfo->GetNbNodes();
+  MED::TInt aNbCells = aGrilleInfo->GetNbCells();
+  MED::TInt aMeshDim = theMeshInfo->GetDim();
+  DriverMED_FamilyPtr aFamily;
+  for(MED::TInt iNode=0;iNode < aNbNodes; iNode++){
+    double aCoords[3] = {0.0, 0.0, 0.0};
+    const SMDS_MeshNode* aNode;
+    MED::TNodeCoord aMEDNodeCoord = aGrilleInfo->GetCoord(iNode);
+    for(MED::TInt iDim=0;iDim<aMeshDim;iDim++)
+      aCoords[(int)iDim] = aMEDNodeCoord[(int)iDim];
+    aNode = myMesh->AddNodeWithID(aCoords[0],aCoords[1],aCoords[2],(int)iNode);
+  }
+
+  /* not implemented FAMILY
+     
+  TInt aFamNum = aNodeInfo->GetFamNum(iElem);
+  if ( checkFamilyID ( aFamily, aFamNum ))
+    {
+      aFamily->AddElement(aNode);
+      aFamily->SetType(SMDSAbs_Node);
+    }
+    
+  */
+
+  SMDS_MeshElement* anElement = NULL;
+  MED::TIntVector aNodeIds;
+  for(MED::TInt iCell=0;iCell < aNbCells; iCell++){
+    aNodeIds = aGrilleInfo->GetConn(iCell);
+    switch(aGrilleInfo->GetGeom()){
+    case MED::eSEG2:
+      if(aNodeIds.size() != 2){
+	aRes = false;
+	EXCEPTION(runtime_error,"buildMeshGrille Error. Incorrect size of ids 2!="<<aNodeIds.size());
+      }
+      anElement = myMesh->AddEdgeWithID(aNodeIds[0],
+					aNodeIds[1],
+					iCell);
+      break;
+    case MED::eQUAD4:
+      if(aNodeIds.size() != 4){
+	aRes = false;
+	EXCEPTION(runtime_error,"buildMeshGrille Error. Incorrect size of ids 4!="<<aNodeIds.size());
+      }
+      anElement = myMesh->AddFaceWithID(aNodeIds[0],
+					aNodeIds[2],
+					aNodeIds[3],
+					aNodeIds[1],
+					iCell);
+      break;
+    case MED::eHEXA8:
+      if(aNodeIds.size() != 8){
+	aRes = false;
+	EXCEPTION(runtime_error,"buildMeshGrille Error. Incorrect size of ids 8!="<<aNodeIds.size());
+      }
+      anElement = myMesh->AddVolumeWithID(aNodeIds[0],
+					  aNodeIds[2],
+					  aNodeIds[3],
+					  aNodeIds[1],
+					  aNodeIds[4],
+					  aNodeIds[6],
+					  aNodeIds[7],
+					  aNodeIds[5],
+					  iCell);
+      break;
+    default:
+      break;
+    }
+  }
+
+  return res;
+}
diff --git a/src/DriverMED/DriverMED_R_SMESHDS_Mesh.h b/src/DriverMED/DriverMED_R_SMESHDS_Mesh.h
index cb72bccdf..268a70896 100644
--- a/src/DriverMED/DriverMED_R_SMESHDS_Mesh.h
+++ b/src/DriverMED/DriverMED_R_SMESHDS_Mesh.h
@@ -60,6 +60,9 @@ class DriverMED_R_SMESHDS_Mesh: public Driver_SMESHDS_Mesh
    */
   bool checkFamilyID(DriverMED_FamilyPtr & aFamily, int anID) const;
 
+  bool buildMeshGrille(const MED::PWrapper& theWrapper,
+		       const MED::PMeshInfo& theMeshInfo);
+
  private:
   std::string myMeshName;
   std::map<int, DriverMED_FamilyPtr> myFamilies;