*** empty log message ***

Plugin/FieldView.cpp

+// $Id: FieldView.cpp,v 1.1 2007-05-07 07:50:33 remacle Exp $
+//
+// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+// 
+// Please report all bugs and problems to <gmsh@geuz.org>.
+
+#include "Plugin.h"
+#include "Field.h"
+#include "FieldView.h"
+#include "List.h"
+#include "Views.h"
+#include "Context.h"
+#include "Numeric.h"
+#include "ShapeFunctions.h"
+
+extern Context_T CTX;
+
+StringXNumber FieldViewOptions_Number[] = {
+  {GMSH_FULLRC, "Component", NULL, -1.},
+  {GMSH_FULLRC, "iView", NULL, -1.},
+  {GMSH_FULLRC, "Field", NULL, -1.}
+};
+
+extern "C"
+{
+  GMSH_Plugin *GMSH_RegisterFieldViewPlugin()
+  {
+    return new GMSH_FieldViewPlugin();
+  }
+}
+
+GMSH_FieldViewPlugin::GMSH_FieldViewPlugin()
+{
+  ;
+}
+
+void GMSH_FieldViewPlugin::getName(char *name) const
+{
+  strcpy(name, "FieldView");
+}
+
+void GMSH_FieldViewPlugin::getInfos(char *author, char *copyright,
+				    char *help_text) const
+{
+  strcpy(author, "J. Lambrechts (jonathanlambrechts@gmail.org)");
+  strcpy(copyright, "GPL");
+  strcpy(help_text,
+	 "Plugin(FieldView) evaluate a field on the choosen view.\n");
+}
+
+int GMSH_FieldViewPlugin::getNbOptions() const
+{
+  return sizeof(FieldViewOptions_Number) / sizeof(StringXNumber);
+}
+
+StringXNumber *GMSH_FieldViewPlugin::getOption(int iopt)
+{
+  return &FieldViewOptions_Number[iopt];
+}
+
+void GMSH_FieldViewPlugin::catchErrorMessage(char *errorMessage) const
+{
+  strcpy(errorMessage, "FieldView failed...");
+}
+
+
+static void evaluate(Field *field,Post_View *v1, List_T *list1, int nbElm1, int nbNod, int nbComp, int comp )
+{
+  if(!nbElm1)
+    return;
+  v1->Changed = 1;
+  int nb = List_Nbr(list1) / nbElm1;
+  for(int i = 0, i2 = 0; i < List_Nbr(list1); i += nb) {
+    double *x = (double *)List_Pointer_Fast(list1, i);
+    double *y = (double *)List_Pointer_Fast(list1, i + nbNod);
+    double *z = (double *)List_Pointer_Fast(list1, i + 2 * nbNod);
+    for(int j = 0; j < nbNod; j++) {
+      // store data from the main view into v
+      double *val1 = (double *)List_Pointer_Fast(list1, 
+						 i + 3 * nbNod + 
+						 nbNod * nbComp * 0 + nbComp * j);
+      val1[comp] =(*field)(x[j],y[j],z[j]);
+    }
+  }
+}
+
+
+Post_View *GMSH_FieldViewPlugin::execute(Post_View * v)
+{
+  int comp = (int)FieldViewOptions_Number[0].def;
+  int iView = (int)FieldViewOptions_Number[1].def;
+	int iField=(int)FieldViewOptions_Number[2].def;
+	Field *field=fields.get(iField);
+  if(!field){
+    Msg(GERROR, "Field[%d] does not exist", iField);
+    return v;
+	}
+  if(iView < 0)
+    iView = v ? v->Index : 0;
+  if(!List_Pointer_Test(CTX.post.list, iView)) {
+    Msg(GERROR, "View[%d] does not exist", iView);
+    return v;
+  }
+  Post_View *v1 = *(Post_View **)List_Pointer(CTX.post.list, iView);
+      evaluate(field, v1, v1->SP, v1->NbSP, 1, 1, 0);
+      evaluate(field, v1, v1->SL, v1->NbSL, 2, 1, 0);
+      evaluate(field, v1, v1->ST, v1->NbST, 3, 1, 0);
+      evaluate(field, v1, v1->SQ, v1->NbSQ, 4, 1, 0);      
+      evaluate(field, v1, v1->SS, v1->NbSS, 4, 1, 0);
+      evaluate(field, v1, v1->SH, v1->NbSH, 8, 1, 0);      
+      evaluate(field, v1, v1->SI, v1->NbSI, 6, 1, 0);
+      evaluate(field, v1, v1->SY, v1->NbSY, 5, 1, 0);
+
+      for(int cc = 0; cc < 3; cc++){
+	if(comp < 0 || comp == cc){
+	  evaluate(field, v1, v1->VP, v1->NbVP, 1, 3, cc);
+	  evaluate(field, v1, v1->VL, v1->NbVL, 2, 3, cc);
+	  evaluate(field, v1, v1->VT, v1->NbVT, 3, 3, cc);
+	  evaluate(field, v1, v1->VQ, v1->NbVQ, 4, 3, cc);
+	  evaluate(field, v1, v1->VS, v1->NbVS, 4, 3, cc);
+	  evaluate(field, v1, v1->VH, v1->NbVH, 8, 3, cc);
+	  evaluate(field, v1, v1->VI, v1->NbVI, 6, 3, cc);
+	  evaluate(field, v1, v1->VY, v1->NbVY, 5, 3, cc);
+	}
+      }
+
+      for(int cc = 0; cc < 9; cc++){
+	if(comp < 0 || comp == cc){
+	  evaluate(field, v1, v1->TP, v1->NbTP, 1, 9, cc);
+	  evaluate(field, v1, v1->TL, v1->NbTL, 2, 9, cc);
+	  evaluate(field, v1, v1->TT, v1->NbTT, 3, 9, cc);      
+	  evaluate(field, v1, v1->TQ, v1->NbTQ, 4, 9, cc);
+	  evaluate(field, v1, v1->TS, v1->NbTS, 4, 9, cc);
+	  evaluate(field, v1, v1->TH, v1->NbTH, 8, 9, cc);
+	  evaluate(field, v1, v1->TI, v1->NbTI, 6, 9, cc);
+	  evaluate(field, v1, v1->TY, v1->NbTY, 5, 9, cc);
+	}
+      }
+  // recompute min/max, etc.:
+  v1->Min = VAL_INF;
+  v1->Max = -VAL_INF;
+  EndView(v1, 0, v1->FileName, v1->Name);
+
+  return v1;
+}

Plugin/FieldView.h

+#ifndef _FIELD_VIEW_H_
+#define _FIELD_VIEW_H_
+
+// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+// 
+// Please report all bugs and problems to <gmsh@geuz.org>.
+
+#include "Plugin.h"
+
+extern "C"
+{
+  GMSH_Plugin *GMSH_RegisterFieldViewPlugin();
+}
+
+class GMSH_FieldViewPlugin : public GMSH_Post_Plugin
+{
+ public:
+  GMSH_FieldViewPlugin();
+  void getName(char *name) const;
+  void getInfos(char *author, char *copyright, char *help_text) const;
+  void catchErrorMessage(char *errorMessage) const;
+  int getNbOptions() const;
+  StringXNumber* getOption(int iopt);  
+  Post_View *execute(Post_View *);
+};
+
+#endif

Plugin/Plugin.cpp

-// $Id: Plugin.cpp,v 1.88 2007-05-05 10:24:53 geuzaine Exp $
+// $Id: Plugin.cpp,v 1.89 2007-05-07 07:50:33 remacle Exp $
 //
 // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 //
@@ -61,6 +61,7 @@
 #include "Lambda2.h"
 #include "Evaluate.h"
 #include "Probe.h"
+#include "FieldView.h"
 #include "Context.h"
 
 extern Context_T CTX;
@@ -224,6 +225,8 @@ void GMSH_PluginManager::registerDefaultPlugins()
 		      ("Lambda2", GMSH_RegisterLambda2Plugin()));
     allPlugins.insert(std::pair < char *, GMSH_Plugin * >
 		      ("Probe", GMSH_RegisterProbePlugin()));
+    allPlugins.insert(std::pair < char *, GMSH_Plugin * >
+		      ("FieldView", GMSH_RegisterFieldViewPlugin()));
 #if defined(HAVE_TRIANGLE)
     allPlugins.insert(std::pair < char *, GMSH_Plugin * >
 		      ("Triangulate", GMSH_RegisterTriangulatePlugin()));