PViewX3D is a extension for Post-processing outputs :

creates a file in X3D format with the same features as what is visible in post-processing screen.
contact : gilles.marckmann@ec-nantes.fr

Fltk/graphicWindow.cpp

@@ -322,6 +322,8 @@ static int _save_view_med(const char *name){ return genericViewFileDialog
     (name, "MED Options", 6); }
 static int _save_view_txt(const char *name){ return genericViewFileDialog
     (name, "TXT Options", 4); }
+static int _save_view_wrl(const char *name){ return genericViewFileDialog
+    (name, "X3D Options", 7); } 
 
 static int _save_auto(const char *name)
 {
@@ -405,6 +407,7 @@ static void file_save_as_cb(Fl_Widget *w, void *data)
     {"Mesh - PLY2 Surface" TT "*.ply2", _save_ply2},
     {"Mesh - SU2" TT "*.su2", _save_su2},
     {"Post-processing - Gmsh POS" TT "*.pos", _save_view_pos},
+    {"Post-processing - X3D (X3D)" TT "*.x3d", _save_view_wrl},
 #if defined(HAVE_MED)
     {"Post-processing - MED" TT "*.rmed", _save_view_med},
 #endif

Graphics/drawPost.cpp

@@ -408,6 +408,7 @@ class drawPView {
     // use adaptive data if available
     PViewData *data = p->getData(true);
     PViewOptions *opt = p->getOptions();
+    p->setDrawContext(_ctx);
    
     if(data->getDirty() || !data->getNumTimeSteps()) return;
     if(!opt->visible || opt->type != PViewOptions::Plot3D) return;

Post/CMakeLists.txt

@@ -5,7 +5,7 @@
 
 set(SRC
   PView.cpp PViewIO.cpp PViewVertexArrays.cpp
-    PViewData.cpp PViewDataIO.cpp
+    PViewData.cpp PViewDataIO.cpp PViewX3D.cpp
       PViewDataList.cpp PViewDataListIO.cpp
       PViewDataGModel.cpp PViewDataGModelIO.cpp
     PViewOptions.cpp

Post/PView.cpp

@@ -354,3 +354,4 @@ double PView::getMemoryInMb()
   mem += getData()->getMemoryInMb();
   return mem;
 }
+

Post/PView.h

@@ -10,6 +10,8 @@
 #include <map>
 #include <string>
 #include "SPoint3.h"
+#include "drawContext.h"
+
 
 class PViewData;
 class PViewOptions;
@@ -75,6 +77,8 @@ class PView{
   // get/set the view data
   PViewData *getData(bool useAdaptiveIfAvailable=false);
   void setData(PViewData *val){ _data = val; }
+  // current drawContext
+  drawContext *_ctx;
 
   // get the view tag (unique and immutable)
   int getTag(){ return _tag; }
@@ -93,6 +97,7 @@ class PView{
   // get/set the eye position (for transparency calculations)
   SPoint3 &getEye(){ return _eye; }
   void setEye(SPoint3 &p){ _eye = p; }
+  void setDrawContext(drawContext *ctx){_ctx=ctx;}
 
   // get (approx.) memory used by the view, in Mb
   double getMemoryInMb();
@@ -121,7 +126,7 @@ class PView{
   static bool readPOS(const std::string &fileName, int fileIndex=-1);
   static bool readMSH(const std::string &fileName, int fileIndex=-1);
   static bool readMED(const std::string &fileName, int fileIndex=-1);
-
+  static bool writeX3D(const std::string &fileName );
   // IO write routine
   bool write(const std::string &fileName, int format, bool append=false);
 
@@ -137,6 +142,9 @@ class PView{
 
   // smoothed normals
   smooth_normals *normals;
+
+
+
 };
 
 // this is the maximum number of nodes of elements we actually *draw*
@@ -147,4 +155,8 @@ void changeCoordinates(PView *p, int ient, int iele,
                        double **xyz, double **val);
 bool isElementVisible(PViewOptions *opt, int dim, int numNodes,
                       double **xyz);
+
+
 #endif
+
+

Post/PViewDataIO.cpp

@@ -104,6 +104,8 @@ bool PViewData::writeTXT(const std::string &fileName)
   return true;
 }
 
+
+
 bool PViewData::writePOS(const std::string &fileName, bool binary, bool parsed,
                          bool append)
 {
@@ -193,6 +195,9 @@ bool PViewData::writeMED(const std::string &fileName)
   return false;
 }
 
+
+
+
 bool PViewData::toVector(std::vector<std::vector<double> > &vec)
 {
   vec.resize(getNumTimeSteps());

Post/PViewIO.cpp

@@ -6,8 +6,11 @@
 #include "GmshConfig.h"
 #include "GmshMessage.h"
 #include "PView.h"
+#include "PViewData.h"
+#include "PViewOptions.h"
 #include "PViewDataList.h"
 #include "PViewDataGModel.h"
+#include "VertexArray.h"
 #include "StringUtils.h"
 #include "Context.h"
 #include "OS.h"
@@ -302,6 +305,7 @@ bool PView::write(const std::string &fileName, int format, bool append)
                                 0, true, CTX::instance()->post.forceNodeData,
                                 CTX::instance()->post.forceElementData); break;
   case 6: ret = _data->writeMED(fileName); break;
+  case 7: ret = writeX3D(fileName); break;
   case 10:
     {
       std::string ext = SplitFileName(fileName)[2];
@@ -326,3 +330,6 @@ bool PView::write(const std::string &fileName, int format, bool append)
   if(ret) Msg::StatusBar(true, "Done writing '%s'", fileName.c_str());
   return ret;
 }
+
+
+

Post/PViewX3D.h

+// Gmsh - Copyright (C) 1997-2015 C. Geuzaine, J.-F. Remacle
+//
+// See the LICENSE.txt file for license information. Please report all
+// bugs and problems to the public mailing list <gmsh@geuz.org>.
+//
+// PViewX3D is a extension for Post-processing outputs :
+// creates a file in X3D format with the same features as
+// what is visible in post-processing screen.
+// contact : gilles.marckmann@ec-nantes.fr
+
+#ifndef _PVIEWX3D_H_
+#define _PVIEWX3D_H_
+
+#include <iostream>
+
+using namespace std;
+
+static inline void UnsignedChar2rgba(unsigned char *glc,double*rgba){
+  rgba[0]=glc[0]/255.; 
+  rgba[1]=glc[1]/255.; 
+  rgba[2]=glc[2]/255.;
+  rgba[3]=glc[3]/255.;
+}
+
+static inline void unsignedInt2RGBA(unsigned int &color,double &r,double &g, double &b,double &a)
+{
+  r =  color & 255; 
+  g = (color >> 8) & 255; 
+  b = (color >> 16) & 255; 
+  a = (color >> 24) & 255; 
+  r =r /255.;
+  g =g /255.;
+  b =b /255.;
+  a =a /255.;
+  // cout<< "couleur="<<color<<" / decomposition: "<<" r="<<r<<", g="<<g<<", b="<<b<<", a="<<a<<endl;
+  return;
+}
+
+static void writeX3DScale(FILE *fp, PView *p, double xmin, double ymin, double width, double height, double tic, int horizontal,double ratio);
+static void writeX3DScaleBar(FILE *fp, PView *p, double xmin, double ymin, double width, double height, double tic, int horizontal);
+static void writeX3DScaleValues(FILE *fp, PView *p, double xmin, double ymin, double width, double height, double tic, int horizontal,double ratio);
+static void writeX3DScaleLabel (FILE *fp, PView *p, double xmin, double ymin, double width, double height, double tic, int horizontal,double ratio);
+static void writeX3DStringCenter( FILE *fp,char *label,double x, double y, double z,double font_size); 
+ 
+
+#endif
+