export transfinite info in unrolled geo

Geo/GEdge.cpp

@@ -196,6 +196,20 @@ void GEdge::writeGEO(FILE *fp)
       fprintf(fp, ", p%d + %d", tag(), i);
     fprintf(fp, ", %d};\n", getEndVertex()->tag());
   }
+
+  if(meshAttributes.Method == MESH_TRANSFINITE){
+    fprintf(fp, "Transfinite Line {%d} = %d", 
+            tag() * (meshAttributes.typeTransfinite > 0 ? 1 : -1),
+            meshAttributes.nbPointsTransfinite);
+    if(meshAttributes.typeTransfinite){
+      if(std::abs(meshAttributes.typeTransfinite) == 1)
+        fprintf(fp, " Using Progression ");
+      else
+        fprintf(fp, " Using Bump ");
+      fprintf(fp, "%g", meshAttributes.coeffTransfinite);
+    }
+    fprintf(fp, ";\n");
+  }
 }
 
 bool GEdge::containsParam(double pt) const

Geo/GFace.cpp

@@ -307,6 +307,22 @@ void GFace::writeGEO(FILE *fp)
   for(std::list<GVertex*>::iterator it = embedded_vertices.begin(); 
       it != embedded_vertices.end(); it++)
     fprintf(fp, "Point {%d} In Surface {%d};\n", (*it)->tag(), tag());
+
+  if(meshAttributes.Method == MESH_TRANSFINITE){
+    fprintf(fp, "Transfinite Surface {%d}", tag());
+    if(meshAttributes.corners.size()){
+      fprintf(fp, " = {");
+      for(unsigned int i = 0; i < meshAttributes.corners.size(); i++){
+        if(i) fprintf(fp, ",");
+        fprintf(fp, "%d", meshAttributes.corners[i]->tag());
+      }
+      fprintf(fp, "}");
+    }
+    fprintf(fp, ";\n");
+  }
+
+  if(meshAttributes.recombine)
+    fprintf(fp, "Recombine Surface {%d};\n", tag());
 }
 
 void GFace::computeMeanPlane()

Geo/GRegion.cpp

@@ -228,6 +228,19 @@ void GRegion::writeGEO(FILE *fp)
     fprintf(fp, "};\n");
     fprintf(fp, "Volume(%d) = {%d};\n", tag(), tag());
   }
+
+  if(meshAttributes.Method == MESH_TRANSFINITE){
+    fprintf(fp, "Transfinite Volume {%d}", tag());
+    if(meshAttributes.corners.size()){
+      fprintf(fp, " = {");
+      for(unsigned int i = 0; i < meshAttributes.corners.size(); i++){
+        if(i) fprintf(fp, ",");
+        fprintf(fp, "%d", meshAttributes.corners[i]->tag());
+      }
+      fprintf(fp, "}");
+    }
+    fprintf(fp, ";\n");
+  }
 }
 
 std::list<GEdge*> GRegion::edges() const

Geo/gmshEdge.cpp

@@ -342,4 +342,18 @@ void gmshEdge::writeGEO(FILE *fp)
       fprintf(fp, "\n");
   }
   fprintf(fp, "};\n");
+
+  if(meshAttributes.Method == MESH_TRANSFINITE){
+    fprintf(fp, "Transfinite Line {%d} = %d", 
+            tag() * (meshAttributes.typeTransfinite > 0 ? 1 : -1),
+            meshAttributes.nbPointsTransfinite);
+    if(meshAttributes.typeTransfinite){
+      if(std::abs(meshAttributes.typeTransfinite) == 1)
+        fprintf(fp, "Using Progression ");
+      else if(std::abs(meshAttributes.typeTransfinite) == 2)
+        fprintf(fp, "Using Bump ");
+      fprintf(fp, "%g", meshAttributes.coeffTransfinite);
+    }
+    fprintf(fp, ";\n");
+  }
 }