gui draw segment and surfacelement numbers

libsrc/visualization/vispar.hpp

@@ -58,6 +58,8 @@ public:
   int drawedgenumbers;
   int drawfacenumbers;
   int drawelementnumbers;
+  int drawsurfaceelementnumbers;
+  int drawsegmentnumbers;
   int drawdomainsurf;
   int drawtets;
   int drawtetsdomain;

libsrc/visualization/vsmesh.cpp

@@ -209,6 +209,8 @@ namespace netgen
     if (vispar.drawpointnumbers ||
 	vispar.drawedgenumbers ||
 	vispar.drawfacenumbers ||
+        vispar.drawsegmentnumbers ||
+        vispar.drawsurfaceelementnumbers ||
 	vispar.drawelementnumbers)
       glCallList (pointnumberlist);
 
@@ -366,6 +368,8 @@ namespace netgen
     if (vispar.drawpointnumbers ||
 	vispar.drawedgenumbers ||
 	vispar.drawfacenumbers ||
+        vispar.drawsegmentnumbers ||
+        vispar.drawsurfaceelementnumbers ||
 	vispar.drawelementnumbers)
       {
 	//     	glEnable (GL_COLOR_MATERIAL);
@@ -427,8 +431,18 @@ namespace netgen
 
 	  }
 
+          if (vispar.drawsegmentnumbers)
+            {
+              for (auto si : Range(mesh->LineSegments())) {
+                const auto& seg = (*mesh)[si];
+                Point<3> c = Center((*mesh)[seg[0]], (*mesh)[seg[1]]);
+		glRasterPos3d (c[0], c[1], c[2]);
+		snprintf (buf, size(buf),  "%d", int(si));
+		MyOpenGLText (buf);
+              }
+            }
 
-	if (vispar.drawfacenumbers)
+          if (vispar.drawfacenumbers)
 	  {
 	    const MeshTopology & top = mesh->GetTopology();
 	    NgArray<int> v;
@@ -458,9 +472,28 @@ namespace netgen
 	      }
 	  }
 
+          if (vispar.drawsurfaceelementnumbers)
+            {
+              for (auto sei : Range(mesh->SurfaceElements()))
+                {
+                  const auto & sel = (*mesh)[sei];
+                  Point<3> c;
+                  if(sel.GetNV() == 3)
+                    c = Center((*mesh)[sel[0]],
+                               (*mesh)[sel[1]],
+                               (*mesh)[sel[2]]);
+                  else
+                    c = Center((*mesh)[sel[0]],
+                               (*mesh)[sel[1]],
+                               (*mesh)[sel[2]],
+                               (*mesh)[sel[3]]);
+                  glRasterPos3d (c[0], c[1], c[2]);
+                  snprintf (buf, size(buf),  "%d", int(sei));
+                  MyOpenGLText (buf);
+                }
+            }
 
-
+        if (vispar.drawelementnumbers)
-	if (vispar.drawelementnumbers)
 	  {
 	    NgArray<int> v;
 	    for (int i = 1; i <= mesh->GetNE(); i++)

ng/dialog.tcl

@@ -1214,6 +1214,12 @@ proc viewingoptionsdialog { } {
 	ttk::checkbutton $f.showelementnumbers -text "Show Element-numbers" \
 	    -variable viewoptions.drawelementnumbers \
 	    -command { Ng_SetVisParameters; redraw }
+        ttk::checkbutton $f.showsegmentnumbers -text "Show Segment-numbers" \
+            -variable viewoptions.drawsegmentnumbers \
+            -command { Ng_SetVisParameters; redraw }
+        ttk::checkbutton $f.showsurfaceelementnumbers -text "Show Surfaceelement-numbers" \
+            -variable viewoptions.drawsurfaceelementnumbers \
+            -command { Ng_SetVisParameters; redraw }
 	
 	# label $f.showdomainlab -text "Domain Surface"
 #	scale $f.showdomain -orient horizontal -length 100 -from 0 -to 50 \
@@ -1281,7 +1287,8 @@ proc viewingoptionsdialog { } {
         grid $f.showfilledtrigs $f.showoutline -sticky nw
         grid $f.showedges $f.showbadels -sticky nw
         grid $f.showpointnumbers $f.showedgenumbers -sticky nw
-        grid $f.showfacenumbers $f.showelementnumbers -sticky nw        
+        grid $f.showfacenumbers $f.showelementnumbers -sticky nw
+        grid $f.showsurfaceelementnumbers $f.showsegmentnumbers -sticky nw
         grid $f.showmetispartition $f.showidentified -sticky nw
 	grid $f.showcolor $f.showpyramids -sticky nw 
         grid $f.showprisms $f.showhexes -sticky nw        

ng/ngpkg.cpp

@@ -2644,6 +2644,10 @@ void PlayAnimFile(const char* name, int speed, int maxcnt)
       atoi (Tcl_GetVar (interp, "::viewoptions.drawfacenumbers", TCL_GLOBAL_ONLY));
     vispar.drawelementnumbers =
       atoi (Tcl_GetVar (interp, "::viewoptions.drawelementnumbers", TCL_GLOBAL_ONLY));
+    vispar.drawsurfaceelementnumbers =
+      atoi (Tcl_GetVar (interp, "::viewoptions.drawsurfaceelementnumbers", TCL_GLOBAL_ONLY));
+    vispar.drawsegmentnumbers =
+      atoi (Tcl_GetVar (interp, "::viewoptions.drawsegmentnumbers", TCL_GLOBAL_ONLY));
     vispar.drawdomainsurf =
       atoi (Tcl_GetVar (interp, "::viewoptions.drawdomainsurf", TCL_GLOBAL_ONLY));
 

ng/onetcl.cpp

@@ -145,6 +145,8 @@ DLL_HEADER const char * ngscript[] = {""
 ,"set viewoptions.drawedgenumbers 0\n"
 ,"set viewoptions.drawfacenumbers 0\n"
 ,"set viewoptions.drawelementnumbers 0\n"
+,"set viewoptions.drawsegmentnumbers 0\n"
+,"set viewoptions.drawsurfaceelementnumbers 0\n"
 ,"set viewoptions.drawdomainsurf 0\n"
 ,"set viewoptions.drawededges 1\n"
 ,"set viewoptions.drawedpoints 1\n"
@@ -2183,6 +2185,12 @@ DLL_HEADER const char * ngscript[] = {""
 ,"ttk::checkbutton $f.showelementnumbers -text \"Show Element-numbers\" \\\n"
 ,"-variable viewoptions.drawelementnumbers \\\n"
 ,"-command { Ng_SetVisParameters; redraw }\n"
+,"ttk::checkbutton $f.showsegmentnumbers -text \"Show Segment-numbers\" \\\n"
+,"-variable viewoptions.drawsegmentnumbers \\\n"
+,"-command { Ng_SetVisParameters; redraw }\n"
+,"ttk::checkbutton $f.showsurfaceelementnumbers -text \"Show Surfaceelement-numbers\" \\\n"
+,"-variable viewoptions.drawsurfaceelementnumbers \\\n"
+,"-command { Ng_SetVisParameters; redraw }\n"
 ,"ttk::frame $f.frametets\n"
 ,"ttk::checkbutton $f.frametets.showtets -text \"\" \\\n"
 ,"-variable viewoptions.drawtets \\\n"
@@ -2212,6 +2220,7 @@ DLL_HEADER const char * ngscript[] = {""
 ,"grid $f.showedges $f.showbadels -sticky nw\n"
 ,"grid $f.showpointnumbers $f.showedgenumbers -sticky nw\n"
 ,"grid $f.showfacenumbers $f.showelementnumbers -sticky nw\n"
+,"grid $f.showsurfaceelementnumbers $f.showsegmentnumbers -sticky nw\n"
 ,"grid $f.showmetispartition $f.showidentified -sticky nw\n"
 ,"grid $f.showcolor $f.showpyramids -sticky nw\n"
 ,"grid $f.showprisms $f.showhexes -sticky nw\n"

ng/variables.tcl

@@ -112,6 +112,8 @@ set viewoptions.drawpointnumbers 0
 set viewoptions.drawedgenumbers 0
 set viewoptions.drawfacenumbers 0
 set viewoptions.drawelementnumbers 0
+set viewoptions.drawsegmentnumbers 0
+set viewoptions.drawsurfaceelementnumbers 0
 set viewoptions.drawdomainsurf 0
 
 set viewoptions.drawededges 1