fix bugs with sparse steps

Fltk/pluginWindow.cpp

@@ -315,7 +315,7 @@ pluginWindow::pluginWindow(int deltaFontSize)
   browser->box(FL_FLAT_BOX);
   browser->has_scrollbar(Fl_Browser_::VERTICAL);
 
-  view_browser = new Fl_Multi_Browser(L1, 0, L2, height);
+  view_browser = new Fl_Multi_Browser(L1 + 1, 0, L2 - 1, height);
   view_browser->has_scrollbar(Fl_Browser_::VERTICAL);
   view_browser->callback(plugin_browser_cb);
   view_browser->box(FL_FLAT_BOX);

Plugin/Levelset.cpp

@@ -291,7 +291,7 @@ void GMSH_LevelsetPlugin::_cutAndAddElements(PViewData *vdata, PViewData *wdata,
       // check which edges cut the iso and interpolate the value
       if(wstep < 0) otherstep = step;
 
-      //if(!wdata->hasTimeStep(otherstep)) continue;
+      if(!wdata->hasTimeStep(otherstep)) continue;
 
       int np = 0;
       double xp[12], yp[12], zp[12], valp[12][9];
@@ -488,7 +488,7 @@ PView *GMSH_LevelsetPlugin::execute(PView *v)
   else{
     // create one view per timestep
     for(int step = 0; step < vdata->getNumTimeSteps(); step++){
-      //if(!vdata->hasTimeStep(step)) continue;
+      if(!vdata->hasTimeStep(step)) continue;
       PViewDataList *out = getDataList(new PView());
       for(int ent = 0; ent < vdata->getNumEntities(step); ent++){
         for(int ele = 0; ele < vdata->getNumElements(step, ent); ele++){

Post/PViewDataGModel.cpp

@@ -292,8 +292,10 @@ SBoundingBox3d PViewDataGModel::getBoundingBox(int step)
 {
   if(step < 0 || _steps.empty()){
     SBoundingBox3d tmp;
-    for(unsigned int i = 0; i < _steps.size(); i++)
+    for(unsigned int i = 0; i < _steps.size(); i++){
+      if(!_steps[i]->getBoundingBox().empty())
         tmp += _steps[i]->getBoundingBox();
+    }
     return tmp;
   }
   return _steps[step]->getBoundingBox();

Post/PViewDataGModelIO.cpp

@@ -49,10 +49,8 @@ bool PViewDataGModel::addData(GModel *model, std::map<int, std::vector<double> >
 void PViewDataGModel::destroyData()
 {
   for(unsigned int i = 0; i < _steps.size(); i++)
-  {
     _steps[i]->destroyData();
 }
-}
 
 bool PViewDataGModel::readMSH(const std::string &viewName, const std::string &fileName,
                               int fileIndex, FILE *fp, bool binary, bool swap,