*** empty log message ***

Fltk/classificationEditor.cpp

@@ -45,6 +45,7 @@ static void ElementsSelectedMode(classificationEditor *e)
   e->_togbuttons[CLASSTOGBUTTON_HIDE]->deactivate(); 
 }
 
+// we should 
 static void class_selectgface_cb(Fl_Widget *w, void *data)
 {
   classificationEditor *e = (classificationEditor*)data;
@@ -338,6 +339,9 @@ static void class_color_cb(Fl_Widget* w, void* data)
     }
   }
 
+  if ( !tris.size() )return;
+
+
   connectTriangles(tris);
 
   {