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git-svn-id: https://svn.dealii.org/trunk@25673 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/grid/grid_tools.cc b/deal.II/source/grid/grid_tools.cc
index 1d8aceb57a00b224b0fa82a03a69bc40334c2221..9995e755cd8e6c8bd53a65e83b45f8b2c50ba269 100644 (file)
--- a/deal.II/source/grid/grid_tools.cc
+++ b/deal.II/source/grid/grid_tools.cc
@@ -842,7 +842,17 @@ namespace GridTools
           }
         catch (typename MappingQ1<dim,spacedim>::ExcTransformationFailed &)
           {
-//TODO: Maybe say something
+                                            // ok, the transformation
+                                            // failed presumably
+                                            // because the point we
+                                            // are looking for lies
+                                            // outside the current
+                                            // cell. this means that
+                                            // the current cell can't
+                                            // be the cell around the
+                                            // point, so just ignore
+                                            // this cell and move on
+                                            // to the next
           }
 
       }