fix how we pick the first cell to output in DataOut when it is filtered (see tests...

git-svn-id: https://svn.dealii.org/branches/branch_port_the_testsuite@31269 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/numerics/data_out.cc b/deal.II/source/numerics/data_out.cc
index 539ac2d973a561025f47b669038961c1ed340827..be256797bb887e0798432c0ff17a5f0e405608f3 100644 (file)
--- a/deal.II/source/numerics/data_out.cc
+++ b/deal.II/source/numerics/data_out.cc
@@ -465,7 +465,7 @@ typename DataOut<dim,DH>::cell_iterator
 DataOut<dim,DH>::first_locally_owned_cell ()
 {
   typename DataOut<dim,DH>::cell_iterator
-  cell = this->triangulation->begin_active ();
+    cell = first_cell();
 
   // skip cells if the current one has no children (is active) and is a ghost
   // or artificial cell