Timo Koch
--- a/dune/foamgrid/foamgrid/foamgrid.cc
+++ b/dune/foamgrid/foamgrid/foamgrid.cc

 return true;
 }
+
+// change a vertex' position on all levels
--- a/dune/foamgrid/test/setposition-test.cc 0 → 100644
+++ b/dune/foamgrid/test/setposition-test.cc 0 → 100644
+
+ Dune::VTKWriter<typename Grid::LeafGridView > writer(grid->leafGridView(), Dune::VTK::nonconforming);
+ writer.write("setposition_0");
+
+ // move all vertices
+ for (const auto& vertex : vertices(grid->leafGridView()))
+   grid->setPosition(vertex, getPosition(vertex->geometry().center()));
+
+ writer.write("setposition_1");
+
+ grid->globalRefine(-1);
+
+ writer.write("setposition_2");
+
+ gridcheck(*grid);
+}