Update examples to recent changes in dune-vtk

src/example4.cc

@@ -16,7 +16,7 @@
 
 #include <dune/vtk/vtkreader.hh>
 #include <dune/vtk/gridcreators/lagrangegridcreator.hh>
-#include <dune/vtk/writers/vtkunstructuredgridwriter.hh>
+#include <dune/vtk/writers/unstructuredgridwriter.hh>
 #include <dune/vtk/datacollectors/lagrangedatacollector.hh>
 
 #include <dune/foamgrid/foamgrid.hh>
@@ -30,7 +30,7 @@ template <int order, class Grid>
 void write_grid (const Grid& grid, std::string filename)
 {
   Vtk::LagrangeDataCollector dataCollector{grid.leafGridView(), order};
-  VtkUnstructuredGridWriter vtkWriter{dataCollector, Vtk::FormatTypes::ASCII};
+  Vtk::UnstructuredGridWriter vtkWriter{dataCollector, Vtk::FormatTypes::ASCII};
   vtkWriter.write(filename);
 }
 

src/example5.cc

@@ -14,7 +14,7 @@
 #include <dune/curvedgrid/gridfunctions/analyticdiscretefunction.hh>
 #include <dune/grid/yaspgrid.hh>
 #include <dune/grid/io/file/gmshreader.hh>
-#include <dune/vtk/writers/vtkunstructuredgridwriter.hh>
+#include <dune/vtk/writers/unstructuredgridwriter.hh>
 #include <dune/vtk/datacollectors/lagrangedatacollector.hh>
 
 using namespace Dune;
@@ -23,7 +23,7 @@ template <int order, class Grid>
 void write_grid (const Grid& grid, std::string filename)
 {
   Vtk::LagrangeDataCollector dataCollector{grid.leafGridView(), order};
-  VtkUnstructuredGridWriter vtkWriter{dataCollector, Vtk::FormatTypes::ASCII};
+  Vtk::UnstructuredGridWriter vtkWriter{dataCollector, Vtk::FormatTypes::ASCII};
   vtkWriter.write(filename);
 }
 
@@ -107,4 +107,4 @@ int main(int argc, char** argv)
   sphere();
   torus();
   graph();
-}
+}
\ No newline at end of file