Re-enable linear-elasticity by removing Amiramesh components

This makes the program compile again, but it will not run. Further changes in the data readers has to be made.

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Deprecations and removals
 
-- The support of `Amiramesh` is dropped in dune-grid and thus the program `linear-elasticity` is removed from CMakeLists.txt
+- The support of `Amiramesh` is dropped in dune-grid and thus the program `linear-elasticity` is modified to compile with `Gmsh` but it will not run.
 
 # 2.8 Release
 

src/CMakeLists.txt

 # Note: PYTHONLIBS_FOUND is only for backwards compatibility with dune-fufem 2.7 and can be removed
 #       in the next release
 if(ADOLC_FOUND AND IPOPT_FOUND AND ( Python3_FOUND OR PYTHONLIBS_FOUND )  AND dune-uggrid_FOUND)
-  set(programs finite-strain-elasticity)
-              #linear-elasticity depends on Amiramesh which is dropped since DUNE 2.8
+  set(programs linear-elasticity
+               finite-strain-elasticity)
 
   foreach(_program ${programs})
     add_executable(${_program} ${_program}.cc)
@@ -13,13 +13,5 @@ if(ADOLC_FOUND AND IPOPT_FOUND AND ( Python3_FOUND OR PYTHONLIBS_FOUND )  AND du
     add_dune_mpi_flags(${_program})
 #    target_compile_options(${_program} PRIVATE "-fpermissive")
   endforeach()
-
-  if (AMIRAMESH_FOUND)
-    add_dune_amiramesh_flags(linear-elasticity)
-  endif()
-
-  if (PSURFACE_FOUND)
-    add_dune_psurface_flags(linear-elasticity)
-  endif()
 endif()
 

src/linear-elasticity.cc

@@ -5,7 +5,7 @@
 #include <dune/common/parametertreeparser.hh>
 
 #include <dune/grid/uggrid.hh>
-#include <dune/grid/io/file/amirameshreader.hh>
+#include <dune/grid/io/file/gmshreader.hh>
 #include <dune/grid/io/file/vtk.hh>
 
 #include <dune/istl/io.hh>
@@ -93,36 +93,31 @@ int main (int argc, char *argv[]) try
     using GridView = GridType::LeafGridView;
     grid->setRefinementType(GridType::COPY);
 
-#if HAVE_AMIRAMESH
-    if (paramBoundaries)
-        grid = AmiraMeshReader<GridType>::read(path + gridFile, PSurfaceBoundary<dim-1>::read(path + parFile));
-    else
-        grid = AmiraMeshReader<GridType>::read(path + gridFile);
-#else
-#warning You need libamiramesh for this code!
-#endif
+
+    // TODO We have no Psurface available in DUNE since 2.8
+//     if (paramBoundaries)
+//         grid = AmiraMeshReader<GridType>::read(path + gridFile, PSurfaceBoundary<dim-1>::read(path + parFile));
+//     else
+    grid = GmshReader<GridType>::read(path + gridFile).get();
 
     LevelBoundaryPatch coarseDirichletBoundary;
     coarseDirichletBoundary.setup(grid->levelGridView(0));
     readBoundaryPatch<GridType>(coarseDirichletBoundary, path + dirichletFile);
 
     VectorType coarseDirichletValues(grid->size(0, dim));
-#if HAVE_AMIRAMESH
-    AmiraMeshReader<GridType>::readFunction(coarseDirichletValues, path + dirichletValuesFile);
-#else
-#warning You need libamiramesh for this code!
-#endif
+
+    // TODO We have no value reader in Gmsh!
+//     AmiraMeshReader<GridType>::readFunction(coarseDirichletValues, path + dirichletValuesFile);
 
     LevelBoundaryPatch coarseNeumannBoundary;
     coarseNeumannBoundary.setup(grid->levelGridView(0));
     readBoundaryPatch<GridType>(coarseNeumannBoundary, path + neumannFile);
 
     VectorType coarseNeumannValues(grid->size(0, dim));
-#if HAVE_AMIRAMESH
-    AmiraMeshReader<GridType>::readFunction(coarseNeumannValues, path + neumannValuesFile);
-#else
-#warning You need libamiramesh for this code!
-#endif
+
+    // TODO We have no value reader in Gmsh!
+//     AmiraMeshReader<GridType>::readFunction(coarseNeumannValues, path + neumannValuesFile);
+
     P1NodalBasis<GridType::LevelGridView> coarseBasis(grid->levelGridView(0));
 
     auto coarseDir = ::Functions::makeFunction(coarseBasis,coarseDirichletValues);