[disc][geo] Deduce helper type in fvelementgeometry from gg

dumux/discretization/box/fvelementgeometry.hh

@@ -64,10 +64,7 @@ class BoxFVElementGeometry<GG, true>
     using CoordScalar = typename GridView::ctype;
     using FeLocalBasis = typename GG::FeCache::FiniteElementType::Traits::LocalBasisType;
     using GGCache = typename GG::Cache;
-
-    using GeometryHelper = BoxGeometryHelper<GridView, dim,
-                                             typename GG::SubControlVolume,
-                                             typename GG::SubControlVolumeFace>;
+    using GeometryHelper = typename GG::GeometryHelper;
 public:
     //! export the element type
     using Element = typename GridView::template Codim<0>::Entity;
@@ -244,10 +241,7 @@ class BoxFVElementGeometry<GG, false>
     using CoordScalar = typename GridView::ctype;
     using FeLocalBasis = typename GG::FeCache::FiniteElementType::Traits::LocalBasisType;
     using GGCache = typename GG::Cache;
-
-    using GeometryHelper = BoxGeometryHelper<GridView, dim,
-                                             typename GG::SubControlVolume,
-                                             typename GG::SubControlVolumeFace>;
+    using GeometryHelper = typename GG::GeometryHelper;
 public:
     //! export the element type
     using Element = typename GridView::template Codim<0>::Entity;

dumux/discretization/facecentered/diamond/fvelementgeometry.hh

@@ -56,7 +56,7 @@ class FaceCenteredDiamondFVElementGeometry<GG, /*cachingEnabled*/true>
     using LocalIndexType = typename IndexTraits<GridView>::SmallLocalIndex;
     using FeLocalBasis = typename GG::FeCache::FiniteElementType::Traits::LocalBasisType;
     using GGCache = typename GG::Cache;
-    using GeometryHelper = DiamondGeometryHelper<GridView, typename GG::SubControlVolume, typename GG::SubControlVolumeFace>;
+    using GeometryHelper = typename GG::GeometryHelper;
 
 public:
     //! export type of subcontrol volume face

dumux/discretization/pq1bubble/fvelementgeometry.hh

@@ -63,7 +63,7 @@ class PQ1BubbleFVElementGeometry<GG, true>
     using CoordScalar = typename GridView::ctype;
     using FeLocalBasis = typename GG::FeCache::FiniteElementType::Traits::LocalBasisType;
     using GGCache = typename GG::Cache;
-    using GeometryHelper = PQ1BubbleGeometryHelper<GridView, typename GG::SubControlVolume, typename GG::SubControlVolumeFace>;
+    using GeometryHelper = typename GG::GeometryHelper;
 public:
     //! export the element type
     using Element = typename GridView::template Codim<0>::Entity;

dumux/multidomain/facet/box/fvelementgeometry.hh

@@ -191,9 +191,7 @@ class BoxFacetCouplingFVElementGeometry<GG, false>
     using CoordScalar = typename GridView::ctype;
     using FeLocalBasis = typename GG::FeCache::FiniteElementType::Traits::LocalBasisType;
 
-    using GeometryHelper = BoxGeometryHelper<GridView, dim,
-                                             typename GG::SubControlVolume,
-                                             typename GG::SubControlVolumeFace>;
+    using GeometryHelper = typename GG::GeometryHelper;
 public:
     //! export type of the element
     using Element = typename GridView::template Codim<0>::Entity;

dumux/porousmediumflow/boxdfm/fvelementgeometry.hh

@@ -202,9 +202,7 @@ class BoxDfmFVElementGeometry<GG, false>
 
     using CoordScalar = typename GridView::ctype;
     using FeLocalBasis = typename GG::FeCache::FiniteElementType::Traits::LocalBasisType;
-    using GeometryHelper = BoxDfmGeometryHelper<GridView, dim,
-                                                typename GG::SubControlVolume,
-                                                typename GG::SubControlVolumeFace>;
+    using GeometryHelper = typename GG::GeometryHelper;
 public:
     //! export type of the element
     using Element = typename GridView::template Codim<0>::Entity;