Further indicatorize geometry setup

Grid refinement is at its easiest when discrete materials are set using
analytical - i.e. resolution independent - indicators.

2 files changed, 11 insertions, 1 deletions

diff --git a/src/refinement/grid2D.h b/src/refinement/grid2D.h
index fda38ed..6d3579c 100644
--- a/src/refinement/grid2D.h
+++ b/src/refinement/grid2D.h
@@ -76,6 +76,8 @@ public:
   CoarseCoupler2D<T,DESCRIPTOR>& addCoarseCoupling(
     Grid2D<T,DESCRIPTOR>& fineGrid, Vector<T,2> origin, Vector<T,2> extend);
 
+  Vector<T,2> alignToGrid(Vector<T,2> physR) const;
+
   Grid2D<T,DESCRIPTOR>& refine(IndicatorF2D<T>& domainF);
   Grid2D<T,DESCRIPTOR>& refine(Vector<T,2> origin, Vector<T,2> extend);
 
diff --git a/src/refinement/grid2D.hh b/src/refinement/grid2D.hh
index 86c3102..d609746 100644
--- a/src/refinement/grid2D.hh
+++ b/src/refinement/grid2D.hh
@@ -169,13 +169,21 @@ Grid2D<T,DESCRIPTOR>& Grid2D<T,DESCRIPTOR>::refine(IndicatorF2D<T>& domainF)
     new Grid2D<T,DESCRIPTOR>(
       domainF,
       2*getConverter().getResolution(),
-      2.0*getConverter().getLatticeRelaxationTime() - 0.5,
+      2*getConverter().getLatticeRelaxationTime() - 0.5,
       getConverter().getReynoldsNumber()
     ));
   return *_fineGrids.back();
 }
 
 template <typename T, template<typename> class DESCRIPTOR>
+Vector<T,2> Grid2D<T,DESCRIPTOR>::alignToGrid(Vector<T,2> physR) const
+{
+  Vector<int,3> latticeR{};
+  _cuboids->getLatticeR(physR, latticeR);
+  return _cuboids->getPhysR(latticeR.toStdVector());
+}
+
+template <typename T, template<typename> class DESCRIPTOR>
 Grid2D<T,DESCRIPTOR>& Grid2D<T,DESCRIPTOR>::refine(Vector<T,2> origin, Vector<T,2> extend)
 {
   IndicatorCuboid2D<T> fineCuboid(extend, origin);