1 files changed, 34 insertions, 0 deletions
diff --git a/Source/Utils/WarpXTagging.cpp b/Source/Utils/WarpXTagging.cpp
new file mode 100644
index 000000000..21acbefdc
--- /dev/null
+++ b/Source/Utils/WarpXTagging.cpp
@@ -0,0 +1,34 @@
+
+#include <WarpX.H>
+#include <AMReX_BoxIterator.H>
+#include <array>
+#include <algorithm>
+
+using namespace amrex;
+
+void
+WarpX::ErrorEst (int lev, TagBoxArray& tags, Real time, int /*ngrow*/)
+{
+    const Real* problo = Geometry::ProbLo();
+    const Real* dx = Geom(lev).CellSize();
+
+#ifdef _OPENMP
+#pragma omp parallel
+#endif
+    for (MFIter mfi(tags); mfi.isValid(); ++mfi)
+    {
+        auto& fab = tags[mfi];
+        const Box& bx = fab.box();
+        for (BoxIterator bi(bx); bi.ok(); ++bi)
+        {
+            const IntVect& cell = bi();
+            RealVect pos {AMREX_D_DECL((cell[0]+0.5)*dx[0]+problo[0],
+                                       (cell[1]+0.5)*dx[1]+problo[1],
+                                       (cell[2]+0.5)*dx[2]+problo[2])};
+            if (pos > fine_tag_lo && pos < fine_tag_hi) {
+                fab(cell) = TagBox::SET;
+            }
+        }
+    }
+}
+