From 8ab7a52a2114ded2c8d4166c79cc732817968ad1 Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Thu, 24 Jul 2014 14:10:56 +0200
Subject: [PATCH] [Cleanup] Print grid info
---
src/sand-wedge.cc | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/src/sand-wedge.cc b/src/sand-wedge.cc
index 0dfdc6f0..cf831898 100644
--- a/src/sand-wedge.cc
+++ b/src/sand-wedge.cc
@@ -44,6 +44,7 @@
#include <dune/fufem/sharedpointermap.hh>
#include <dune/solvers/norms/energynorm.hh>
#include <dune/solvers/norms/sumnorm.hh>
+#include <dune/solvers/norms/twonorm.hh>
#include <dune/solvers/solvers/loopsolver.hh>
#include <dune/solvers/solvers/solver.hh>
#include <dune/tnnmg/nonlinearities/zerononlinearity.hh>
@@ -81,6 +82,21 @@ void initPython() {
Python::run("sys.path.append('" datadir "')");
}
+template <class Geometry> double diameter(Geometry const &geometry) {
+ auto const numCorners = geometry.corners();
+ std::vector<typename Geometry::GlobalCoordinate> corners(numCorners);
+ for (int i = 0; i < numCorners; ++i)
+ corners[i] = geometry.corner(i);
+
+ TwoNorm<typename Geometry::GlobalCoordinate> twoNorm;
+
+ double diameter = 0.0;
+ for (int i = 0; i < numCorners; ++i)
+ for (int j = 0; j < i; ++j)
+ diameter = std::max(diameter, twoNorm.diff(corners[i], corners[j]));
+ return diameter;
+}
+
int main(int argc, char *argv[]) {
try {
Dune::ParameterTree parset;
@@ -97,10 +113,24 @@ int main(int argc, char *argv[]) {
auto const refinements = parset.get<size_t>("grid.refinements");
grid->globalRefine(refinements);
+ double minDiameter = std::numeric_limits<double>::infinity();
+ double maxDiameter = 0.0;
+ for (auto it = grid->template leafbegin<0>();
+ it != grid->template leafend<0>(); ++it) {
+ auto const geometry = it->geometry();
+ auto const diam = diameter(geometry);
+ minDiameter = std::min(minDiameter, diam);
+ maxDiameter = std::max(maxDiameter, diam);
+ }
+ std::cout << "min diameter: " << minDiameter << std::endl;
+ std::cout << "max diameter: " << maxDiameter << std::endl;
+
using GridView = Grid::LeafGridView;
GridView const leafView = grid->leafGridView();
size_t const leafVertexCount = leafView.size(dims);
+ std::cout << "Number of DOFs: " << leafVertexCount << std::endl;
+
auto myFaces = gridConstructor.constructFaces(leafView);
// Neumann boundary
--
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