From 2bc15fb31b4af6056758185cba81059a068bb881 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Mon, 27 Feb 2012 10:09:06 +0100
Subject: [PATCH] Generate 2D normals of length equal to face area.

---
 opm/core/utility/cart_grid.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/opm/core/utility/cart_grid.c b/opm/core/utility/cart_grid.c
index 56c92e4a..176d3475 100644
--- a/opm/core/utility/cart_grid.c
+++ b/opm/core/utility/cart_grid.c
@@ -707,14 +707,14 @@ fill_cart_geometry_2d(struct UnstructuredGrid *G,
     /* Faces with x-normal */
     for (j=0; j<ny; ++j) {
         for (i=0; i<nx+1; ++i) {
-            *fnormals++ = 1;
+            dy = y[j + 1] - y[j];
+
+            *fnormals++ = dy;
             *fnormals++ = 0;
 
             *fcentroids++ = x[i];
             *fcentroids++ = (y[j] + y[j + 1]) / 2.0;
 
-            dy = y[j + 1] - y[j];
-
             *fareas++ = dy;
         }
     }
@@ -722,14 +722,14 @@ fill_cart_geometry_2d(struct UnstructuredGrid *G,
     /* Faces with y-normal */
     for (j=0; j<ny+1; ++j) {
         for (i=0; i<nx; ++i) {
+            dx = x[i + 1] - x[i];
+
             *fnormals++ = 0;
-            *fnormals++ = 1;
+            *fnormals++ = dx;
 
             *fcentroids++ = (x[i] + x[i + 1]) / 2.0;
             *fcentroids++ = y[j];
 
-            dx = x[i + 1] - x[i];
-
             *fareas++ = dx;
         }
     }