From 306e31ef047920db0747521a017420dc5461172a Mon Sep 17 00:00:00 2001
From: Rowan Cockett <rowan@visiblegeology.com>
Date: Sat, 3 Aug 2013 13:53:08 -0700
Subject: [PATCH] Added warning to the faceInfo utils ---> this does not
 compute concave areas correctly.

This is an issue, and should be fixed in future versions.
---
 SimPEG/utils.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SimPEG/utils.py b/SimPEG/utils.py
index e92f81cb..0741b7bb 100644
--- a/SimPEG/utils.py
+++ b/SimPEG/utils.py
@@ -281,8 +281,8 @@ def faceInfo(xyz, A, B, C, D, average=True, normalizeNormals=True):
     # Each triangle is one half of the length of the cross product
     #
     # So also could be viewed as the average parallelogram.
-    print nA, nB, nC, nD
-    print length(nA), length(nB), length(nC), length(nD)
+    #
+    # WARNING: This does not compute correctly for concave quadrilaterals
     area = (length(nA)+length(nB)+length(nC)+length(nD))/4
 
     return N, area