From 63bf8b9e4d6d16b7d3f3d9271246f86b337df626 Mon Sep 17 00:00:00 2001
From: D Fournier <fourndo@gmail.com>
Date: Wed, 24 Feb 2016 20:59:51 -0800
Subject: [PATCH] Add linear survey

---
 SimPEG/Survey.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/SimPEG/Survey.py b/SimPEG/Survey.py
index 47a88ae2..cc877c69 100644
--- a/SimPEG/Survey.py
+++ b/SimPEG/Survey.py
@@ -375,3 +375,11 @@ class BaseSurvey(object):
         self.dobs = self.dtrue+noise
         self.std = self.dobs*0 + std
         return self.dobs
+
+class LinearSurvey(BaseSurvey):
+    def projectFields(self, u):
+        return u
+    
+    @property
+    def nD(self):
+        return self.prob.G.shape[0]
\ No newline at end of file