From b17b702b4b4e1cbb52f890482bfc23d9f2333864 Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Fri, 6 May 2016 16:31:44 +0100
Subject: [PATCH] Added base coordinate properties for use with rx_step.

---
 gprMax/receivers.py | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/gprMax/receivers.py b/gprMax/receivers.py
index a23af955..5ac050fd 100644
--- a/gprMax/receivers.py
+++ b/gprMax/receivers.py
@@ -21,16 +21,13 @@ class Rx(object):
     
     availableoutputs = ['Ex', 'Ey', 'Ez', 'Hx', 'Hy', 'Hz', 'Ix', 'Iy', 'Iz']
     
-    def __init__(self, xcoord=None, ycoord=None, zcoord=None):
-        """
-        Args:
-            xcoord (float): x-coordinate of location in model.
-            ycoord (float): y-coordinate of location in model.
-            zcoord (float): z-coordinate of location in model.
-        """
+    def __init__(self):
         
         self.ID = None
         self.outputs = []
-        self.xcoord = xcoord
-        self.ycoord = ycoord
-        self.zcoord = zcoord
\ No newline at end of file
+        self.xcoord = None
+        self.ycoord = None
+        self.zcoord = None
+        self.xcoordbase = None
+        self.ycoordbase = None
+        self.zcoordbase = None
\ No newline at end of file