From 84b0c714c32153e4246566cb2d90cb0c95fd8072 Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Mon, 14 Dec 2015 10:17:58 +0000
Subject: [PATCH] Cleaned up some code formatting.

---
 gprMax/geometry_views.py | 1 +
 gprMax/materials.py      | 3 +++
 gprMax/pml.py            | 7 ++++++-
 gprMax/receivers.py      | 1 +
 gprMax/snapshots.py      | 1 +
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/gprMax/geometry_views.py b/gprMax/geometry_views.py
index 51d0954d..c90367b6 100644
--- a/gprMax/geometry_views.py
+++ b/gprMax/geometry_views.py
@@ -39,6 +39,7 @@ class GeometryView:
             filename (str): Filename to save to.
             type (str): Either 'n' for a per cell geometry view, or 'f' for a per cell edge geometry view.
         """
+        
         self.xs = xs
         self.ys = ys
         self.zs = zs
diff --git a/gprMax/materials.py b/gprMax/materials.py
index 27bec31c..5552fb5d 100644
--- a/gprMax/materials.py
+++ b/gprMax/materials.py
@@ -49,6 +49,7 @@ class Material():
             ID (str): Name of the material.
             G (class): Grid class instance - holds essential parameters describing the model.
         """
+        
         self.numID = numID
         self.ID = ID
         self.type = 'standard'
@@ -73,6 +74,7 @@ class Material():
         Args:
             G (class): Grid class instance - holds essential parameters describing the model.
         """
+        
         HA = (m0*self.mr / G.dt) + 0.5*self.sm
         HB = (m0*self.mr / G.dt) - 0.5*self.sm
         self.DA = HB / HA
@@ -155,6 +157,7 @@ class PeplinskiSoil():
             sandpartdensity (float): Density of the sand particles in the soil (g/cm3).
             watervolfraction (float): Two numbers that specify a range for the volumetric water fraction of the soil.
         """
+        
         self.ID = ID
         self.S = sandfraction
         self.C = clayfraction
diff --git a/gprMax/pml.py b/gprMax/pml.py
index f7e36d26..f0cbbf15 100644
--- a/gprMax/pml.py
+++ b/gprMax/pml.py
@@ -40,6 +40,7 @@ class CFS():
            sigmamin (float): Minimum value for sigma parameter.
            sigmamax (float): Maximum value for sigma parameter.
         """
+        
         self.alphascaling = alphascaling
         self.alphamin = alphamin
         self.alphamax = alphamax
@@ -59,6 +60,7 @@ class CFS():
             mr (float): Average permeability of underlying material.
             G (class): Grid class instance - holds essential parameters describing the model.
         """
+        
         # Get general direction from first letter of PML direction
         if direction[0] == 'x':
             d = G.dx
@@ -84,6 +86,7 @@ class CFS():
             Evalues (float): numpy array holding scaling value for electric PML update.
             Hvalues (float): numpy array holding scaling value for magnetic PML update.
         """
+        
         tmp = max * ((np.linspace(0, (len(Evalues) - 1) + 0.5, num=2*len(Evalues))) / (len(Evalues) - 1)) ** order
         Evalues = tmp[0:-1:2]
         Hvalues = tmp[1::2]
@@ -103,6 +106,7 @@ class CFS():
             Evalues (float): numpy array holding scaling value for electric PML update.
             Hvalues (float): numpy array holding scaling value for magnetic PML update.
         """
+        
         if scaling == 'constant':
             Evalues += max
             Hvalues += max
@@ -126,6 +130,7 @@ class PML():
             xs, xf, ys, yf, zs, zf (float): Extent of the PML volume.
             cfs (list): CFS class instances associated with the PML.
         """
+        
         self.direction = direction
         self.xs = xs
         self.xf = xf
@@ -270,7 +275,7 @@ def build_pml(G):
 def calculate_initial_pml_params(G):
     """ This function calculates the initial parameters and coefficients for PML including setting scaling
         (based on underlying material er and mr from solid array).
-        """
+    """
     
     for pml in G.pmls:
         sumer = 0
diff --git a/gprMax/receivers.py b/gprMax/receivers.py
index 0b303fb8..970cd6f1 100644
--- a/gprMax/receivers.py
+++ b/gprMax/receivers.py
@@ -28,6 +28,7 @@ class Rx:
             positiony (float): y-coordinate of location in model.
             positionz (float): z-coordinate of location in model.
         """
+        
         self.ID = None
         self.outputs = []
         self.positionx = positionx
diff --git a/gprMax/snapshots.py b/gprMax/snapshots.py
index f6ead258..eae73dde 100644
--- a/gprMax/snapshots.py
+++ b/gprMax/snapshots.py
@@ -49,6 +49,7 @@ class Snapshot:
             time (int): Iteration number to take the snapshot on.
             filename (str): Filename to save to.
         """
+        
         self.xs = xs
         self.ys = ys
         self.zs = zs