From 6b793f0d7d5674a28679c06bcbb3144135d28d36 Mon Sep 17 00:00:00 2001
From: Craig Warren <craig.warren@northumbria.ac.uk>
Date: Thu, 3 Nov 2022 21:16:39 +0000
Subject: [PATCH] Updates docstrings and line lengths

---
 gprMax/cmds_geometry/add_grass.py             | 67 +++++++++-----
 gprMax/cmds_geometry/add_surface_roughness.py | 88 +++++++++++++------
 gprMax/cmds_geometry/add_surface_water.py     | 42 +++++----
 gprMax/cmds_geometry/box.py                   | 31 +++----
 gprMax/cmds_geometry/cmds_geometry.py         | 35 ++++----
 gprMax/cmds_geometry/cylinder.py              | 35 ++++----
 gprMax/cmds_geometry/cylindrical_sector.py    | 73 ++++++++-------
 gprMax/cmds_geometry/edge.py                  | 21 ++---
 gprMax/cmds_geometry/fractal_box.py           | 78 +++++++++-------
 gprMax/cmds_geometry/fractal_box_builder.py   |  6 +-
 gprMax/cmds_geometry/geometry_objects_read.py | 26 ++++--
 gprMax/cmds_geometry/plate.py                 | 27 +++---
 gprMax/cmds_geometry/sphere.py                | 29 +++---
 gprMax/cmds_geometry/triangle.py              | 46 +++++-----
 14 files changed, 359 insertions(+), 245 deletions(-)

diff --git a/gprMax/cmds_geometry/add_grass.py b/gprMax/cmds_geometry/add_grass.py
index 762e4b61..a3b4b628 100644
--- a/gprMax/cmds_geometry/add_grass.py
+++ b/gprMax/cmds_geometry/add_grass.py
@@ -29,20 +29,21 @@ logger = logging.getLogger(__name__)
 
 
 class AddGrass(UserObjectGeometry):
-    """Allows you to add grass with roots to a :class:`gprMax.cmds_geometry.fractal_box.FractalBox` in the model.
+    """Allows you to add grass with roots to a FractalBox class in the model.
 
-    :param p1: The lower left (x,y,z) coordinates of a surface on a :class:`gprMax.cmds_geometry.fractal_box.FractalBox`
-    :type p1: list, non-optional
-    :param p2: The lower left (x,y,z) coordinates of a surface on a :class:`gprMax.cmds_geometry.fractal_box.FractalBox`
-    :type p2: list, non-optional
-    :param frac_dim: is the fractal dimension which, for an orthogonal parallelepiped, should take values between zero and three.
-    :type frac_dim: float, non-optional
-    :param limits: Define lower and upper limits for a range over which the height of the blades of grass can vary.
-    :type limits: list, non-optional
-    :param n_blades: The number of blades of grass that should be applied to the surface area.
-    :type n_blades: int, non-optional
-    :param fractal_box_id:  An identifier for the :class:`gprMax.cmds_geometry.fractal_box.FractalBox` that the grass should be applied to
-    :type fractal_box_id: list, non-optional
+    Attributes:
+        p1: a list of the lower left (x,y,z) coordinates of a surface on a 
+            FractalBox class.
+        p2: a list of the upper right (x,y,z) coordinates of a surface on a 
+            FractalBox class.
+        frac_dim: a float for the fractal dimension which, for an orthogonal 
+                    parallelepiped, should take values between zero and three.
+        limits: a list to define lower and upper limits for a range over which 
+                    the height of the blades of grass can vary.
+        n_blades: an int for the number of blades of grass that should be 
+                    applied to the surface area.
+        fractal_box_id: a string identifier for the FractalBox class that the 
+                        grass should be applied to.
     """
 
     def __init__(self, **kwargs):
@@ -97,10 +98,12 @@ class AddGrass(UserObjectGeometry):
         xf, yf, zf = p2
 
         if frac_dim < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal dimension')
+            logger.exception(self.__str__() + ' requires a positive value for ' +
+                             'the fractal dimension')
             raise ValueError
         if limits[0] < 0 or limits[1] < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the minimum and maximum heights for grass blades')
+            logger.exception(self.__str__() + ' requires a positive value for ' +
+                             'the minimum and maximum heights for grass blades')
             raise ValueError
 
         # Check for valid orientations
@@ -114,12 +117,15 @@ class AddGrass(UserObjectGeometry):
             fractalrange = (round_value(limits[0] / grid.dx), round_value(limits[1] / grid.dx))
             # xminus surface
             if xs == volume.xs:
-                logger.exception(self.__str__() + ' grass can only be specified on surfaces in the positive axis direction')
+                logger.exception(self.__str__() + ' grass can only be specified ' +
+                                 'on surfaces in the positive axis direction')
                 raise ValueError
             # xplus surface
             elif xf == volume.xf:
                 if fractalrange[1] > grid.nx:
-                    logger.exception(self.__str__() + ' cannot apply grass to fractal box as it would exceed the domain size in the x direction')
+                    logger.exception(self.__str__() + ' cannot apply grass to ' +
+                                     'fractal box as it would exceed the domain ' +
+                                     'size in the x direction')
                     raise ValueError
                 requestedsurface = 'xplus'
 
@@ -133,12 +139,15 @@ class AddGrass(UserObjectGeometry):
             fractalrange = (round_value(limits[0] / grid.dy), round_value(limits[1] / grid.dy))
             # yminus surface
             if ys == volume.ys:
-                logger.exception(self.__str__() + ' grass can only be specified on surfaces in the positive axis direction')
+                logger.exception(self.__str__() + ' grass can only be specified ' +
+                                 'on surfaces in the positive axis direction')
                 raise ValueError
             # yplus surface
             elif yf == volume.yf:
                 if fractalrange[1] > grid.ny:
-                    logger.exception(self.__str__() + ' cannot apply grass to fractal box as it would exceed the domain size in the y direction')
+                    logger.exception(self.__str__() + ' cannot apply grass to ' + 
+                                     'fractal box as it would exceed the domain ' +
+                                     'size in the y direction')
                     raise ValueError
                 requestedsurface = 'yplus'
 
@@ -152,12 +161,15 @@ class AddGrass(UserObjectGeometry):
             fractalrange = (round_value(limits[0] / grid.dz), round_value(limits[1] / grid.dz))
             # zminus surface
             if zs == volume.zs:
-                logger.exception(self.__str__() + ' grass can only be specified on surfaces in the positive axis direction')
+                logger.exception(self.__str__() + ' grass can only be specified ' +
+                                 'on surfaces in the positive axis direction')
                 raise ValueError
             # zplus surface
             elif zf == volume.zf:
                 if fractalrange[1] > grid.nz:
-                    logger.exception(self.__str__() + ' cannot apply grass to fractal box as it would exceed the domain size in the z direction')
+                    logger.exception(self.__str__() + ' cannot apply grass to ' +
+                                     'fractal box as it would exceed the domain ' +
+                                     'size in the z direction')
                     raise ValueError
                 requestedsurface = 'zplus'
 
@@ -175,7 +187,8 @@ class AddGrass(UserObjectGeometry):
         surface.operatingonID = volume.ID
         surface.generate_fractal_surface()
         if n_blades > surface.fractalsurface.shape[0] * surface.fractalsurface.shape[1]:
-            logger.exception(self.__str__() + ' the specified surface is not large enough for the number of grass blades/roots specified')
+            logger.exception(self.__str__() + ' the specified surface is not large ' +
+                             'enough for the number of grass blades/roots specified')
             raise ValueError
 
         # Scale the distribution so that the summation is equal to one, i.e. a probability distribution
@@ -213,9 +226,15 @@ class AddGrass(UserObjectGeometry):
         grass = next((x for x in grid.materials if x.ID == 'grass'))
         testgrass = next((x for x in grass.tau if x < grid.dt), None)
         if testgrass:
-            logger.exception(self.__str__() + ' requires the time step for the model to be less than the relaxation time required to model grass.')
+            logger.exception(self.__str__() + ' requires the time step for the ' +
+                             'model to be less than the relaxation time required to model grass.')
             raise ValueError
 
         volume.fractalsurfaces.append(surface)
 
-        logger.info(self.grid_name(grid) + f'{n_blades} blades of grass on surface from {xs * grid.dx:g}m, {ys * grid.dy:g}m, {zs * grid.dz:g}m, to {xf * grid.dx:g}m, {yf * grid.dy:g}m, {zf * grid.dz:g}m with fractal dimension {surface.dimension:g}, fractal seeding {surface.seed}, and range {limits[0]:g}m to {limits[1]:g}m, added to {surface.operatingonID}.')
+        logger.info(self.grid_name(grid) + f'{n_blades} blades of grass on surface from ' + 
+                    f'{xs * grid.dx:g}m, {ys * grid.dy:g}m, {zs * grid.dz:g}m, ' +
+                    f'to {xf * grid.dx:g}m, {yf * grid.dy:g}m, {zf * grid.dz:g}m ' +
+                    f'with fractal dimension {surface.dimension:g}, fractal seeding ' +
+                    f'{surface.seed}, and range {limits[0]:g}m to {limits[1]:g}m, ' + 
+                    f'added to {surface.operatingonID}.')
diff --git a/gprMax/cmds_geometry/add_surface_roughness.py b/gprMax/cmds_geometry/add_surface_roughness.py
index 47db0a13..50f77024 100644
--- a/gprMax/cmds_geometry/add_surface_roughness.py
+++ b/gprMax/cmds_geometry/add_surface_roughness.py
@@ -28,22 +28,23 @@ logger = logging.getLogger(__name__)
 
 
 class AddSurfaceRoughness(UserObjectGeometry):
-    """Allows you to add grass with roots to a :class:`gprMax.cmds_geometry.fractal_box.FractalBox` in the model.
+    """Allows you to add grass with roots to a FractalBox class in the model.
 
-    :param p1: The lower left (x,y,z) coordinates of a surface on a :class:`gprMax.cmds_geometry.fractal_box.FractalBox`
-    :type p1: list, non-optional
-    :param p2: The lower left (x,y,z) coordinates of a surface on a :class:`gprMax.cmds_geometry.fractal_box.FractalBox`
-    :type p2: list, non-optional
-    :param frac_dim: is the fractal dimension which, for an orthogonal parallelepiped, should take values between zero and three.
-    :type frac_dim: float, non-optional
-    :param weighting: Weightings in the first and second direction of the surface.
-    :type weighting: list, non-optional
-    :param limits: Define lower and upper limits for a range over which the roughness can vary.
-    :type limits: list, non-optional
-    :param fractal_box_id:  An identifier for the :class:`gprMax.cmds_geometry.fractal_box.FractalBox` that the roughness should be applied to
-    :type fractal_box_id: list, non-optional
-    :param seed:  Is an optional parameter which controls the seeding of the random number generator used to create the fractals.
-    :type seed: int, optional
+    Attributes:
+        p1: a list of the lower left (x,y,z) coordinates of a surface on a 
+            FractalBox class.
+        p2: a list of the upper right (x,y,z) coordinates of a surface on a 
+            FractalBox class.
+        frac_dim: a float for the fractal dimension which, for an orthogonal 
+                    parallelepiped, should take values between zero and three.
+        weighting: a list with weightings in the first and second direction of 
+                    the surface.
+        limits: a list to define lower and upper limits for a range over which 
+                    the surface roughness can vary.
+        fractal_box_id: a string identifier for the FractalBox class
+                        that the surface roughness should be applied to.
+        seed: (optional) float parameter which controls the seeding of the random 
+                number generator used to create the fractals.
     """
 
     def __init__(self, **kwargs):
@@ -65,7 +66,6 @@ class AddSurfaceRoughness(UserObjectGeometry):
         self.kwargs['p2'] = tuple(rot_pts[1, :])
         
     def create(self, grid, uip):
-
         try:
             p1 = self.kwargs['p1']
             p2 = self.kwargs['p2']
@@ -98,13 +98,16 @@ class AddSurfaceRoughness(UserObjectGeometry):
         xf, yf, zf = p2
 
         if frac_dim < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal dimension')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal dimension')
             raise ValueError
         if weighting[0] < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal weighting in the first direction of the surface')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal weighting in the first direction of the surface')
             raise ValueError
         if weighting[1] < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal weighting in the second direction of the surface')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal weighting in the second direction of the surface')
             raise ValueError
 
         # Check for valid orientations
@@ -113,19 +116,26 @@ class AddSurfaceRoughness(UserObjectGeometry):
                 logger.exception(self.__str__() + ' dimensions are not specified correctly')
                 raise ValueError
             if xs != volume.xs and xs != volume.xf:
-                logger.exception(self.__str__() + ' can only be used on the external surfaces of a fractal box')
+                logger.exception(self.__str__() + ' can only be used on the external ' + 
+                                 'surfaces of a fractal box')
                 raise ValueError
             fractalrange = (round_value(limits[0] / grid.dx), round_value(limits[1] / grid.dx))
             # xminus surface
             if xs == volume.xs:
                 if fractalrange[0] < 0 or fractalrange[1] > volume.xf:
-                    logger.exception(self.__str__() + ' cannot apply fractal surface to fractal box as it would exceed either the upper coordinates of the fractal box or the domain in the x direction')
+                    logger.exception(self.__str__() + ' cannot apply fractal surface ' +
+                                     'to fractal box as it would exceed either the ' +
+                                     'upper coordinates of the fractal box or the ' +
+                                     'domain in the x direction')
                     raise ValueError
                 requestedsurface = 'xminus'
             # xplus surface
             elif xf == volume.xf:
                 if fractalrange[0] < volume.xs or fractalrange[1] > grid.nx:
-                    logger.exception(self.__str__() + ' cannot apply fractal surface to fractal box as it would exceed either the lower coordinates of the fractal box or the domain in the x direction')
+                    logger.exception(self.__str__() + ' cannot apply fractal surface ' +
+                                     'to fractal box as it would exceed either the ' +
+                                     'lower coordinates of the fractal box or the ' +
+                                     'domain in the x direction')
                     raise ValueError
                 requestedsurface = 'xplus'
 
@@ -134,19 +144,26 @@ class AddSurfaceRoughness(UserObjectGeometry):
                 logger.exception(self.__str__() + ' dimensions are not specified correctly')
                 raise ValueError
             if ys != volume.ys and ys != volume.yf:
-                logger.exception(self.__str__() + ' can only be used on the external surfaces of a fractal box')
+                logger.exception(self.__str__() + ' can only be used on the external ' + 
+                                 'surfaces of a fractal box')
                 raise ValueError
             fractalrange = (round_value(limits[0] / grid.dy), round_value(limits[1] / grid.dy))
             # yminus surface
             if ys == volume.ys:
                 if fractalrange[0] < 0 or fractalrange[1] > volume.yf:
-                    logger.exception(self.__str__() + ' cannot apply fractal surface to fractal box as it would exceed either the upper coordinates of the fractal box or the domain in the y direction')
+                    logger.exception(self.__str__() + ' cannot apply fractal surface ' +
+                                     'to fractal box as it would exceed either the ' +
+                                     'upper coordinates of the fractal box or the ' +
+                                     'domain in the y direction')
                     raise ValueError
                 requestedsurface = 'yminus'
             # yplus surface
             elif yf == volume.yf:
                 if fractalrange[0] < volume.ys or fractalrange[1] > grid.ny:
-                    logger.exception(self.__str__() + ' cannot apply fractal surface to fractal box as it would exceed either the lower coordinates of the fractal box or the domain in the y direction')
+                    logger.exception(self.__str__() + ' cannot apply fractal surface ' +
+                                     'to fractal box as it would exceed either the ' +
+                                     'lower coordinates of the fractal box or the ' +
+                                     'domain in the y direction')
                     raise ValueError
                 requestedsurface = 'yplus'
 
@@ -155,19 +172,26 @@ class AddSurfaceRoughness(UserObjectGeometry):
                 logger.exception(self.__str__() + ' dimensions are not specified correctly')
                 raise ValueError
             if zs != volume.zs and zs != volume.zf:
-                logger.exception(self.__str__() + ' can only be used on the external surfaces of a fractal box')
+                logger.exception(self.__str__() + ' can only be used on the external ' +
+                                 'surfaces of a fractal box')
                 raise ValueError
             fractalrange = (round_value(limits[0] / grid.dz), round_value(limits[1] / grid.dz))
             # zminus surface
             if zs == volume.zs:
                 if fractalrange[0] < 0 or fractalrange[1] > volume.zf:
-                    logger.exception(self.__str__() + ' cannot apply fractal surface to fractal box as it would exceed either the upper coordinates of the fractal box or the domain in the x direction')
+                    logger.exception(self.__str__() + ' cannot apply fractal surface ' +
+                                     'to fractal box as it would exceed either the ' +
+                                     'upper coordinates of the fractal box or the ' +
+                                     'domain in the x direction')
                     raise ValueError
                 requestedsurface = 'zminus'
             # zplus surface
             elif zf == volume.zf:
                 if fractalrange[0] < volume.zs or fractalrange[1] > grid.nz:
-                    logger.exception(self.__str__() + ' cannot apply fractal surface to fractal box as it would exceed either the lower coordinates of the fractal box or the domain in the z direction')
+                    logger.exception(self.__str__() + ' cannot apply fractal surface ' +
+                                     'to fractal box as it would exceed either the ' +
+                                     'lower coordinates of the fractal box or the ' +
+                                     'domain in the z direction')
                     raise ValueError
                 requestedsurface = 'zplus'
 
@@ -194,4 +218,10 @@ class AddSurfaceRoughness(UserObjectGeometry):
         surface.generate_fractal_surface()
         volume.fractalsurfaces.append(surface)
 
-        logger.info(self.grid_name(grid) + f'Fractal surface from {xs * grid.dx:g}m, {ys * grid.dy:g}m, {zs * grid.dz:g}m, to {xf * grid.dx:g}m, {yf * grid.dy:g}m, {zf * grid.dz:g}m with fractal dimension {surface.dimension:g}, fractal weightings {surface.weighting[0]:g}, {surface.weighting[1]:g}, fractal seeding {surface.seed}, and range {limits[0]:g}m to {limits[1]:g}m, added to {surface.operatingonID}.')
+        logger.info(self.grid_name(grid) + f'Fractal surface from {xs * grid.dx:g}m, ' +
+                    f'{ys * grid.dy:g}m, {zs * grid.dz:g}m, to {xf * grid.dx:g}m, ' +
+                    f'{yf * grid.dy:g}m, {zf * grid.dz:g}m with fractal dimension ' +
+                    f'{surface.dimension:g}, fractal weightings {surface.weighting[0]:g}, ' +
+                    f'{surface.weighting[1]:g}, fractal seeding {surface.seed}, ' +
+                    f'and range {limits[0]:g}m to {limits[1]:g}m, added to ' +
+                    f'{surface.operatingonID}.')
diff --git a/gprMax/cmds_geometry/add_surface_water.py b/gprMax/cmds_geometry/add_surface_water.py
index efd9131d..6718a604 100644
--- a/gprMax/cmds_geometry/add_surface_water.py
+++ b/gprMax/cmds_geometry/add_surface_water.py
@@ -28,16 +28,18 @@ logger = logging.getLogger(__name__)
 
 
 class AddSurfaceWater(UserObjectGeometry):
-    """Allows you to add surface water to a :class:`gprMax.cmds_geometry.fractal_box.FractalBox` in the model.
+    """Allows you to add surface water to a FractalBox class in the model.
 
-    :param p1: The lower left (x,y,z) coordinates of a surface on a :class:`gprMax.cmds_geometry.fractal_box.FractalBox`
-    :type p1: list, non-optional
-    :param p2: The lower left (x,y,z) coordinates of a surface on a :class:`gprMax.cmds_geometry.fractal_box.FractalBox`
-    :type p2: list, non-optional
-    :param depth: Defines the depth of the water, which should be specified relative to the dimensions of the #fractal_box that the surface water is being applied.
-    :type depth: float, non-optional
-    :param fractal_box_id:  An identifier for the :class:`gprMax.cmds_geometry.fractal_box.FractalBox` that the water should be applied to
-    :type fractal_box_id: list, non-optional
+    Attributes:
+        p1: a list of the lower left (x,y,z) coordinates of a surface on a 
+            FractalBox class.
+        p2: a list of the upper right (x,y,z) coordinates of a surface on a 
+            FractalBox class.
+        depth: a float that defines the depth of the water, which should be 
+                specified relative to the dimensions of the #fractal_box that 
+                the surface water is being applied.
+        fractal_box_id: a string identifier for the FractalBox class that the 
+                        surface water should be applied to.
     """
 
     def __init__(self, **kwargs):
@@ -94,7 +96,8 @@ class AddSurfaceWater(UserObjectGeometry):
                 logger.exception(self.__str__() + ' dimensions are not specified correctly')
                 raise ValueError
             if xs != volume.xs and xs != volume.xf:
-                logger.exception(self.__str__() + ' can only be used on the external surfaces of a fractal box')
+                logger.exception(self.__str__() + ' can only be used on the ' +
+                                 'external surfaces of a fractal box')
                 raise ValueError
             # xminus surface
             if xs == volume.xs:
@@ -110,7 +113,8 @@ class AddSurfaceWater(UserObjectGeometry):
                 logger.exception(self.__str__() + ' dimensions are not specified correctly')
                 raise ValueError
             if ys != volume.ys and ys != volume.yf:
-                logger.exception(self.__str__() + ' can only be used on the external surfaces of a fractal box')
+                logger.exception(self.__str__() + ' can only be used on the ' +
+                                 'external surfaces of a fractal box')
                 raise ValueError
             # yminus surface
             if ys == volume.ys:
@@ -126,7 +130,8 @@ class AddSurfaceWater(UserObjectGeometry):
                 logger.exception(self.__str__() + ' dimensions are not specified correctly')
                 raise ValueError
             if zs != volume.zs and zs != volume.zf:
-                logger.exception(self.__str__() + ' can only be used on the external surfaces of a fractal box')
+                logger.exception(self.__str__() + ' can only be used on the ' +
+                                 'external surfaces of a fractal box')
                 raise ValueError
             # zminus surface
             if zs == volume.zs:
@@ -150,7 +155,9 @@ class AddSurfaceWater(UserObjectGeometry):
 
         # Check that requested fill depth falls within range of surface roughness
         if surface.filldepth < surface.fractalrange[0] or surface.filldepth > surface.fractalrange[1]:
-            logger.exception(self.__str__() + ' requires a value for the depth of water that lies with the range of the requested surface roughness')
+            logger.exception(self.__str__() + ' requires a value for the depth ' +
+                             'of water that lies with the range of the requested ' +
+                             'surface roughness')
             raise ValueError
 
         # Check to see if water has been already defined as a material
@@ -161,7 +168,12 @@ class AddSurfaceWater(UserObjectGeometry):
         water = next((x for x in grid.materials if x.ID == 'water'))
         testwater = next((x for x in water.tau if x < grid.dt), None)
         if testwater:
-            logger.exception(self.__str__() + ' requires the time step for the model to be less than the relaxation time required to model water.')
+            logger.exception(self.__str__() + ' requires the time step for the ' +
+                             'model to be less than the relaxation time required ' +
+                             'to model water.')
             raise ValueError
 
-        logger.info(self.grid_name(grid) + f'Water on surface from {xs * grid.dx:g}m, {ys * grid.dy:g}m, {zs * grid.dz:g}m, to {xf * grid.dx:g}m, {yf * grid.dy:g}m, {zf * grid.dz:g}m with depth {filldepth:g}m, added to {surface.operatingonID}.')
+        logger.info(self.grid_name(grid) + f'Water on surface from {xs * grid.dx:g}m, ' +
+                    f'{ys * grid.dy:g}m, {zs * grid.dz:g}m, to {xf * grid.dx:g}m, ' +
+                    f'{yf * grid.dy:g}m, {zf * grid.dz:g}m with depth {filldepth:g}m, ' +
+                    f'added to {surface.operatingonID}.')
diff --git a/gprMax/cmds_geometry/box.py b/gprMax/cmds_geometry/box.py
index d9af67a3..5fa2be69 100644
--- a/gprMax/cmds_geometry/box.py
+++ b/gprMax/cmds_geometry/box.py
@@ -28,18 +28,16 @@ logger = logging.getLogger(__name__)
 
 
 class Box(UserObjectGeometry):
-    """Allows you to introduce an orthogonal parallelepiped with specific properties into the model.
+    """Allows you to introduce an orthogonal parallelepiped with specific 
+        properties into the model.
 
-    :param p1: The lower left (x,y,z) coordinates of a the box.
-    :type p1: list, non-optional
-    :param p2: The lower left (x,y,z) coordinates of the box.
-    :type p2: list, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
-    :param material_ids:  Material identifiers in the x, y, z directions.
-    :type material_ids: list, non-optional
-    :param averaging:  y or n, used to switch on and off dielectric smoothing.
-    :type averaging: str, non-optional
+    Attributes:
+        p1: a list of the lower left (x,y,z) coordinates of the parallelepiped.
+        p2: a list of the upper right (x,y,z) coordinates of the parallelepiped.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
+        material_ids: a list of material identifiers in the x, y, z directions.
+        averaging: a string (y or n) used to switch on and off dielectric smoothing.
     """
 
     def __init__(self, **kwargs):
@@ -71,8 +69,8 @@ class Box(UserObjectGeometry):
         if self.dorotate:
             self.__dorotate()
 
-        # check materials have been specified
-        # isotropic case
+        # Check materials have been specified
+        # Isotropic case
         try:
             materialsrequested = [self.kwargs['material_id']]
         except KeyError:
@@ -92,7 +90,7 @@ class Box(UserObjectGeometry):
             averagebox = grid.averagevolumeobjects
 
         p3, p4 = uip.check_box_points(p1, p2, self.__str__())
-        # find nearest point on grid without translation
+        # Find nearest point on grid without translation
         p5 = uip.round_to_grid_static_point(p1)
         p6 = uip.round_to_grid_static_point(p2)
         xs, ys, zs = p3
@@ -138,4 +136,7 @@ class Box(UserObjectGeometry):
 
         dielectricsmoothing = 'on' if averaging else 'off'
 
-        logger.info(self.grid_name(grid) + f"Box from {p5[0]:g}m, {p5[1]:g}m, {p5[2]:g}m, to {p6[0]:g}m, {p6[1]:g}m, {p6[2]:g}m of material(s) {', '.join(materialsrequested)} created, dielectric smoothing is {dielectricsmoothing}.")
+        logger.info(self.grid_name(grid) + f"Box from {p5[0]:g}m, {p5[1]:g}m, " +
+                    f"{p5[2]:g}m, to {p6[0]:g}m, {p6[1]:g}m, {p6[2]:g}m of " +
+                    f"material(s) {', '.join(materialsrequested)} created, " +
+                    f"dielectric smoothing is {dielectricsmoothing}.")
diff --git a/gprMax/cmds_geometry/cmds_geometry.py b/gprMax/cmds_geometry/cmds_geometry.py
index e2246959..803d4959 100644
--- a/gprMax/cmds_geometry/cmds_geometry.py
+++ b/gprMax/cmds_geometry/cmds_geometry.py
@@ -67,13 +67,13 @@ def rotate_point(p, axis, angle, origin=(0, 0, 0)):
     """Rotate a point.
     
     Args:
-        p (array): coordinates of point (x, y, z)
-        axis (str): axis about which to perform rotation (x, y, or z)
-        angle (int): angle of rotation (degrees)
-        origin (tuple): point about which to perform rotation (x, y, z)
+        p: an array of coordinates of point (x, y, z).
+        axis: a string which defines the axis about which to perform rotation (x, y, or z).
+        angle: an int specifying the angle of rotation (degrees).
+        origin: a tuple defining the point about which to perform rotation (x, y, z).
 
     Returns:
-        p (array): coordinates of rotated point (x, y, z)
+        p: an array of coordinates of rotated point (x, y, z)
     """
 
     origin = np.array(origin)
@@ -97,13 +97,13 @@ def rotate_2point_object(pts, axis, angle, origin=None):
     """Rotate a geometry object that is defined by 2 points.
     
     Args:
-        pts (array): coordinates of points of object to be rotated
-        axis (str): axis about which to perform rotation (x, y, or z)
-        angle (int): angle of rotation (degrees)
-        origin (tuple): point about which to perform rotation (x, y, z)
+        pts: an array ofcoordinates of points of object to be rotated.
+        axis: a string which defines the axis about which to perform rotation (x, y, or z).
+        angle: an int specifying the angle of rotation (degrees).
+        origin: a tuple defining the point about which to perform rotation (x, y, z).
 
     Returns:
-        new_pts (array): coordinates of points of rotated object
+        new_pts: an array of coordinates of points of rotated object.
     """
     
     # Use origin at centre of object if not given
@@ -155,16 +155,15 @@ def rotate_polarisation(p, polarisation, axis, angle, G):
     """Rotate a geometry object that is defined by a point and polarisation.
     
     Args:
-        p (array): coordinates of point (x, y, z)
-        polarisation (str): current polarisation (x, y, or z)
-        axis (str): axis about which to perform rotation (x, y, or z)
-        angle (int): angle of rotation (degrees)
-        G (class): Grid class instance - holds essential parameters
-                        describing the model.
+        p: an array of coordinates of point (x, y, z).
+        polarisation: a string defining the current polarisation (x, y, or z).
+        axis: a string which defines the axis about which to perform rotation (x, y, or z).
+        angle: an int specifying the angle of rotation (degrees).
+        G: FDTDGrid class describing a grid in a model.
 
     Returns:
-        pts (array): coordinates of points of rotated object
-        new_polarisation (str): new polarisation (x, y, or z)
+        pts: an array of coordinates of points of rotated object.
+        new_polarisation: a string defining the new polarisation (x, y, or z).
     """
 
     if polarisation.lower() == 'x':
diff --git a/gprMax/cmds_geometry/cylinder.py b/gprMax/cmds_geometry/cylinder.py
index bf7a0d00..e1541a46 100644
--- a/gprMax/cmds_geometry/cylinder.py
+++ b/gprMax/cmds_geometry/cylinder.py
@@ -30,18 +30,16 @@ logger = logging.getLogger(__name__)
 class Cylinder(UserObjectGeometry):
     """Allows you to introduce a circular cylinder into the model.
 
-    :param p1: The coordinates (x,y,z) of the centre of the first face of the cylinder.
-    :type p1: list, non-optional
-    :param p2: The coordinates (x,y,z) of the centre of the second face of the cylinder.
-    :type p2: list, non-optional
-    :param r: is the radius of the cylinder.
-    :type r: float, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
-    :param material_ids:  Material identifiers in the x, y, z directions.
-    :type material_ids: list, non-optional
-    :param averaging:  y or n, used to switch on and off dielectric smoothing.
-    :type averaging: str, non-optional
+    Attributes:
+        p1: a list of the coordinates (x,y,z) of the centre of the first face 
+            of the cylinder.
+        p2: a list of the coordinates (x,y,z) of the centre of the second face 
+            of the cylinder.
+        r: float of the radius of the cylinder.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
+        material_ids: a list of material identifiers in the x, y, z directions.
+        averaging: a string (y or n) used to switch on and off dielectric smoothing.
     """
 
     def __init__(self, **kwargs):
@@ -65,8 +63,8 @@ class Cylinder(UserObjectGeometry):
             # Otherwise go with the grid default
             averagecylinder = grid.averagevolumeobjects
 
-        # check materials have been specified
-        # isotropic case
+        # Check materials have been specified
+        # Isotropic case
         try:
             materialsrequested = [self.kwargs['material_id']]
         except KeyError:
@@ -123,7 +121,12 @@ class Cylinder(UserObjectGeometry):
                 # Append the new material object to the materials list
                 grid.materials.append(m)
 
-        build_cylinder(x1, y1, z1, x2, y2, z2, r, grid.dx, grid.dy, grid.dz, numID, numIDx, numIDy, numIDz, averaging, grid.solid, grid.rigidE, grid.rigidH, grid.ID)
+        build_cylinder(x1, y1, z1, x2, y2, z2, r, grid.dx, grid.dy, grid.dz, 
+                       numID, numIDx, numIDy, numIDz, averaging, grid.solid, 
+                       grid.rigidE, grid.rigidH, grid.ID)
 
         dielectricsmoothing = 'on' if averaging else 'off'
-        logger.info(self.grid_name(grid) + f"Cylinder with face centres {p3[0]:g}m, {p3[1]:g}m, {p3[2]:g}m and {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m, with radius {r:g}m, of material(s) {', '.join(materialsrequested)} created, dielectric smoothing is {dielectricsmoothing}.")
+        logger.info(self.grid_name(grid) + f"Cylinder with face centres {p3[0]:g}m, " +
+                    f"{p3[1]:g}m, {p3[2]:g}m and {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m, " +
+                    f"with radius {r:g}m, of material(s) {', '.join(materialsrequested)} " +
+                    f"created, dielectric smoothing is {dielectricsmoothing}.")
diff --git a/gprMax/cmds_geometry/cylindrical_sector.py b/gprMax/cmds_geometry/cylindrical_sector.py
index 037f644a..88f6dce2 100644
--- a/gprMax/cmds_geometry/cylindrical_sector.py
+++ b/gprMax/cmds_geometry/cylindrical_sector.py
@@ -28,30 +28,28 @@ logger = logging.getLogger(__name__)
 
 
 class CylindricalSector(UserObjectGeometry):
-    """Allows you to introduce a cylindrical sector (shaped like a slice of pie) into the model.
+    """Allows you to introduce a cylindrical sector (shaped like a slice of pie) 
+        into the model.
 
-    :param normal: Direction of the axis of the cylinder from which the sector is defined and can be x, y, or z..
-    :type normal: str, non-optional
-    :param ctr1: First coordinate of the centre of the cylindrical sector.
-    :type ctr1: float, non-optional
-    :param ctr2:  Second coordinate of the centre of the cylindrical sector.
-    :type ctr2: Float, non-optional
-    :param extent1: First thickness from the centre of the cylindrical sector.
-    :type extent1: float, non-optional
-    :param extent2: Second thickness from the centre of the cylindrical sector.
-    :type extent2: float, non-optional
-    :param r: is the radius of the cylindrical sector.
-    :type r: float, non-optional
-    :param start: The starting angle (in degrees) for the cylindrical sector.
-    :type start: float, non-optional
-    :param end: The angle (in degrees) swept by the cylindrical sector
-    :type end: float, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
-    :param material_ids:  Material identifiers in the x, y, z directions.
-    :type material_ids: list, non-optional
-    :param averaging:  y or n, used to switch on and off dielectric smoothing.
-    :type averaging: str, non-optional
+    Attributes:
+        normal: a string for the direction of the axis of the cylinder from which 
+                the sector is defined and can be x, y, or z.
+        ctr1: a float for the first coordinate of the centre of the cylindrical 
+                sector.
+        ctr2: a float for the second coordinate of the centre of the cylindrical 
+                sector.
+        extent1: a float for the first thickness from the centre of the 
+                    cylindrical sector.
+        extent2: a float for the second thickness from the centre of the 
+                    cylindrical sector.
+        r: a float for the radius of the cylindrical sector.
+        start: a float for the starting angle (in degrees) for the cylindrical 
+                sector.
+        end: a float for the angle (in degrees) swept by the cylindrical sector.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
+        material_ids: a list of material identifiers in the x, y, z directions.
+        averaging: a string (y or n) used to switch on and off dielectric smoothing.
     """
 
     def __init__(self, **kwargs):
@@ -82,8 +80,8 @@ class CylindricalSector(UserObjectGeometry):
             # Otherwise go with the grid default
             averagecylindricalsector = grid.averagevolumeobjects
 
-        # check materials have been specified
-        # isotropic case
+        # Check materials have been specified
+        # Isotropic case
         try:
             materialsrequested = [self.kwargs['material_id']]
         except KeyError:
@@ -103,10 +101,12 @@ class CylindricalSector(UserObjectGeometry):
         if r <= 0:
             logger.exception(self.__str__() + f' the radius {r:g} should be a positive value.')
         if sectorstartangle < 0 or sectorangle <= 0:
-            logger.exception(self.__str__() + ' the starting angle and sector angle should be a positive values.')
+            logger.exception(self.__str__() + ' the starting angle and sector ' +
+                             'angle should be a positive values.')
             raise ValueError
         if sectorstartangle >= 2 * np.pi or sectorangle >= 2 * np.pi:
-            logger.exception(self.__str__() + ' the starting angle and sector angle must be less than 360 degrees.')
+            logger.exception(self.__str__() + ' the starting angle and sector ' +
+                             'angle must be less than 360 degrees.')
             raise ValueError
 
         # Look up requested materials in existing list of material instances
@@ -171,10 +171,23 @@ class CylindricalSector(UserObjectGeometry):
         elif normal == 'z':
             ctr1, ctr2, level = uip.round_to_grid((ctr1, ctr2, extent1))
 
-        build_cylindrical_sector(ctr1, ctr2, level, sectorstartangle, sectorangle, r, normal, thickness, grid.dx, grid.dy, grid.dz, numID, numIDx, numIDy, numIDz, averaging, grid.solid, grid.rigidE, grid.rigidH, grid.ID)
+        build_cylindrical_sector(ctr1, ctr2, level, sectorstartangle, sectorangle, 
+                                 r, normal, thickness, grid.dx, grid.dy, grid.dz, 
+                                 numID, numIDx, numIDy, numIDz, averaging, 
+                                 grid.solid, grid.rigidE, grid.rigidH, grid.ID)
 
         if thickness > 0:
             dielectricsmoothing = 'on' if averaging else 'off'
-            logger.info(self.grid_name(grid) + f"Cylindrical sector with centre {ctr1:g}m, {ctr2:g}m, radius {r:g}m, starting angle {(sectorstartangle / (2 * np.pi)) * 360:.1f} degrees, sector angle {(sectorangle / (2 * np.pi)) * 360:.1f} degrees, thickness {thickness:g}m, of material(s) {', '.join(materialsrequested)} created, dielectric smoothing is {dielectricsmoothing}.")
+            logger.info(self.grid_name(grid) + f"Cylindrical sector with centre " +
+                        f"{ctr1:g}m, {ctr2:g}m, radius {r:g}m, starting angle " +
+                        f"{(sectorstartangle / (2 * np.pi)) * 360:.1f} degrees, " +
+                        f"sector angle {(sectorangle / (2 * np.pi)) * 360:.1f} degrees, " +
+                        f"thickness {thickness:g}m, of material(s) {', '.join(materialsrequested)} " +
+                        f"created, dielectric smoothing is {dielectricsmoothing}.")
         else:
-            logger.info(self.grid_name(grid) + f"Cylindrical sector with centre {ctr1:g}m, {ctr2:g}m, radius {r:g}m, starting angle {(sectorstartangle / (2 * np.pi)) * 360:.1f} degrees, sector angle {(sectorangle / (2 * np.pi)) * 360:.1f} degrees, of material(s) {', '.join(materialsrequested)} created.")
+            logger.info(self.grid_name(grid) + f"Cylindrical sector with centre " +
+                        f"{ctr1:g}m, {ctr2:g}m, radius {r:g}m, starting angle " +
+                        f"{(sectorstartangle / (2 * np.pi)) * 360:.1f} degrees, " +
+                        f"sector angle {(sectorangle / (2 * np.pi)) * 360:.1f} " +
+                        f"degrees, of material(s) {', '.join(materialsrequested)} " +
+                        f"created.")
diff --git a/gprMax/cmds_geometry/edge.py b/gprMax/cmds_geometry/edge.py
index e465283b..5f8940da 100644
--- a/gprMax/cmds_geometry/edge.py
+++ b/gprMax/cmds_geometry/edge.py
@@ -30,12 +30,11 @@ logger = logging.getLogger(__name__)
 class Edge(UserObjectGeometry):
     """Allows you to introduce a wire with specific properties into the model.
 
-    :param p1: Starting point of the edge.
-    :type p1: list, non-optional
-    :param p2: Ending point of the edge.
-    :type p2: list, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
+    Attributes:
+        p1: a list of the coordinates (x,y,z) of the starting point of the edge.
+        p2: a list of the coordinates (x,y,z) of the ending point of the edge.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
     """
 
     def __init__(self, **kwargs):
@@ -83,7 +82,7 @@ class Edge(UserObjectGeometry):
             raise ValueError
 
         # Check for valid orientations
-        # x-orientated wire
+        # x-orientated edge
         if xs != xf:
             if ys != yf or zs != zf:
                 logger.exception(self.__str__() + ' the edge is not specified correctly')
@@ -92,7 +91,7 @@ class Edge(UserObjectGeometry):
                 for i in range(xs, xf):
                     build_edge_x(i, ys, zs, material.numID, grid.rigidE, grid.rigidH, grid.ID)
 
-        # y-orientated wire
+        # y-orientated edge
         elif ys != yf:
             if xs != xf or zs != zf:
                 logger.exception(self.__str__() + ' the edge is not specified correctly')
@@ -101,7 +100,7 @@ class Edge(UserObjectGeometry):
                 for j in range(ys, yf):
                     build_edge_y(xs, j, zs, material.numID, grid.rigidE, grid.rigidH, grid.ID)
 
-        # z-orientated wire
+        # z-orientated edge
         elif zs != zf:
             if xs != xf or ys != yf:
                 logger.exception(self.__str__() + ' the edge is not specified correctly')
@@ -110,4 +109,6 @@ class Edge(UserObjectGeometry):
                 for k in range(zs, zf):
                     build_edge_z(xs, ys, k, material.numID, grid.rigidE, grid.rigidH, grid.ID)
 
-        logger.info(self.grid_name(grid) + f'Edge from {p3[0]:g}m, {p3[1]:g}m, {p3[2]:g}m, to {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m of material {material_id} created.')
+        logger.info(self.grid_name(grid) + f'Edge from {p3[0]:g}m, {p3[1]:g}m, ' +
+                    f'{p3[2]:g}m, to {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m of ' +
+                    f'material {material_id} created.')
diff --git a/gprMax/cmds_geometry/fractal_box.py b/gprMax/cmds_geometry/fractal_box.py
index da576998..f03725bc 100644
--- a/gprMax/cmds_geometry/fractal_box.py
+++ b/gprMax/cmds_geometry/fractal_box.py
@@ -27,26 +27,27 @@ logger = logging.getLogger(__name__)
 
 
 class FractalBox(UserObjectGeometry):
-    """Allows you to introduce an orthogonal parallelepiped with fractal distributed properties which are related to a mixing model or normal material into the model.
+    """Allows you to introduce an orthogonal parallelepiped with fractal 
+        distributed properties which are related to a mixing model or 
+        normal material into the model.
 
-    :param p1: The lower left (x,y,z) coordinates of the parallelepiped
-    :type p1: list, non-optional
-    :param p2: The upper right (x,y,z) coordinates of the parallelepiped
-    :type p2: list, non-optional
-    :param frac_dim: The fractal dimension which, for an orthogonal parallelepiped, should take values between zero and three.
-    :type frac_dim: float, non-optional
-    :param weighting: Weightings in the x, y, z direction of the surface.
-    :type weighting: list, non-optional
-    :param n_materials: Number of materials to use for the fractal distribution (defined according to the associated mixing model). This should be set to one if using a normal material instead of a mixing model.
-    :type n_materials: list, non-optional
-    :param mixing_model_id: Is an identifier for the associated mixing model or material.
-    :type mixing_model_id: list, non-optional
-    :param id: Identifier for the fractal box itself.
-    :type id: list, non-optional
-    :param seed: Controls the seeding of the random number generator used to create the fractals..
-    :type seed: float, non-optional
-    :param averaging:  y or n, used to switch on and off dielectric smoothing.
-    :type averaging: str, non-optional
+    Attributes:
+        p1: a list of the lower left (x,y,z) coordinates of the parallelepiped.
+        p2: a list of the upper right (x,y,z) coordinates of the parallelepiped.
+        frac_dim: a float for the fractal dimension which, for an orthogonal 
+                    parallelepiped, should take values between zero and three.
+        weighting: a list of the weightings in the x, y, z direction of the 
+                    parallelepiped.
+        n_materials: an int of the number of materials to use for the fractal 
+                        distribution (defined according to the associated 
+                        mixing model). This should be set to one if using a 
+                        normal material instead of a mixing model.
+        mixing_model_id: a string identifier for the associated mixing model or 
+                            material.
+        id: a string identifier for the fractal box itself.
+        seed: seed: (optional) float parameter which controls the seeding of the random 
+                number generator used to create the fractals.
+        averaging: a string (y or n) used to switch on and off dielectric smoothing.
     """
 
     def __init__(self, **kwargs):
@@ -88,15 +89,12 @@ class FractalBox(UserObjectGeometry):
         if self.dorotate:
             self.__dorotate()
 
-        # Default is no dielectric smoothing for a fractal box
-        averagefractalbox = False
-
-        # check averaging
+        # Check averaging
         try:
-            # go with user specified averaging
+            # Go with user specified averaging
             averagefractalbox = self.kwargs['averaging']
         except KeyError:
-            # if they havent specfied - go with the grid default
+            # If they havent specfied - default is no dielectric smoothing for a fractal box
             averagefractalbox = False
 
         p3 = uip.round_to_grid_static_point(p1)
@@ -107,18 +105,23 @@ class FractalBox(UserObjectGeometry):
         xf, yf, zf = p2
         
         if frac_dim < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal dimension')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal dimension')
             raise ValueError
         if weighting[0] < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal weighting in the x direction')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal weighting in the x direction')
             raise ValueError
         if weighting[1] < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal weighting in the y direction')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal weighting in the y direction')
             raise ValueError
         if weighting[2] < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the fractal weighting in the z direction')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'fractal weighting in the z direction')
         if n_materials < 0:
-            logger.exception(self.__str__() + ' requires a positive value for the number of bins')
+            logger.exception(self.__str__() + ' requires a positive value for the ' +
+                             'number of bins')
             raise ValueError
 
         # Find materials to use to build fractal volume, either from mixing models or normal materials
@@ -128,12 +131,14 @@ class FractalBox(UserObjectGeometry):
 
         if mixingmodel:
             if nbins == 1:
-                logger.exception(self.__str__() + ' must be used with more than one material from the mixing model.')
+                logger.exception(self.__str__() + ' must be used with more than ' +
+                                 'one material from the mixing model.')
                 raise ValueError
             # Create materials from mixing model as number of bins now known from fractal_box command
             mixingmodel.calculate_debye_properties(nbins, grid)
         elif not material:
-            logger.exception(self.__str__() + f' mixing model or material with ID {mixing_model_id} does not exist')
+            logger.exception(self.__str__() + f' mixing model or material with ' +
+                             'ID {mixing_model_id} does not exist')
             raise ValueError
 
         volume = FractalVolume(xs, xf, ys, yf, zs, zf, frac_dim)
@@ -149,6 +154,13 @@ class FractalBox(UserObjectGeometry):
         volume.mixingmodel = mixingmodel
 
         dielectricsmoothing = 'on' if volume.averaging else 'off'
-        logger.info(self.grid_name(grid) + f'Fractal box {volume.ID} from {p3[0]:g}m, {p3[1]:g}m, {p3[2]:g}m, to {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m with {volume.operatingonID}, fractal dimension {volume.dimension:g}, fractal weightings {volume.weighting[0]:g}, {volume.weighting[1]:g}, {volume.weighting[2]:g}, fractal seeding {volume.seed}, with {volume.nbins} material(s) created, dielectric smoothing is {dielectricsmoothing}.')
+        logger.info(self.grid_name(grid) + f'Fractal box {volume.ID} from ' +
+                    f'{p3[0]:g}m, {p3[1]:g}m, {p3[2]:g}m, to {p4[0]:g}m, ' +
+                    f'{p4[1]:g}m, {p4[2]:g}m with {volume.operatingonID}, ' +
+                    f'fractal dimension {volume.dimension:g}, fractal weightings ' +
+                    f'{volume.weighting[0]:g}, {volume.weighting[1]:g}, ' +
+                    f'{volume.weighting[2]:g}, fractal seeding {volume.seed}, ' +
+                    f'with {volume.nbins} material(s) created, dielectric smoothing ' +
+                    f'is {dielectricsmoothing}.')
 
         grid.fractalvolumes.append(volume)
diff --git a/gprMax/cmds_geometry/fractal_box_builder.py b/gprMax/cmds_geometry/fractal_box_builder.py
index 35946b9e..a8f10b42 100644
--- a/gprMax/cmds_geometry/fractal_box_builder.py
+++ b/gprMax/cmds_geometry/fractal_box_builder.py
@@ -30,7 +30,7 @@ logger = logging.getLogger(__name__)
 
 class FractalBoxBuilder(UserObjectGeometry):
     """Internal class for fractal box modifications. This class should be used
-    internally only when surface modification have been made to a fractal box"""
+        internally only when surface modification have been made to a fractal box."""
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
@@ -303,7 +303,9 @@ class FractalBoxBuilder(UserObjectGeometry):
 
             else:
                 if volume.nbins == 1:
-                    logger.exception(self.__str__() + ' is being used with a single material and no modifications, therefore please use a #box command instead.')
+                    logger.exception(self.__str__() + ' is being used with a ' +
+                                     'single material and no modifications, ' +
+                                     'therefore please use a #box command instead.')
                     raise ValueError
                 else:
                     volume.generate_fractal_volume()
diff --git a/gprMax/cmds_geometry/geometry_objects_read.py b/gprMax/cmds_geometry/geometry_objects_read.py
index ea529320..9e6865d3 100644
--- a/gprMax/cmds_geometry/geometry_objects_read.py
+++ b/gprMax/cmds_geometry/geometry_objects_read.py
@@ -49,7 +49,7 @@ class GeometryObjectsRead(UserObjectGeometry):
             logger.exception(self.__str__() + 'requires exactly five parameters')
             raise
 
-        # discretise the point using uip object. This has different behaviour
+        # Discretise the point using uip object. This has different behaviour
         # depending on the type of uip object. So we can use it for
         # the main grid or the subgrid.
         xs, ys, zs = uip.discretise_point(p1)
@@ -70,7 +70,7 @@ class GeometryObjectsRead(UserObjectGeometry):
             # characters and comments that must begin with double hashes.
             materials = [line.rstrip() + '{' + matstr + '}\n' for line in f if(line.startswith('#') and not line.startswith('##') and line.rstrip('\n'))]
 
-        # build scene
+        # Build scene
         # API for multiple scenes / model runs
         scene = config.get_model_config().get_scene()
         material_objs = get_user_objects(materials, check=False)
@@ -96,8 +96,12 @@ class GeometryObjectsRead(UserObjectGeometry):
         # Open geometry object file and read/check spatial resolution attribute
         f = h5py.File(geofile, 'r')
         dx_dy_dz = f.attrs['dx_dy_dz']
-        if round_value(dx_dy_dz[0] / grid.dx) != 1 or round_value(dx_dy_dz[1] / grid.dy) != 1 or round_value(dx_dy_dz[2] / grid.dz) != 1:
-            logger.exception(self.__str__() + ' requires the spatial resolution of the geometry objects file to match the spatial resolution of the model')
+        if round_value((dx_dy_dz[0] / grid.dx) != 1 or 
+                       round_value(dx_dy_dz[1] / grid.dy) != 1 or 
+                       round_value(dx_dy_dz[2] / grid.dz) != 1):
+            logger.exception(self.__str__() + ' requires the spatial resolution ' +
+                             'of the geometry objects file to match the spatial ' +
+                             'resolution of the model')
             raise ValueError
 
         data = f['/data'][:]
@@ -117,8 +121,16 @@ class GeometryObjectsRead(UserObjectGeometry):
             grid.rigidE[:, xs:xs + rigidE.shape[1], ys:ys + rigidE.shape[2], zs:zs + rigidE.shape[3]] = rigidE
             grid.rigidH[:, xs:xs + rigidH.shape[1], ys:ys + rigidH.shape[2], zs:zs + rigidH.shape[3]] = rigidH
             grid.ID[:, xs:xs + ID.shape[1], ys:ys + ID.shape[2], zs:zs + ID.shape[3]] = ID + numexistmaterials
-            logger.info(self.grid_name(grid) + f'Geometry objects from file {geofile} inserted at {xs * grid.dx:g}m, {ys * grid.dy:g}m, {zs * grid.dz:g}m, with corresponding materials file {matfile}.')
+            logger.info(self.grid_name(grid) + f'Geometry objects from file {geofile} ' +
+                        f'inserted at {xs * grid.dx:g}m, {ys * grid.dy:g}m, ' +
+                        f'{zs * grid.dz:g}m, with corresponding materials file ' +
+                        f'{matfile}.')
         except KeyError:
             averaging = False
-            build_voxels_from_array(xs, ys, zs, numexistmaterials, averaging, data, grid.solid, grid.rigidE, grid.rigidH, grid.ID)
-            logger.info(self.grid_name(grid) + f'Geometry objects from file (voxels only){geofile} inserted at {xs * grid.dx:g}m, {ys * grid.dy:g}m, {zs * grid.dz:g}m, with corresponding materials file {matfile}.')
+            build_voxels_from_array(xs, ys, zs, numexistmaterials, averaging, 
+                                    data, grid.solid, grid.rigidE, grid.rigidH, 
+                                    grid.ID)
+            logger.info(self.grid_name(grid) + f'Geometry objects from file ' +
+                        f'(voxels only){geofile} inserted at {xs * grid.dx:g}m, ' +
+                        f'{ys * grid.dy:g}m, {zs * grid.dz:g}m, with corresponding ' +
+                        f'materials file {matfile}.')
diff --git a/gprMax/cmds_geometry/plate.py b/gprMax/cmds_geometry/plate.py
index b3c0e974..81e226ff 100644
--- a/gprMax/cmds_geometry/plate.py
+++ b/gprMax/cmds_geometry/plate.py
@@ -30,14 +30,12 @@ logger = logging.getLogger(__name__)
 class Plate(UserObjectGeometry):
     """Allows you to introduce a plate with specific properties into the model.
 
-    :param p1: The lower left (x,y,z) coordinates of the plate.
-    :type p1: list, non-optional
-    :param p2: The upper right (x,y,z) coordinates of the plate.
-    :type p2: list, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
-    :param material_ids:  Material identifiers in the x, y, z directions.
-    :type material_ids: list, non-optional
+    Attributes:
+        p1: a list of the lower left (x,y,z) coordinates of the plate.
+        p2: a list of the upper right (x,y,z) coordinates of the plate.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
+        material_ids: a list of material identifiers in the x, y, z directions.
     """
 
     def __init__(self, **kwargs):
@@ -128,7 +126,8 @@ class Plate(UserObjectGeometry):
 
             for j in range(ys, yf):
                 for k in range(zs, zf):
-                    build_face_yz(xs, j, k, numIDy, numIDz, grid.rigidE, grid.rigidH, grid.ID)
+                    build_face_yz(xs, j, k, numIDy, numIDz, grid.rigidE, 
+                                  grid.rigidH, grid.ID)
 
         # xz-plane plate
         elif ys == yf:
@@ -143,7 +142,8 @@ class Plate(UserObjectGeometry):
 
             for i in range(xs, xf):
                 for k in range(zs, zf):
-                    build_face_xz(i, ys, k, numIDx, numIDz, grid.rigidE, grid.rigidH, grid.ID)
+                    build_face_xz(i, ys, k, numIDx, numIDz, grid.rigidE, 
+                                  grid.rigidH, grid.ID)
 
         # xy-plane plate
         elif zs == zf:
@@ -158,6 +158,9 @@ class Plate(UserObjectGeometry):
 
             for i in range(xs, xf):
                 for j in range(ys, yf):
-                    build_face_xy(i, j, zs, numIDx, numIDy, grid.rigidE, grid.rigidH, grid.ID)
+                    build_face_xy(i, j, zs, numIDx, numIDy, grid.rigidE, 
+                                  grid.rigidH, grid.ID)
 
-        logger.info(self.grid_name(grid) + f"Plate from {p3[0]:g}m, {p3[1]:g}m, {p3[2]:g}m, to {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m of material(s) {', '.join(materialsrequested)} created.")
+        logger.info(self.grid_name(grid) + f"Plate from {p3[0]:g}m, {p3[1]:g}m, " +
+                    f"{p3[2]:g}m, to {p4[0]:g}m, {p4[1]:g}m, {p4[2]:g}m of " +
+                    f"material(s) {', '.join(materialsrequested)} created.")
diff --git a/gprMax/cmds_geometry/sphere.py b/gprMax/cmds_geometry/sphere.py
index 0536cc07..e2303b8f 100644
--- a/gprMax/cmds_geometry/sphere.py
+++ b/gprMax/cmds_geometry/sphere.py
@@ -28,18 +28,16 @@ logger = logging.getLogger(__name__)
 
 
 class Sphere(UserObjectGeometry):
-    """Allows you to introduce a spherical object with specific parameters into the model.
+    """Allows you to introduce a spherical object with specific parameters 
+        into the model.
 
-    :param p1: the coordinates (x,y,z) of the centre of the sphere.
-    :type p1: list, non-optional
-    :param r: The coordinates (x,y,z) of the centre of the sphere.
-    :type r: float, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
-    :param material_ids:  Material identifiers in the x, y, z directions.
-    :type material_ids: list, non-optional
-    :param averaging:  y or n, used to switch on and off dielectric smoothing.
-    :type averaging: str, non-optional
+    Attributes:
+        p1: a list of the coordinates (x,y,z) of the centre of the sphere.
+        r: a float of radius of the sphere.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
+        material_ids: a list of material identifiers in the x, y, z directions.
+        averaging: a string (y or n) used to switch on and off dielectric smoothing.
     """
 
     def __init__(self, **kwargs):
@@ -62,8 +60,8 @@ class Sphere(UserObjectGeometry):
             # Otherwise go with the grid default
             averagesphere = grid.averagevolumeobjects
 
-        # check materials have been specified
-        # isotropic case
+        # Check materials have been specified
+        # Isotropic case
         try:
             materialsrequested = [self.kwargs['material_id']]
         except KeyError:
@@ -117,4 +115,7 @@ class Sphere(UserObjectGeometry):
         build_sphere(xc, yc, zc, r, grid.dx, grid.dy, grid.dz, numID, numIDx, numIDy, numIDz, averaging, grid.solid, grid.rigidE, grid.rigidH, grid.ID)
 
         dielectricsmoothing = 'on' if averaging else 'off'
-        logger.info(self.grid_name(grid) + f"Sphere with centre {p2[0]:g}m, {p2[1]:g}m, {p2[2]:g}m, radius {r:g}m, of material(s) {', '.join(materialsrequested)} created, dielectric smoothing is {dielectricsmoothing}.")
+        logger.info(self.grid_name(grid) + f"Sphere with centre {p2[0]:g}m, " +
+                    f"{p2[1]:g}m, {p2[2]:g}m, radius {r:g}m, of material(s) " +
+                    f"{', '.join(materialsrequested)} created, dielectric " +
+                    f"smoothing is {dielectricsmoothing}.")
diff --git a/gprMax/cmds_geometry/triangle.py b/gprMax/cmds_geometry/triangle.py
index 9138e31d..141e6d7f 100644
--- a/gprMax/cmds_geometry/triangle.py
+++ b/gprMax/cmds_geometry/triangle.py
@@ -28,22 +28,19 @@ logger = logging.getLogger(__name__)
 
 
 class Triangle(UserObjectGeometry):
-    """Allows you to introduce a triangular patch or a triangular prism with specific properties into the model.
+    """Allows you to introduce a triangular patch or a triangular prism with 
+        specific properties into the model.
 
-    :param p1: the coordinates (x,y,z) of the first apex of the triangle.
-    :type p1: list, non-optional
-    :param p2: the coordinates (x,y,z) of the second apex of the triangle
-    :type p2: list, non-optional
-    :param p3: the coordinates (x,y,z) of the third apex of the triangle.
-    :type p3: list, non-optional
-    :param thickness: The thickness of the triangular prism. If the thickness is zero then a triangular patch is created.
-    :type thickness: float, non-optional
-    :param material_id: Material identifier that must correspond to material that has already been defined.
-    :type material_id: str, non-optional
-    :param material_ids:  Material identifiers in the x, y, z directions.
-    :type material_ids: list, non-optional
-    :param averaging:  y or n, used to switch on and off dielectric smoothing.
-    :type averaging: str, non-optional
+    Attributes:
+        p1: a list of the coordinates (x,y,z) of the first apex of the triangle.
+        p2: a list of the coordinates (x,y,z) of the second apex of the triangle.
+        p3: a list of the coordinates (x,y,z) of the third apex of the triangle.
+        thickness: a float for the thickness of the triangular prism. If the 
+                    thickness is zero then a triangular patch is created.
+        material_id: a string for the material identifier that must correspond 
+                        to material that has already been defined.
+        material_ids: a list of material identifiers in the x, y, z directions.
+        averaging: a string (y or n) used to switch on and off dielectric smoothing.
     """
 
     def __init__(self, **kwargs):
@@ -87,8 +84,8 @@ class Triangle(UserObjectGeometry):
             # Otherwise go with the grid default
             averagetriangularprism = grid.averagevolumeobjects
 
-        # check materials have been specified
-        # isotropic case
+        # Check materials have been specified
+        # Isotropic case
         try:
             materialsrequested = [self.kwargs['material_id']]
         except KeyError:
@@ -178,10 +175,19 @@ class Triangle(UserObjectGeometry):
                 numIDy = materials[1].numID
                 numIDz = materials[2].numID
 
-        build_triangle(x1, y1, z1, x2, y2, z2, x3, y3, z3, normal, thickness, grid.dx, grid.dy, grid.dz, numID, numIDx, numIDy, numIDz, averaging, grid.solid, grid.rigidE, grid.rigidH, grid.ID)
+        build_triangle(x1, y1, z1, x2, y2, z2, x3, y3, z3, normal, thickness, 
+                       grid.dx, grid.dy, grid.dz, numID, numIDx, numIDy, numIDz, 
+                       averaging, grid.solid, grid.rigidE, grid.rigidH, grid.ID)
 
         if thickness > 0:
             dielectricsmoothing = 'on' if averaging else 'off'
-            logger.info(self.grid_name(grid) + f"Triangle with coordinates {p4[0]:g}m {p4[1]:g}m {p4[2]:g}m, {p5[0]:g}m {p5[1]:g}m {p5[2]:g}m, {p6[0]:g}m {p6[1]:g}m {p6[2]:g}m and thickness {thickness:g}m of material(s) {', '.join(materialsrequested)} created, dielectric smoothing is {dielectricsmoothing}.")
+            logger.info(self.grid_name(grid) + f"Triangle with coordinates " +
+                        f"{p4[0]:g}m {p4[1]:g}m {p4[2]:g}m, {p5[0]:g}m {p5[1]:g}m " +
+                        f"{p5[2]:g}m, {p6[0]:g}m {p6[1]:g}m {p6[2]:g}m and thickness " +
+                        f"{thickness:g}m of material(s) {', '.join(materialsrequested)} " +
+                        f"created, dielectric smoothing is {dielectricsmoothing}.")
         else:
-            logger.info(self.grid_name(grid) + f"Triangle with coordinates {p4[0]:g}m {p4[1]:g}m {p4[2]:g}m, {p5[0]:g}m {p5[1]:g}m {p5[2]:g}m, {p6[0]:g}m {p6[1]:g}m {p6[2]:g}m of material(s) {', '.join(materialsrequested)} created.")
+            logger.info(self.grid_name(grid) + f"Triangle with coordinates " +
+                        f"{p4[0]:g}m {p4[1]:g}m {p4[2]:g}m, {p5[0]:g}m {p5[1]:g}m " +
+                        f"{p5[2]:g}m, {p6[0]:g}m {p6[1]:g}m {p6[2]:g}m of material(s) " +
+                        f"{', '.join(materialsrequested)} created.")