From f9a940182b3ddb5447e245bd5b461e35802ed81c Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Mon, 4 Sep 2023 11:17:53 +0100
Subject: [PATCH] Updates to handle sigmamax None via CLI

---
 gprMax/cmds_multiuse.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gprMax/cmds_multiuse.py b/gprMax/cmds_multiuse.py
index 50cee93c..fc62fe2a 100644
--- a/gprMax/cmds_multiuse.py
+++ b/gprMax/cmds_multiuse.py
@@ -1755,8 +1755,11 @@ class PMLCFS(UserObjectMulti):
         cfssigma.scalingprofile = sigmascalingprofile
         cfssigma.scalingdirection = sigmascalingdirection
         cfssigma.min = float(sigmamin)
+        if sigmamax == "None":
+            sigmamax = None
         if sigmamax is not None:
-            cfssigma.max = float(sigmamax)
+            sigmamax = float(sigmamax)
+        cfssigma.max = sigmamax
         cfs = CFS()
         cfs.alpha = cfsalpha
         cfs.kappa = cfskappa
@@ -1770,7 +1773,7 @@ class PMLCFS(UserObjectMulti):
             f"{cfskappa.scalingdirection}, min: {cfskappa.min:g}, max: "
             f"{cfskappa.max:g}), sigma (scaling: {cfssigma.scalingprofile}, "
             f"scaling direction: {cfssigma.scalingdirection}, min: "
-            f"{cfssigma.min:g}, max: {cfssigma.max:g}) created."
+            f"{cfssigma.min:g}, max: {cfssigma.max}) created."
         )
 
         grid.pmls["cfs"].append(cfs)