Modified setup of matplotlib for Linux and Windows to force using QT5 backend. Problem is that with conda installed qt5/pyqt5 matplotlib still tries to use qt4 backend.

gprMax/optimisation_taguchi.py

@@ -21,6 +21,7 @@ import datetime
 from importlib import import_module
 import os
 import pickle
+import sys
 from time import perf_counter
 
 from colorama import init, Fore, Style
@@ -440,6 +441,10 @@ def plot_optimisation_history(fitnessvalueshist, optparamshist, optparamsinit):
         optparamshist (dict): Name of parameters to optimise and history of their values
     """
 
+    import matplotlib
+    # Make sure QT5 is used if not on Mac OS X
+    if sys.platform != 'darwin':
+        matplotlib.use('Qt5Agg')
     import matplotlib.pyplot as plt
 
     # Plot history of fitness values

tests/benchmarking/plot_benchmark.py

@@ -1,7 +1,12 @@
 import argparse
 import os
+import sys
 
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 import matplotlib.gridspec as gridspec
 

tests/test_compare_analytical.py

@@ -22,6 +22,10 @@ import sys
 
 import h5py
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 import matplotlib.gridspec as gridspec
 

tests/test_compare_experimental.py

@@ -22,6 +22,10 @@ import sys
 
 import h5py
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 
 from gprMax.exceptions import CmdInputError

tests/test_compare_numerical.py

@@ -21,7 +21,10 @@ import sys
 
 import h5py
 import numpy as np
-import matplotlib as mpl
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 
 from tools.plot_fields import plot_Ascan

tools/plot_Ascan.py

@@ -18,9 +18,14 @@
 
 import argparse
 import os
+import sys
 
 import h5py
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 import matplotlib.gridspec as gridspec
 

tools/plot_Bscan.py

@@ -18,9 +18,14 @@
 
 import argparse
 import os
+import sys
 
 import h5py
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 
 from gprMax.exceptions import CmdInputError

tools/plot_antenna_params.py

@@ -18,9 +18,14 @@
 
 import argparse
 import os
+import sys
 
 import h5py
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 import matplotlib.gridspec as gridspec
 

tools/plot_source_wave.py

@@ -18,8 +18,13 @@
 
 import argparse
 import os
+import sys
 
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 
 from gprMax.exceptions import CmdInputError

user_libs/antenna_patterns/initial_save.py

@@ -7,9 +7,14 @@
 
 import argparse
 import os
+import sys
 
 import h5py
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 
 from gprMax.constants import c, z0

user_libs/antenna_patterns/plot_fields.py

@@ -7,8 +7,13 @@
 
 import argparse
 import os
+import sys
 
 import numpy as np
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 
 from gprMax.constants import c, z0

user_libs/optimisation_taguchi/fitness_functions.py

@@ -9,6 +9,10 @@ import os
 import sys
 
 import h5py
+import matplotlib
+# Make sure QT5 is used if not on Mac OS X
+if sys.platform != 'darwin':
+    matplotlib.use('Qt5Agg')
 import matplotlib.pyplot as plt
 import numpy as np
 from scipy import signal