Replace deprecated plt.hold with axes.clear

Author: jussienko

interface/fortran/solution/heat_simple.py

@@ -33,7 +33,7 @@ def init_fields(filename):
     return field, field0
 
 def write_field(field, step):
-    plt.hold(False)
+    plt.gca().clear()
     plt.imshow(field)
     plt.axis('off')
     plt.savefig('heat_{0:03d}.png'.format(step))

numpy/game-of-life/solution/game-of-life.py

@@ -52,11 +52,12 @@ def update(board):
 board = initialize(opt.dimension, opt.shape)
 
 plt.ion()
-plt.hold(False)
+plt.gca().clear()
 plt.imshow(board, cmap = plt.cm.prism)
 # pl.savefig('gof_initial.png')
 for iter in range(opt.niter):
     board = update(board)
+    plt.gca().clear()
     plt.imshow(board, cmap = plt.cm.prism)
     plt.title('Generation {0}'.format(iter))
     plt.draw()

performance/cprofile/heat_simple.py

@@ -31,7 +31,7 @@ def init_fields(filename):
     return field, field0
 
 def write_field(field, step):
-    plt.hold(False)
+    plt.gca().clear()
     plt.imshow(field)
     plt.axis('off')
     plt.savefig('heat_{0:03d}.png'.format(step))