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Merged
merged 1 commit into from
Oct 2, 2011
Merged

Animation verbose #504

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2 changes: 1 addition & 1 deletion examples/animation/double_pendulum_animated.py
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Original file line number Diff line number Diff line change
Expand Up @@ -84,5 +84,5 @@ def animate(i):
ani = animation.FuncAnimation(fig, animate, np.arange(1, len(y)),
interval=25, blit=True, init_func=init)

#ani.save('double_pendulum.mp4', fps=15, clear_temp=False)
#ani.save('double_pendulum.mp4', fps=15, clear_temp=True)
plt.show()
7 changes: 6 additions & 1 deletion lib/matplotlib/animation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
# * Need to consider event sources to allow clicking through multiple figures
import itertools
from matplotlib.cbook import iterable
from matplotlib import verbose

class Animation(object):
'''
Expand Down Expand Up @@ -120,13 +121,15 @@ def save(self, filename, fps=5, codec='mpeg4', clear_temp=True,
self._draw_next_frame(data, blit=False)
fname = '%s%04d.png' % (frame_prefix, idx)
fnames.append(fname)
verbose.report('Animation.save: saved frame %d to fname=%s'%(idx, fname), level='debug')
self._fig.savefig(fname)

self._make_movie(filename, fps, codec, frame_prefix)

#Delete temporary files
if clear_temp:
import os
verbose.report('Animation.save: clearing temporary fnames=%s'%str(fnames), level='debug')
for fname in fnames:
os.remove(fname)

Expand Down Expand Up @@ -155,7 +158,9 @@ def _make_movie(self, fname, fps, codec, frame_prefix, cmd_gen=None):
from subprocess import Popen, PIPE
if cmd_gen is None:
cmd_gen = self.ffmpeg_cmd
proc = Popen(cmd_gen(fname, fps, codec, frame_prefix), shell=False,
command = cmd_gen(fname, fps, codec, frame_prefix)
verbose.report('Animation._make_movie running command: %s'%' '.join(command))
proc = Popen(command, shell=False,
stdout=PIPE, stderr=PIPE)
proc.wait()

Expand Down