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Diffstat (limited to 'dnn/torch/osce/stndrd/presentation/playback.py')
| -rw-r--r-- | dnn/torch/osce/stndrd/presentation/playback.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/dnn/torch/osce/stndrd/presentation/playback.py b/dnn/torch/osce/stndrd/presentation/playback.py new file mode 100644 index 00000000..4d7e6c78 --- /dev/null +++ b/dnn/torch/osce/stndrd/presentation/playback.py @@ -0,0 +1,25 @@ +import matplotlib +import matplotlib.pyplot as plt +import matplotlib.animation + +def make_playback_animation(savepath, spec, duration_ms, vmin=20, vmax=90): + fig, axs = plt.subplots() + axs.set_axis_off() + fig.set_size_inches((duration_ms / 1000 * 5, 5)) + frames = [] + frame_duration=20 + num_frames = int(duration_ms / frame_duration + .99) + + spec_height, spec_width = spec.shape + for i in range(num_frames): + xpos = (i - 1) / (num_frames - 3) * (spec_width - 1) + new_frame = axs.imshow(spec, cmap='inferno', origin='lower', aspect='auto', vmin=vmin, vmax=vmax) + if i in {0, num_frames - 1}: + frames.append([new_frame]) + else: + line = axs.plot([xpos, xpos], [0, spec_height-1], color='white', alpha=0.8)[0] + frames.append([new_frame, line]) + + + ani = matplotlib.animation.ArtistAnimation(fig, frames, blit=True, interval=frame_duration) + ani.save(savepath, dpi=720)
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