zoom = nav.sx
box = nav.get_viewbox()
xlim = ((box[0] + 1) / 2. * (duration_initial), (box[2] + 1) / 2. * (duration_initial))
xlimex, slice = get_view(data.shape[0], xlim, freq)
# Paging system.
dur = xlim[1] - xlim[0]
index = int(np.floor(xlim[0] / dur))
zoom_index = int(np.round(duration_initial / dur))
i = (index, zoom_index)
global SLICE
if i != SLICE:
SLICE = i
updater.update(data, xlimex, slice)
if updater.info:
figure.set_data(**updater.info)
updater.info.clear()
plt.animate(anim, dt=.01)
plt.action('Wheel', change_channel_height, key_modifier='Control',
param_getter=lambda p: p['wheel'] * .001)
plt.action('Wheel', pan, key_modifier='Shift',
param_getter=lambda p: (p['wheel'] * .002, 0))
plt.action('DoubleClick', 'ResetZoom')
plt.xlim(0., duration_initial)
plt.show()
f.close()
# Animation weights for each disc, smaller = slower movement.
w = np.linspace(0.01, 0.1, n).reshape((-1, 1))
# Vertical lines with chromatic and major scales.
line_color = np.ones((50, 4)) * .5
scale = np.array([0, 2, 4, 5, 7, 9, 11])
scale = np.concatenate((scale, scale + 12, [24]))
scale = np.concatenate((2 * scale, 2 * scale + 1))
line_color[scale] = .75
plt.plot(np.repeat(np.linspace(-1., 1., 25), 2),
np.tile([-1., 1.], 25),
color=line_color,
primitive_type='LINES',
is_static=True)
plt.xlim(-1.05, 1.05)
# EVENTS
# ------
hsv = np.ones((1, 3))
def update(fig, param, quantize=False):
# Update the mouse position.
global mouse
mouse[0,:] = param['mouse_position']
x, y = param['mouse_position']
# Compensate for xlim.
x = x * 1.05
# Quantization on chromatic scale if click.
if quantize:
x = np.round(x * 12) / 12.
zoom = nav.sx
box = nav.get_viewbox()
xlim = ((box[0] + 1) / 2. * (duration_initial), (box[2] + 1) / 2. * (duration_initial))
xlimex, slice = get_view(data.shape[0], xlim, freq)
# Paging system.
dur = xlim[1] - xlim[0]
index = int(np.floor(xlim[0] / dur))
zoom_index = int(np.round(duration_initial / dur))
i = (index, zoom_index)
global SLICE
if i != SLICE:
SLICE = i
updater.update(data, xlimex, slice)
if updater.info:
figure.set_data(**updater.info)
updater.info.clear()
plt.animate(anim, dt=.01)
plt.action('Wheel', change_channel_height, key_modifier='Control',
param_getter=lambda p: p['wheel'] * .001)
plt.action('Wheel', pan, key_modifier='Shift',
param_getter=lambda p: (p['wheel'] * .002, 0))
plt.action('DoubleClick', 'ResetZoom')
plt.xlim(0., duration_initial)
plt.show()
# f.close()
