In case anyone's interested, here's a simple example:
%matplotlib inline
import matplotlib.pyplot as plt
import random
import numpy as np
from ipywidgets import interactive, ToggleButton, HBox
redraw_fig = True
def update_plot(p):
global redraw_fig
if (redraw_fig):
plt.figure(1)
nx = 20
ny = 10
x = np.linspace(1, nx, nx)
y = np.linspace(1, ny, ny)
xv, yv = np.meshgrid(x, y)
rgb = np.zeros((nx*ny,3))
rgb[:,0] += 1 # default to all red
for rval in random.sample(range(nx*ny), int(p/100. * (nx*ny))):
rgb[:][rval] = [0,1,0]
area=200
plt.scatter(xv, yv, marker='s', s=area, c=rgb)
plt.axis('off')
plt.xticks([])
plt.yticks([])
# plt.show()
def play_cb(b):
global redraw_fig
redraw_fig = False
for idx in range(0,100,20):
print('>>> ',idx)
update_plot(idx)
plot = interactive(update_plot, p=(0, 100), continuous_update=False)
output = plot.children[-1]
output.layout.height = '300px'
play_btn = ToggleButton( description='Play' )
play_btn.observe(play_cb)
gui = HBox([plot,play_btn])
gui
On Sunday, February 23, 2020 at 10:15:25 PM UTC-5, Randy Heiland wrote:
>
> Hello,
>
> I'm doing the equivalent of this:
> self.i_plot = interactive(self.plot_file, frame=(0, num_files),
> continuous_update=False)
>
> def plot_file(self, file_num):
> ...
>
> and would like to have a "Play" button be able to programmatically step
> through all files. However, I can't directly call 'plot_file(fnum)' as it
> plots multiple (matplotlib) frames, rather than use the same frame. Any
> suggestions?
>
> thanks, Randy
>
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