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anim_substrate_step.py
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anim_substrate_step.py
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import sys,pathlib
import math
import scipy.io
import matplotlib
#import matplotlib.pyplot as plt # NB! do this AFTER the TkAgg line below!
#import matplotlib.colors as mplc
try:
# apparently we need mpl's Qt backend to do keypresses
# matplotlib.use("Qt5Agg")
matplotlib.use("TkAgg")
import matplotlib.pyplot as plt
except:
print("\n---Error: cannot use matplotlib's TkAgg backend")
# print("Consider installing Anaconda's Python 3 distribution.")
raise
current_idx = 0
if (len(sys.argv) < 3):
frame_idx = 0
field_index = 4
else:
kdx = 1
frame_idx = int(sys.argv[kdx])
kdx += 1
field_index = int(sys.argv[kdx])
print('frame, field = ',frame_idx, field_index)
fig = plt.figure(figsize=(7,7))
#fig = plt.figure(figsize=(7,5.8))
ax = fig.gca()
time_delay = 0.1
count = -1
#def plot_substrate(FileId):
def plot_substrate():
global current_idx, axes_max
# select whichever substrate index you want, e.g., for one model:
# 4=tumor cells field, 5=blood vessel density, 6=growth substrate
# field_index = 4
# field_index = 5
# print('debug> plot_substrate: idx=',FileId)
# fname = "output%08d_microenvironment0.mat" % FileId
fname = "output%08d_microenvironment0.mat" % current_idx
output_dir_str = '.'
fullname = output_dir_str + "/" + fname
if not pathlib.Path(fullname).is_file():
print("file not found",fullname)
return
info_dict = {}
scipy.io.loadmat(fullname, info_dict)
M = info_dict['multiscale_microenvironment']
# global_field_index = int(mcds_field.value)
print('plot_substrate: field_index=',field_index)
f = M[field_index,:] #
#plt.clf()
#my_plot = plt.imshow(f.reshape(400,400), cmap='jet', extent=[0,20, 0,20])
# fig = plt.figure(figsize=(7,7))
# fig = plt.figure(figsize=(7,5.8))
N = int(math.sqrt(len(M[0,:])))
grid2D = M[0,:].reshape(N,N)
xvec = grid2D[0,:]
#xvec.size
#xvec.shape
num_contours = 30
num_contours = 10
# my_plot = plt.contourf(xvec,xvec,M[field_index,:].reshape(100,100), num_contours, cmap='viridis') #'viridis'
my_plot = plt.contourf(xvec,xvec,M[field_index,:].reshape(N,N), num_contours, cmap='viridis') #'viridis'
# plt.colorbar(my_plot)
axes_min = 0
axes_min = -2000
axes_max = 2000
# plt.xlim(axes_min,axes_max)
# plt.ylim(axes_min,axes_max)
# plt.title(fname)
# ax.set_title(fname)
# plt.axis('equal')
# plt.show()
plt.pause(time_delay)
step_value = 1
def press(event):
global current_idx, step_value
# print('press', event.key)
sys.stdout.flush()
if event.key == 'escape':
sys.exit(1)
elif event.key == 'h': # help
print('esc: quit')
print('right arrow: increment by step_value')
print('left arrow: decrement by step_value')
print('up arrow: increment step_value by 1')
print('down arrow: decrement step_value by 1')
print('0: reset to 0th frame')
print('h: help')
elif event.key == 'left': # left arrow key
# print('go backwards')
# fig.canvas.draw()
current_idx -= step_value
if (current_idx < 0):
current_idx = 0
plot_substrate()
elif event.key == 'right': # right arrow key
# print('go forwards')
# fig.canvas.draw()
current_idx += step_value
plot_substrate()
elif event.key == 'up': # up arrow key
step_value += 1
print('step_value=',step_value)
elif event.key == 'down': # down arrow key
step_value -= 1
if (step_value <= 0):
step_value = 1
print('step_value=',step_value)
elif event.key == '0': # reset to 0th frame/file
current_idx = 0
plot_substrate()
else:
print('press', event.key)
plot_substrate()
print("\nNOTE: click in plot window to give it focus before using keys.")
fig.canvas.mpl_connect('key_press_event', press)
#plot_substrate(frame_idx)
plt.show()