Spaces:
Runtime error
Runtime error
File size: 10,143 Bytes
3c10b34 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 |
# import IPython
import os
import matplotlib.animation as animation
import matplotlib.colors as colors
import matplotlib.patheffects as pe
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
def save_fig(fig_id, tight_layout=True):
if tight_layout:
plt.tight_layout()
plt.savefig(fig_id + ".png", format="png", dpi=300)
def draw_stickfigure(mocap_track, frame, data=None, joints=None, draw_names=False, ax=None, figsize=(8, 8)):
if ax is None:
fig = plt.figure(figsize=figsize)
ax = fig.add_subplot(111)
if joints is None:
joints_to_draw = mocap_track.skeleton.keys()
else:
joints_to_draw = joints
if data is None:
df = mocap_track.values
else:
df = data
for joint in joints_to_draw:
ax.scatter(
x=df["%s_Xposition" % joint][frame], y=df["%s_Yposition" % joint][frame], alpha=0.6, c="b", marker="o"
)
parent_x = df["%s_Xposition" % joint][frame]
parent_y = df["%s_Yposition" % joint][frame]
children_to_draw = [c for c in mocap_track.skeleton[joint]["children"] if c in joints_to_draw]
for c in children_to_draw:
child_x = df["%s_Xposition" % c][frame]
child_y = df["%s_Yposition" % c][frame]
ax.plot([parent_x, child_x], [parent_y, child_y], "k-", lw=2)
if draw_names:
ax.annotate(joint, (df["%s_Xposition" % joint][frame] + 0.1, df["%s_Yposition" % joint][frame] + 0.1))
return ax
def draw_stickfigure3d(mocap_track, frame, data=None, joints=None, draw_names=False, ax=None, figsize=(8, 8)):
from mpl_toolkits.mplot3d import Axes3D
if ax is None:
fig = plt.figure(figsize=figsize)
ax = fig.add_subplot(111, projection="3d")
if joints is None:
joints_to_draw = mocap_track.skeleton.keys()
else:
joints_to_draw = joints
if data is None:
df = mocap_track.values
else:
df = data
for joint in joints_to_draw:
parent_x = df["%s_Xposition" % joint][frame]
parent_y = df["%s_Zposition" % joint][frame]
parent_z = df["%s_Yposition" % joint][frame]
# ^ In mocaps, Y is the up-right axis
ax.scatter(xs=parent_x, ys=parent_y, zs=parent_z, alpha=0.6, c="b", marker="o")
children_to_draw = [c for c in mocap_track.skeleton[joint]["children"] if c in joints_to_draw]
for c in children_to_draw:
child_x = df["%s_Xposition" % c][frame]
child_y = df["%s_Zposition" % c][frame]
child_z = df["%s_Yposition" % c][frame]
# ^ In mocaps, Y is the up-right axis
ax.plot([parent_x, child_x], [parent_y, child_y], [parent_z, child_z], "k-", lw=2, c="black")
if draw_names:
ax.text(x=parent_x + 0.1, y=parent_y + 0.1, z=parent_z + 0.1, s=joint, color="rgba(0,0,0,0.9")
return ax
def sketch_move(mocap_track, data=None, ax=None, figsize=(16, 8)):
if ax is None:
fig = plt.figure(figsize=figsize)
ax = fig.add_subplot(111)
if data is None:
data = mocap_track.values
for frame in range(0, data.shape[0], 4):
# draw_stickfigure(mocap_track, f, data=data, ax=ax)
for joint in mocap_track.skeleton.keys():
children_to_draw = [c for c in mocap_track.skeleton[joint]["children"]]
parent_x = data["%s_Xposition" % joint][frame]
parent_y = data["%s_Yposition" % joint][frame]
frame_alpha = frame / data.shape[0]
for c in children_to_draw:
child_x = data["%s_Xposition" % c][frame]
child_y = data["%s_Yposition" % c][frame]
ax.plot([parent_x, child_x], [parent_y, child_y], "-", lw=1, color="gray", alpha=frame_alpha)
def render_mp4(mocap_track, filename, data=None, ax=None, axis_scale=50, elev=45, azim=45):
if ax is None:
fig = plt.figure(figsize=(10, 10))
ax = fig.add_subplot(111, projection="3d")
ax.set_xlim3d(-axis_scale, axis_scale)
ax.set_zlim3d(0, axis_scale)
ax.set_ylim3d(-axis_scale, axis_scale)
ax.grid(True)
ax.set_axis_off()
ax.view_init(elev=elev, azim=azim)
xs = np.linspace(-200, 200, 50)
ys = np.linspace(-200, 200, 50)
X, Y = np.meshgrid(xs, ys)
Z = np.zeros(X.shape)
wframe = ax.plot_wireframe(X, Y, Z, rstride=2, cstride=2, color="grey", lw=0.2)
# fig = plt.figure(figsize=figsize)
# ax = fig.add_subplot(111)
if data is None:
data = mocap_track.values
fps = int(np.round(1 / mocap_track.framerate))
lines = []
lines.append(
[
plt.plot(
[0, 0],
[0, 0],
[0, 0],
color="red",
lw=2,
path_effects=[pe.Stroke(linewidth=3, foreground="black"), pe.Normal()],
)[0]
for _ in range(len(mocap_track.skeleton.keys()))
]
)
def animate(frame):
changed = []
j = 0
for joint in mocap_track.skeleton.keys():
children_to_draw = [c for c in mocap_track.skeleton[joint]["children"]]
parent_x = data["%s_Xposition" % joint][frame]
parent_y = data["%s_Yposition" % joint][frame]
parent_z = data["%s_Zposition" % joint][frame]
# frame_alpha = frame/data.shape[0]
for c in children_to_draw:
child_x = data["%s_Xposition" % c][frame]
child_y = data["%s_Yposition" % c][frame]
child_z = data["%s_Zposition" % c][frame]
lines[0][j].set_data(np.array([[child_x, parent_x], [-child_z, -parent_z]]))
lines[0][j].set_3d_properties(np.array([child_y, parent_y]))
changed += lines
j += 1
return changed
plt.tight_layout()
ani = animation.FuncAnimation(fig, animate, np.arange(data.shape[0]), interval=1000 / fps)
if filename != None:
ani.save(filename, fps=fps, bitrate=13934)
ani.event_source.stop()
del ani
plt.close()
try:
plt.show()
plt.save()
except AttributeError as e:
pass
def viz_cnn_filter(feature_to_viz, mocap_track, data, gap=25):
fig = plt.figure(figsize=(16, 4))
ax = plt.subplot2grid((1, 8), (0, 0))
ax.imshow(feature_to_viz.T, aspect="auto", interpolation="nearest")
ax = plt.subplot2grid((1, 8), (0, 1), colspan=7)
for frame in range(feature_to_viz.shape[0]):
frame_alpha = 0.2 # frame/data.shape[0] * 2 + 0.2
for joint_i, joint in enumerate(mocap_track.skeleton.keys()):
children_to_draw = [c for c in mocap_track.skeleton[joint]["children"]]
parent_x = data["%s_Xposition" % joint][frame] + frame * gap
parent_y = data["%s_Yposition" % joint][frame]
ax.scatter(
x=parent_x,
y=parent_y,
alpha=0.6,
cmap="RdBu",
c=feature_to_viz[frame][joint_i] * 10000,
marker="o",
s=abs(feature_to_viz[frame][joint_i] * 10000),
)
plt.axis("off")
for c in children_to_draw:
child_x = data["%s_Xposition" % c][frame] + frame * gap
child_y = data["%s_Yposition" % c][frame]
ax.plot([parent_x, child_x], [parent_y, child_y], "-", lw=1, color="gray", alpha=frame_alpha)
def print_skel(X):
stack = [X.root_name]
tab = 0
while stack:
joint = stack.pop()
tab = len(stack)
print("%s- %s (%s)" % ("| " * tab, joint, X.skeleton[joint]["parent"]))
for c in X.skeleton[joint]["children"]:
stack.append(c)
# def nb_play_mocap_fromurl(mocap, mf, frame_time=1/30, scale=1, base_url='http://titan:8385'):
# if mf == 'bvh':
# bw = BVHWriter()
# with open('test.bvh', 'w') as ofile:
# bw.write(mocap, ofile)
# filepath = '../notebooks/test.bvh'
# elif mf == 'pos':
# c = list(mocap.values.columns)
# for cc in c:
# if 'rotation' in cc:
# c.remove(cc)
# mocap.values.to_csv('test.csv', index=False, columns=c)
# filepath = '../notebooks/test.csv'
# else:
# return
# url = '%s/mocapplayer/player.html?data_url=%s&scale=%f&cz=200&order=xzyi&frame_time=%f'%(base_url, filepath, scale, frame_time)
# iframe = '<iframe src=' + url + ' width="100%" height=500></iframe>'
# link = '<a href=%s target="_blank">New Window</a>'%url
# return IPython.display.HTML(iframe+link)
# def nb_play_mocap(mocap, mf, meta=None, frame_time=1/30, scale=1, camera_z=500, base_url=None):
# data_template = 'var dataBuffer = `$$DATA$$`;'
# data_template += 'var metadata = $$META$$;'
# data_template += 'start(dataBuffer, metadata, $$CZ$$, $$SCALE$$, $$FRAMETIME$$);'
# dir_path = os.path.dirname(os.path.realpath(__file__))
# if base_url is None:
# base_url = os.path.join(dir_path, 'mocapplayer/playBuffer.html')
# # print(dir_path)
# if mf == 'bvh':
# pass
# elif mf == 'pos':
# cols = list(mocap.values.columns)
# for c in cols:
# if 'rotation' in c:
# cols.remove(c)
# data_csv = mocap.values.to_csv(index=False, columns=cols)
# if meta is not None:
# lines = [','.join(item) for item in meta.astype('str')]
# meta_csv = '[' + ','.join('[%s]'%l for l in lines) +']'
# else:
# meta_csv = '[]'
# data_assigned = data_template.replace('$$DATA$$', data_csv)
# data_assigned = data_assigned.replace('$$META$$', meta_csv)
# data_assigned = data_assigned.replace('$$CZ$$', str(camera_z))
# data_assigned = data_assigned.replace('$$SCALE$$', str(scale))
# data_assigned = data_assigned.replace('$$FRAMETIME$$', str(frame_time))
# else:
# return
# with open(os.path.join(dir_path, 'mocapplayer/data.js'), 'w') as oFile:
# oFile.write(data_assigned)
# url = '%s?&cz=200&order=xzyi&frame_time=%f&scale=%f'%(base_url, frame_time, scale)
# iframe = '<iframe frameborder="0" src=' + url + ' width="100%" height=500></iframe>'
# link = '<a href=%s target="_blank">New Window</a>'%url
# return IPython.display.HTML(iframe+link)
|