in Bot2/ImageUpdate/hello_world/twitterUpdateImage.py [0:0]
def get_face_boxes(faces, source_size):
# this list comprehension builds a bounding box around the faces
return [
(
int(f['BoundingBox']['Left'] * source_size[0]),
int(f['BoundingBox']['Top'] * source_size[1]),
int((f['BoundingBox']['Left'] + f['BoundingBox']['Width']) * source_size[0]),
int((f['BoundingBox']['Top'] + f['BoundingBox']['Height']) * source_size[1]),
# we store the final coordinate of the bounding box as the pitch of the face
f['Pose']['Roll']
)
for f in faces
]