def tag_faces(_shape, _color, shape_name):
""" tag the faces of a shape
in this example, this easy to see which faces of the 2 shapes we need to glue together
so by reading the tagged faces, its easy to find the correct index for the
list `facesA` (5) and `facesB` (4)
:param _shape: the shape to tag
:param color: a string, to colors the faces the `_shape` we're exploring
:param shape_name: name to tag the faces the `_shape`
"""
for n, f in enumerate(_shape):
# centroid of the face
center_pt = center_boundingbox(f)
# displays the face in the viewer
display.DisplayShape(f, color=_color, transparency=0.5)
# tag the face in the viewer
display.DisplayMessage(center_pt, "{0}_nr_{1}".format(shape_name, n))
def tag_edge(_edge, msg, _color=(1, 0, 0)):
""" tag an edge
"""
pt = center_boundingbox(_edge)
display.DisplayMessage(pt, msg, None, _color, False)