def onselect(vertices):
path = Path( vertices, closed = True)
# fraction of a pixel difference below which vertices will be simplified out
path.simplify_threshold = 1.0
path.should_simplify = True
# path.contains_points(points = )
vertfilename = "maskselection.npz"
savez_dict = dict(vertices = vertices)
np.savez_compressed(vertfilename, **savez_dict)
# <codecell>
import matplotlib.path as mpath
from matplotlib.path import Path
vertfilename = "maskselection.npz"
data = np.load(vertfilename)
verts = data['vertices']
path = Path(verts, closed = True)
print len(path)
path.should_simplify = True
path.simplify_threshold = 10.0
# <codecell>
vertices = []
codes = []
for (vertex, code) in path.iter_segments(simplify = True):
vertices.append(vertex.tolist())
codes.append(code)
# <codecell>
cleanpath = Path(vertices, codes)
len(cleanpath)