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nxutils.py
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51 lines (37 loc) · 1.26 KB
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import warnings
from matplotlib import path
from matplotlib.cbook import mplDeprecation
def pnpoly(x, y, xyverts):
"""
inside = pnpoly(x, y, xyverts)
Return 1 if x,y is inside the polygon, 0 otherwise.
*xyverts*
a sequence of x,y vertices.
A point on the boundary may be treated as inside or outside.
.. deprecated:: 1.2.0
Use :meth:`~matplotlib.path.Path.contains_point` instead.
"""
warnings.warn(
"nxutils is deprecated. Use matplotlib.path.Path.contains_point"
" instead.",
mplDeprecation)
p = path.Path(xyverts)
return p.contains_point(x, y)
def points_inside_poly(xypoints, xyverts):
"""
mask = points_inside_poly(xypoints, xyverts)
Returns a boolean ndarray, True for points inside the polygon.
*xypoints*
a sequence of N x,y pairs.
*xyverts*
sequence of x,y vertices of the polygon.
A point on the boundary may be treated as inside or outside.
.. deprecated:: 1.2.0
Use :meth:`~matplotlib.path.Path.contains_points` instead.
"""
warnings.warn(
"nxutils is deprecated. Use matplotlib.path.Path.contains_points"
" instead.",
mplDeprecation)
p = path.Path(xyverts)
return p.contains_points(xypoints)