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del env py

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David Adams
2024-10-11 17:10:34 -07:00
parent 55b630e6c8
commit b010ab0e6d
19334 changed files with 1 additions and 4003544 deletions
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24
.venv/lib/python3.12/site-packages/shapely/algorithms/cga.py
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import numpy as np
import shapely
def signed_area(ring):
"""Return the signed area enclosed by a ring in linear time using the
algorithm at: https://web.archive.org/web/20080209143651/http://cgafaq.info:80/wiki/Polygon_Area
"""
coords = np.array(ring.coords)[:, :2]
xs, ys = np.vstack([coords, coords[1]]).T
return np.sum(xs[1:-1] * (ys[2:] - ys[:-2])) / 2.0
def is_ccw_impl(name=None):
"""Predicate implementation"""
def is_ccw_op(ring):
return signed_area(ring) >= 0.0
if shapely.geos_version >= (3, 7, 0):
return shapely.is_ccw
else:
return is_ccw_op