eclipse_gis.py 文件源码

def generate_polygon(points):
  from shapely.geometry import Polygon, Point, LineString
  p = []
  p.append(points[0][1])
  for point in points:
    p.append(point[0])
  p.append(points[-1][1])
  for point in points[::-1]:
    p.append(point[2])
  eclipse_boundary = Polygon(p)

  p = []
  for point in points:
    p.append(point[1])
  center_line = LineString(p)

  return eclipse_boundary, center_line