re Invent 2018 Map.py

import json
import matplotlib.pyplot as plt
import numpy as np
from shapely.geometry.polygon import LineString
from shapely.geometry.point import Point

def plot_line(ax, ob, color='black', linestyle='-'):
    x, y = ob.xy
    ax.plot(x,
            y,
            linestyle,
            color=color,
            linewidth=3,
            solid_capstyle='round',
            zorder=2)

def print_border(ax, waypoints, inner_border_waypoints,
                 outer_border_waypoints):
    line = LineString(waypoints)
    plot_line(ax, line, color='black', linestyle='--')
    line = LineString(inner_border_waypoints)
    plot_line(ax, line)
    line = LineString(outer_border_waypoints)
    plot_line(ax, line)
    
fig = plt.figure(1, figsize=(24, 16))
ax = fig.add_subplot(111)

waypoints = np.load('reinvent_base.npy')
center_line = LineString(waypoints[:,0:2])
inner_border = LineString(waypoints[:,2:4])
outer_border = LineString(waypoints[:,4:6])

ax.axis('off')

print_border(ax, center_line, inner_border, outer_border)