如何將串列轉換為點以繪制多邊形？

我有以下字典資料，我想將其轉換為 x 和 y 以從中繪制形狀，資料取自布局并顯示多邊形點的坐標。

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(2.776733234945394, 0.030051075371924085), (2.4531084353352606, -0.026372724929679237), (2.128341615555603, -0.07580114725309706), (1.8025839675607769, -0.11821118068921699), (1.4759871445753292, -0.15358308166989154), (1.1487031904933585, -0.18190038315934842), (0.8208844690959916, -0.20314990232026098), (0.4926835931199471, -0.21732174665088877), (0.16425335321019655, -0.22440931859041946)], [(0.0, -0.22499999999999964), (0.0, 0.22499999999999964), (0.15939857429757992, 0.22557322284574965), (0.4781215164760078, 0.23245130990036778), (0.7966218739502973, 0.2462042819847703), (1.1147513720551312, 0.2668257365399409), (1.4323619087750734, 0.294306073453356), (1.7493056236919855, 0.3286324995281955), (2.0654349668199696, 0.36978903443911193), (2.380602767295795, 0.41775651817168935), (2.694662301892821, 0.4725126199422114), (3.0074673633265383, 0.5340318485935285), (3.318872328319906, 0.6022855644622176), (3.628732225396822, 0.677241992711485), (3.782964280825289, 0.7174999999999994), (3.8981814670433184, 0.28250000000000064), (3.739251988606877, 0.2410158605098065), (3.4199547342585834, 0.16377649535954575), (3.0990653540877524, 0.09344398611414384), (2.776733234945394, 0.030051075371924085), (2.4531084353352606, -0.026372724929679237), (2.128341615555603, -0.07580114725309706), (1.8025839675607769, -0.11821118068921699), (1.4759871445753292, -0.15358308166989154), (1.1487031904933585, -0.18190038315934842), (0.8208844690959916, -0.20314990232026098), (0.4926835931199471, -0.21732174665088877), (0.16425335321019655, -0.22440931859041946)], [(0.0, -0.22499999999999964), (0.0, 0.22499999999999964), (0.15939857429757992, 0.22557322284574965), (0.4781215164760078, 0.23245130990036778), (0.7966218739502973, 0.2462042819847703), (1.1147513720551312, 0.2668257365399409), (1.4323619087750734, 0.294306073453356), (1.7493056236919855, 0.3286324995281955), (2.0654349668199696, 0.36978903443911193), (2.380602767295795, 0.41775651817168935), (2.694662301892821, 0.4725126199422114), (3.0074673633265383, 0.5340318485935285), (3.318872328319906, 0.6022855644622176), (3.628732225396822, 0.677241992711485), (3.782964280825289, 0.7174999999999994), (3.8981814670433184, 0.28250000000000064), (3.739251988606877, 0.2410158605098065), (3.4199547342585834, 0.16377649535954575), (3.0990653540877524, 0.09344398611414384), (2.776733234945394, 0.030051075371924085), (2.4531084353352606, -0.026372724929679237), (2.128341615555603, -0.07580114725309706), (1.8025839675607769, -0.11821118068921699), (1.4759871445753292, -0.15358308166989154), (1.1487031904933585, -0.18190038315934842), (0.8208844690959916, -0.20314990232026098), (0.4926835931199471, -0.21732174665088877), (0.16425335321019655, -0.22440931859041946)]]

coord = list(polygons)[0]
coord.append(coord[0]) #repeat the first point to create a 'closed loop'
xs, ys = zip(*coord) #create lists of x and y values

plt.figure()
plt.fill(xs,ys,'k') 
plt.ylim(-5, 5)
plt.xlim(0, 50)

但是當我繪制它時，我只得到了一半的多邊形。我怎樣才能得到另一半？ 真實的形狀如下圖：

uj5u.com熱心網友回復：

您擁有 中的串列串列polygon。要從中創建一個串列，您可以使用extend.

coord = []
for item in polygons:
    coord.extend(item)
coord.append(coord[0]) #repeat the first point to create a 'closed loop'
xs, ys = zip(*coord) #create lists of x and y values

plt.figure()
plt.fill(xs,ys,'k') 
plt.ylim(-5, 5)
plt.xlim(0, 10)
plt.show()

標籤：Python 列表 matplotlib 几何学 多边形

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