回答編集履歴
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サンプル追加
test
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@@ -33,3 +33,119 @@
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[https://matplotlib.org/mpl_toolkits/mplot3d/tutorial.html#mpl_toolkits.mplot3d.Axes3D.plot_trisurf](https://matplotlib.org/mpl_toolkits/mplot3d/tutorial.html#mpl_toolkits.mplot3d.Axes3D.plot_trisurf)
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**【追記】**
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修正例
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```Python
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import numpy as np
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import matplotlib.pyplot as plt
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from mpl_toolkits.mplot3d import Axes3D
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import matplotlib.animation as animation
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import serial
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arduinoData = serial.Serial("COM4" , 9600)
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def update_lines(num):
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arduinoString = arduinoData.readline().decode("ascii")
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dataArray = arduinoString.split(' ')
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if len(dataArray) == 3:
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angle , r , time = [int(dataArray[0]) , float(dataArray[1]) , float(dataArray[2]) ]
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text.set_text("{:d}: [{:.0f},{:.0f},{:.0f}]".format(num, angle, r, time)) # for debugging
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theta = (360 - angle) * 2 * np.pi / 360
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dx = r * np.cos(theta)
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dy = r * np.sin(theta)
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dz = time
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x.append(dx)
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y.append(dy)
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z.append(dz)
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if len(x) > 3:
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# ここでは描画処理を行う（描画前に画面をクリアする）
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plt.cla()
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ax.plot_trisurf(x, y, z, alpha = 0.5)
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else:
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pass
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x = []
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y = []
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z = []
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fig = plt.figure(figsize=(5, 5))
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ax = fig.add_subplot(111, projection="3d")
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# ここでは描画しない
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# ax.plot_trisurf(x, y, z, alpha = 0.5)
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text = fig.text(0, 1, "TEXT", va='top') # for debugging
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ax.set_xlim3d(-20, 20)
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ax.set_ylim3d(-20, 20)
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ax.set_zlim3d(0, 50)
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ax.set_xlabel("Radius_x(cm)")
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ax.set_ylabel("Radius_y(cm)")
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ax.set_zlabel("Time(sec)")
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# Creating the Animation object
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ani = animation.FuncAnimation(fig, update_lines, frames=200, interval=5000, blit=False)
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plt.show()
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```
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