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34 lines
860 B
Python
34 lines
860 B
Python
import numpy as np
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import matplotlib.pyplot as plt
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def blending_function_1(t):
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return -t + 2*t**2 - t**3
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def blending_function_2(t):
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return 2 - 5*t**2 + 3*t**3
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def blending_function_3(t):
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return t + 4*t**2 - 3*t**3
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def blending_function_4(t):
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return -t**2 + t**3
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def plot_blending_functions():
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t = np.linspace(0, 1, 100)
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plt.plot(t, blending_function_1(t), label='b1')
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plt.plot(t, blending_function_2(t), label='b2')
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plt.plot(t, blending_function_3(t), label='b3')
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plt.plot(t, blending_function_4(t), label='b4')
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plt.title("Catmull-Rom Blending Functions")
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plt.xlabel("t")
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plt.ylabel("Value")
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plt.legend()
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plt.grid(True)
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plt.axhline(y=0, color='k', linestyle='--')
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plt.axvline(x=0, color='k', linestyle='--')
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plt.show()
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if __name__ == "__main__":
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plot_blending_functions() |