October 2018
Beginner to intermediate
676 pages
18h 30m
English
Content preview from Matplotlib 3.0 Cookbook
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How to do it...
Here are the steps to plot 3D line graphs:
- Prepare the data for the x, y, and z axis coordinates:
x = np.linspace(-5, 5, 25)y = np.linspace(-5, 5, 25)z = x**2 + y**2z1 = 1 - (x**2 + y**2)
- Define a function to plot the graph and set its attributes:
def plot_graph(axes, xlabel, ylabel, zlabel, title, elevation, rotation): axes.plot3D(x, y, z, label='concave') axes.plot(x, y, z1, label='convex') axes.view_init(elev=elevation, azim=rotation) axes.set_xlabel(xlabel) axes.set_ylabel(ylabel) axes.set_zlabel(zlabel) axes.set_title(title) axes.legend(loc='best')
- Define the figure and axes, ax1, for 3D plotting:
fig = plt.figure(figsize=(15,9))ax1 = fig.add_subplot(231, projection='3d')
- Plot the curves on ax1 with the default ...
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