Matplotlib 3.0 Cookbook

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In this example, we have used predefined "round" boxstyle. There are many predefined options, such as "circle", "darrow", "larrow", "rarrow", "square", "sawtooth" , and "roundtooth".

We can also custom develop these boxstyles as shown as follows:

1. Import the required libraries:

import matplotlib.pyplot as pltfrom matplotlib.path import Path

2. Define a function to plot a custom text box:

def tbox_custom_style(x0, y0, width, height, size, mutation_aspect=1):    pad = 0.5 * size    x0, y0 = x0 - pad, y0 - pad    width, height = width + 2 * pad, height + 2 * pad    x1, y1 = x0 + width, y0 + height     # Define the points along with first curve to be drawn    verts = [(x0, y0), (x1, y0),(x1 + 2*pad, y0 + 2*pad),(x1, y1),              (x0, y1), (x0, y0)]