Get Axis Range in Matplotlib Plots

The matplotlib library in Python comes with a number of useful functions and customizations that help you modify your plot to a great extent. In this tutorial, we will look at how to get the axis range of a matplotlib plot with the help of some examples.

Get Axis Limits using `xlim()` and `ylim()`

You can use the `maplotlib.pyplot`‘s `xlim()` and `ylim()` functions to get the axis ranges for the x-axis and the y-axis respectively. These functions are used to set the axis range (axis limits) by passing the range as a tuple but if you do not pass anything, it returns the current axis limits.

The following is the syntax –

```import matplotlib.pyplot as plt

# create a plot - for example, a scatter plot
plt.scatter(x, y)

# get the x-axis limits
plt.xlim(

# get the y-axis limits
plt.ylim()```

Let’s now look at some examples of using the above syntax. For this, we will be using the US dollar to Indian rupee conversion data from 2011 to 2020. Let’s plot the data as a scatter plot.

```import matplotlib.pyplot as plt

# x values - years
x = [2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020]
# y values - 1 USD in INR
y = [46.67, 53.44, 56.57, 62.33, 62.97, 66.46, 67.79, 70.09, 70.39, 76.38]

# plot x and y on scatter plot
plt.scatter(x, y)

plt.xlabel('Year')
plt.ylabel('1USD in INR')```

Output:

Example 1 – Get the x-axis range with `xlim()`

Let’s get the range of values in the x-axis.

```# plot x and y on scatter plot
plt.scatter(x, y)

# get the x-axis range
print(plt.xlim())```

Output:

Example 2 – Get the y-axis range with `ylim()`

You can similarly get the y-axis limits using the `ylim()` function on the matplotlib pyplot object `plt` without any arguments.

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```# plot x and y on scatter plot
plt.scatter(x, y)

# get the y-axis range
plt.ylim()```

Output:

We get the y-axis range as (45.1845, 77.8655).

Note that if you’re working with multiple subplots you can use the `get_xlim()` and `get_ylim()` functions on the individual `axes` objects (for example `ax1`) to get the axis limits for each subplot.

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