It is a multi platform data visualization library built on numpy arrays and designed to work with the broader scipy stack.
Import matplotlib pyplot as plt save image.
Matplotlib is highly useful visualization library in python.
May 11 2020 updated.
Matplotlib pyplot imshow is defined as.
Matplotlib pyplot imshow can display data as an image file we will use some examples to show you how to use this function correctly in this tutorial.
Code to save the plot as an image matplotlib import matplotlib pyplot as plt declaring the points for first line plot x1 1 2 3 4 5 y1 2 4 6 8 10 setting the figure size fig plt figure figsize 10 5 plotting the first plot plt plot x1 y1 label plot 1 declaring the points for second line plot x2 1 2 3 4 5 y2.
For this example we ll plot the number of books read over the span of a few months.
Related course the course below is all about data visualization.
Data visualization with matplotlib and python.
Savefig method to save plots as pdf file savefig method of the pdfpages class the plots generated from matplotlib can be simply saved as a pdf file using the pdf extension of the filename in the savefig method.
Pyplot is mainly intended for interactive plots and simple cases of programmatic plot generation.
Matplotlib pyplot is a state based interface to matplotlib.
Save figure matplotlib can save plots directly to a file using.
Matplotlib save figure to image file.
Visualization plays a very important role as it helps us to understand huge chunks of data and extract knowledge.
It provides a matlab like way of plotting.
Import matplotlib pyplot as plt import matplotlib image as mpimg importing image data into numpy arrays matplotlib relies on the pillow library to load image data.
Import matplotlib import matplotlib pyplot as plt now to create and display a simple chart we ll first use the plot method and pass in a few arrays of numbers for our values.
To save multiple plots in a single pdf file we use the pdfpages class.