To fully document your matplotlib graph you usually have to resort to labels annotations and legends.
Matplotlib vertical line label.
X position in data coordinates of the vertical line.
Conclusion of drawing horizontal and vertical lines in matplotlib in this tutorial we will introduce two methods to draw horizontal and vertical lines in matplotlib.
Matplotlib pyplot vlines x ymin ymax colors k linestyles solid label data none kwargs source plot vertical lines.
X position in data coordinates of the vertical line.
How to plot a simple vertical line on a matplotlib figure.
November 24 2019 updated.
Scalar or 1d array like.
Hlines and vlines to plot horizontal and vertical line in matplotlib.
The codes to create the above figure is from matplotlib import pyplot as plt from datetime import datetime timedelta values range 10 dates datetime now timedelta days for in range 10 fig ax plt subplots plt plot dates.
The purpose is to make it easy for the viewer to know the name or kind of data.
Ymax scalar optional default.
X position in data coordinates of the vertical line.
Should be between 0 and 1 0 being the bottom of the plot 1 the top of the plot.
In this tutorial we re going to cover legends titles and labels within matplotlib.
Should be between 0 and 1 0 being the bottom of the plot 1 the top of the plot.
Each of these elements has a different purpose as follows.
Should be between 0 and 1 0 being the bottom of the plot 1 the top of the plot.
Should be between 0 and 1 0 being the bottom of the plot 1 the top of the plot.
Plot vertical lines at each x from ymin to ymax.
Import matplotlib pyplot as plt import numpy as np x np linspace 0 2 np pi 1000 y1 np sin x f plt figure ax f add subplot 111 plt plot x y1 b label sine plt axvline x np pi color red plt title.
Ymin scalar optional default.
Should be between 0 and 1 0 being the bottom of the plot 1 the top of the plot.
A lot of times graphs can be self explanatory but having a title to the graph labels on the axis and a legend that explains what each line is can be necessary.
X indexes where to plot the lines.
Axhline and axvline to plot horizontal and vertical lines in matplotlib.
Provides positive identification of a particular data element or grouping.