PyQtGraph – Getting Tool Tip of Scatter Plot Graph
In this article, we will see how we can get tool tip of the scatter plot graph in the PyQtGraph module. PyQtGraph is a graphics and user interface library for Python that provides functionality commonly required in designing and science applications. Its primary goals are to provide fast, interactive graphics for displaying data (plots, video, etc.). A scatter plot (aka scatter chart, scatter graph) uses dots to represent values for two different numeric variables. It is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. The position of each dot on the horizontal and vertical axis indicates values for an individual data point. The tooltip or hint is a common graphical user interface element displayed as an informational text box when hovering over an item. The user hovers the pointer over an item, without clicking it, and a tooltip may appear as a small “hover box” with information about the item being hovered over. t can be set with the help of setToolTip method.
We can create a plot window and create a scatter plot graph on it with the help of commands given below.
# creating a pyqtgraph plot window plt = pg.plot() # creating a scatter plot graph of size = 10 scatter = pg.ScatterPlotItem(size=10)
In order to do this we use toolTip method with the scatter plot graph object
Syntax : scatter.toolTip()
Argument : It takes no argument
Return : It returns string
Below is the implementation.
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