Pyqtgraph legend. These elements help provide context, identify plot data, and impr Aug 28, 2019 · In this PyqtGraph Tutorial i want to show you How To Create Legend. anchor (). In some cases the user may want to draw the legend to somewhere else. com Apr 25, 2025 · This document covers the various components in PyQtGraph that allow users to add legends, labels, and scale indicators to their plots. e. Note that this item should not be added 12 I'm using pyqtgraph and I'd like to add an item in the legend for InfiniteLines. Since the user can also drag the legend to a different place using the mouse, I would like to store its position and perhaps restore this position later. LegendItems are most commonly created by calling PlotItem. before this we had some articles on PyqtGraph , so you can check the articles in the below link. By default the chart draws the legend inside the same view with the chart. , plots, axes, curves can be added or modified. Here's the example, updated to use LegendItem. setParentItem rather than vb. To make this possible the legend can be detached from the chart. addItem for anchoring to work properly. mkPen>` is allowed. LegendItem # class pyqtgraph. Qt import QtCore, QtGui See full list on pythonguis. Any single argument accepted by :func:`mkPen <pyqtgraph. addLegend. Please note that I also fixed a related issue--we need to use legend. brush QBrush to use as legend background filling. LegendItem(size=None, offset=None, horSpacing=25, verSpacing=0, pen=None, brush=None, labelTextColor=None, frame=True, labelTextSize='9pt', rowCount=1, colCount=1, **kwargs) [source] ¶ Displays a legend used for describing the contents of a plot. Legend Example ¶ This example shows how to detach the legend from the chart and how to attach it back. 我正在使用 pyqtgraph，我想在 InfiniteLines 的图例中添加一个项目。 我修改了示例代码来演示： # -*- 编码：utf-8 -*- ”“” 演示 LegendItem 的基本用法 ”“” Jul 7, 2019 · The addLengend () command creates a new legend each time it is called, however, my understanding is that this is only created once and if it is called again it only references the legend that was already created? So, how do i properly initialize the legends once, and then format the style to match the background instead of black? Simplified LegendItem ¶ class pyqtgraph. I've adapted the example code to demonstrate: # -*- coding: utf-8 -*- """ Demonstrates basic use of LegendItem """ import initExample ## Add path to library (just for examples; you do not need this) import pyqtgraph as pg from pyqtgraph. Note that this item should not be added directly Sep 13, 2024 · I have a Qt5 window with a pyqtgraph in a dynamic situation, i. LegendItem( size=None, offset=None, horSpacing=5, verSpacing=0, pen=None, brush=None, labelTextColor=None, frame=True, labelTextSize='9pt', colCount=1, sampleType=None, **kwargs, ) [source] # Displays a legend used for describing the contents of a plot. LegendItem(size=None, offset=None, horSpacing=25, verSpacing=0, pen=None, brush=None, labelTextColor=None, frame=True, labelTextSize='9pt', colCount=1, sampleType=None, **kwargs) [source] ¶ Displays a legend used for describing the contents of a plot. Also, the legend can be shown and hidden. LegendItem ¶ class pyqtgraph. Detaching means that the chart doesn’t draw the legend or try to change its Apr 7, 2014 · LegendItem uses anchoring to make sure that it maintains some position relative to its parent, even after the parent resizes. Note that this item should not be added Fast data visualization and GUI tools for scientific / engineering applications - pyqtgraph/pyqtgraph. dhitlhl lqev jftzh twnn cxxp xpezl cdm zoksq chx vbex