Pyqt6 matplotlib example You can embed Matplotlib figures in PyQt6 applications. from __future__ import unicode_literals import sys, os, random from qt import * from numpy import arange, sin, pi from matplotlib. qtmpl. Embedding Matplotlib Figures in PyQt6. Python is one of the most popular languages in the data science and machine learning fields. backend_qt5agg). Toggle Light / Dark / Auto color theme. Packaging & distribution of PyQt6 apps on Windows, macOS & Linux. Mar 31, 2015 · what you might be looking for, can be found here: embedded matplotlib in PyQt. Jan 16, 2009 · That's great. The final result needs to be in a Sep 17, 2012 · Relevant Qt widgets are in matplotlib. Nov 5, 2018 · I think you are confusing that you have created a widget called plotWidge in Qt Designer and you doing self. That's must be simple but I don't see how to do this. This is the code of the widget script. QtCore import Qt from PyQt5. Jun 27, 2014 · My pull-request for matplotlib to add PyQt5 support has been accepted and merged, meaning PyQt5 support will be available in the upcoming v1. linspace (0, 2 * np. Thank you! I am attempting to create checkboxes for selecting multiple columns in a dataframe for plotting in my PyQt6 GUI. ) over the plot. backend_qt4agg and qt5agg/ matplotlib. A step-by-step guide to creating your first window application, perfect for beginners looking to explore PyQt6 development. Graphics View in PyQt allows you get access to a highly performant graphics layer in Python for data visualization, mapping applications, 2D design tools, modern data dashboards and even 2D games. Implements a Matplotlib figure inside a QWidget. Threading, thread pools & processes, QThread. In this example I draw two triangles and I can modify their shape by moving one of their vertices. plot (x, np. 0 release of matplotlib. The binding can be selected by setting the QT_API environment variable to the binding name, or by first importing it. Why exactly is the second example so much faster than the first one? Jan 15, 2024 · In all the examples in this tutorial, we import PyQtGraph using import pyqtgraph as pg. Here is a minimum working example of the matplotlib widget I have. If you are starting a new project and do not need any of the features specifically provided by pyqtgraph, you should start with matplotlib. pyplot as plt import numpy as np x = np. QtWidgets import* from matplotlib. Download this example PyQt5, PyQt6, PySide2, or PySide6; matplotlib: Export of PlotItem in matplotlib figure run python -m pyqtgraph. Mar 25, 2025 · Vector graphics and plotting using PyQtGraph in PyQt6. QtWidgets import QDialog from PyQt5 I want to embed Matplotlib plot in my PyQt app using QWidget. pyplot. It is stil written for PyQt4 but it turned out that one just has to change all PyQt4's to 5 and replace QtGui with QtWidtgets. I'm a real newbie with mpl and I would like to know how to change figure after a PyQt-Event. I'm currently working on a project where I want to embed a matplotlib plot into a pyqt5 GUI. backend_qt5agg import FigureCanvasQTAgg as FigureCanvas from matplotlib. The plot is interactive and allows for the drawing of shaded rectangles. Toggle table of contents sidebar. On my Mac, I had to put the lines 'import matplotlib' and 'matplotlib. figure import Figure from matplotlib. matplotlib. These range from the standard Python plotting library, matplotlib, which has Qt support built-in, to Qt-specific PyQtGraph and Qt Charts which use the vector graphics features of Qt to provide highly responsive charts. It's a blog of one of matplotlib's developers. figure import Figure import matplotlib. 2k次，点赞17次，收藏62次。本文介绍了如何结合Qt Designer、PyQt5和Matplotlib创建GUI应用。首先，通过Qt Designer搭建GUI界面，包含Main Window、Widget和PushButton。 Dec 24, 2022 · I have an application where the user can open / close many windows containing different plots. We'll look at the basic building blocks of PyQt6 applications — Widgets, Layouts & Signals and learn how PyQt6 uses the event loop to handle and respond to user input. These are regular Qt widgets. QtWidgets import QApplication, QMainWindow, QPushButton, QVBoxLayout, QCheckBox, QWid Backends are used for displaying Matplotlib figures (see Introduction to Figures), on the screen, or for writing to files. This tutorial teaches you how to create interactive and customizable plots, and enhance your applications with real-time data visualization. Simple Qt application embedding Matplotlib canvases. Mar 2, 2023 · How to embed a Matplotlib Graph into PyQt6? We will present a step-wise breakdown of all the steps required to display matplotlib graphs in a PyQt6 application. use("Qt5Agg") from PyQt5 import QtCore from May 23, 2024 · 一、pyqt5的UI中嵌入matplotlib的方法 1、导入模块 导入模块比较简单，首先声明使用pyqt5，通过FigureCanvasQTAgg创建画布，可以将画布的图像显示到UI，相当于pyqt5的一个控件，后面的绘图就建立在这个画布上，然后把这个画布当中pyqt5的控件添加到pyqt5的UI上，其次要导入matplotlib. This program will work equally well using any Qt binding (PyQt6, PySide6, PyQt5, PySide2). 4. If Nov 2, 2024 · Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python. Code Example: Interactive Plotting with Matplotlib Dec 15, 2016 · Here is a solution for the second option mentionned, i. Expenses Tool Tutorial. Daniel from mplfinance gave me another tip. pyplot as plt Jul 1, 2022 · Extend your PySide6 GUIs with dynamic plotting using PyQtGraph. Aug 4, 2022 · Integrate Matplotlib plots within your PyQt6 applications for dynamic data visualization. ui > plotui. From my perspective, this task is best accomplished by getting matplotlib to render into an uncompressed Sep 17, 2012 · Relevant Qt widgets are in matplotlib. Jun 4, 2023 · From my perspective, this task is best accomplished by getting matplotlib to render into an uncompressed image format and then getting PyQt6 to draw that into an area of the user interface. show(). Simple Qt 3D Example¶. Apr 27, 2024 · The Qt Graphics View Framework allows you to develop fast and efficient 2D vector graphic scenes. QtGui import * from matplotlib. use() must be called before pylab, matplotlib. Jan 27, 2022 · 一、 简介 ‎matplotlib可以很容易嵌入PyQt、GTK、Tk、wxPython以及Web中。这里只介绍嵌入PyQt(PySide)。 Matplotlib系列将Matplotlib的知识和重点API，编制成思维导图和重点笔记形式，方便记忆和回顾，也方便应用时参考，初学者也可以参考逐步深入学习。 Oct 20, 2024 · @SGaist, @jsulm its fixed. backend_qt5agg import FigureCanvas from Mar 29, 2025 · Menus are a key part of most user interfaces, arranging commonly used features into navigable hierarchies. py \this just links the matplotlib backend to the widget plotui. This canvas object is also a QWidget and so can be embedded straight into an application as any other Qt widget. Creating a plot in matplotlib is done by creating a Figure directly. Previous. Next. For example, you could try to plot more data from the CSV. plot to send it to the window and add the figures into any QxLayout with layout. Apr 4, 2025 · Both versions are almost completely compatible aside from imports, and lack of support for some advanced modules in Qt6. Feb 10, 2021 · In the previous tutorial we covered an introduction to the Model View architecture. pyplot as plt from random import random from PyQt6 import QtWidgets from matplotlib. from PyQt5. Jan 22, 2020 · A Simple Example. Use Matplotlib to create plots and embed them in a PyQt6 application. In this tutorial we'll learn how to use PyQt6 to create desktop applications with Python. Matplotlib targets many different use cases and output formats. figure的Figure ，这里要注意的是 This PyQt6 tutorial shows you how to use Python3 and Qt to create GUI apps on Windows, Mac and Linux. The code has two implementations. Based off original work by @badders this re-implements the Qt backend structure as Qt5-first, with Qt4 wrappers for compatibility. ui \ This file is the qt designer file used to describe the gui Dec 9, 2018 · This is a very simple application done with python and qt, where there is an embedded matplotlib plot. backend_qt5agg import FigureCanvas or like this: from matplotlib. Apr 15, 2021 · The selected layout is applied to the the centralwidget of the QMainWindow and the widgets are added the layout, being laid out depending on the selected layout. backend_qt4agg. This has two advantages: the code you write will be more portable, and Matplotlib events are aware of things like data coordinate space and which axes Feb 19, 2024 · In all the examples in this tutorial, we import PyQtGraph using import pyqtgraph as pg. One of the major strengths of Python is in exploratory data science and visualization, using tools such as Pandas, numpy, sklearn for data analysis and matplotlib plotting. pyplot as plt 我們建立了一個名為 PlotCanvas 的控制元件，其中包含 Matplotlib 圖。 Jun 3, 2017 · I have the following code which I found here. pyplot, or matplotlib. PyQtGraph is a popular alternative that uses Qt's native QGraphicsScene to provide fast zooming, scaling, and drag-drop behavior that feels like a natural part of your application. use() has no effect because the backend has already been chosen; matplotlib. You can find all these examples inside the pyside-setup repository on the examples directory. Aug 4, 2022 · Integrate Matplotlib plots within your PyQt6 applications for dynamic data visualization. My idea would be for example to show different kinds of draw like for example the sin function and another function. Aug 24, 2024 · Python 使用 PyQt 画图的方法 Python使用PyQt画图的方法包括：使用QPainter类、使用QGraphicsView框架、通过Matplotlib集成。这些方法各有优缺点和适用场景。 其中，使用QPainter类是最基础的绘图方法，可以细粒度控制绘图过程。以下将详细描述如何使用QPainter类进行… Jul 28, 2017 · In order to use matplotlib in Qt Designer can not be done directly, for this we must promote a QWidget to use FigureCanvas or better a class that inherits from it as I show below, first we create a class called Canvas in file called canvas. backend_qt4agg import FigureCanvasQTAgg as FigureCanvas import sys import numpy as np class MyMplCanvas(FigureCanvas): def __init__(self Sep 12, 2023 · Now, I am struggling to discover how can I (or even if it is possible) to plot a figure object in the same matplotlib canvas that a previous figure object has been plotted, without erasing the previous plot. A collection of examples are provided with Qt for Python to help new users to understand different use cases of the module. Oct 20, 2021 · Start building Python GUIs with PyQt6. create a single worker and a thread and use those throughout the program's runtime. backends. Example: mw = MatplotlibWidget subplot = mw. PyQt6 Table views with numpy & pandas. draw() Function The draw() function in pyplot module of matplotlib library is used to r Dec 16, 2013 · import matplotlib matplotlib. Use getFigure() and redraw() to interact with matplotlib. backend_qtagg import FigureCanvasQTAgg as FigureCanvas from matplotlib Jul 10, 2020 · 文章浏览阅读8. . Effective visualization of data is a key part of building usable interfaces for data science. addWidget(figure), call xxx. If not you can install it as normal using Pip, with the following - pip install matplotlib A simple example. Working with relative paths, resources. PyQt6 also makes some changes to how namespaces and flags work, but these are easily manageable. examples to launch the examples application Feb 19, 2020 · This post is related to a recent topic where I asked help to use blit when operating with more than one interactor. Extending PyQt6 Signals. figure的Figure ，这里要注意 You have multiple options available for adding interactive plots to your Python GUIs. ukytb rmhqr sejaqck teik cxyj dltqhy mgd xrvbkdbc pevy srtmyfrl svstzka rpaztp mzv cesondtl rccvd