Pyqt6 matplotlib example Creating a plot in matplotlib is done by creating a Figure directly. Backends are used for displaying Matplotlib figures (see Introduction to Figures), on the screen, or for writing to files. pyplot as plt On my Mac, I had to put the lines 'import matplotlib' and 'matplotlib. draw() Function The draw() function in pyplot module of matplotlib library is used to r The example is neither runnable, nor minimal. py \ This file was automatically generated using the command pyuic4 plot. rcParams[‘backend. This tutorial teaches you how to create interactive and customizable plots, and enhance your applications with real-time data visualization. Previous. Dec 16, 2013 · import matplotlib matplotlib. If you are starting a new project and do not need any of the features specifically provided by pyqtgraph, you should start with matplotlib. Jul 14, 2020 · Background. QtWidgets import* from matplotlib. g. figure import Figure import matplotlib. figure的Figure ，这里要注意 Jul 10, 2020 · 文章浏览阅读8. backend_qt5agg import FigureCanvasQTAgg as FigureCanvas But I already figured out why. 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. By running the code with argument ‘0 May 3, 2018 · matplotlib嵌入PyQt5欢迎使用Markdown编辑器新的改变功能快捷键合理的创建标题，有助于目录的生成如何改变文本的样式插入链接与图片如何插入一段漂亮的代码片生成一个适合你的列表创建一个表格设定内容居中、居左、居右SmartyPants创建一个自定义列表如何创建一个注脚注释也是必不可少的KaTeX数学 ここでは、PyQtとMatplotlibを使用して、グラフを表示する方法を記載する。 Matplotlibとは. Watchers. 3k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。 嵌入 Matplotlib 画布的简单 Qt 应用程序。该程序在使用任何 Qt 绑定（PyQt6、PySide6、PyQt5、PySide2）时同样可以正常工作。可以通过将 QT_API 环境变量设置为绑定名称或首先导入它来选择绑定。 Apr 27, 2024 · The Qt Graphics View Framework allows you to develop fast and efficient 2D vector graphic scenes. 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. Jul 1, 2022 · Extend your PySide6 GUIs with dynamic plotting using PyQtGraph. backend_qt5agg import FigureCanvas from 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. The backend_qt5agg file seems to define FigureCanvas as an alias for FigureCanvasQTAgg. Toolbars are used for grouping the most common actions in an easy to reach location. At first I attempted to use a new Matplotlib Figure for each window but I had trouble releasing the me Jun 28, 2023 · I was having the same exact problem in a integration between PyQt6 and MatPlotLib till I found this new command: matplotlib. Looking for something else? I also have a PyQt5 tutorial, PyQt6 tutorial and PySide2 tutorial. As the code is written in the answer, it generated a warning saying: This call to matplotlib. use() has no effect because the backend has already been chosen; matplotlib. backend_qt5agg). The binding can be selected by setting the QT_API environment variable to the binding name, or by first importing it. Here is my code: import sys from PyQt6. This is only to understand the way mpl manage changes in the figure. Example: mw = MatplotlibWidget subplot = mw. py plot. getFigure () Jul 11, 2022 · A Simple Example. PyQt6 also makes some changes to how namespaces and flags work, but these are easily manageable. 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. Nov 2, 2024 · Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python. Use Matplotlib to create plots and embed them in a PyQt6 application. pyplot, or matplotlib. That's must be simple but I don't see how to do this. import matplotlib. May 7, 2020 · And here is my proposed solution. If not you can install it as normal using Pip, with the following - pip install matplotlib A simple example. Try modifying the sources to get different output. Jan 16, 2009 · That's great. Jun 3, 2017 · I have the following code which I found here. py \this just links the matplotlib backend to the widget plotui. 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. QtWidgets import * from plot_pyqt import PlotCanvas class App(QMainWindow): def __init__(self): supe PyQt5 with Matplotlib and map example GUI application Resources. You can embed Matplotlib figures in PyQt6 applications. If you run the above application, then you'll get the following window on your screen: Basic PyQtGraph plot: Temperature vs time. Nov 2, 2024 · PyQt6, combined with Matplotlib, provides powerful tools to create interactive and visually appealing data visualizations within desktop applications. Matplotlib is more or less the de-facto standard plotting library for python. This is a common practice in PyQtGraph examples to keep things tidy and reduce typing. Aug 20, 2021 · There are a number of plotting libraries available in Python, with matplotlib being the most popular and offering some basic support for PyQt5. Mar 31, 2015 · what you might be looking for, can be found here: embedded matplotlib in PyQt. This program will work equally well using any Qt binding (PyQt6, PySide6, PyQt5, PySide2). Matplotlibとは、PythonやNumPyで使用するためのグラフ描画用ライブラリである。 Matplotlibは、豊富な種類のグラフを生成することができる。 In the past, Matplotlib used to have separate backends for each version of Qt (e. My idea would be for example to show different kinds of draw like for example the sin function and another function. 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. Stars. It's a blog of one of matplotlib's developers. These are regular Qt widgets. Embedding Matplotlib Figures in PyQt6. Matplotlib Widget 3D Example¶ A Python application that demonstrates how to combine matplotlib with Qt Widget-based functionality. The final result needs to be in a A collection of examples are provided with Qt for Python to help new users to understand different use cases of the module. qtmpl. backend_qt4agg import FigureCanvasQTAgg as FigureCanvas from matplotlib. Hi, I have window with buttons and some text and I need insert matplotlib below buttons. Download this example Sep 17, 2012 · Relevant Qt widgets are in matplotlib. Jan 20, 2022 · Matplotlib is a library in Python and it is numerical - mathematical extension for NumPy library. The code has two implementations. Additionally, we’ll integrate a qpushbutton for demonstration. use(‘Qt4Agg’) matplotlib. backend_qtagg import FigureCanvasQTAgg as FigureCanvas from matplotlib 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. Dec 24, 2022 · I have an application where the user can open / close many windows containing different plots. backend_qt4agg. 7 stars. Matplotlib supports event handling with a GUI neutral event model, so you can connect to Matplotlib events without knowledge of what user interface Matplotlib will ultimately be plugged in to. Since the question has already been asked and stayed unanswered for two years, essentially the only thing that would give your question a higher chance of not ending up as tumblewheed is to provide a minimal reproducible example of the problem. It may be used and # modified with no restriction; raw copies as well as modified versions # may be distributed without limitation. Forks. MIT license Activity. 4 forks. With comments after 'PLR'. In this article, we will explore how to create data visualizations using PyQt6 and Matplotlib. Mar 25, 2025 · Matplotlib is the most popular plotting library in Python, and comes with support for PyQt6 built in. pyplot as plt 我們建立了一個名為 PlotCanvas 的控制元件，其中包含 Matplotlib 圖。 You have multiple options available for adding interactive plots to your Python GUIs. backend_qt5agg import FigureCanvasQTAgg as FigureCanvas from matplotlib. use("Qt5Agg") from PyQt5 import QtCore from Nov 5, 2018 · I think you are confusing that you have created a widget called plotWidge in Qt Designer and you doing self. 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. e. Aug 4, 2022 · Integrate Matplotlib plots within your PyQt6 applications for dynamic data visualization. py: Oct 2, 2018 · Instead of adding the rectangle yourself you could use the RectangleSelector widget that is already included as part of matplotlib. The following minimal example sets up a Matplotlib canvas FigureCanvasQTAgg which creates the Figure and adds a single set of axes to it. FigureCanvasQTAgg and NavigationToolbar2QT are usually what you need. . Even though the example code uses PyQt6, every single line is identical to PyQt5 (besides the import), very little changed between the two versions from an API perspective. ui > plotui. pyplot as plt from random import random from PyQt6 import QtWidgets from matplotlib. QtCore import Qt from PyQt5. Naturally, this chapter is extremely Python code heavy, as we explain through examples. use('QT5Agg')' before the other matplotlib imports. backend_qt5agg import NavigationToolbar2QT as NavigationToolbar WidgetPlot 이라는 클래스가 정의 되고, 이 Widget은 PlotCanvas와 NavigationToolbar를 갖고 있습니다. Next. Matplotlib modlünün yapısı hakkında detaylı bilgiye buradan ulaşabilirsiniz. Next, we'll look at some of the common user interface elements you've probably seen in many other applications — toolbars and menus. Expenses Tool Tutorial. For example, you could try to plot more data from the CSV. Implements a Matplotlib figure inside a QWidget. The Qt Graphics View Framework allows you to develop fast and efficient 2D vector graphic scenes. The users just have to click on some button. Matplotlib targets many different use cases and output formats. pyplot as plt Also, I found that is better to have: from matplotlib. 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. When embedding Matplotlib in a GUI, you must use the Matplotlib API directly rather than the pylab/pyplot procedural interface, so take a look at the examples/api directory for some example code working with the API. Matplotlib 3 farklı katmandan oluşur ve en alt katmanda Backend, bir üst katmanda Artist ve en üst katmanda Scripting katmanı bulunmaktadır. The plot is interactive and allows for the drawing of shaded rectangles. pyplot. backend_qtagg import FigureCanvasQTAgg as FigureCanvas instead of: Jul 13, 2023 · Here is my current minumum working example: import matplotlib. matplotlib嵌入PyQt5欢迎使用Markdown编辑器新的改变功能快捷键合理的创建标题，有助于目录的生成如何改变文本的样式插入链接与图片如何插入一段漂亮的代码片生成一个适合你的列表创建一个表格设定内容居中、居左、居右SmartyPants创建一个自定义列表如何创建一个注脚注释也是必不可少的KaTeX数学 The example supports the PlutoSDR, USRP, or simulation-only mode. ui \ This file is the qt designer file used to describe the gui Apr 4, 2025 · Both versions are almost completely compatible aside from imports, and lack of support for some advanced modules in Qt6. I want to embed Matplotlib plot in my PyQt app using QWidget. QtGui import * from matplotlib. from __future__ import unicode_literals import sys, os, random from qt import * from numpy import arange, sin, pi from matplotlib. backend_qt4agg import NavigationToolbar2QTAgg as NavigationToolbar. 1 watching. from PyQt4. matplotlib. 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. backends is imported for the first time. In addition, there are PyQt6-specific plotting options available such as PyQtGraph which provide a better interactive experience. In this example I draw two triangles and I can modify their shape by moving one of their vertices. backend_qt5agg import FigureCanvas or like this: from matplotlib. 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. widgets. QtWidgets import QDialog from PyQt5 from matplotlib. QtCore import QSize, Qt from PyQt6. from matplotlib. backend_qt4agg import FigureCanvasQTAgg as FigureCanvas import sys import numpy as np class MyMplCanvas(FigureCanvas): def __init__(self PyQt5, PyQt6, PySide2, or PySide6; matplotlib: Export of PlotItem in matplotlib figure run python -m pyqtgraph. ) over the plot. figure import Figure from matplotlib. Report Nov 10, 2018 · 6 nolu satırda Matplotlib modülünden FigureCanvas kodumuza eklenir. But beware I am not a specialist of Matplotlib! It is just that I think the Figure, and its axis, have to be reinitialized for each new plot, so I save the only thing stable which is the Canvas, and work from top to bottom rather than in the original proposal which (apparently) go back from the grand child (axis?) to its parent (the Sep 20, 2021 · There are a number of plotting libraries available in Python, with matplotlib being the most popular and offering some basic support for PySide. use('Qt5Agg') immediately after: import matplotlib. QtCore import * from PyQt4. Here is a simple example of embedding a Matplotlib plot in a PyQt application:. Code Example: Interactive Plotting with Matplotlib 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. plotWidget = FigureCanvas(fig) are replacing it (even if the names coincide that action is not the one done), so that it does not cause confusion change plotWidge to content_plot in Qt Designer so the plotWidget must be placed in content_plot with the help of a layout. The primary component here is a widget named ‘PlotCanvas’ which houses the Matplotlib visualization. This tutorial guides you through embedding interactive Matplotlib charts, enhancing your GUI projects with powerful graphing capabilities including real-time plotting. Using matplotlib to render into a pixel buffer. backend Nov 5, 2019 · import sys from PyQt5. If Dec 15, 2016 · Here is a solution for the second option mentionned, i. At this point I wanted to integrate the solution with PyQt5, since I am writing an interactive software. Integration of Matplotlib with PyQt5 The example provided below illustrates the embedding process of a Matplotlib plot within a PyQt5 window. use() must be called before pylab, matplotlib. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface. You can find all these examples inside the pyside-setup repository on the examples directory. Use getFigure() and redraw() to interact with matplotlib. This is the code of the widget script. I reduced the code a bit to make it more suitable to my question. This canvas object is also a QWidget and so can be embedded straight into an application as any other Qt widget. I'm a real newbie with mpl and I would like to know how to change figure after a PyQt-Event. Here is a minimum working example of the matplotlib widget I have. This track consists of 26 tutorials Mar 29, 2025 · Menus are a key part of most user interfaces, arranging commonly used features into navigable hierarchies. backend_qt4agg and qt5agg/ matplotlib. Simple Qt application embedding Matplotlib canvases. qt4′]=’PySide’ from matplotlib. backends. Here is an example, you will need to polish it and adapt it to your needs but I hope it will get you going: Whether you’re building a scientific tool, a data analysis application, or a dashboard, embedding Matplotlib in PyQt allows you to present your data in a visually appealing and user-friendly way. Example 1: Basic PyQt Application with Matplotlib. qt4agg/ matplotlib. import sys import matplotlib matplotlib. I'm currently working on a project where I want to embed a matplotlib plot into a pyqt5 GUI. Jan 22, 2020 · A Simple Example. from PyQt5. PyQtGraph is an popular alternative which uses Qt's native QGraphicsScene to provide fast zooming, scaling, drag-drop behaviour that feels a natural part of your application. examples to launch the examples application Feb 1, 2021 · from matplotlib. I would like to include the standard toolbar (zoom, home, etc. QtWidgets import QApplication, QMainWindow, QPushButton, QVBoxLayout, QCheckBox, QWid Jan 15, 2009 · You’ll have to excuse some of the comments in the code (it’s in a constant state of revision), but this is a basic PyQt4/matplotlib widget that I use quite often and can be embedded using QtDesigner as well. This is a very simple application done with python and qt, where there is an embedded matplotlib plot. This scheme was dropped when support for Qt6 was added. figure import Figure from PyQt5. 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. Jan 22, 2020 · The following examples assume you have Matplotlib installed. Sep 11, 2019 · from matplotlib. Readme License. In this tutorial we'll look at these alternatives and build some simple plot interfaces. create a single worker and a thread and use those throughout the program's runtime. A lot of documentation on the website and in the mailing lists refers to the "backend" and many new users are confused by this term. wix fgkju dhivh sxrly suqnse jovb eiyjh mhnze dcafkbo sctwfv voevsg ogpfa xovjjm oeedh tvbzm