# Qcustomplot Class

pdf but I havent seen. Corey Schafer 1,329,842 views. More class QCPMarginGroup A margin group allows synchronization of margin sides if working with multiple layout elements. More class QCPLayout The abstract base class for layouts. 'This' is a pointer to the object calling the method so that it can be set to the other Fraction object. This function is used to decide whether a click hits a layerable object or not. pos is a point in pixel coordinates on the QCustomPlot surface. Member Function Documentation. QCustomPlot Class Reference. I have a series of plots built using QCustomplot. As @EligijusPupeikis reminded me, I am deleting and re-creating the cursor every time I move it. I've been looking into the tutorial for qcustomplot but all revolves around drawing a UI wi. class QCustomPlot. Make Graphs on Qt and Plot Your Arduino Measurements: As promised I come in my second instructable to explain you how to program graphs on Qt. QCustomPlot is a Qt C++ widget for plotting and data visualization. qcustomplot_essue this is a library witch can give us the tools to plot many differents graph ( like curves, barchart ) i used it in QT creator with Qt c++. Problem in QCustomPlot class. Windows 以外だと ICU ではなく旧式である libiconv を CEGUI_STRING_CLASS 関係なく強制的に使用する 個人的には ICU にしてほしい感がある 10. cpp和qcustomplot. I had to change the engine for a QQuickView in the main. It is based on the two classes QCPLayer and QCPLayerable. OK, I Understand. 关于QCustomPlot的系列讲解，我可能会分为7篇文章来分别介绍，分别是QCustomplot使用分享(二) 源码解读、QCustomplot使用分享(三) 图 折线、参数曲线、蜡烛图、柱状图、面积图、QCustomplot使用分享(四) QCPAbstractItem、QCustomplot使用分享(五) 布局、QCustomplot使用分享(六. to the scatters/lines of a graph). h - header QCustomPlot library file; qcustomplot. gudev-sharp-1. Ofrezco mis servicios como desarrollador de software. 前置条件：建立 Qt5 Projects -> Qt Application工程，工程名假设为QPlot；. They all derive from QCPAbstractPlottable. margin caluclation take the viewport to be the outer border of the plot. Qt mouse position relative to widget. Visit — www. Usually, you don't create the axes yourself, but you use the ones already inside every QCustomPlot instance (xAxis, yAxis, xAxis2, yAxis2). Definition at line 536 of file qcustomplot. pdf but I havent seen. h到建立的工程中 如下图所示： 2、在ui界面添加QWidget控件提升为QCustomPlot类 3、修改mainwindow. Using Qt's "Signal-Slot" mechanism (click here to know more), these graphs can also be plotted in a real-time scenario. We have subclass. QPaintDevice represents a device that can be painted on using a QPainter. Plottables are classes that display any kind of data in QCustomPlot. To free the tracer from any graph, set graph to 0. This function is used to decide whether a click hits a layerable object or not. This topic has been deleted. Есть ли способ, чтобы QCustomPlot можно использовать для динамического отображения?. Hello everyone, I've imported Choreonoid into QTcreator for developing my plugin. I'm creating a processing tool with a GUI and want to create data plots not just for final product visualization in my GUI but for general visualization reasons while i'm writing and debugging code. qcustomplot. This plotting library focuses on making good looking, publication quality 2D plots, graphs and charts, as well as offering high performance for realtime visualization. The old website workslikeclockwork. com uses a Commercial suffix and it's server(s) are located in N/A with the IP number 212. Usually, you don't create the axes yourself, but you use the ones already inside every QCustomPlot instance (xAxis, yAxis, xAxis2, yAxis2). class from which almost all visible objects derive, like axes, grids, graphs, items, etc. GitHub Gist: instantly share code, notes, and snippets. ui文件，添加一个widgets，然后右键点击"提升为"，提升的类名称：QCustomPlot，头文件：qcustomplot. Dials, Compasses, Knobs, Wheels, Sliders, Thermos. This example shows how to create an object from a MATLAB handle class and call its methods in Python. Defines at which side of the axis rect the axis will appear. DEEP LEARNING TUTORIALS Deep Learning is a new area of Machine Learning research, which has been introduced with the objective of moving Machine Learning closer to one of its original goals: Artiﬁcial Intelligence. As @EligijusPupeikis reminded me, I am deleting and re-creating the cursor every time I move it. A QCPLayer itself contains an ordered list of QCPLayerable instances. Defines how the graph's line is represented visually in the plot. QCustomPlot is a Qt project. ScalarMappable (norm=None, cmap=None) [source] ¶. Device Contexts. rpQueued Queues the refresh such that it is performed at a slightly delayed point in time after the replot, by calling QWidget::update() after the replot. QCustomplot学习使用分享 QCustomplot网上和例子都是在资源和头文件中加入qcustomplot. These videos are a bit outdated - I am in the process of replacing these with courses on Udemy. h file for the ICSRulerWidget Class. if \a additive is true, the selection state must be toggled (i. 8 kB friend class QCustomPlot;. ###QtCreator User Right click on the root entry of your project in the left sidebar and choose Add Existing Files. h Maximize Restore History. The QCustomPlot surface is immediately refreshed, by calling QWidget::repaint() after the replot. cpp和qcustomplot. 原文地址：QCustomPlot和Qwt的融合, 感谢原作者分享。 → centos安装youcompleteme及简单使用 ← dimradius by AutoLisp in AutoCAD 发表评论. Made by developers for developers. Classes and Instances - Duration: 15:24. A QCPLayer itself contains an ordered list of QCPLayerable instances. txt for the plugin is as follows:. This function returns the shortest pixel distance of this point to the plottable (e. QPainter is the class used to perform drawing operations. Usefull little realtime plot class for my simulations. 日常记录学习QCustomPlot的配置和编码过程。1. cpp都添加到工程中来。. The Biomedical Image Analysis Library is a poweful tool for developers, physicians, researchers, engineers, and so on. Since QCPAbstractPlottable is an abstract class that defines the basic interface to plottables (i. 1 introduces a new method in the QWidget class called createWindowContainer(). QCustomPlot holds an ordered list of one or more instances of QCPLayer (see QCustomPlot::addLayer, QCustomPlot::layer, QCustomPlot::moveLayer, etc. Below is the source code of PID calculation. When replotting, QCustomPlot goes through the list of layers bottom to top and successively draws the layerables of the layers into the paint buffer(s). Usually QCustomPlot creates graphs internally via QCustomPlot::addGraph and the resulting instance is accessed via QCustomPlot::graph. 日常记录学习QCustomPlot的配置和编码过程。1. The central class of the library. 16/src/external/qcustomplot/qcustomplot. These videos are a bit outdated - I am in the process of replacing these with courses on Udemy. It just contains a header named "qcustomplot. h和源文件qcustomplot. QCustomPlot 是一个基于Qt的画图和数据可视化C++控件。QCustomPlot 致力于提供美观的界面，高质量的2D画图、图画和图表，同时为实时数据可视化应用提供良好的解决方案。 qcustomplot的图例显示-qt超强精美绘图控件 - QCustomPlot一览 及 安装使用教程. Check "Global include" and then "Add" and "Promote". It is convertible to int&, but also to a lot of other reference types. Only users with topic management privileges can see it. How to plot large time series with QCustomPlot efficiently? c++,qt,map,qcustomplot. Use the qcustomplot. I like its object oriented classes, which makes it very easy to adapt the plots and functionality. What marketing strategies does Qcustomplot use? Get traffic statistics, SEO keyword opportunities, audience insights, and competitive analytics for Qcustomplot. QCustomPlot has a more general interface for classes that draw data inside the plot, I call them Plottables. Я создал несколько сюжетов. 0 and switch that to Qt 5. lib库有问题，对于Debug模式下一定添加Debug的库，Release模式下一定要添加release模式下编译出的库，否则就会出现这种问题。. class CustomObjectWrapper: public QObject {Q_OBJECT public Q_SLOTS: // add a constructor QCustomPlot * new_QCustomPlot {return new QCustomPlot ();} //wrapper functions void delete_QCustomPlot (QCustomPlot * o) //delete QCustomPlot object {delete o;} void addGraph (QCustomPlot * o) //add a graph inside the QCustomPlot object {o-> addGraph. Design your own ST-LINK/V2 Debugger; Ark Pocket Drone; Automated Coin Sorting Machine based on Arduino Uno Kit (UCSB ECE5 Project Design Final First Place). Visit — www. Hago software a la necesidad del cliente. Plot dates on the X axis. The Biomedical Image Analysis Library is a poweful tool for developers, physicians, researchers, engineers, and so on. cpp都添加到工程中来。. h: ` class CustomObjectWrapper 4 years ago Posted a comment on discussion Help on PythonQt. Windows上新建一个TXT，然后改成只有后缀的文件会提示必须输入文件名，解决方法如下： 方法一 改名时在后面再加一个点，如. QCustomPlot类的命名规则是 QCP加xxx。 类的组织有很强的区分性，就像Qt中分了模块一样. cpp和qcustomplot. But implementing something like this is not that easy - Qt catches enter keys before you even get the event. ui中添加Widget，然后提升为QCustomplot，然后重新命名，在mainwindow中调用，很少有使用纯代码添加的。纯代码的好处肯定不用我讲吧。. More Inherits QWidget. 官网：https://www. But is there any method to create a new kind if widget un qml and insert It like I can maje with a button ?. QCustomPlot Class Reference. Visit — www. The pen style defines the line type. Listings of the library file, they are very large and we did not climb in them, just add the files to the project and connect the header file in the MainWindow class. To answer my own question: Add this to QCustomPlot. This topic has been deleted. You need: the dll sub-project to export the dll class the main project to import the dll class (with the dll header present) the main project to contain the dll sub-project as a dependency Depending on the answers to these, someone may be able to help further. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero. I didn't think this would have any effect to my issue, but apparently it is, because reploting a layer which has new items in it requires that the plot has be reploted first (source: will check the qcustomplot doc and add link). use a QWT layout with QCustomPlot I am a little lost as to how to use a layout manager with QCP. Line 3 includes the definition of QDialog, the base class for dialogs in Qt. Package Index: M-R. CMetaFileDC objects encapsulate drawing into a Windows metafile. Usually QCustomPlot creates graphs internally via QCustomPlot::addGraph and the resulting instance is accessed via QCustomPlot::graph. The data dimension however is encoded as the color of the point at ( key , value ). Constantly I hear about QCustomPlot on working with graphs to Qt, but on the start of the made in one my application I worked without special libraries, and now in a same momen. Defines how the graph's line is represented visually in the plot. The folder realtimeplot contains the primitives, and the folder QCustomPlot is the 3rd party library of same name. QCustomPlot就是一个绘图板的类，它继承于Widget，界面中的Widget类提升为QCustomPlot才能够绘图。 QCustomPlot中的每一个曲线是一个Graph对象，凡是跟显示数据有关的我们就对Graph进行操作或调用Graph对象提供的方法。. 图层更多使用情况可参考QCustomPlot Class。 添加数据： 可用graph1->addData()函数，具体函数参数为. Listings of the library file, they are very large and we did not climb in them, just add the files to the project and connect the header file in the MainWindow class. 6629 lines (5545 with data), 263. any form of data representation inside a plot, like graphs, curves etc. The central class of the library. QCustomPlot::setMultiSelectModifier). line graph, bar graph) with flexible parameters. The regression is done using CERN’s MINUIT routine and plotting is perfomed with the QCustomPlot library. I've been looking into the tutorial for qcustomplot but all revolves around drawing a UI wi. Dials, Compasses, Knobs, Wheels, Sliders, Thermos. void addData (const QCPDataMap &dataMap) void addData (const QCPData &data) void addData (double key, double value) void addData (const QVector< double > &keys, const QVector< double > &values). Saving picture in file from QCustomPlot. This function returns the shortest pixel distance of this point to the plottable (e. This plotting library focuses on making good looking, publication quality 2D plots, graphs and charts, as well as offering high performance for realtime visualization applications. h，objectName：customPlot； 3. C/C++高级工程师 Android高级软件工程师 IT集成工程师 音频工程师 熟悉c,c++,java,c#,py,js,asp等多种语言 程序猿. We use cookies for various purposes including analytics. I have a series of plots built using QCustomplot. last edited by. The line is drawn with the current pen of the graph (). Since the return type of that function is the abstract base class of all plottables, QCPAbstractPlottable, you will probably want to qobject_cast the returned pointer to the respective plottable subclass. I tried using both QUiLoader & QFormBuilder to achieve it but they came up with the similar errors:. 0 and switch that to Qt 5. I've written a PID tuning program with Qt and a third party class called QCustomPlot. By default, QCustomPlot has three layers: "grid", "main" and "axes" (in that order). Design your own ST-LINK/V2 Debugger; Ark Pocket Drone; Automated Coin Sorting Machine based on Arduino Uno Kit (UCSB ECE5 Project Design Final First Place). I've researched c++ data visualization tools to use with Qt Creator and from what i've found one option stands out to me QCustomPlot link text. QCustomPlot::setMultiSelectModifier). cpp #include "mainwindow. The collection of libraries and resources is based on the Awesome C++ List and direct contributions here. cpp - QCustomPlot source file. This allows combining both QML and widgets in the same application, something that was not possible with Qt 5. h，objectName：customPlot； 3. The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. You need: the dll sub-project to export the dll class the main project to import the dll class (with the dll header present) the main project to contain the dll sub-project as a dependency Depending on the answers to these, someone may be able to help further. It has no further dependencies and is well documented. Пример построения графика по времени с помощью библиотеки QCustomPlot. Но у меня остались вопросы: 1: Как я могу установить диапазон у-оси от 0% до 100%? 2: Мои тиковые метки центрированы ниже тиков. QCustomPlot Huge Amount of Data Plotting I am trying to plot some serial data on my Qt Gui program using qcustomplot class. h" #include #include #include Mai Qt基础编程 绘制坐标轴. So, the question I am having is, is it worth implementing QCustomPlot 2. The pen style defines the line type. Definition at line 536 of file qcustomplot. How does it work. Your go-to C++ Toolbox. QCustomPlot Huge Amount of Data Plotting I am trying to plot some serial data on my Qt Gui program using qcustomplot class. 创建一个QMainWindow应用，注意添加Print Support模块；; 将qcustomplot. 217 and it is a. This function returns the shortest pixel distance of this point to the object. The monitor is a toy demo, but it's based on a few powerful tools I use for real applications. QCustomPlot类的命名规则是 QCP加xxx。 类的组织有很强的区分性，就像Qt中分了模块一样. 前边已经写了5篇对QCustomPlot的讲解，看过上述的几篇文章后，基本就能做一些简单的使用了，但是如果想要做到高度的控制图表，那么坐标轴将是很重要的一部分，因为坐标轴就是图表的一个参考系，没有了参考系那么一切都是天方夜谭。. h和qcustomplot. This topic has been deleted. ,lsImpulse ///< each data point is represented by a line parallel to the value axis, which reaches from the data point to the zero-value-line. QCustomplot网上和例子都是在资源和头文件中加入qcustomplot. GitHub Gist: instantly share code, notes, and snippets. QCustomPlot Class Reference The central class of the library. You can start by migrating the AVT widget from KPlotting to QCustomPlot or Qt Charts. J'ai intégrer les deux fichiers. OK, I Understand. Problem in QCustomPlot class. QCustomPlot Class Reference. And then set the date and time format. QCustomPlot has a more general interface for classes that draw data inside the plot, I call them Plottables. com — to get the current release. if \a additive is true, the selection state must be toggled (i. 4 (Released at 07/14/2019) - Vietnamese language has been added to the program Version 2. Finally, QPoint objects can be streamed as well as compared. h和qcustomplot. use a QWT layout with QCustomPlot I am a little lost as to how to use a layout manager with QCP. 将解压得到的 QCustompPlot 文件夹里面的头文件qcustomplot. comextrasqt43-class-chart. When replotting, QCustomPlot goes through the list of layers bottom to top and successively draws the layerables of the layers into the paint buffer(s). Simplified diagram of most important classes, view the \ref classoverview "Class Overview" to see a full overview. QCustomPlot Class Reference The central class of the library, the QWidget which displays the plot and interacts with the user. but I have used QCustomPlot which is. Ask Question Asked 3 years, 6 months ago. Contacto: carlosduarte. class QCustomPlot. See Also setLineStyle. How to plot large time series with QCustomPlot efficiently? c++,qt,map,qcustomplot. This also affects how the tick marks are drawn, on which side the labels are placed etc. Together with the QPaintDevice and QPaintEngine classes, QPainter form the basis for Qt's paint system. QCustomPlot就是一个绘图板的类，它继承于Widget，界面中的Widget类提升为QCustomPlot才能够绘图。 QCustomPlot中的每一个曲线是一个Graph对象，凡是跟显示数据有关的我们就对Graph进行操作或调用Graph对象提供的方法。. The most basic C++ object most everything is derived from is the "QObject" class, then from there the QWidget class is the base class of all user interface objects that you'll see a lot of it. class matplotlib. I like its object oriented classes, which makes it very easy to adapt the plots and functionality. com reaches roughly 1,774 users per day and delivers about 53,235 users each month. ADONIS Documentation Changelog. h和qcustomplot. A device context is a Windows data structure containing information about the drawing attributes of a device such as a display or a printer. its commercial. 编译动态链接库的方法：. This function returns the shortest pixel distance of this point to the plottable (e. The QCustomPlot surface is immediately refreshed, by calling QWidget::repaint() after the replot. 0 with all necessary changes, sending them upstream and supporting them in the meantime, or much rather wait for the upgrade 'til WS 3. After some overshoots, the actual angle gets very closed to the desired angle. QCPLayerable is an abstract base class from which almost all visible objects derive, like axes, grids, graphs, items, etc. The second video shows how the robot overcomes disturbance. 编译动态链接库的方法：. comextrasqt43-class-chart. DEEP LEARNING TUTORIALS Deep Learning is a new area of Machine Learning research, which has been introduced with the objective of moving Machine Learning closer to one of its original goals: Artiﬁcial Intelligence. QCustomPlot is a Qt project. PyQwt is a set of Python bindings for the Qwt C++ class library which extends the Qt framework with widgets for scientific and engineering applications. qcustomplot. See these course notes for abrief introduction to Machine Learning for AIand anintroduction to Deep Learning algorithms. but I have used QCustomPlot which is. Toosi University of Technology. The brush is used to fill strokes generated with the pen. I didn't think this would have any effect to my issue, but apparently it is, because reploting a layer which has new items in it requires that the plot has be reploted first (source: will check the qcustomplot doc and add link). GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. The most basic C++ object most everything is derived from is the "QObject" class, then from there the QWidget class is the base class of all user interface objects that you'll see a lot of it. - bug in handling the table ID in material creation is fixed. 向项目中添加QCustomPlot. Issue when use two type-cast operators in template class. last edited by. void mousePressEvent(QMouseEvent* e); // 先定义一个接收信号的事件，例子中名字与原有的鼠标事件名字相同，可起不同的名. The second video shows how the robot overcomes disturbance. h - header QCustomPlot library file; qcustomplot. cpp和qcustomplot. This function is used by plottables (or any class that wants to draw scatters) just before a number of scatters with this style shall be drawn with the painter. Download this file. More class QCPLayoutElement The abstract base class for all objects that form the layout system. J'ai intégrer les deux fichiers. All drawing calls are made through a device-context object, which encapsulates the Windows APIs for drawing lines, shapes, and text. a rect with top left (0, 0) and size of the QCustomPlot widget. The QPen class defines how a QPainter should draw lines and outlines of shapes. Formatting Rules for QCustomPlot used are the same as for QDateTime , QDate , QTime , classes. Now I (which is a class. You need to tell your IDE both the location of the library files, and exactly which library files to link. Static Public Member Functions: static QCPFinancialDataMap : timeSeriesToOhlc (const QVector< double > &time, const QVector< double > &value, double timeBinSize, double timeBinOffset=0). The domain qcustomplot. In addition a color can be specified using a color name. The pen style defines the line type. What I want to do is to create a context menu when right-clicking on the background of each plot listing all the signal present in the graph. MATLAB stores all numeric values as double-precision floating point numbers by default. ###QtCreator User Right click on the root entry of your project in the left sidebar and choose Add Existing Files. This function returns the shortest pixel distance of this point to the object. That is, it is possible to display on the axes or the date or time, or simultaneously do both, depending on what you specify formatting. QPaintEngine provides the interface that the painter uses to draw onto different types of devices. QCustomPlot Class Reference The central class of the library. 0 and switch that to Qt 5. This plotting library focuses on making good looking, publication quality 2D plots, graphs and charts, as well as offering high performance for realtime visualization. Static Public Member Functions: static QCPFinancialDataMap : timeSeriesToOhlc (const QVector< double > &time, const QVector< double > &value, double timeBinSize, double timeBinOffset=0). Returns the viewport rect of this QCustomPlot instance. QCustomPlot is a Qt project. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. h和源文件qcustomplot. Design your own ST-LINK/V2 Debugger; Ark Pocket Drone; Automated Coin Sorting Machine based on Arduino Uno Kit (UCSB ECE5 Project Design Final First Place). 日常记录学习QCustomPlot的配置和编码过程。1. Formatting Rules for QCustomPlot used are the same as for QDateTime , QDate , QTime , classes. A QCPLayer itself contains an ordered list of QCPLayerable instances. I understand how to add rows and columns in QCP but I need to add a QListView to list come text to the right of my QCP graph. C++ 初心者の私がハマった罠なので、恐らく普段から C++ を書きまくってるベテラン C++er にとっては罠でもなんでもないかもしれないですが、些細なことでもいいので記録として残すことにしました。. I tried using both QUiLoader & QFormBuilder to achieve it but they came up with the similar errors:. Our goal is to help you find the software and libraries you need. Qt Mac QCustomPlot SheevaPlug+ python docker ubuntu PyQt poppler Beagleboard SublimeText Xcode git matplotlib ruby rvm vtk 「シンプル」テーマ. ) However, even when selectable is set to a value not allowing the selection of a specific part, it is still possible to set the selection of this part manually, by calling setSelected. This interface is built around the abstract base class QCPAbstractPlottable. 下面了解图表的各组成部分。 观察下面这个图表：. 217 and it is a. Sets the QCPGraph this tracer sticks to. That is, it is possible to display on the axes or the date or time, or simultaneously do both, depending on what you specify formatting. Sets whether the user can (de-)select the parts in selectable by clicking on the QCustomPlot surface. QCustomPlot Huge Amount of Data Plotting I am trying to plot some serial data on my Qt Gui program using qcustomplot class. A forward declaration tells the C++ compiler that a class exists, without giving all the detail that a class definition (usually located in a header file of its own) provides. All SIGL code can run in Ch without modification. overloads base class interface protected property members QCPDataMap mData QPen from XXXXXXXXX X at K. cpp都添加到工程中来。. rpQueued Queues the refresh such that it is performed at a slightly delayed point in time after the replot, by calling QWidget::update() after the replot. These days QCustomPlot is becoming more an more popular and competes with Qwt. QPaintDevice represents a device that can be painted on using a QPainter. Simplified diagram of most important classes, view the \ref classoverview "Class Overview" to see a full overview. In contrast to the CPaintDC passed to OnDraw,. Join GitHub today. GitLab Community Edition. I am trying to plot some serial data on my Qt Gui program using qcustomplot class. It is based on the two classes QCPLayer and QCPLayerable. I had to change the engine for a QQuickView in the main. QCustomPlot is a Qt C++ widget for plotting. cpp文件，然后通过qtcreator打开qplot. 第一步、QcustomPlot是QT提供的一个第三方库，在使用前需要在QcustomPlot官网上进行下载。 第二步、把解压完的QcustomPlot压缩包中的qcustomplot. h" #include #include #include Mai Qt基础编程 绘制坐标轴. h" #include "ui_mainwindow. 关于QCustomPlot的系列讲解，我可能会分为7篇文章来分别介绍，分别是QCustomplot使用分享(二) 源码解读、QCustomplot使用分享(三) 图 折线、参数曲线、蜡烛图、柱状图、面积图、QCustomplot使用分享(四) QCPAbstractItem、QCustomplot使用分享(五) 布局、QCustomplot使用分享(六. qcustomplot_essue this is a library witch can give us the tools to plot many differents graph ( like curves, barchart ) i used it in QT creator with Qt c++. QCustomPlot has setData function that accepts const variable. Qt Creator's project messed up. ）特意对QCustomPlot进行了大刀阔斧的改造，当然这个改造不是直接在源码上修改，这个就破坏了源码的完整性，说不定被QCustomPlot的作者知道了有种被QJ的感觉，我得改造是直接继承QCustomPlot中的部分类开始的，比如为了实现横向柱状图，特意继承自QCPItemRect类来. Ofrezco mis servicios como desarrollador de software. But is there any method to create a new kind if widget un qml and insert It like I can maje with a button ?. That is, it is possible to display on the axes or the date or time, or simultaneously do both, depending on what you specify formatting. pos is a point in pixel coordinates on the QCustomPlot surface.