Qcustomplot 1.0.1 learning (1) - Download and use qcustomplot

1、QCustomPlot Introduce

QCustomPlot is a Qt C++ widget for plotting and data visualization. It has no further dependencies and is well documented. 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. Have a look at the Setting Up and the Basic Plotting tutorials to get started.

QCustomPlot can export to various formats such as vectorized PDF files and rasterized images like PNG, JPG and BMP. QCustomPlot is the solution for displaying of realtime data inside the application as well as producing high quality plots for other media.

2、QCustomPlot The download

QCustomPlot The website links ：https://www.qcustomplot.com/index.php/introduction

Download link ：https://www.qcustomplot.com/index.php/download

Here I am. 1.0.1 Version to learn , So click the red box in the above figure , You can download the full installation package , Including source code , file , Help files, etc .

 3、QCustomPlot Use

3.1、 Create a new one Qt Interface program

  Create good after , The project structure is as follows ：

3.2、 take QCustomPlot Add the source file to the project  

The compressed file will be downloaded QCustomPlot.tar.gz Copy to the project directory , Then decompress .

I unzip it here to QCustomPlot Under the folder , This way the files won't be messy .

 

QCustomPlot The folder contains the following files ：

 

  among ：

• qcustomplot.h and qcustomplot.cpp It's a source file
• documentation It's the document directory
• examples It's the case catalogue

take qcustomplot.h and qcustomplot.cpp Add to the project , The added project structure is as follows ：

 3.2.1、 Control lifting method

double-click mainwindow.ui Interface file , stay UI Designer in , You can drag a Widget Control to ui On the designer , Right click on this form , Select promote to ：

In the promoted widget window , Enter the following information ：

then , Click add in turn 、 Lift button .

After lifting , The list of form objects is as follows ：

  There will be centralWidget Use horizontal layout ,widget Renamed as customPlot. The list of modified form objects is as follows ：

function ：

 

 

 

3.2.2、 Direct use method

  Direct use refers to the use of QCustomPlot Where the papers are , Include header files directly , Then the program shows the creation QCustomPlot Control .

Code ：

    QCustomPlot *customPlot=new QCustomPlot;

    QHBoxLayout *mainLayout=new QHBoxLayout;
    mainLayout->addWidget(customPlot);

    ui->centralWidget->setLayout(mainLayout);

    setWindowTitle(" Direct use method ");

function ：