Initial Commit

plots/main.cpp

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+/***************************************************************************
+**                                                                        **
+**  QCustomPlot, an easy to use, modern plotting widget for Qt            **
+**  Copyright (C) 2011-2016 Emanuel Eichhammer                            **
+**                                                                        **
+**  This program is free software: you can redistribute it and/or modify  **
+**  it under the terms of the GNU General Public License as published by  **
+**  the Free Software Foundation, either version 3 of the License, or     **
+**  (at your option) any later version.                                   **
+**                                                                        **
+**  This program is distributed in the hope that it will be useful,       **
+**  but WITHOUT ANY WARRANTY; without even the implied warranty of        **
+**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         **
+**  GNU General Public License for more details.                          **
+**                                                                        **
+**  You should have received a copy of the GNU General Public License     **
+**  along with this program.  If not, see http://www.gnu.org/licenses/.   **
+**                                                                        **
+****************************************************************************
+**           Author: Emanuel Eichhammer                                   **
+**  Website/Contact: http://www.qcustomplot.com/                          **
+**             Date: 13.09.16                                             **
+**          Version: 2.0.0-beta                                           **
+****************************************************************************/
+
+#include <QApplication>
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+  QApplication::setGraphicsSystem("raster");
+#endif
+  QApplication a(argc, argv);
+  MainWindow w;
+  w.show();
+  
+  return a.exec();
+}

plots/mainwindow.cpp

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+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <QDebug>
+#include <QDesktopWidget>
+#include <QScreen>
+#include <QMessageBox>
+#include <QMetaEnum>
+
+#include <fstream>
+#include <iostream>
+
+using namespace std;
+#define NPTS 3456
+
+MainWindow::MainWindow(QWidget *parent) :
+  QMainWindow(parent),
+  ui(new Ui::MainWindow)
+{
+  ui->setupUi(this);
+  setGeometry(400, 250, 542, 390);
+  
+  setupPlot();
+}
+
+MainWindow::~MainWindow()
+{
+  delete ui;
+}
+
+void MainWindow::setupPlot()
+{
+  plotspec(ui->customPlot);
+  setWindowTitle("Reference Spectrum");
+  statusBar()->clearMessage();
+  ui->customPlot->replot();
+}
+
+void MainWindow::plotspec(QCustomPlot *customPlot)
+{
+  QVector<double> x(NPTS), y1(NPTS), y2(NPTS), y3(NPTS), y4(NPTS);
+  ifstream inFile;
+  double ymin=1.0e30;
+  double ymax=-ymin;
+  inFile.open("c:/users/joe/appdata/local/WSJT-X/refspec.dat");
+
+  for (int i = 0; i < NPTS; i++) {
+    inFile >> x[i] >> y1[i] >> y2[i] >> y3[3] >> y4[4];
+    if(y2[i]>ymax) ymax=y2[i];
+    if(y2[i]<ymin) ymin=y2[i];
+  }
+
+  customPlot->addGraph();
+  customPlot->graph(0)->setData(x, y2);
+  customPlot->xAxis->setLabel("Frequency (Hz)");
+  customPlot->yAxis->setLabel("Relative power (dB)");
+  customPlot->xAxis->setRange(0, 6000);
+  customPlot->yAxis->setRange(ymin, ymax);
+}

plots/mainwindow.h

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+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QTimer>
+#include "qcustomplot.h"
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+  Q_OBJECT
+  
+public:
+  explicit MainWindow(QWidget *parent = 0);
+  ~MainWindow();
+  
+  void setupPlot();
+  void plotspec(QCustomPlot *customPlot);
+
+private:
+  Ui::MainWindow *ui;
+};
+
+#endif // MAINWINDOW_H

plots/mainwindow.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>548</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>QCustomPlot plot examples</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QCustomPlot" name="customPlot" native="true"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <customwidgets>
+  <customwidget>
+   <class>QCustomPlot</class>
+   <extends>QWidget</extends>
+   <header>qcustomplot.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

plots/refspec.pro

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+#
+#  QCustomPlot Plot Examples
+#
+
+QT       += core gui
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = refspec
+TEMPLATE = app
+
+SOURCES += main.cpp mainwindow.cpp qcustomplot.cpp
+
+HEADERS  += mainwindow.h qcustomplot.h
+
+FORMS    += mainwindow.ui
+