main.cpp

#include "mainwindow.h"
#include "spectrumwindow.h"
#include <QApplication>
#include <QFileDialog>
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
	QString fileName = QFileDialog::getOpenFileName(0, "Open ENVI File");
	w.loadImage(fileName);
    w.show();
    return a.exec();
}