LineProfileTool.cpp File Reference

#include "LineProfileTool.h"
#include "ImageMarker.h"
#include "ArrowMarker.h"
#include "Graph.h"
#include <QPoint>
#include <QImage>
#include <QMessageBox>
#include <QPainter>
#include <qwt_plot_canvas.h>

Macros
#define	sgn(x)   ((x<0)?-1:((x>0)?1:0))

---

Macro Definition Documentation

#define sgn

(

x

)

((x<0)?-1:((x>0)?1:0))

Referenced by LineProfileTool::calculateLineProfile().