簡単なサインカーブ[0-360] :Qwt

	#include "mainwindow.h"
	#include "ui_mainwindow.h"
	#include <qwt_plot_curve.h>
	MainWindow::MainWindow(QWidget *parent) :
	QwtPlot(parent)
	{
	setTitle( "Sin Curve" );//グラフのタイトル
	QwtPlotCurve *curve = new QwtPlotCurve();
	curve->attach(this);
	const int kArraySize = 37;
	double plotX[kArraySize] = {}; // x
	double plotY[kArraySize] = {}; // y
	int i= 0;
	for(int k = 0; k <= 360; k+=10 ){
	double x = k;
	double y = sin(k*M_PI/180);
	qDebug() << i << "::" << k << "::" << x <<"::"<<y;
	plotX[i] = x;
	plotY[i] = y;
	++i;
	}
	curve->setSamples(plotX, plotY, kArraySize);
	resize( 600, 400 );
	}
	MainWindow::~MainWindow()
	{
	delete ui;
	}

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