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QChaosPlot.cc
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QChaosPlot.cc
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#include <iostream>
#include <qwt_plot.h>
#include <qwt_picker.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_grid.h>
#include <qwt_plot_marker.h>
#include <qwt_plot_grid.h>
#include <qwt_plot_canvas.h>
#include <qwt_plot_layout.h>
#include <qwt_plot_zoomer.h>
#include <qwt_plot_panner.h>
#include <qwt_plot_picker.h>
#include "QChaosPlot.hh"
#include "QChaosModel.hh"
#include "models/QChaosHenon.hh"
#include "models/QChaosLozi.hh"
#include "models/QChaosAronson.hh"
#include "models/QChaosHenonC.hh"
#include "models/QChaosBarnsley.hh"
#include "models/QChaosSmith.hh"
#include "models/QChaosLorentz.hh"
class Zoomer: public QwtPlotZoomer
{
public:
Zoomer(int xAxis, int yAxis, QwtPlotCanvas *canvas):
QwtPlotZoomer(xAxis, yAxis, canvas)
{
setTrackerMode(QwtPicker::AlwaysOff);
setRubberBand(QwtPicker::NoRubberBand);
// RightButton: zoom out by 1
// Ctrl+RightButton: zoom out to full size
setMousePattern(QwtEventPattern::MouseSelect2,
Qt::RightButton, Qt::ControlModifier);
setMousePattern(QwtEventPattern::MouseSelect3,
Qt::RightButton);
}
};
QChaosPlot::QChaosPlot( QWidget *parent ) :
QwtPlot( parent ) {
_nIter = NDEF_ITERATIONS;
QwtPlotCanvas *canvas = new QwtPlotCanvas();
setCanvas( canvas );
// set plot width/heigth in pixels
setMinimumSize( 300, 300 );
setAutoReplot( false );
// setup the canvas
setCanvasBackground( Qt::white );
// grid
QwtPlotGrid *grid = new QwtPlotGrid;
grid->enableXMin(true);
grid->enableYMin(true);
//grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
//grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
grid->attach(this);
_curve = new QwtPlotCurve( "Model Curve" );
_curve->attach( this );
_curve->setStyle( QwtPlotCurve::Dots );
_curve->setPen(QPen(Qt::red,1));
addModel( QChaosPlot::Henon, new QChaosHenon() );
addModel( QChaosPlot::Lozi, new QChaosLozi() );
addModel( QChaosPlot::Aronson, new QChaosAronson() );
addModel( QChaosPlot::HenonC, new QChaosHenonC() );
addModel( QChaosPlot::Barnsley, new QChaosBarnsley() );
addModel( QChaosPlot::Smith, new QChaosSmith() );
addModel( QChaosPlot::Lorentz, new QChaosLorentz() );
// enable zooming
_zoomer = new Zoomer( QwtPlot::xBottom, QwtPlot::yLeft, canvas );
_zoomer->setRubberBand(QwtPicker::RectRubberBand);
_zoomer->setRubberBandPen(QPen(Qt::red, 1, Qt::DotLine));
_zoomer->setTrackerMode(QwtPicker::ActiveOnly);
_zoomer->setTrackerPen(QPen(Qt::red));
enableZoom( false );
setAutoReplot(true);
}
// -------------------------------------------------------------------
void QChaosPlot::drawModel( ) {
const bool doReplot = autoReplot( );
setAutoReplot( false );
setTitle( getActiveModel()->getName() );
// current active model
QChaosModel *m = getActiveModel();
int i = 0;
// set initial conditions for model
m->startpos();
// get values from the model
while ( i < getIterations() ) {
if ( m->iterate( &(_x[i]), &(_y[i]) ) ) break;
// std::cout << "i=" << i << "x=" << _x[i] << ", y=" << _y[i] << std::endl;
i++;
}
_curve->setRawSamples( _x, _y, i );
// make sure the axes update automatically, looks like the zoomer may
// screw this up...
setAxisAutoScale( QwtPlot::xBottom );
setAxisAutoScale( QwtPlot::yLeft );
setAutoReplot( doReplot );
// replot the plot
this->replot();
// update the zoom base
_zoomer->setZoomBase();
}
// -------------------------------------------------------------------
void QChaosPlot::resetModel( void ) {
getActiveModel()->init();
emit modelParameters( getActiveModel()->getNPars(), getActiveModel()->getPars() );
drawModel();
}
// -------------------------------------------------------------------
void QChaosPlot::setParameter( int idx, double value ) {
_model[_iActiveModel]->setParameter( idx, value );
return;
}
// -------------------------------------------------------------------
void QChaosPlot::setActive( int iModel ) {
_iActiveModel = iModel;
// emit modelParameters( _model[_iActiveModel]->getNPars(), _model[_iActiveModel]->getPars() );
emit modelParameters( getActiveModel()->getNPars(), getActiveModel()->getPars() );
emit modelInfo( getActiveModel()->getInfo() );
return;
}
// -------------------------------------------------------------------
void QChaosPlot::enableZoom( bool on ){
_zoomer->setEnabled( on );
_zoomer->zoom( 0 );
}