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JKQtPlotter/examples/geometric/geometric.cpp

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/** \example geometric.cpp
* Shows how to plot several geometric forms with JKQTPlotter
*
* \ref JKQTPlotterGeometricGraphs
*/
#include <QCheckBox>
#include <QComboBox>
#include <QApplication>
#include "jkqtplotter/jkqtplotter.h"
#include "jkqtplotter/graphs/jkqtpgeometric.h"
int main(int argc, char* argv[])
{
QApplication app(argc, argv);
// 1. create a Widget with a plotter and some control-elements
QWidget widMain;
QGridLayout* layMain=new QGridLayout;
widMain.setLayout(layMain);
JKQTPlotter* plot=new JKQTPlotter(&widMain);
layMain->addWidget(plot, 1,0,1,5);
layMain->setRowStretch(1,1);
QCheckBox* chk;
// when checkbox is toggled: aspect-ration is maintained, or not
layMain->addWidget(chk=new QCheckBox(QObject::tr("maintain aspect ratio"), &widMain), 0, 0);
chk->setChecked(true);
QObject::connect(chk, &QCheckBox::toggled, [plot](bool checked) {
plot->getPlotter()->setMaintainAspectRatio(checked);
plot->getPlotter()->setMaintainAxisAspectRatio(checked);
});
// toggling the checkbox switches between linear and log x-axis
layMain->addWidget(chk=new QCheckBox(QObject::tr("x: log-scale"), &widMain), 0, 1);
chk->setChecked(false);
QObject::connect(chk, &QCheckBox::toggled, plot->getPlotter()->getXAxis(), &JKQTPHorizontalAxis::setLogAxis);
// toggling the checkbox switches between linear and log y-axis
layMain->addWidget(chk=new QCheckBox(QObject::tr("y: log-scale"), &widMain), 0, 2);
chk->setChecked(false);
QObject::connect(chk, &QCheckBox::toggled, plot->getPlotter()->getYAxis(), &JKQTPVerticalAxis::setLogAxis);
QComboBox* cmb;
// a combobox to select the DrawMode of all graph elements
layMain->addWidget(new QLabel(QObject::tr("DrawMode: "), &widMain), 0, 3);
layMain->addWidget(cmb=new QComboBox(&widMain), 0, 4);
cmb->addItem(QObject::tr("DrawAsGraphicElement"));
cmb->addItem(QObject::tr("DrawAsMathematicalCurve"));
cmb->setCurrentIndex(0);
QObject::connect(cmb, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), [plot](int index) {
for (size_t i=0; i<plot->getPlotter()->getGraphCount(); i++) {
JKQTPGeometricPlotElement* obj=dynamic_cast<JKQTPGeometricPlotElement*>(plot->getPlotter()->getGraph(i));
if (obj) {
obj->setDrawMode((index==0)?JKQTPGeometricPlotElement::DrawAsGraphicElement:JKQTPGeometricPlotElement::DrawAsMathematicalCurve);
}
}
plot->redrawPlot();
});
// 2. format graph:
// 2.1 set the graph scales manually
plot->setXY(0,3.05,0,3.05);
// 2.2 set the asxpect ratio to 1
plot->getPlotter()->setMaintainAspectRatio(true);
plot->getPlotter()->setAspectRatio(1);
plot->getPlotter()->setMaintainAxisAspectRatio(true);
plot->getPlotter()->setAxisAspectRatio(1);
// 2.3 set the asxpect ratio to 1
plot->getXAxis()->setDrawGrid(false);
plot->getYAxis()->setDrawGrid(false);
// 2.4 show 9 minor ticks between two major ticks
plot->getXAxis()->setMinorTicks(9);
plot->getYAxis()->setMinorTicks(9);
// 3. add some geometric plots
// 3.1 some text elements, also with formatting by LaTeX expressions
plot->addGraph(new JKQTPGeoText(plot, 0.1,0.95, "\\textbf{Text:}", 14, QColor("red")));
plot->addGraph(new JKQTPGeoText(plot, 0.1,0.1, "A text object in 10pt", 10, QColor("red")));
plot->addGraph(new JKQTPGeoSymbol(plot, 0.1,0.1, JKQTPCircle, 5, QColor("grey")));
plot->addGraph(new JKQTPGeoText(plot, 0.1,0.3, "A text object in 12pt", 12, QColor("red")));
plot->addGraph(new JKQTPGeoSymbol(plot, 0.1,0.3, JKQTPCircle, 5, QColor("grey")));
plot->addGraph(new JKQTPGeoText(plot, 0.1,0.6, "$x_{1/2}=\\frac{\\sqrt{b^2-4ac}}{2a}$", 10, QColor("red")));
plot->addGraph(new JKQTPGeoSymbol(plot, 0.1,0.6, JKQTPCircle, 5, QColor("grey")));
// 3.2 some lines elements (single lines)
plot->addGraph(new JKQTPGeoText(plot, 1.1,0.95, "\\textbf{Lines:}", 14, QColor("red")));
JKQTPGeoLine* l;
plot->addGraph(l=new JKQTPGeoLine(plot, 1, 0.05, 1.9, 0.9)); l->setStyle(QColor("red"), 2);
plot->addGraph(l=new JKQTPGeoLine(plot, 1, 0.1, 1.9, 0.8)); l->setStyle(QColor("blue"), 1, Qt::PenStyle::DashLine);
JKQTPGeoInfiniteLine* infLine=new JKQTPGeoInfiniteLine(plot, 1.7, 0.2, 0.2, 0.25);
infLine->setStyle(QColor("green"), 1.5, Qt::PenStyle::DashLine);
infLine->setTwoSided(false);
infLine->setAlpha(0.5);
plot->addGraph(infLine);
infLine=new JKQTPGeoInfiniteLine(plot, 1.7, 0.2, 0.2, -0.15);
infLine->setStyle(QColor("blue"), 1.5, Qt::PenStyle::SolidLine);
infLine->setTwoSided(true);
infLine->setAlpha(0.5);
plot->addGraph(infLine);
// 3.3 some arrows
plot->addGraph(new JKQTPGeoText(plot, 0.1,2.95, "\\textbf{Arrows:}", 14, QColor("red")));
JKQTPGeoArrow* a;
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.3, 2.1, 0.1, 2.9, JKQTPTriangleDecoratorAndBar, JKQTPDiamondDecoratorAndBar)); a->setStyle(QColor("green"), 1);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.2, 2.1, 0.2, 2.9, JKQTPNoDecorator, JKQTPFilledTriangleDecoratorAndBar)); a->setStyle(QColor("blue"), 2);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.1, 2.1, 0.3, 2.9, JKQTPDoubleArrowAndBar, JKQTPNoDecorator)); a->setStyle(QColor("orange"), 3);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.6, 2.1, 0.4, 2.9, JKQTPTriangleDecorator, JKQTPTriangleDecorator)); a->setStyle(QColor("green"), 0.5);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.5, 2.1, 0.5, 2.9, JKQTPNoDecorator, JKQTPFilledArrow)); a->setStyle(QColor("blue"), 2);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.4, 2.1, 0.6, 2.9, JKQTPFilledArrow, JKQTPNoDecorator)); a->setStyle(QColor("orange"), 1);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.7, 2.1, 0.7, 2.5, JKQTPArrowAndBar, JKQTPFilledArrow)); a->setStyle(QColor("green"), 0.5);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.8, 2.1, 0.8, 2.5, JKQTPArrowAndBar, JKQTPFilledArrow)); a->setStyle(QColor("orange"), 1);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.9, 2.1, 0.9, 2.5, JKQTPArrowAndBar, JKQTPFilledArrow)); a->setStyle(QColor("orange"), 2);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.7, 2.7, 0.7, 2.9, JKQTPTriangleDecoratorAndBar, JKQTPFilledCircleDecorator)); a->setStyle(QColor("green"), 0.5);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.8, 2.7, 0.8, 2.9, JKQTPTriangleDecoratorAndBar, JKQTPFilledCircleDecorator)); a->setStyle(QColor("orange"), 1);
plot->addGraph(a=new JKQTPGeoArrow(plot, 0.9, 2.7, 0.9, 2.9, JKQTPTriangleDecoratorAndBar, JKQTPFilledCircleDecorator)); a->setStyle(QColor("orange"), 2);
// 3.4 some rectangles (you give the center and width/height of the rectangle in the contructor)
plot->addGraph(new JKQTPGeoText(plot, 0.1,1.95, "\\textbf{Rectangles:}", 14, QColor("red")));
JKQTPGeoBaseFilled* geo;
JKQTPGeoRectangle* rec;
plot->addGraph(geo=new JKQTPGeoRectangle(plot, 0.5,1.5,0.8,0.8));
geo->setStyle(QColor("blue"), 1, Qt::SolidLine, QColor("lightblue"), Qt::SolidPattern);
QColor rfill("lightblue"); rfill.setAlphaF(0.5);
plot->addGraph(geo=new JKQTPGeoRectangle(plot, QPointF(0.4,1.3), QPointF(0.9,1.6)));
geo->setStyle(QColor("blue"), 1, Qt::SolidLine, rfill, Qt::SolidPattern);
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 0.5,1.5,0.8,0.5));
rec->setStyle(QColor("darkblue"), 2, Qt::DashLine);
rec->setAngle(35);
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 0.5,1.5,0.6,0.6));
rec->setStyle(QColor("orange"), 2, Qt::DotLine, QColor("salmon"), Qt::FDiagPattern);
rec->setAngle(-7);
plot->addGraph(new JKQTPGeoSymbol(plot, 0.5,1.5, JKQTPCircle, 5, QColor("grey")));
plot->addGraph(new JKQTPGeoSymbol(plot, 0.4,1.3, JKQTPCircle, 5, QColor("grey")));
plot->addGraph(new JKQTPGeoSymbol(plot, 0.9,1.6, JKQTPCircle, 5, QColor("grey")));
// 3.5 some circles and elllipses
plot->addGraph(new JKQTPGeoText(plot, 1.1,1.95, "\\textbf{Circles/Ellipses:}", 14, QColor("red")));
QColor col=QColor("blue"); col.setAlphaF(0.2);
plot->addGraph(geo=new JKQTPGeoRectangle(plot, 1.5,1.5,0.8,0.8));
geo->setStyleTransparentFill(col, 0.5, Qt::SolidLine);
col.setAlphaF(1);
plot->addGraph(geo=new JKQTPGeoEllipse(plot, 1.5,1.5,0.8,0.8));
geo->setStyle(col, 1, Qt::SolidLine, QColor("lightblue"), Qt::SolidPattern);
col=QColor("blue"); col.setAlphaF(0.2);
plot->addGraph(geo=new JKQTPGeoRectangle(plot, QPointF(1.4,1.3), QPointF(1.9,1.6)));
geo->setStyleTransparentFill(col, 0.5, Qt::SolidLine);
col.setAlphaF(1);
plot->addGraph(geo=new JKQTPGeoEllipse(plot, QPointF(1.4,1.3), QPointF(1.9,1.6)));
geo->setStyle(col, 1, Qt::SolidLine, rfill, Qt::SolidPattern);
col=QColor("darkblue"); col.setAlphaF(0.2);
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 1.5,1.5,0.8,0.5));
rec->setStyleTransparentFill(col, 0.5, Qt::DashLine);
rec->setAngle(35);
col.setAlphaF(1);
plot->addGraph(rec=new JKQTPGeoEllipse(plot, 1.5,1.5,0.8,0.5));
rec->setStyleTransparentFill(col, 2, Qt::DashLine);
rec->setAngle(35);
col=QColor("orange"); col.setAlphaF(0.2);
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 1.5,1.5,0.6,0.6));
rec->setStyleTransparentFill(col, 0.5, Qt::DotLine);
rec->setAngle(-7);
col.setAlphaF(1);
plot->addGraph(rec=new JKQTPGeoEllipse(plot, 1.5,1.5,0.6,0.6));
rec->setStyle(col, 2, Qt::DotLine, QColor("salmon"), Qt::FDiagPattern);
rec->setAngle(-7);
plot->addGraph(new JKQTPGeoSymbol(plot, 1.5,1.5, JKQTPCircle, 5, QColor("grey")));
plot->addGraph(new JKQTPGeoSymbol(plot, 1.4,1.3, JKQTPCircle, 5, QColor("grey")));
plot->addGraph(new JKQTPGeoSymbol(plot, 1.9,1.6, JKQTPCircle, 5, QColor("grey")));
// 3.6 some polygon elements
plot->addGraph(new JKQTPGeoText(plot, 2.1,0.95, "\\textbf{PolyLines/Polygons:}", 14, QColor("red")));
QVector<QPointF> polygon;
polygon<<QPointF(2, 0.1)<<QPointF(2.3, 0.9)<<QPointF(2.6, 0.3)<<QPointF(2, 0.8);
JKQTPGeoPolygon* polygraph=new JKQTPGeoPolygon(plot, polygon);
polygraph->setStyle(QColor("blue"), 2, Qt::PenStyle::DashLine, QColor("lightblue"), Qt::SolidPattern);
polygraph->setAlpha(0.75);
plot->addGraph(polygraph);
polygraph=new JKQTPGeoPolygon(plot);
polygraph->setStyle(QColor("red"), 2, Qt::PenStyle::DashLine, QColor("salmon"), Qt::SolidPattern);
polygraph->appendPoint(2.1, 0.5);
polygraph->appendPoint(2.9, 0.9);
polygraph->appendPoint(2.2, 0.8);
polygraph->appendPoint(2.8, 0.25);
polygraph->appendPoint(2.6, 0.6);
polygraph->setAlpha(0.75);
plot->addGraph(polygraph);
// 3.7 a poly-line element
QVector<QPointF> p;
p<<QPointF(2.1, 0.0)<<QPointF(2.2, 0.92)<<QPointF(2.6, 0.3)<<QPointF(2.9, 0.9);
JKQTPGeoPolyLines* poly;
plot->addGraph(poly=new JKQTPGeoPolyLines(plot, p));
poly->setStyle(QColor("darkgreen"), 4, Qt::PenStyle::DashDotLine);
// 3.8 some arcs
plot->addGraph(new JKQTPGeoText(plot, 2.1,1.95, "\\textbf{Arcs:}", 14, QColor("red")));
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 2.5,1.5,0.9,0.9));
rec->setStyleTransparentFill(QColor("lightgrey"), 0.5, Qt::SolidLine);
JKQTPGeoArc* arc;
plot->addGraph(arc=new JKQTPGeoArc(plot,2.5,1.5,0.9,0.9, 0, 90)); arc->setStyle(QColor("blue"), 4, Qt::PenStyle::SolidLine);
plot->addGraph(arc=new JKQTPGeoArc(plot,2.5,1.5,0.8,0.8, 90,180)); arc->setStyle(QColor("red"), 4, Qt::PenStyle::SolidLine);
plot->addGraph(arc=new JKQTPGeoArc(plot,2.5,1.5,0.7,0.7, 180,270)); arc->setStyle( QColor("darkblue"), 4, Qt::PenStyle::SolidLine);
plot->addGraph(arc=new JKQTPGeoArc(plot,2.5,1.5,0.6,0.6, 270,360)); arc->setStyle(QColor("maroon"), 4, Qt::PenStyle::DashDotLine);
plot->addGraph(arc=new JKQTPGeoArc(plot,2.5,1.5,0.5,0.5, -10, 117)); arc->setStyle(QColor("orange"), 4, Qt::PenStyle::DashLine);
plot->addGraph(arc=new JKQTPGeoArc(plot,2.5,1.5,0.4,0.4, 85, 347)); arc->setStyle(QColor("darkgreen"), 4, Qt::PenStyle::SolidLine);
plot->addGraph(new JKQTPGeoSymbol(plot, 2.5,1.5, JKQTPCircle, 5, QColor("grey")));
// 3.9 some pies
plot->addGraph(new JKQTPGeoText(plot, 2.1,2.95, "\\textbf{Pies:}", 14, QColor("red")));
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 2.5,2.5,0.9,0.9));
rec->setStyleTransparentFill(QColor("lightgrey"), 0.5, Qt::SolidLine);
JKQTPGeoPie* pie;
plot->addGraph(pie=new JKQTPGeoPie(plot,2.5,2.5,0.9,0.9, 0, 90));
pie->setStyle(QColor("blue"), 4, Qt::PenStyle::SolidLine,QColor("lightblue"), Qt::SolidPattern);
plot->addGraph(pie=new JKQTPGeoPie(plot,2.5,2.5,0.7,0.7, 180,270 ));
pie->setStyle(QColor("darkblue"), 4, Qt::PenStyle::SolidLine,QColor("blue"), Qt::SolidPattern);
pie->setAlpha(0.5);
plot->addGraph(pie=new JKQTPGeoPie(plot,2.5,2.5,0.5,0.3, -25, 117));
pie->setStyle(QColor("orange"), 4, Qt::PenStyle::DashLine,QColor("red"), Qt::SolidPattern);
pie->setAlpha(0.5);
plot->addGraph(pie=new JKQTPGeoPie(plot,2.5,2.5,0.25,0.8, 85, 347));
pie->setStyle(QColor("darkgreen"), 4, Qt::PenStyle::SolidLine,QColor("green"), Qt::SolidPattern);
pie->setAlpha(0.5);
plot->addGraph(new JKQTPGeoSymbol(plot, 2.5,2.5, JKQTPCircle, 5, QColor("grey")));
// 3.10 some chords
plot->addGraph(new JKQTPGeoText(plot, 1.1,2.95, "\\textbf{Chords:}", 14, QColor("red")));
plot->addGraph(rec=new JKQTPGeoRectangle(plot, 1.5,2.5,0.9,0.9));
rec->setStyleTransparentFill(QColor("lightgrey"), 0.5, Qt::SolidLine);
JKQTPGeoChord* chord;
plot->addGraph(chord=new JKQTPGeoChord(plot,1.5,2.5,0.9,0.9, 0, 90));
chord->setStyle(QColor("blue"), 4, Qt::PenStyle::SolidLine,QColor("lightblue"), Qt::SolidPattern);
plot->addGraph(chord=new JKQTPGeoChord(plot,1.5,2.5,0.7,0.7, 180,270));
chord->setStyle(QColor("darkblue"), 4, Qt::PenStyle::SolidLine,QColor("blue"), Qt::SolidPattern);
chord->setAlpha(0.5);
plot->addGraph(chord=new JKQTPGeoChord(plot,1.5,2.5,0.5,0.3, -25, 117));
chord->setStyle(QColor("orange"), 4, Qt::PenStyle::DashLine,QColor("red"), Qt::SolidPattern);
chord->setAlpha(0.5);
plot->addGraph(chord=new JKQTPGeoChord(plot,1.5,2.5,0.25,0.8, 85, 347 ));
chord->setStyle(QColor("darkgreen"), 4, Qt::PenStyle::SolidLine,QColor("green"), Qt::SolidPattern);
chord->setAlpha(0.5);
plot->addGraph(new JKQTPGeoSymbol(plot, 1.5,2.5, JKQTPCircle, 5, QColor("grey")));
// 4. show plotter and make it a decent size
widMain.show();
widMain.resize(1100,800);
return app.exec();
}
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