/** \example boxplot.cpp * Shows how to draw Boxplots with JKQTPlotter * * \ref JKQTPlotterBoxplotsGraphs */ #include #include "jkqtplotter/jkqtplotter.h" #include "jkqtplotter/graphs/jkqtpscatter.h" #include "jkqtplotter/graphs/jkqtpboxplot.h" int main(int argc, char* argv[]) { #if QT_VERSION >= QT_VERSION_CHECK(5,6,0) && QT_VERSION < QT_VERSION_CHECK(6,0,0) QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps #endif QApplication app(argc, argv); // 1. create a plotter window and get a pointer to the internal datastore (for convenience) JKQTPlotter plot; plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting plot.getPlotter()->setUseAntiAliasingForSystem(true); // nicer (but slower) plotting plot.getPlotter()->setUseAntiAliasingForText(true); // nicer (but slower) text rendering JKQTPDatastore* ds=plot.getDatastore(); // 2. now we create data for the boxplots QVector POS, POSY, MEDIAN, MEAN, Q25, Q75, MIN, MAX, OUTLIERSX, OUTLIERSY; POS << 1 << 4 << 7 << 10; POSY << -1 << -2 << -3 << -4; MIN << 2 << 3 << 2.5 << 6; Q25 << 4 << 4.5 << 5 << 7; MEDIAN << 5 << 6 << 7 << 9; MEAN << 5.5 << 5.2 << 8 << 8; Q75 << 6 << 7 << 9 << 11; MAX << 8 << 7.5 << 11 << 12; // ... and some outliers (as (x,y)-pairs) OUTLIERSX << 4 << 4 << 4 << 4 << 4 << 10 << 10 << 10 << 10 << 10 << 10 << 10; OUTLIERSY << 1 << 0.5 << 1.3 << 8 << 8.1 << 5 << 4 << 12.2 << 13 << 12.5 << 13.5 << 13.1; // 3. make data available to JKQTPlotter by adding it to the internal datastore. size_t columnPOS=ds->addCopiedColumn(POS, "POS"); size_t columnPOSY=ds->addCopiedColumn(POSY, "POSY"); size_t columnMIN=ds->addCopiedColumn(MIN, "MIN"); size_t columnQ25=ds->addCopiedColumn(Q25, "Q25"); size_t columnMEDIAN=ds->addCopiedColumn(MEDIAN, "MEDIAN"); size_t columnMEAN=ds->addCopiedColumn(MEAN, "MEAN"); size_t columnQ75=ds->addCopiedColumn(Q75, "Q75"); size_t columnMAX=ds->addCopiedColumn(MAX, "MAX"); size_t columnOUTLIERSX=ds->addCopiedColumn(OUTLIERSX, "OUTLIERSX"); size_t columnOUTLIERSY=ds->addCopiedColumn(OUTLIERSY, "OUTLIERSY"); // 4. create a graph of vertical boxplots: JKQTPBoxplotVerticalGraph* graph=new JKQTPBoxplotVerticalGraph(&plot); graph->setPositionColumn(columnPOS); graph->setMinColumn(columnMIN); graph->setPercentile25Column(columnQ25); graph->setMedianColumn(columnMEDIAN); graph->setMeanColumn(columnMEAN); graph->setPercentile75Column(columnQ75); graph->setMaxColumn(columnMAX); graph->setTitle("vertical Boxplots"); // 5. outliers need to be drawn separately JKQTPXYLineGraph* graphOutliers=new JKQTPXYLineGraph(&plot); graphOutliers->setXColumn(columnOUTLIERSX); graphOutliers->setYColumn(columnOUTLIERSY); graphOutliers->setTitle("outliers"); // make the color a darker shade of the color of graph graphOutliers->setColor(graph->getLineColor().darker()); graphOutliers->setSymbolFillColor(QColor("white")); // draw outliers as small circles, without lines graphOutliers->setSymbolType(JKQTPCircle); graphOutliers->setDrawLine(false); graphOutliers->setSymbolSize(7); // 6. create a graph of horizontal boxplots: JKQTPBoxplotHorizontalGraph* graphh=new JKQTPBoxplotHorizontalGraph(&plot); graphh->setPositionColumn(columnPOSY); graphh->setMinColumn(columnMIN); graphh->setPercentile25Column(columnQ25); graphh->setMedianColumn(columnMEDIAN); graphh->setMeanColumn(columnMEAN); graphh->setPercentile75Column(columnQ75); graphh->setMaxColumn(columnMAX); graphh->setTitle("horizontal Boxplots"); // 6.1 make fill collor a lighter shade of the outline color graphh->setFillColor(graphh->getLineColor().lighter()); // 6.2 make whiskers dashed graphh->setWhiskerLineStyle(Qt::DashLine); graphh->setWhiskerLineColor(graphh->getLineColor().darker()); // 6.3 make whiskers caps solid and thick graphh->setWhiskerCapLineStyle(Qt::SolidLine); graphh->setWhiskerCapLineColor(graphh->getLineColor().darker()); graphh->setWhiskerCapLineWidth(graphh->getLineWidth()*2.5); // 6.4 change mean symbol graphh->setMeanSymbolType(JKQTPFilledStar); graphh->setMeanFillColor(QColor("silver")); // 6.5 change median line color graphh->setMedianLineColor(QColor("darkgreen")); // 6.6 change box width to 75% of distance graphh->setBoxWidthRelative(0.75); // 7. add the graphs to the plot, so it is actually displayed plot.addGraph(graph); plot.addGraph(graphOutliers); plot.addGraph(graphh); // 8. autoscale the plot so the graph is contained plot.zoomToFit(); // 9. Move key to top-left plot.getPlotter()->setKeyPosition(JKQTPKeyInsideTopLeft); // show plotter and make it a decent size plot.show(); plot.resize(800,800); return app.exec(); }