JKQTPSingleColumnSymbolsGraph: added Rug-Plot

lib/jkqtplotter/jkqtpgraphssinglecolumnsymbols.cpp

@@ -119,6 +119,11 @@ void JKQTPSingleColumnSymbolsGraph::draw(JKQTPEnhancedPainter &painter)
         std::uniform_real_distribution<> dRandomScatter{position-width/2.0, position+width/2.0};
 
         const double symSize=parent->pt2px(painter, getSymbolSize());
+        QPen p=painter.pen();
+        p.setColor(getSymbolColor());
+        p.setWidthF(qMax(JKQTPlotterDrawingTools::ABS_MIN_LINEWIDTH,  parent->pt2px(painter, getSymbolLineWidth())));
+        p.setStyle(Qt::SolidLine);
+        p.setCapStyle(Qt::FlatCap);
 
 
         QVector<QPointF> plotSymbols; // collects symbol locations e.g. for BeeSwarmScatter-plots
@@ -154,7 +159,13 @@ void JKQTPSingleColumnSymbolsGraph::draw(JKQTPEnhancedPainter &painter)
                 }
                 plotSymbols.append(QPointF(x,y));
                 if (JKQTPIsOKFloat(xv) && JKQTPIsOKFloat(yv)) {
-                    plotStyledSymbol(parent, painter, x, y);
+                    if (positionScatterStyle!=RugPlot) {
+                        plotStyledSymbol(parent, painter, x, y);
+                    } else {
+                        painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
+                        painter.setPen(p);
+                        painter.drawLine(QLineF(x, y-symSize,x,y+symSize));
+                    }
                     addHitTestData(xv, yv,iii, datastore);
                 }
             }
@@ -180,8 +191,13 @@ void JKQTPSingleColumnSymbolsGraph::draw(JKQTPEnhancedPainter &painter)
                 }
                 plotSymbols.append(QPointF(x,y));
                 if (JKQTPIsOKFloat(xv) && JKQTPIsOKFloat(yv)) {
-                    plotSymbols.append(QPointF(x,y));
+                    if (positionScatterStyle!=RugPlot) {
-                    plotStyledSymbol(parent, painter, x, y);
+                        plotStyledSymbol(parent, painter, x, y);
+                    } else {
+                        painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
+                        painter.setPen(p);
+                        painter.drawLine(QLineF(x-symSize, y,x+symSize,y));
+                    }
                     addHitTestData(xv, yv,iii, datastore);
                 }
             }
@@ -206,7 +222,21 @@ void JKQTPSingleColumnSymbolsGraph::drawKeyMarker(JKQTPEnhancedPainter &painter,
     painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
     QPen p=getSymbolPen(painter, parent);
     painter.setPen(p);
-    JKQTPPlotSymbol(painter, rect.left()+rect.width()/2.0, rect.top()+rect.height()/2.0, getSymbolType(), symbolSize, symbolWidth, getKeyLabelColor(), getSymbolFillColor());
+    if (positionScatterStyle!=RugPlot) {
+        JKQTPPlotSymbol(painter, rect.left()+rect.width()/2.0, rect.top()+rect.height()/2.0, getSymbolType(), symbolSize, symbolWidth, getKeyLabelColor(), getSymbolFillColor());
+    } else {
+        painter.translate(rect.center());
+        if (dataDirection==DataDirection::X) {
+            painter.rotate(90);
+        }
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*(-0.4), rect.width()/4.0, rect.height()*(-0.4)));
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*(-0.2), rect.width()/4.0, rect.height()*(-0.2)));
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*0.0, rect.width()/4.0, rect.height()*0.0));
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*0.05, rect.width()/4.0, rect.height()*0.05));
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*0.15, rect.width()/4.0, rect.height()*0.15));
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*0.3, rect.width()/4.0, rect.height()*0.3));
+        painter.drawLine(QLineF(-rect.width()/4.0, rect.height()*0.45, rect.width()/4.0, rect.height()*0.45));
+    }
 
 }
 

lib/jkqtplotter/jkqtpgraphssinglecolumnsymbols.h

@@ -57,6 +57,7 @@ class JKQTP_LIB_EXPORT JKQTPSingleColumnSymbolsGraph: public JKQTPSingleColumnGr
             NoScatter, /*!< \brief missing coordinate is exactly position for every datapoint in dataColumn \image html JKQTPSingleColumnSymbolsGraph_NoScatter.png */
             RandomScatter, /*!< \brief missing coordinate scatters around position (with distribution-width width ) \image html JKQTPSingleColumnSymbolsGraph_RandomScatter.png */
             BeeSwarmScatter, /*!< \brief missing coordinate scatters around position and the algorithm tries to prevent overlay of two symbols ("bee swarm plot", see e.g. <a href="https://www.r-statistics.com/2011/03/beeswarm-boxplot-and-plotting-it-with-r/">https://www.r-statistics.com/2011/03/beeswarm-boxplot-and-plotting-it-with-r/</a>). Note that this algorithm can be rather slow!!! \image html JKQTPSingleColumnSymbolsGraph_BeeSwarmScatter.png */
+            RugPlot, /*!< \brief like NoScatter but draws each data-point as a horzintal/vertical line, centered around position, not as a symbol ("rug plot", see e.g. <a href="https://en.wikipedia.org/wiki/Rug_plot">https://en.wikipedia.org/wiki/Rug_plot</a>).  \image html JKQTPSingleColumnSymbolsGraph_RugPlot.png */
         };
 
         /** \brief class constructor */