teichmann@7901: package org.dive4elements.river.jfree;
teichmann@7901: 
teichmann@7901: import org.jfree.data.xy.XYSeries;
teichmann@7901: 
teichmann@7901: public class GapInserter {
teichmann@7901: 
teichmann@7901:     private XYSeries series;
teichmann@7901:     private double   gap;
teichmann@7901:     private double   lastX;
teichmann@7901: 
teichmann@7901:     public GapInserter() {
teichmann@7901:     }
teichmann@7901: 
teichmann@7901:     public GapInserter(XYSeries series, double gap) {
teichmann@7901:         lastX = Double.NaN;
teichmann@7901:         this.series = series;
teichmann@7901:         this.gap = Math.abs(gap);
teichmann@7901:     }
teichmann@7901: 
teichmann@7901:     public void add(double x, double y) {
teichmann@7901:         if (!Double.isNaN(lastX) && !Double.isNaN(x) && Math.abs(x - lastX) > gap) {
teichmann@7901:             series.add((x + lastX)/2.0, Double.NaN, false);
teichmann@7901:         }
teichmann@7901:         series.add(x, y, false);
teichmann@7901:         lastX = x;
teichmann@7901:     }
teichmann@7901: }