Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.chart; import com.astronomy.JulianDay; import com.main.Main; import java.text.FieldPosition; import java.text.NumberFormat; import java.text.ParsePosition; import java.util.List; import org.jfree.chart.axis.NumberAxis; /** * Swing chart with temporal abcissa based on julian days * @author MIGUEL_ANGEL */ public class JulianChart extends SwingChart { /** * * @param name Chart name * @param axes Configuration of axes * @param abcissaName Abcissa name */ public JulianChart(String name, List<AxisChart> axes, String abcissaName) { super(name, Main.skeleton, axes, abcissaName); NumberAxis naAbcisa = (NumberAxis) abcissaAxis; NumberFormat nf = new NumberFormat() { @Override public StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) { return new StringBuffer((new JulianDay(number)).toString()); } @Override public StringBuffer format(long number, StringBuffer toAppendTo, FieldPosition pos) { return new StringBuffer((new JulianDay(number)).toString()); } @Override public Number parse(String source, ParsePosition parsePosition) { return null; } }; naAbcisa.setNumberFormatOverride(nf); abcissaFormat = nf; } }