Java tutorial
/******************************************************************************* * Copyright (C) 2016 MET Norway * Contact information: * Norwegian Meteorological Institute * Henrik Mohns Plass 1 * 0313 OSLO * NORWAY * * This file is part of jTimeseries * jTimeseries is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * jTimeseries is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with jTimeseries; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *******************************************************************************/ package no.met.jtimeseries; import java.net.URL; import java.util.Date; import org.jfree.chart.JFreeChart; import no.met.jtimeseries.chart.ChartPlottingInfo; import no.met.jtimeseries.chart.TimePeriod; import no.met.jtimeseries.chart.Utility; import no.met.jtimeseries.data.item.AbstractValueItem; import no.met.jtimeseries.data.item.NumberValueItem; import no.met.jtimeseries.data.model.GenericDataModel; import no.met.phenomenen.NumberPhenomenon; public class CreateChart { private static void show(JFreeChart chart) { ChartFrame frame = new ChartFrame(chart, new java.awt.Dimension(800, 300)); frame.pack(); frame.setVisible(true); } static private JFreeChart getShortTermChart(GenericDataModel model, ChartPlottingInfo cpi) { MeteogramWrapper wrapper = new MeteogramWrapper("en"); NumberPhenomenon temperature = model.getNumberPhenomenon("AirTemperature"); // need a point-in-time variable here Date from = temperature.getStartTime(); Date to = Utility.getDateWithAddedHours(from, 48); TimePeriod timePeriod = new TimePeriod(from, to).adapt(3); // Many elements will refuse to render properly if they contain more data than necessary model.cutOlderThan(to); return wrapper.createShortTermMeteogram(model, timePeriod, cpi); } static private JFreeChart getLongTermChart(GenericDataModel model, ChartPlottingInfo cpi) { MeteogramWrapper wrapper = new MeteogramWrapper("en"); NumberPhenomenon temperature = model.getNumberPhenomenon("AirTemperature"); // need a point-in-time variable here Date from = temperature.getStartTime(); Date to = Utility.getDateWithAddedHours(from, 228); TimePeriod timePeriod = new TimePeriod(from, to).adapt(6); return wrapper.createLongTermMeteogram(model, timePeriod, cpi); } public static void main(String[] args) throws Exception { URL resource = CreateChart.class.getClassLoader().getResource("locationforecast/forecast.xml"); GenericDataModel model = MeteogramWrapper.getModel(resource.toString(), null); ChartPlottingInfo cpi = new ChartPlottingInfo.Builder(0, 0).altitude(0).width(800).height(300) .showAirTemperature(true).showDewpointTemperature(true).showPressure(true).timezone("UTC") .showCloudSymbol(true).showWeatherSymbol(true).showWindSymbol(true).showPrecipitation(true) .showWindSpeed(true).showWindDirection(true).windSpeedUnit("knop").build(); JFreeChart chart = getShortTermChart(model, cpi); //JFreeChart chart = getLongTermChart(model, cpi); show(chart); } }