Mercurial > dive4elements > gnv-client

comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/ChartFactory.java @ 127:f6f0e4ce4a35

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merged gnv-artifacts/0.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:13:41 +0200
parents f07637f96312
children 7fb9441dd8af
comparison
equal deleted inserted replaced
49:94a07d1d9316 127:f6f0e4ce4a35
1 /**
2 * Title: ChartFactory, $Header: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v 1.8 2007/12/21 12:31:15 blume Exp $
3 * Source: $Source: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v $
4 * created by: Stefan Blume (blume)
5 * erstellt am: 06.12.2007
6 * Copyright: con terra GmbH, 2005
7 *
8 * modified by: $Author: blume $
9 * modified on: $Date: 2007/12/21 12:31:15 $
10 * Version: $Revision: 1.8 $
11 * TAG: $Name: $
12 * locked from: $Locker: $
13 * CVS State: $State: Exp $
14 * Project: $ProjectName$
15 */
16 package de.intevation.gnv.chart;
17
18 import java.awt.Color;
19 import java.awt.Font;
20 import java.awt.image.BufferedImage;
21 import java.io.IOException;
22 import java.io.OutputStream;
23 import java.util.Collection;
24 import java.util.Date;
25 import java.util.Iterator;
26
27 import org.apache.log4j.Logger;
28 import org.jfree.chart.JFreeChart;
29 import org.jfree.chart.axis.AxisLocation;
30 import org.jfree.chart.axis.DateAxis;
31 import org.jfree.chart.axis.NumberAxis;
32 import org.jfree.chart.axis.NumberTickUnit;
33 import org.jfree.chart.encoders.KeypointPNGEncoderAdapter;
34 import org.jfree.chart.plot.PlotOrientation;
35 import org.jfree.chart.plot.XYPlot;
36 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
37 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
38 import org.jfree.data.time.Minute;
39 import org.jfree.data.time.TimeSeries;
40 import org.jfree.data.time.TimeSeriesCollection;
41 import org.jfree.data.xy.XYDataset;
42 import org.jfree.ui.RectangleInsets;
43
44 import de.intevation.gnv.chart.exception.TechnicalChartException;
45 import de.intevation.gnv.geobackend.base.Result;
46 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
47
48 /**
49 * The class <code>ChartFactory</code> fulfills the following purposes:
50 * <ol>
51 * <li></li>
52 * </ol>
53 *
54 * @author blume
55 * @version 1.0
56 * @serial 1.0
57 * @see
58 * @since 06.12.2007 17:25:59
59 */
60 public class ChartFactory {
61
62 /**
63 * Default Logging instance
64 */
65 private static Logger sLogger = Logger.getLogger(ChartFactory.class);
66 private static boolean sDebug = sLogger.isDebugEnabled();
67
68
69 public synchronized void createSimpleTimeSeriesChart(ChartLabels pLabels, ChartStyle pStyle, Collection<KeyValueDescibeData> parameters, Collection<KeyValueDescibeData> measurements, OutputStream outputStream, Collection<Result> resultSet) throws IOException, TechnicalChartException {
70 if (sDebug)
71 sLogger.debug("createSimpleTimeSeriesChart()");
72 int lLowerLevel = Integer.MIN_VALUE;
73 int lUpperLevel = Integer.MAX_VALUE;
74 if (pStyle.isUseUpperDataLevel()
75 && pStyle.getUpperLevel() < Integer.MAX_VALUE) {
76 lUpperLevel = pStyle.getUpperLevel();
77 }
78 if (pStyle.isUseLowerDataLevel()
79 && pStyle.getLowerLevel() > Integer.MIN_VALUE) {
80 lLowerLevel = pStyle.getLowerLevel();
81 }
82 if (sDebug)
83 sLogger.debug(" vor createDataset()");
84 XYDataset lSet = this.createDataset(resultSet, lUpperLevel,
85 lLowerLevel,parameters,measurements);
86 if (sDebug)
87 sLogger.debug(" nach createDataset()");
88 final Color[] color = {Color.black, Color.red, Color.green, Color.blue};
89 DateAxis domain = new DateAxis(pLabels.getDomainAxisLabel());
90 NumberAxis axis;
91 StandardXYItemRenderer renderer = new StandardXYItemRenderer();
92 XYPlot plot = new XYPlot();
93 //Global settings
94
95 plot.setOrientation(PlotOrientation.VERTICAL);
96 plot.setBackgroundPaint(Color.lightGray);
97 plot.setDomainGridlinePaint(Color.white);
98 plot.setRangeGridlinePaint(Color.white);
99 plot.setAxisOffset(new RectangleInsets(5.0,5.0,5.0,5.0));
100 //plot.getRangeAxis().setFixedDimension(10.0);
101 plot.setDomainAxis(domain);
102 plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
103 if (parameters.size() == 1) {
104 KeyValueDescibeData parameter = parameters.iterator().next();
105 axis = new NumberAxis(parameter.getValue());
106 if(parameter.getValue().contains("richtung")){
107 NumberAxis axis1 = new NumberAxis(
108 ((String) parameter.getValue()));//,new Range(0.0,360.0));
109 axis1.setTickUnit(new NumberTickUnit(30.0));
110 axis1.setUpperBound(360.0);
111 axis1.setLowerBound(0.0);
112 //axis1.setDisplayRange(0.0,360.0);
113 plot.setRangeAxis( axis1);
114 }else{
115 axis.setFixedDimension(10.0);
116 axis.setAutoRangeIncludesZero(false);
117 plot.setRangeAxis(axis);
118 }
119 axis.configure();
120 plot.setRangeAxisLocation( AxisLocation.BOTTOM_OR_LEFT);
121 plot.setRenderer(renderer);
122 plot.setDataset(lSet);
123 } else {
124 // Individual settings for different parameters
125 for (int i = 0; i < lSet.getSeriesCount(); i++) {
126
127 plot.setDataset(i, getDataset((TimeSeriesCollection) lSet, i));
128 Color mColor=color[i % color.length]; // zyklische Farbvergabe
129 mColor = color[0];
130 // if ( pParameterId.length==1){
131
132 if(((String) lSet.getSeriesKey(i)).contains("richtung")){
133 NumberAxis axis1 = new NumberAxis(((String) lSet.getSeriesKey(i)));//,new Range(0.0,360.0));
134 axis1.setTickUnit(new NumberTickUnit(30.0));
135 //axis1.setDisplayRange(0.0,360.0);
136 axis1.setLabelPaint(mColor);
137 axis1.setTickLabelPaint(mColor);
138 axis1.setUpperBound(360.0);
139 axis1.setLowerBound(0.0);
140 plot.setRangeAxis(i, axis1);
141
142
143 }
144 else {
145 axis = new NumberAxis((String) lSet.getSeriesKey(i));
146 axis.setFixedDimension(10.0);
147 axis.setAutoRangeIncludesZero(false);
148 axis.setLabelPaint(mColor);
149 axis.setTickLabelPaint(mColor);
150 plot.setRangeAxis(i, axis);
151 axis.configure();
152 }
153 if (i % 2 != 0)
154 plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_RIGHT);
155 else
156 plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_LEFT);
157 plot.mapDatasetToRangeAxis(i, i);
158 // }
159 renderer = new StandardXYItemRenderer();
160 renderer.setSeriesPaint(i, mColor);
161 // renderer.setSeriesStroke(i,stroke[j]);
162 plot.setRenderer(i, renderer);
163 }
164 }
165 JFreeChart chart = new JFreeChart(
166 pLabels.getTitle(),
167 new Font ("SansSerif",Font.BOLD,24),
168 plot,true);
169
170
171 setStyle(chart, pStyle);
172 configureRenderingOptions(chart);
173 if (sDebug)
174 sLogger.debug(" vor encodeChart()");
175
176 encodeChart(chart, pStyle, outputStream);
177 }
178 private static XYDataset getDataset(TimeSeriesCollection T, int pIndex){ //throws TechnicalChartException{
179 //if (T.getSeriesCount() < pIndex) throw TechnicalChartException();
180 TimeSeriesCollection TSC = new TimeSeriesCollection();
181 TSC.addSeries(T.getSeries(pIndex));
182 return (XYDataset) TSC;
183 }
184
185 private void configureRenderingOptions(JFreeChart pJfreechart) {
186 org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = ((XYPlot) pJfreechart
187 .getPlot()).getRenderer();
188 if (xyitemrenderer instanceof XYLineAndShapeRenderer) {
189 XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyitemrenderer;
190 xylineandshaperenderer.setBaseShapesVisible(true);
191 xylineandshaperenderer.setBaseShapesFilled(true);
192 }
193 }
194
195 private void setStyle(JFreeChart pJfreechart, ChartStyle pStyle) {
196 if (sDebug)
197 sLogger.debug("setStyle()");
198 pJfreechart.setBackgroundPaint(pStyle.getCanvasColor());
199 XYPlot xyplot = (XYPlot) pJfreechart.getPlot();
200 xyplot.setBackgroundPaint(pStyle.getPlotBackgroundColor());
201 xyplot.setDomainGridlinePaint(pStyle.getDomainGridlineColor());
202 xyplot.setRangeGridlinePaint(pStyle.getRangeGridlineColor());
203
204 Insets lOffsets = pStyle.getAxisOffset();
205 RectangleInsets lRectangleInsets = new RectangleInsets(lOffsets.mUpper,
206 lOffsets.mLeft, lOffsets.mLower, lOffsets.mRight);
207 xyplot.setAxisOffset(lRectangleInsets);
208 xyplot.setDomainCrosshairVisible(pStyle.isDomainCrosshairVisible());
209 xyplot.setRangeCrosshairVisible(pStyle.isRangeCrosshairVisible());
210
211 }
212
213
214 private TimeSeries createTimeSeries(String pTimeSeriesName, Collection<Result> resultSet,
215 int lUpperCut, int lLowerCut,int pStart,int pEnd, Date dStart, Date dEnd) throws TechnicalChartException{
216 if (sDebug)
217 sLogger.debug("createTimeSeries()");
218 Result lRow0, lRow1;
219
220 Date lDate=null, lDate0=null;
221
222 TimeSeries lTimeseries = new TimeSeries(pTimeSeriesName,
223 org.jfree.data.time.Minute.class);
224 try {
225 long maxGap=0, lDateDiff=0;
226 double lValue=0;
227
228
229 int i = 0;
230 Iterator<Result> resultIterator = resultSet.iterator();
231 while (resultIterator.hasNext()){
232 Result lRow = resultIterator.next();
233 if (i >= pStart+1 && i <= pEnd){
234 if (i == pStart+1){
235 lRow0 = lRow;//
236
237 // Handle Gaps > 0.5% timeserieslength, i.e do not draw here
238 // +TODO mache maxGap variabel über diagram options
239 maxGap = (dEnd.getTime() - dStart.getTime()) / 200; // 0,5 prozent der Länge
240 if (maxGap < 3600000) maxGap=3600010;
241 if (maxGap <(dEnd.getTime() - dStart.getTime())/(pEnd-pStart))
242 maxGap = (dEnd.getTime() - dStart.getTime())/(pEnd-pStart) + 1000;
243
244 if (sDebug)
245 sLogger.debug("MaxGap : "+maxGap/1000+" Länge : "+(dEnd.getTime() - dStart.getTime())/1000+
246 "Intervall "+(dEnd.getTime() - dStart.getTime())/(pEnd-pStart)/1000);
247 lDate = lRow0.getDate("XORDINATE");
248 lDate0 = lDate;
249 lValue = lRow0.getDouble("YORDINATE");
250 if (lValue > lLowerCut && lValue < lUpperCut){
251 //lTimeseries.addOrUpdate(new Minute(lDate), lValue);
252 lTimeseries.add(new Minute(lDate), lValue);
253 }
254 }
255 //for (int i = pStart+1; i <= pEnd; i++) {
256 lRow1 =lRow;
257 lDate = lRow1.getDate("XORDINATE");
258 lValue = lRow1.getDouble("YORDINATE");
259 lDateDiff = lDate.getTime() - lDate0.getTime();
260 if (lDateDiff > maxGap) {
261 // add 1 minute in millisecs to left hand side Date
262 // and insert Dummy to break line
263 lDate0.setTime((lDate0.getTime() + 60000));
264 lTimeseries.addOrUpdate(new Minute(lDate0), null);
265 lTimeseries.addOrUpdate(new Minute(lDate), lValue);
266 //lTimeseries.add(new Minute(lDate0), null);
267 } else if (lDateDiff == 0) {
268 if (sDebug)
269 sLogger.debug("Datediff: "+lDateDiff+" bei index : "+i+" Datum : "+lDate+" "+lDate0);
270 }
271 else if (lValue > lLowerCut && lValue < lUpperCut) {
272 lTimeseries.addOrUpdate(new Minute(lDate), lValue);
273 //lTimeseries.add(new Minute(lDate), lValue);
274 }
275 lRow0 = lRow1;
276 lDate0 = lDate;
277 }else if (i > pEnd){
278 return lTimeseries;
279 }
280 i++;
281 }
282
283
284 } catch (OutOfMemoryError e) {
285 sLogger.error(e.getMessage(), e);
286 return lTimeseries;
287
288 } catch (Exception e) { //TechnicalChartException
289 sLogger.error(e.getMessage(), e);
290 }
291 finally {
292 }
293
294 return lTimeseries;
295 }
296
297 private XYDataset createDataset(Collection<Result> resultSet,
298 int lUpperCut, int lLowerCut,Collection<KeyValueDescibeData> parameters, Collection<KeyValueDescibeData> measurements) throws TechnicalChartException {
299
300 TimeSeriesCollection lTimeSeriesCollection = new TimeSeriesCollection();
301 try{
302 Date dStart = null, dEnd= null;
303 String break1, break2, break3;
304 int mStart = 0;
305 int mEnd = 0;
306
307
308 Iterator<Result> resultIterator = resultSet.iterator();
309 if (resultIterator.hasNext()){
310 Result row = resultIterator.next();
311
312 break1 = row.getString("GROUP1"); // 2
313 break2 = row.getString("GROUP2"); //3
314 break3 = row.getString("GROUP3"); // 4
315 dStart = row.getDate("XORDINATE");
316 int i = 1;
317 while (resultIterator.hasNext()) {
318 row = resultIterator.next();
319 if (!break1.equals(row.getString("GROUP1"))
320 || !break2 .equals(row.getString("GROUP2"))
321 || !break3.equals(row.getString("GROUP3"))){
322 String mTimeSeriesName = findValueTitle(parameters,break1)+" "+
323 findValueTitle(measurements,break2)+"m";
324
325 lTimeSeriesCollection.addSeries(createTimeSeries(mTimeSeriesName,
326 resultSet, lUpperCut, lLowerCut, mStart, mEnd, dStart, dEnd));
327 mStart = i;
328 dStart = row.getDate("XORDINATE");
329 break1 = row.getString("GROUP1");
330 break2 = row.getString("GROUP2"); //3
331 break3 = row.getString("GROUP3"); // 4
332
333 }
334 mEnd = i;
335 dEnd = row.getDate("XORDINATE");
336 i = i + 1;
337 }
338
339 String mTimeSeriesName = findValueTitle(parameters,break1)+" "+
340 findValueTitle(measurements,break2)+"m";
341 lTimeSeriesCollection.addSeries(createTimeSeries(mTimeSeriesName,
342 resultSet, lUpperCut, lLowerCut, mStart, mEnd, dStart, dEnd));
343 }
344 }
345 catch (Exception e){
346 sLogger.error(e.getMessage(), e);
347 }
348 finally{
349 }
350 return lTimeSeriesCollection;
351 }
352
353
354
355 private void encodeChart(JFreeChart pChart, ChartStyle pStyle, OutputStream outputStream)
356 throws IOException {
357 if (sDebug)
358 sLogger.debug("encodeChart()");
359 KeypointPNGEncoderAdapter lEncoder = new KeypointPNGEncoderAdapter();
360 lEncoder.setEncodingAlpha(true);
361
362 int lWidth = (int) pStyle.getChartSize().getWidth();
363 int lHeight = (int) pStyle.getChartSize().getHeight();
364
365 BufferedImage lImage = pChart.createBufferedImage(lWidth, lHeight,
366 BufferedImage.BITMASK, null);
367
368 lEncoder.encode(lImage, outputStream);
369
370 }
371
372 private String findValueTitle(Collection<KeyValueDescibeData> values, String pMmtId){
373 int id = 0;
374 try {
375 id = Integer.parseInt(pMmtId);
376 } catch (NumberFormatException e) {
377 sLogger.warn(e,e);
378 return pMmtId;
379 }
380
381 Iterator<KeyValueDescibeData> it = values.iterator();
382 while(it.hasNext()){
383 KeyValueDescibeData data = it.next();
384 if (id ==Integer.parseInt(data.getKey())){
385 return data.getValue();
386 }
387 }
388 return "";
389 }
390 }
http://dive4elements.wald.intevation.org