root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / legend / AbstractIntervalLegend.java @ 24494
History | View | Annotate | Download (16.2 KB)
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
18 |
*
|
19 |
* For more information, contact:
|
20 |
*
|
21 |
* Generalitat Valenciana
|
22 |
* Conselleria d'Infraestructures i Transport
|
23 |
* Av. Blasco Ib??ez, 50
|
24 |
* 46010 VALENCIA
|
25 |
* SPAIN
|
26 |
*
|
27 |
* +34 963862235
|
28 |
* gvsig@gva.es
|
29 |
* www.gvsig.gva.es
|
30 |
*
|
31 |
* or
|
32 |
*
|
33 |
* IVER T.I. S.A
|
34 |
* Salamanca 50
|
35 |
* 46005 Valencia
|
36 |
* Spain
|
37 |
*
|
38 |
* +34 963163400
|
39 |
* dac@iver.es
|
40 |
*/
|
41 |
|
42 |
/* CVS MESSAGES:
|
43 |
*
|
44 |
* $Id: AbstractIntervalLegend.java 21144 2008-06-03 15:47:31Z vcaballero $
|
45 |
* $Log$
|
46 |
* Revision 1.12 2007-09-19 16:25:39 jaume
|
47 |
* ReadExpansionFileException removed from this context and removed unnecessary imports
|
48 |
*
|
49 |
* Revision 1.11 2007/09/10 15:47:11 jaume
|
50 |
* *** empty log message ***
|
51 |
*
|
52 |
* Revision 1.10 2007/08/03 09:22:08 jaume
|
53 |
* refactored class names
|
54 |
*
|
55 |
* Revision 1.9 2007/08/02 10:19:03 jvidal
|
56 |
* implements IPersistance
|
57 |
*
|
58 |
* Revision 1.8 2007/08/01 11:45:59 jaume
|
59 |
* passing general tests (drawing test yet missing)
|
60 |
*
|
61 |
* Revision 1.7 2007/05/28 15:36:42 jaume
|
62 |
* *** empty log message ***
|
63 |
*
|
64 |
* Revision 1.6 2007/05/17 09:32:06 jaume
|
65 |
* *** empty log message ***
|
66 |
*
|
67 |
* Revision 1.5 2007/05/10 14:13:36 jaume
|
68 |
* *** empty log message ***
|
69 |
*
|
70 |
* Revision 1.4 2007/05/10 09:44:08 jaume
|
71 |
* Refactored legend interface names
|
72 |
*
|
73 |
* Revision 1.3 2007/03/27 09:28:40 jaume
|
74 |
* *** empty log message ***
|
75 |
*
|
76 |
* Revision 1.2 2007/03/09 11:20:56 jaume
|
77 |
* Advanced symbology (start committing)
|
78 |
*
|
79 |
* Revision 1.1.2.2 2007/02/15 16:23:44 jaume
|
80 |
* *** empty log message ***
|
81 |
*
|
82 |
* Revision 1.1.2.1 2007/02/13 16:19:19 jaume
|
83 |
* graduated symbol legends (start commiting)
|
84 |
*
|
85 |
*
|
86 |
*/
|
87 |
package org.gvsig.fmap.mapcontext.rendering.legend; |
88 |
|
89 |
import java.util.ArrayList; |
90 |
import java.util.Comparator; |
91 |
import java.util.Date; |
92 |
import java.util.Iterator; |
93 |
import java.util.TreeMap; |
94 |
|
95 |
import org.apache.log4j.Logger; |
96 |
import org.gvsig.fmap.dal.exceptions.ReadException; |
97 |
import org.gvsig.fmap.dal.feature.Feature; |
98 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
99 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
100 |
import org.gvsig.fmap.dal.feature.FeatureType; |
101 |
import org.gvsig.fmap.mapcontext.Messages; |
102 |
import org.gvsig.fmap.mapcontext.exceptions.LegendLayerException; |
103 |
import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
104 |
import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
105 |
import org.gvsig.fmap.mapcontext.rendering.symbols.SymbologyFactory; |
106 |
|
107 |
|
108 |
public abstract class AbstractIntervalLegend extends AbstractClassifiedVectorLegend implements IVectorialIntervalLegend{ |
109 |
protected int shapeType; |
110 |
|
111 |
public static final int EQUAL_INTERVALS = 0; |
112 |
public static final int NATURAL_INTERVALS = 1; |
113 |
public static final int QUANTILE_INTERVALS = 2; |
114 |
protected TreeMap symbols = new TreeMap //<Object, ISymbol> |
115 |
(new Comparator() { //<Object> |
116 |
public int compare(Object o1, Object o2) { |
117 |
if ((o1 != null) && (o2 != null)) { |
118 |
if (o1 instanceof NullIntervalValue && |
119 |
o2 instanceof NullIntervalValue) {
|
120 |
return 0; |
121 |
} |
122 |
|
123 |
if (o2 instanceof NullIntervalValue) { |
124 |
return 1; |
125 |
} |
126 |
|
127 |
if (o1 instanceof NullIntervalValue) { |
128 |
return -1; |
129 |
} |
130 |
|
131 |
FInterval i2 = (FInterval) o2; |
132 |
FInterval i1 = (FInterval) o1; |
133 |
|
134 |
if (i1.getMin() > i2.getMin()) {
|
135 |
return 1; |
136 |
} |
137 |
|
138 |
if (i1.getMin() < i2.getMin()) {
|
139 |
return -1; |
140 |
} |
141 |
if (i1.getMax() < i2.getMax()) {
|
142 |
return -1; |
143 |
} |
144 |
if (i1.getMax() > i2.getMax()) {
|
145 |
return 1; |
146 |
} |
147 |
} |
148 |
|
149 |
return 0; |
150 |
} |
151 |
}); |
152 |
protected ArrayList keys = new ArrayList(); //<Object> |
153 |
protected int index = 0; |
154 |
protected String[] fieldNames; |
155 |
protected int fieldId; |
156 |
protected ISymbol defaultSymbol;
|
157 |
protected FeatureStore featureStore;
|
158 |
protected int intervalType = NATURAL_INTERVALS; |
159 |
protected boolean useDefaultSymbol = false; |
160 |
|
161 |
private Logger logger = Logger.getLogger(AbstractIntervalLegend.class); |
162 |
|
163 |
public void addSymbol(Object key, ISymbol symbol) { |
164 |
symbols.put(key, symbol); |
165 |
keys.add(key); |
166 |
fireClassifiedSymbolChangeEvent(new SymbolLegendEvent(null, symbol)); |
167 |
} |
168 |
|
169 |
/*
|
170 |
* @see com.iver.cit.gvsig.fmap.rendering.IVectorialLegend#getSymbol(int)
|
171 |
*/
|
172 |
public ISymbol getSymbol(FeatureReference featureID) throws ReadException { |
173 |
Object val = featureStore.getFeatureByReference(featureID).get(fieldId);
|
174 |
IInterval interval = getInterval(val); |
175 |
ISymbol theSymbol = getSymbolByInterval(interval); |
176 |
|
177 |
|
178 |
if (theSymbol != null) { |
179 |
return theSymbol;
|
180 |
} else if (useDefaultSymbol) { |
181 |
return getDefaultSymbol();
|
182 |
} |
183 |
|
184 |
return null; |
185 |
} |
186 |
|
187 |
public ISymbol getSymbolByFeature(Feature feat) {
|
188 |
Object val = feat.get(fieldId);
|
189 |
IInterval interval = getInterval(val); |
190 |
ISymbol theSymbol = getSymbolByInterval(interval); |
191 |
|
192 |
return theSymbol;
|
193 |
} |
194 |
|
195 |
|
196 |
public FInterval[] calculateIntervals(FeatureStore featureStore, String fieldName, int numIntervalos, int shapeType) |
197 |
throws ReadException, LegendLayerException {
|
198 |
logger.debug("elRs.start()");
|
199 |
// recordSet.start();
|
200 |
|
201 |
// int idField = -1;
|
202 |
|
203 |
setClassifyingFieldNames(new String[] {fieldName}); |
204 |
|
205 |
String[] fieldNames = getClassifyingFieldNames(); |
206 |
Iterator iterator=featureStore.getDataCollection(fieldNames,null,null).iterator(); |
207 |
|
208 |
|
209 |
// for (int i = 0; i < recordSet.getFieldCount(); i++) {
|
210 |
// String nomAux = recordSet.getFieldName(i).trim();
|
211 |
//
|
212 |
// if (fieldNames[0].compareToIgnoreCase(nomAux) == 0) {
|
213 |
// idField = i;
|
214 |
//
|
215 |
// break;
|
216 |
// }
|
217 |
// }
|
218 |
|
219 |
// if (idField == -1) {
|
220 |
// logger.error("Campo no reconocido " + fieldNames);
|
221 |
//
|
222 |
// return null;
|
223 |
// }
|
224 |
|
225 |
double minValue = Double.MAX_VALUE; |
226 |
double maxValue = Double.NEGATIVE_INFINITY; |
227 |
|
228 |
VectorialIntervalLegend auxLegend = LegendFactory. |
229 |
createVectorialIntervalLegend(shapeType); |
230 |
|
231 |
Object clave;
|
232 |
|
233 |
while (iterator.hasNext()) {
|
234 |
Feature feature = (Feature) iterator.next(); |
235 |
|
236 |
// for (int j = 0; j < recordSet.getRowCount(); j++) {
|
237 |
clave = feature.get(fieldName); |
238 |
|
239 |
IInterval interval = auxLegend.getInterval(clave); |
240 |
|
241 |
////Comprobar que no esta repetido y no hace falta introducir en el hashtable el campo junto con el simbolo.
|
242 |
if (auxLegend.getSymbolByInterval(interval) == null) { |
243 |
//si no esta creado el simbolo se crea
|
244 |
double valor = 0; |
245 |
|
246 |
|
247 |
if (clave instanceof Number) { |
248 |
valor=((Number)clave).doubleValue();
|
249 |
}else if (clave instanceof Date) { |
250 |
//TODO POR IMPLEMENTAR
|
251 |
///valorDate = elRs.getFieldValueAsDate(idField);
|
252 |
///if (valorDate.before(minValueDate)) minValueDate = valorDate;
|
253 |
///if (valorDate.after(maxValueDate)) maxValueDate = valorDate;
|
254 |
} else if (clave instanceof NullValue) { |
255 |
continue;
|
256 |
} |
257 |
|
258 |
if (valor < minValue) {
|
259 |
minValue = valor; |
260 |
} |
261 |
|
262 |
if (valor > maxValue) {
|
263 |
maxValue = valor; |
264 |
} |
265 |
} |
266 |
} |
267 |
|
268 |
FInterval[] intervalArray = null; |
269 |
switch (getIntervalType()) {
|
270 |
case VectorialIntervalLegend.EQUAL_INTERVALS:
|
271 |
intervalArray = calculateEqualIntervals(numIntervalos, |
272 |
minValue, maxValue, fieldName); |
273 |
|
274 |
break;
|
275 |
|
276 |
case VectorialIntervalLegend.NATURAL_INTERVALS:
|
277 |
intervalArray = calculateNaturalIntervals(featureStore, numIntervalos, |
278 |
minValue, maxValue, fieldName); |
279 |
|
280 |
break;
|
281 |
|
282 |
case VectorialIntervalLegend.QUANTILE_INTERVALS:
|
283 |
intervalArray = calculateQuantileIntervals(featureStore, numIntervalos, |
284 |
minValue, maxValue, fieldName); |
285 |
|
286 |
break;
|
287 |
} |
288 |
// recordSet.stop();
|
289 |
return intervalArray;
|
290 |
} |
291 |
|
292 |
|
293 |
/**
|
294 |
* EQUAL INTERVAL Devuelve un Array con el n?mero de intervalos que se
|
295 |
* quieren crear. Los intervalos se crean con un tama?o igual entre ellos.
|
296 |
* @param numIntervals n?mero de intervalos
|
297 |
* @param minValue Valor m?nimo.
|
298 |
* @param maxValue Valor m?ximo.
|
299 |
* @param fieldName Nombre del campo
|
300 |
*
|
301 |
* @return Array con los intervalos.
|
302 |
*/
|
303 |
private FInterval[] calculateEqualIntervals(int numIntervals, double minValue, |
304 |
double maxValue, String fieldName) { |
305 |
FInterval[] theIntervalArray = new FInterval[numIntervals]; |
306 |
double step = (maxValue - minValue) / numIntervals;
|
307 |
|
308 |
if (numIntervals > 1) { |
309 |
theIntervalArray[0] = new FInterval(minValue, minValue + step); |
310 |
|
311 |
for (int i = 1; i < (numIntervals - 1); i++) { |
312 |
theIntervalArray[i] = new FInterval(minValue + (i * step) +
|
313 |
0.01, minValue + ((i + 1) * step)); |
314 |
} |
315 |
|
316 |
theIntervalArray[numIntervals - 1] = new FInterval(minValue + |
317 |
((numIntervals - 1) * step) + 0.01, maxValue); |
318 |
} else {
|
319 |
theIntervalArray[0] = new FInterval(minValue, maxValue); |
320 |
} |
321 |
|
322 |
return theIntervalArray;
|
323 |
} |
324 |
|
325 |
/**
|
326 |
* NATURAL INTERVAL Devuelve un Array con el n?mero de intervalos que se
|
327 |
* quieren crear. Los intervalos se distribuyen de forma natural.
|
328 |
*
|
329 |
* @param numIntervals n?mero de intervalos
|
330 |
* @param minValue Valor m?nimo.
|
331 |
* @param maxValue Valor m?ximo.
|
332 |
* @param fieldName Nombre del campo
|
333 |
*
|
334 |
* @return Array con los intervalos.
|
335 |
* @throws LegendLayerException
|
336 |
*/
|
337 |
private FInterval[] calculateNaturalIntervals(FeatureStore featureStore, int numIntervals, double minValue, |
338 |
double maxValue, String fieldName) throws LegendLayerException { |
339 |
NaturalIntervalGenerator intervalGenerator = new NaturalIntervalGenerator(
|
340 |
featureStore, fieldName, numIntervals); |
341 |
|
342 |
try {
|
343 |
intervalGenerator.generarIntervalos(); |
344 |
} catch (ReadException e) {
|
345 |
throw new LegendLayerException(Messages.getString("failed_calculating_intervals"), e); |
346 |
} |
347 |
|
348 |
int numIntervalsGen = intervalGenerator.getNumIntervals() - 1; |
349 |
|
350 |
if (numIntervalsGen == -1) { |
351 |
//TODO cuando no puede calcular los intervalos.
|
352 |
numIntervalsGen = 1;
|
353 |
} |
354 |
|
355 |
FInterval[] theIntervalArray = new FInterval[numIntervalsGen]; |
356 |
|
357 |
if (numIntervalsGen > 1) { |
358 |
theIntervalArray[0] = new FInterval(minValue, |
359 |
intervalGenerator.getValorRuptura(0));
|
360 |
|
361 |
for (int i = 1; i < (numIntervalsGen - 1); i++) { |
362 |
theIntervalArray[i] = new FInterval(intervalGenerator.getValInit(i -
|
363 |
1), intervalGenerator.getValorRuptura(i));
|
364 |
} |
365 |
|
366 |
theIntervalArray[numIntervalsGen - 1] = new FInterval(intervalGenerator.getValInit(numIntervalsGen - |
367 |
2), maxValue);
|
368 |
} else {
|
369 |
theIntervalArray[numIntervalsGen - 1] = new FInterval(minValue, |
370 |
maxValue); |
371 |
} |
372 |
|
373 |
return theIntervalArray;
|
374 |
} |
375 |
|
376 |
/**
|
377 |
* QUANTILE INTERVAL Devuelve un Array con el n?mero de intervalos que se
|
378 |
* quieren crear. Los intervalos se distribuyen de forma quantile.
|
379 |
* @param recordSet
|
380 |
*
|
381 |
* @param numIntervals n?mero de intervalos
|
382 |
* @param minValue Valor m?nimo.
|
383 |
* @param maxValue Valor m?ximo.
|
384 |
* @param fieldName Nombre del campo
|
385 |
*
|
386 |
* @return Array con los intervalos.
|
387 |
* @throws LegendLayerException
|
388 |
*/
|
389 |
private FInterval[] calculateQuantileIntervals(FeatureStore featureStore, int numIntervals, double minValue, |
390 |
double maxValue, String fieldName) throws LegendLayerException { |
391 |
QuantileIntervalGenerator intervalGenerator = new QuantileIntervalGenerator(
|
392 |
featureStore, fieldName, numIntervals); |
393 |
|
394 |
try {
|
395 |
intervalGenerator.generarIntervalos(); |
396 |
} catch (ReadException e) {
|
397 |
throw new LegendLayerException(Messages.getString("failed_calculating_intervals"), e); |
398 |
} |
399 |
|
400 |
int numIntervalsGen = intervalGenerator.getNumIntervalGen();
|
401 |
FInterval[] theIntervalArray = new FInterval[numIntervalsGen]; |
402 |
|
403 |
if (intervalGenerator.getNumIntervalGen() > 1) { |
404 |
theIntervalArray[0] = new FInterval(minValue, |
405 |
intervalGenerator.getValRuptura(0));
|
406 |
|
407 |
for (int i = 1; i < (numIntervalsGen - 1); i++) { |
408 |
theIntervalArray[i] = new FInterval(intervalGenerator.getValInit(i -
|
409 |
1), intervalGenerator.getValRuptura(i));
|
410 |
} |
411 |
|
412 |
theIntervalArray[numIntervalsGen - 1] = new FInterval(intervalGenerator.getValInit(numIntervalsGen - |
413 |
2), maxValue);
|
414 |
} else {
|
415 |
theIntervalArray[numIntervalsGen - 1] = new FInterval(minValue, |
416 |
maxValue); |
417 |
} |
418 |
|
419 |
return theIntervalArray;
|
420 |
} |
421 |
|
422 |
public ISymbol getSymbolByInterval(IInterval key) {
|
423 |
|
424 |
if (key == null){ |
425 |
if (isUseDefaultSymbol())
|
426 |
return defaultSymbol;
|
427 |
return null; |
428 |
} |
429 |
if (symbols.containsKey(key)) {
|
430 |
return (ISymbol) symbols.get(key);
|
431 |
} |
432 |
|
433 |
if (isUseDefaultSymbol())
|
434 |
return defaultSymbol;
|
435 |
|
436 |
return null; |
437 |
} |
438 |
|
439 |
|
440 |
public String[] getDescriptions() { |
441 |
String[] descriptions = new String[symbols.size()]; |
442 |
ISymbol[] auxSym = getSymbols();
|
443 |
|
444 |
for (int i = 0; i < descriptions.length; i++) |
445 |
descriptions[i] = auxSym[i].getDescription(); |
446 |
|
447 |
return descriptions;
|
448 |
} |
449 |
|
450 |
|
451 |
public Object[] getValues() { |
452 |
return symbols.keySet().toArray();
|
453 |
} |
454 |
|
455 |
public void clear() { |
456 |
index = 0;
|
457 |
keys.clear(); |
458 |
symbols.clear(); |
459 |
} |
460 |
|
461 |
public ISymbol[] getSymbols() { |
462 |
return (ISymbol[]) symbols.values().toArray(new ISymbol[0]); |
463 |
} |
464 |
|
465 |
public String[] getClassifyingFieldNames() { |
466 |
return fieldNames;
|
467 |
} |
468 |
|
469 |
public void setDefaultSymbol(ISymbol s) { |
470 |
ISymbol old = defaultSymbol; |
471 |
if (s == null) throw new NullPointerException("Default symbol cannot be null"); |
472 |
defaultSymbol = s; |
473 |
fireDefaultSymbolChangedEvent(new SymbolLegendEvent(old, defaultSymbol));
|
474 |
} |
475 |
|
476 |
public void setClassifyingFieldNames(String[] fieldNames) { |
477 |
this.fieldNames = fieldNames;
|
478 |
} |
479 |
|
480 |
public ISymbol getDefaultSymbol() {
|
481 |
NullIntervalValue niv=new NullIntervalValue();
|
482 |
if (symbols.containsKey(niv))
|
483 |
return (ISymbol)symbols.get(niv);
|
484 |
|
485 |
if(defaultSymbol==null) |
486 |
defaultSymbol=SymbologyFactory.createDefaultSymbolByShapeType(shapeType); |
487 |
return defaultSymbol;
|
488 |
} |
489 |
|
490 |
|
491 |
|
492 |
public void setFeatureStore(FeatureStore featureStore) |
493 |
throws ReadException {
|
494 |
/*
|
495 |
* when we move definitely to feature iterators this
|
496 |
* method
|
497 |
*/
|
498 |
this.featureStore = featureStore;
|
499 |
// ds.start();
|
500 |
fieldId = ((FeatureType)featureStore.getFeatureTypes().get(0)).getIndex(fieldNames[0]); |
501 |
// ds.stop();
|
502 |
} |
503 |
|
504 |
|
505 |
public IInterval getInterval(Object v) { |
506 |
for (int i = 0; i < keys.size(); i++) { |
507 |
if (((IInterval) keys.get(i)).isInInterval(v)) {
|
508 |
return (IInterval) keys.get(i);
|
509 |
} |
510 |
} |
511 |
|
512 |
return null; |
513 |
} |
514 |
|
515 |
public void setIntervalType(int intervalType) { |
516 |
this.intervalType = intervalType;
|
517 |
} |
518 |
|
519 |
|
520 |
public int getIntervalType() { |
521 |
return intervalType;
|
522 |
} |
523 |
|
524 |
public void useDefaultSymbol(boolean b) { |
525 |
useDefaultSymbol = b; |
526 |
} |
527 |
|
528 |
|
529 |
public boolean isUseDefaultSymbol() { |
530 |
return useDefaultSymbol;
|
531 |
} |
532 |
|
533 |
|
534 |
public void delSymbol(Object obj) { |
535 |
keys.remove(obj); |
536 |
symbols.remove(obj); |
537 |
fireClassifiedSymbolChangeEvent( |
538 |
new SymbolLegendEvent(
|
539 |
(ISymbol)symbols.remove(obj), |
540 |
null));
|
541 |
} |
542 |
|
543 |
|
544 |
public void replace(ISymbol oldSymbol, ISymbol newSymbol) { |
545 |
if (symbols.containsValue(oldSymbol)) {
|
546 |
Iterator it = symbols.keySet().iterator();
|
547 |
while (it.hasNext()) {
|
548 |
Object key = it.next();
|
549 |
if (symbols.get(key).equals(oldSymbol)) {
|
550 |
symbols.remove(key); |
551 |
symbols.put(key, newSymbol); |
552 |
fireClassifiedSymbolChangeEvent( |
553 |
new SymbolLegendEvent(oldSymbol, newSymbol));
|
554 |
} |
555 |
} |
556 |
} |
557 |
} |
558 |
} |