Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/exports/StyledSeriesBuilder.java @ 2601:9e8459c2e7d4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix flys/issue491 (areas over axis stop at zero). flys-artifacts/trunk@4178 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 22 Mar 2012 10:56:20 +0000
parents 63f44b8b41a3
children 6fda6ec9e426
comparison
equal deleted inserted replaced
2600:3f1cc396d253 2601:9e8459c2e7d4
4 4
5 import org.jfree.data.xy.XYSeries; 5 import org.jfree.data.xy.XYSeries;
6 6
7 import de.intevation.flys.artifacts.model.WKms; 7 import de.intevation.flys.artifacts.model.WKms;
8 import de.intevation.flys.artifacts.model.WQKms; 8 import de.intevation.flys.artifacts.model.WQKms;
9 import de.intevation.flys.artifacts.model.WWQQ;
9 10
10 /** 11 /**
11 * Helper to create and modify StyledXYSeries. 12 * Helper to create and modify StyledXYSeries.
12 */ 13 */
13 public class StyledSeriesBuilder { 14 public class StyledSeriesBuilder {
15
16 /**
17 * JFreeChart and the area calculation will fail if we use Double.INFINITY
18 * or Double.MAX_VALUE (probably because these are really used in
19 * calculations). We define and use a more handy value instead.
20 */
21 final static double BIG_DOUBLE_VALUE = 1234567d;
14 22
15 private static final Logger logger = Logger.getLogger 23 private static final Logger logger = Logger.getLogger
16 (StyledSeriesBuilder.class); 24 (StyledSeriesBuilder.class);
17 25
18 26
99 107
100 for (int i = 0; i < size; i++) { 108 for (int i = 0; i < size; i++) {
101 series.add(wqkms.getQ(i), wqkms.getW(i)); 109 series.add(wqkms.getQ(i), wqkms.getW(i));
102 } 110 }
103 } 111 }
112
113
114 /**
115 * Add points to series (q to 1st dim, w to 2nd dim).
116 *
117 * @param series Series to add points to.
118 * @param points Points to add to series.
119 */
120 public static void addPoints(XYSeries series, WWQQ wwqq) {
121 if (wwqq == null) {
122 return;
123 }
124
125 int size = wwqq.size();
126
127 for (int i = 0; i < size; i++) {
128 series.add(wwqq.getW1(i), wwqq.getW2(i));
129 }
130 }
131
132
133 /**
134 * Create a Series such that an infinitely big area can be filled
135 * between the newly created and the given series.
136 */
137 public static XYSeries createGroundAtInfinity(XYSeries series) {
138 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
139 ground.add(series.getMinX(), -BIG_DOUBLE_VALUE);
140 ground.add(series.getMaxX(), -BIG_DOUBLE_VALUE);
141 return ground;
142 }
143
144
145 /**
146 * Create a Series such that an infinitely big area can be filled
147 * between the newly created and the given series.
148 */
149 public static XYSeries createCeilingAtInfinity(XYSeries series) {
150 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
151 ground.add(series.getMinX(), BIG_DOUBLE_VALUE);
152 ground.add(series.getMaxX(), BIG_DOUBLE_VALUE);
153 return ground;
154 }
104 } 155 }
105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : 156 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org