Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/HorizontalProfileChart.java @ 849:38c8cc586a85
Expand the range of a horizontalprofile chart manually if there is only a single data point or more data points with all the same value in this chart (issue233).
gnv-artifacts/trunk@965 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 21 Apr 2010 10:35:04 +0000 |
parents | 8b6ef091d38c |
children | 778d86255d76 |
comparison
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848:47280aff0eb7 | 849:38c8cc586a85 |
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192 localizeRangeAxis(yAxis, locale); | 192 localizeRangeAxis(yAxis, locale); |
193 | 193 |
194 // litte workarround to adjust the max range of axes. | 194 // litte workarround to adjust the max range of axes. |
195 // NumberAxis.setAutoRange(true) doesn't seem to work properly. | 195 // NumberAxis.setAutoRange(true) doesn't seem to work properly. |
196 Range yRange = (Range) ranges.get(seriesKey); | 196 Range yRange = (Range) ranges.get(seriesKey); |
197 yAxis.setRange(Range.expand(yRange, LOWER_MARGIN, UPPER_MARGIN)); | 197 double lo = yRange.getLowerBound(); |
198 double hi = yRange.getUpperBound(); | |
199 | |
200 // XXX Special case: only a single value in this chart. | |
201 // JFreeChart doesn't expand this range, because its length is 0. | |
202 if (lo == hi) { | |
203 yRange = new Range( | |
204 lo - (lo / 100 * LOWER_MARGIN), | |
205 hi + (hi / 100 * UPPER_MARGIN)); | |
206 } | |
207 else { | |
208 yRange = Range.expand(yRange, LOWER_MARGIN, UPPER_MARGIN); | |
209 } | |
210 | |
211 yAxis.setRange(yRange); | |
198 log.debug("Max Range of dataset is: " + yRange.toString()); | 212 log.debug("Max Range of dataset is: " + yRange.toString()); |
199 | 213 |
200 if (seriesKey.contains("richtung")) { | 214 if (seriesKey.contains("richtung")) { |
201 yAxis.setTickUnit(new NumberTickUnit(30.0)); | 215 yAxis.setTickUnit(new NumberTickUnit(30.0)); |
202 yAxis.setUpperBound(360.0); | 216 yAxis.setUpperBound(360.0); |