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> |
|---|---|
| date | Wed, 21 Apr 2010 10:35:04 +0000 |
| parents | 8b6ef091d38c |
| children | 778d86255d76 |
comparison
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| 848:47280aff0eb7 | 849:38c8cc586a85 |
|---|---|
| 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); |