Mercurial > dive4elements > gnv-client
diff gnv-artifacts/ChangeLog @ 1055:bb2679624c6a
Implemented a new histogram dataset that takes the width of a single bin as well as the number of bins for the histogram (issue288).
gnv-artifacts/trunk@1130 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 27 May 2010 07:41:14 +0000 |
| parents | 8430269ec73b |
| children | 0318fda0001e |
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--- a/gnv-artifacts/ChangeLog Wed May 26 17:01:29 2010 +0000 +++ b/gnv-artifacts/ChangeLog Thu May 27 07:41:14 2010 +0000 @@ -1,3 +1,21 @@ +2010-05-27 Ingo Weinzierl <ingo.weinzierl@intevation.de> + + Issue288 + + * src/main/java/de/intevation/gnv/chart/DefaultHistogram.java: Use + AdvancedHistogramDataset as dataset for histograms instead of JFreeChart's + HistogramDataset. Adjusted the calculation of bin width and number of bins + for this. + + * src/main/java/de/intevation/gnv/chart/AdvancedHistogramDataset.java: This + class is mainly a copy of JFreeChart's class HistogramDataset. The + difference between these two classes is, that AdvancedHistogramDataset + takes an argument for setting the bin width as well as an argument to + adjust the number of bins - HistogramDataset just takes the number of + bins. The reason why AdvancedHistogramDataset doesn't inherit from + HistogramDataset is, that basic attributes of that class have private + access. + 2010-05-26 Ingo Weinzierl <ingo.weinzierl@intevation.de> Issue289