Mercurial > dive4elements > gnv-client
diff gnv-artifacts/ChangeLog @ 448:3cb2bea50456
Generate iso line classes according gnv-issues/issue108
gnv-artifacts/trunk@496 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Sun, 03 Jan 2010 12:16:55 +0000 |
parents | 92b7ccbf6163 |
children | c7ca2fce041f |
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--- a/gnv-artifacts/ChangeLog Fri Jan 01 21:52:41 2010 +0000 +++ b/gnv-artifacts/ChangeLog Sun Jan 03 12:16:55 2010 +0000 @@ -1,15 +1,53 @@ +2010-01-03 Sascha L. Teichmann <sascha.teichmann@intevation.de> + + * src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionOutputState.java: + Generate iso line classes according gnv-issues/issue108: + + - If there are more than nine colors used in the chart + only the borders of the regions are traced. + - If there are less than ten colors each color region + is devided into two sub regions. + - If there are less than five colors each color region + is devided into five sub regions. + + Generate attribute per iso line class with the parameter value + of the iso line. + + * src/main/java/de/intevation/gnv/raster/IsoPolygonSeriesProducer.java: + Renamed inner interface from LabelGenerator to AttributeGenerator to + reflect the fact that the concrete label generation is a matter + of i18n too. The concrete label generation should be done when + the final chart is going to be created. TODO: Add + a JFreeChart style label generator to PolygonRenderer + + * src/main/java/de/intevation/gnv/raster/IsoAttributeGenerator.java: + New. Implements the AttributeGenerator interface. It takes + the indices of the neighboring regions, uses these values + to look into the iso palette and averages the parameter values + at the touching borders. This should help in cases where + two regions are neighbored in the chart which are not neighbored + in the palette which may happen by quantification artifacts. + + * src/main/java/de/intevation/gnv/raster/Palette.java: Added + getters to 'from' and 'to' fields. + + * src/main/java/de/intevation/gnv/math/XYColumn.java: Fixed + another silly bug with adding values at surface and ground. + + * ChangeLog: Typo fixes + 2010-01-01 Sascha L. Teichmann <sascha.teichmann@intevation.de> * src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionOutputState.java: Generate iso lines by dividing palette ranges in two - parts each and traces them. This shows that the ideas described + parts each and trace them. This shows that the ideas described by K. Jancke in gnv-issues/issue108 are possible not the right way to go. Applying this strategy there would be locally to many isolines if there is a steep gradient. On the other side large areas are splitted in too less sections by too less iso lines. A better way may be a splitting with - a look at the areas and shapes of regions. Large, round areas need - more splits. Long, thin areas need less splits. + a look at the areas and shapes of the regions. Large, round + regions need more splits. Long, thin regions need less. * src/main/java/de/intevation/gnv/raster/IsoPolygonSeriesProducer.java: Stabilized iso line hashing a bit. Added line width to @@ -17,7 +55,8 @@ The according value is stored in "line.width". * src/main/java/de/intevation/gnv/raster/Vectorizer.java: Fixed silly - bug when simplifying lines. This prevented iso line + bug when simplifying lines. This prevented iso lines + from rendering. * src/main/java/de/intevation/gnv/raster/Palette.java: Fixed index issue when generating a divided palette.