Mercurial > dive4elements > river
changeset 7034:557cb3a3d772 generator-refactoring
Combine AxisDataset implementations and remove / simplify handling code.
Tested with longitudinal section and hist. discharges should be
ok.
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Wed, 18 Sep 2013 10:12:47 +0200 (2013-09-18) |
parents | 0d91a6598a89 |
children | 5c6fd2c010dd |
files | artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator.java artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java artifacts/src/main/java/org/dive4elements/river/exports/TimeseriesChartGenerator.java artifacts/src/main/java/org/dive4elements/river/exports/XYChartGenerator.java artifacts/src/main/java/org/dive4elements/river/jfree/AxisDataset.java |
diffstat | 5 files changed, 139 insertions(+), 286 deletions(-) [+] |
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--- a/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator.java Tue Sep 17 16:49:37 2013 +0200 +++ b/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator.java Wed Sep 18 10:12:47 2013 +0200 @@ -30,6 +30,7 @@ import org.dive4elements.river.jfree.Style; import org.dive4elements.river.jfree.StyledAreaSeriesCollection; import org.dive4elements.river.jfree.StyledSeries; +import org.dive4elements.river.jfree.AxisDataset; import org.dive4elements.river.model.River; import org.dive4elements.river.themes.LineStyle; import org.dive4elements.river.themes.TextStyle; @@ -149,26 +150,6 @@ - public interface AxisDataset { - - void addDataset(XYDataset dataset); - - XYDataset[] getDatasets(); - - boolean isEmpty(); - - void setRange(Range range); - - Range getRange(); - - boolean isArea(XYDataset dataset); - - void setPlotAxisIndex(int idx); - - int getPlotAxisIndex(); - - } // end of AxisDataset interface - /**
--- a/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java Tue Sep 17 16:49:37 2013 +0200 +++ b/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java Wed Sep 18 10:12:47 2013 +0200 @@ -30,6 +30,7 @@ import org.dive4elements.river.jfree.Style; import org.dive4elements.river.jfree.StyledAreaSeriesCollection; import org.dive4elements.river.jfree.StyledSeries; +import org.dive4elements.river.jfree.AxisDataset; import org.dive4elements.river.model.River; import org.dive4elements.river.themes.LineStyle; import org.dive4elements.river.themes.TextStyle; @@ -147,30 +148,6 @@ String getId(int idx); } // end of YAxisWalker interface - - - public interface AxisDataset { - - void addDataset(XYDataset dataset); - - XYDataset[] getDatasets(); - - boolean isEmpty(); - - void setRange(Range range); - - Range getRange(); - - boolean isArea(XYDataset dataset); - - void setPlotAxisIndex(int idx); - - int getPlotAxisIndex(); - - } // end of AxisDataset interface - - - /** * Default constructor that initializes internal data structures. */
--- a/artifacts/src/main/java/org/dive4elements/river/exports/TimeseriesChartGenerator.java Tue Sep 17 16:49:37 2013 +0200 +++ b/artifacts/src/main/java/org/dive4elements/river/exports/TimeseriesChartGenerator.java Wed Sep 18 10:12:47 2013 +0200 @@ -16,6 +16,7 @@ import org.dive4elements.river.jfree.RiverAnnotation; import org.dive4elements.river.jfree.StyledTimeSeries; import org.dive4elements.river.jfree.TimeBounds; +import org.dive4elements.river.jfree.AxisDataset; import org.dive4elements.river.themes.ThemeDocument; import java.awt.Color; @@ -60,126 +61,6 @@ public abstract class TimeseriesChartGenerator extends ChartGenerator { - /** - * Inner class TimeseriesAxisDataset stores TimeSeriesCollection. - */ - public class TimeseriesAxisDataset implements AxisDataset { - - protected int axisSymbol; - - protected List<TimeSeriesCollection> datasets; - - protected Range range; - - protected int plotAxisIndex; - - public TimeseriesAxisDataset(int axisSymbol) { - this.axisSymbol = axisSymbol; - this.datasets = new ArrayList<TimeSeriesCollection>(); - } - - - @Override - public void addDataset(XYDataset dataset) { - if (!(dataset instanceof TimeSeriesCollection)) { - logger.warn("Skip non TimeSeriesCollection dataset."); - return; - } - - TimeSeriesCollection tsc = (TimeSeriesCollection) dataset; - - datasets.add(tsc); - mergeRanges(tsc); - } - - - @Override - public XYDataset[] getDatasets() { - return datasets.toArray(new XYDataset[datasets.size()]); - } - - - @Override - public boolean isEmpty() { - return datasets.isEmpty(); - } - - - @Override - public void setRange(Range range) { - this.range = range; - } - - - @Override - public Range getRange() { - return range; - } - - - @Override - public void setPlotAxisIndex(int plotAxisIndex) { - this.plotAxisIndex = plotAxisIndex; - } - - - @Override - public int getPlotAxisIndex() { - return plotAxisIndex; - } - - - @Override - public boolean isArea(XYDataset dataset) { - logger.warn("This AxisDataset doesn't support Areas yet!"); - return false; - } - - - protected void mergeRanges(TimeSeriesCollection dataset) { - logger.debug("Range before merging: " + range); - Range subRange = null; - - // Determine min/max of range axis. - for (int i = 0; i < dataset.getSeriesCount(); i++) { - if (dataset.getSeries(i).getItemCount() == 0) { - continue; - } - double min = Double.MAX_VALUE; - double max = -Double.MAX_VALUE; - TimeSeries series = dataset.getSeries(i); - for (int j = 0; j < series.getItemCount(); j++) { - double tmp = series.getValue(j).doubleValue(); - min = tmp < min ? tmp : min; - max = tmp > max ? tmp : max; - } - if (subRange != null) { - subRange = new Range( - min < subRange.getLowerBound() ? - min : subRange.getLowerBound(), - max > subRange.getUpperBound() ? - max : subRange.getUpperBound()); - } - else { - subRange = new Range(min, max); - } - } - - // Avoid merging NaNs, as they take min/max place forever. - if (subRange == null || - Double.isNaN(subRange.getLowerBound()) || - Double.isNaN(subRange.getUpperBound())) { - return; - } - if (range == null) { - range = subRange; - return; - } - range = Range.combine(range, subRange); - } - - } // end of TimeseriesAxisDataset class - protected List<Marker> domainMarker; protected List<Marker> valueMarker; @@ -389,14 +270,14 @@ /** - * This method creates new instances of TimeseriesAxisDataset. + * This method creates new instances of AxisDataset. * - * @param idx The symbol for the new TimeseriesAxisDataset. + * @param idx The symbol for the new AxisDataset. */ @Override protected AxisDataset createAxisDataset(int idx) { logger.debug("Create a new AxisDataset for index: " + idx); - return new TimeseriesAxisDataset(idx); + return new AxisDataset(idx); }
--- a/artifacts/src/main/java/org/dive4elements/river/exports/XYChartGenerator.java Tue Sep 17 16:49:37 2013 +0200 +++ b/artifacts/src/main/java/org/dive4elements/river/exports/XYChartGenerator.java Wed Sep 18 10:12:47 2013 +0200 @@ -46,6 +46,7 @@ import org.dive4elements.river.jfree.RiverAnnotation; import org.dive4elements.river.jfree.StyledAreaSeriesCollection; import org.dive4elements.river.jfree.StyledXYSeries; +import org.dive4elements.river.jfree.AxisDataset; import org.dive4elements.river.themes.ThemeDocument; @@ -66,115 +67,6 @@ */ public abstract class XYChartGenerator extends ChartGenerator { - public class XYAxisDataset implements AxisDataset { - /** Symbolic integer, but also coding the priority (0 goes first). */ - protected int axisSymbol; - - /** List of assigned datasets (in order). */ - protected List<XYDataset> datasets; - - /** Range to use to include all given datasets. */ - protected Range range; - - /** Index of axis in plot. */ - protected int plotAxisIndex; - - /** Create AxisDataset. */ - public XYAxisDataset(int symb) { - this.axisSymbol = symb; - datasets = new ArrayList<XYDataset>(); - } - - /** Merge (or create given range with range so far (if any). */ - private void mergeRanges(Range subRange) { - // Avoid merging NaNs, as they take min/max place forever. - if (subRange == null || - Double.isNaN(subRange.getLowerBound()) || - Double.isNaN(subRange.getUpperBound())) { - return; - } - if (range == null) { - range = subRange; - return; - } - range = Range.combine(range, subRange); - } - - - /** Add a dataset to internal list for this axis. */ - @Override - public void addDataset(XYDataset dataset) { - datasets.add(dataset); - includeYRange(((XYSeriesCollection) dataset).getSeries(0)); - } - - /** Add a dataset, include its range. */ - public void addDataset(XYSeries series) { - addDataset(new XYSeriesCollection(series)); - } - - - /** Set Range for this axis. */ - @Override - public void setRange(Range range) { - this.range = range; - } - - - /** Get Range for this axis. */ - @Override - public Range getRange() { - return range; - } - - - /** Get Array of Datasets. */ - @Override - public XYDataset[] getDatasets() { - return datasets.toArray(new XYDataset[datasets.size()]); - } - - - /** Add a Dataset that describes an area. */ - public void addArea(StyledAreaSeriesCollection series) { - this.datasets.add(series); - List<?> allSeries = series.getSeries(); - /* We do not include the bounds/ranges, if the area includes - * points at "infinity"/BIG_DOUBLE_VALUE, the charts extents are - * expanded to include these very small/big value. - * This is especially used when showing "area above axis". */ - } - - /** True if to be rendered as area. */ - @Override - public boolean isArea(XYDataset series) { - return (series instanceof StyledAreaSeriesCollection); - } - - /** Adjust range to include given dataset. */ - public void includeYRange(XYSeries dataset) { - mergeRanges(new Range(dataset.getMinY(), dataset.getMaxY())); - } - - /** True if no datasets given. */ - @Override - public boolean isEmpty() { - return this.datasets.isEmpty(); - } - - /** Set the 'real' axis index that this axis is mapped to. */ - @Override - public void setPlotAxisIndex(int axisIndex) { - this.plotAxisIndex = axisIndex; - } - - /** Get the 'real' axis index that this axis is mapped to. */ - @Override - public int getPlotAxisIndex() { - return this.plotAxisIndex; - } - } // class AxisDataset - /** Enumerator over existing axes. */ @Override protected abstract YAxisWalker getYAxisWalker(); @@ -415,8 +307,8 @@ @Override protected AxisDataset createAxisDataset(int idx) { - logger.debug("Create new XYAxisDataset for index: " + idx); - return new XYAxisDataset(idx); + logger.debug("Create new AxisDataset for index: " + idx); + return new AxisDataset(idx); } @@ -481,7 +373,7 @@ return; } - XYAxisDataset axisDataset = (XYAxisDataset) getAxisDataset(index); + AxisDataset axisDataset = (AxisDataset) getAxisDataset(index); if (visible) { axisDataset.addArea(area); @@ -510,13 +402,7 @@ addAxisDataset(new XYSeriesCollection(series), index, visible); - XYAxisDataset axisDataset = (XYAxisDataset) getAxisDataset(index); - - if (!visible) { - // Do this also when not visible to have axis scaled by default such - // that every data-point could be seen (except for annotations). - axisDataset.includeYRange(series); - } + AxisDataset axisDataset = (AxisDataset) getAxisDataset(index); }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/artifacts/src/main/java/org/dive4elements/river/jfree/AxisDataset.java Wed Sep 18 10:12:47 2013 +0200 @@ -0,0 +1,128 @@ +/* Copyright (C) 2013 by Bundesanstalt für Gewässerkunde + * Software engineering by Intevation GmbH + * + * XYDatasethis file is Free Software under the GNU AGPL (>=v3) + * and comes with ABSOLUXYDatasetELY NO WARRANTY! Check out the + * documentation coming with Dive4Elements River for details. + */ + +package org.dive4elements.river.jfree; + +import java.util.List; +import java.util.ArrayList; +import java.lang.Math; + +import org.jfree.data.Range; +import org.jfree.data.RangeInfo; +import org.jfree.data.xy.XYDataset; +import org.jfree.data.xy.XYSeries; +import org.jfree.data.xy.XYSeriesCollection; +import org.jfree.data.time.TimeSeriesCollection; + +import org.apache.log4j.Logger; + +/** + * Axis datasets. + */ +public class AxisDataset +{ + private static Logger logger = Logger.getLogger(AxisDataset.class); + + /** Symbolic integer, but also coding the priority (0 goes first). */ + protected int axisSymbol; + + /** List of assigned datasets (in order). */ + protected List<XYDataset> datasets; + + /** Range to use to include all given datasets. */ + protected Range range; + + /** Index of axis in plot. */ + protected int plotAxisIndex; + + protected boolean rangeDirty; + + /** Create AxisDataset. */ + public AxisDataset(int symb) { + axisSymbol = symb; + datasets = new ArrayList<XYDataset>(); + } + + /** Add a dataset to internal list for this axis. */ + public void addDataset(XYDataset dataset) { + datasets.add(dataset); + rangeDirty = true; + } + + /** Add a dataset. */ + public void addDataset(XYSeries series) { + addDataset(new XYSeriesCollection(series)); + } + + public void setRange(Range val) { + range = val; + } + + /** Get Range for the range axis of this dataset. */ + public Range getRange() { + if (range != null && !rangeDirty) { + return range; + } + /* Calculate the min / max of all series */ + for (XYDataset dataset: datasets) { + Range newRange = null; + if (dataset instanceof StyledAreaSeriesCollection) { + /* We do not include areas in the range calculation because + * they are used with very large / small values to draw areas + * with axis boundaries */ + continue; + } else if (dataset instanceof RangeInfo) { + /* The usual case for most series */ + newRange = ((RangeInfo) dataset).getRangeBounds(false); + } else if (dataset instanceof TimeSeriesCollection) { + /* Lalala <3 Jfreechart's class hirarchy */ + newRange = ((TimeSeriesCollection) dataset).getRangeBounds(false); + } + + /* Now we only expand as we also only add new data */ + if (range == null) { + range = newRange; + } else { + range = Range.combineIgnoringNaN(range, newRange); + } + } + rangeDirty = false; + return range; + } + + /** Get Array of Datasets. */ + public XYDataset[] getDatasets() { + return datasets.toArray(new XYDataset[datasets.size()]); + } + + /** True if to be rendered as area. */ + public boolean isArea(XYDataset series) { + return (series instanceof StyledAreaSeriesCollection); + } + + /** True if no datasets given. */ + public boolean isEmpty() { + return datasets.isEmpty(); + } + + /** Set the 'real' axis index that this axis is mapped to. */ + public void setPlotAxisIndex(int axisIndex) { + plotAxisIndex = axisIndex; + } + + /** Get the 'real' axis index that this axis is mapped to. */ + public int getPlotAxisIndex() { + return plotAxisIndex; + } + + /** Add a Dataset that describes an area. */ + public void addArea(StyledAreaSeriesCollection series) { + addDataset(series); + } + +}