Mercurial > dive4elements > gnv-client

comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalCrossSectionChart.java @ 449:c7ca2fce041f

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Add only color to scale of vertical cross section which are in the chart. gnv-artifacts/trunk@497 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 03 Jan 2010 15:57:02 +0000
parents f5a041000357
children 20a480753ff9
comparison
equal deleted inserted replaced
448:3cb2bea50456 449:c7ca2fce041f
3 import java.util.Locale; 3 import java.util.Locale;
4 4
5 import java.awt.Color; 5 import java.awt.Color;
6 import java.awt.Paint; 6 import java.awt.Paint;
7 7
8 import java.util.HashSet;
9
8 import de.intevation.gnv.math.AttributedXYColumns; 10 import de.intevation.gnv.math.AttributedXYColumns;
9 11
10 import de.intevation.gnv.jfreechart.PolygonDataset; 12 import de.intevation.gnv.jfreechart.PolygonDataset;
11 import de.intevation.gnv.jfreechart.PolygonPlot; 13 import de.intevation.gnv.jfreechart.PolygonPlot;
14 import de.intevation.gnv.jfreechart.PolygonSeries;
12 import de.intevation.gnv.jfreechart.PolygonRenderer; 15 import de.intevation.gnv.jfreechart.PolygonRenderer;
13 16
14 import de.intevation.gnv.raster.Palette; 17 import de.intevation.gnv.raster.Palette;
15 18
16 import org.jfree.chart.JFreeChart; 19 import org.jfree.chart.JFreeChart;
80 boolean urls = false; 83 boolean urls = false;
81 84
82 PlotOrientation po = PlotOrientation.HORIZONTAL; 85 PlotOrientation po = PlotOrientation.HORIZONTAL;
83 PolygonDataset data = columns.getPolygonDataset(); 86 PolygonDataset data = columns.getPolygonDataset();
84 87
88 HashSet<Integer> usedColors = new HashSet<Integer>();
89
90 for (int i = data.getSeriesCount()-1; i >= 0; --i) {
91 PolygonSeries ps = data.getSeries(i);
92 Integer fill = (Integer)ps.getAttribute("fill");
93 if (fill != null) {
94 usedColors.add(fill);
95 }
96 }
97
85 PolygonRenderer renderer = new PolygonRenderer( 98 PolygonRenderer renderer = new PolygonRenderer(
86 new PalettePaintLookup(palette)); 99 new PalettePaintLookup(palette));
87 100
88 ValueAxis domainAxis = new NumberAxis(xAxis); 101 ValueAxis domainAxis = new NumberAxis(xAxis);
89 ValueAxis rangeAxis = new NumberAxis(yAxis); 102 ValueAxis rangeAxis = new NumberAxis(yAxis);
93 renderer, 106 renderer,
94 domainAxis, 107 domainAxis,
95 rangeAxis, 108 rangeAxis,
96 null); 109 null);
97 110
111 String [] labels = new String[usedColors.size()];
112
98 int colors = palette.getSize(); 113 int colors = palette.getSize();
99 LookupPaintScale lookupPaint = 114 LookupPaintScale lookupPaint =
100 new LookupPaintScale(-0.5d, colors-0.5d, Color.white); 115 new LookupPaintScale(-0.5d, labels.length-0.5d, Color.white);
101 116
102 Color color = null; 117 Color color = null;
103 118
104 String [] labels = new String[colors]; 119 for (int i = 0, j = labels.length-1; i < colors && j >= 0; i++) {
105 for (int i = 0; i < colors; i++) { 120 if (usedColors.contains(i)) {
106 color = palette.getColor(colors-1-i); 121 Palette.Entry entry = palette.getEntryByIndex(i);
107 labels[i] = palette.getEntryByIndex(colors-1-i).getDescription(); 122 color = entry.getColor();
108 lookupPaint.add(i-0.5d, color); 123 labels[j] = entry.getDescription();
124 lookupPaint.add(j-0.5d, color);
125 --j;
126 }
109 } 127 }
110 128
111 JFreeChart chart = new JFreeChart( 129 JFreeChart chart = new JFreeChart(
112 title, 130 title,
113 JFreeChart.DEFAULT_TITLE_FONT, 131 JFreeChart.DEFAULT_TITLE_FONT,
115 legendB); 133 legendB);
116 134
117 chart.removeLegend(); 135 chart.removeLegend();
118 136
119 SymbolAxis scale = new SymbolAxis("Temperatur", labels); 137 SymbolAxis scale = new SymbolAxis("Temperatur", labels);
120 scale.setRange(-1.5d, colors+0.5d); 138 scale.setRange(-1.5d, labels.length+0.5d);
121 scale.setGridBandsVisible(false); 139 scale.setGridBandsVisible(false);
122 scale.setPlot(plot); 140 scale.setPlot(plot);
123 141
124 PaintScaleLegend legend = new PaintScaleLegend( 142 PaintScaleLegend legend = new PaintScaleLegend(
125 lookupPaint, scale); 143 lookupPaint, scale);
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