Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ChartExportHelper.java @ 7607:ef99781bcec7

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(issue1667) Remove duplicate points in the same series in Diagram CSV export
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 27 Nov 2013 18:50:21 +0100
parents 491b645123b6
children 9509359c8db8
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import com.lowagie.text.Document;
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12 import com.lowagie.text.DocumentException;
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13 import com.lowagie.text.PageSize;
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14 import com.lowagie.text.Rectangle;
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15
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16 import com.lowagie.text.pdf.PdfContentByte;
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17 import com.lowagie.text.pdf.PdfTemplate;
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18 import com.lowagie.text.pdf.PdfWriter;
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19
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20 import java.awt.Graphics2D;
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21 import java.awt.Transparency;
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22
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23 import java.awt.geom.Rectangle2D.Double;
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24
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25 import java.awt.geom.Rectangle2D;
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26
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27 import java.io.IOException;
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28 import java.io.OutputStream;
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29 import java.io.OutputStreamWriter;
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30 import java.io.UnsupportedEncodingException;
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31
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32 import java.text.NumberFormat;
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33
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34 import org.jfree.chart.ChartRenderingInfo;
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35
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36 import javax.imageio.ImageIO;
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37
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38 import au.com.bytecode.opencsv.CSVWriter;
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39
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40 import org.apache.batik.svggen.SVGGraphics2D;
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41 import org.apache.batik.svggen.SVGGraphics2DIOException;
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42
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43 import org.apache.log4j.Logger;
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44
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45 import org.jfree.chart.JFreeChart;
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46 import org.jfree.chart.plot.XYPlot;
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47 import org.jfree.data.xy.XYDataset;
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48
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49 import org.dive4elements.artifacts.CallContext;
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50
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51 import org.dive4elements.artifacts.common.utils.XMLUtils;
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52
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53 import org.dive4elements.river.utils.Formatter;
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54
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55
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56 /**
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57 * This class is a helper class which supports some methods to export charts
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58 * into specific formats.
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59 *
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60 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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61 */
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62 public class ChartExportHelper {
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63
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64 public static final String FORMAT_PNG = "png";
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65
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66 public static final String FORMAT_PDF = "pdf";
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67
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68 public static final String FORMAT_SVG = "svg";
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69
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70 public static final String FORMAT_CSV = "csv";
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71
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72 /**
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73 * Constant field to define A4 as default page size.
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74 */
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75 public static final String DEFAULT_PAGE_SIZE = "A4";
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76
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77 /**
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78 * Constant field to define UTF-8 as default encoding.
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79 */
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80 public static final String DEFAULT_ENCODING = "UTF-8";
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81
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82 /** The default separator for the CSV export. */
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83 public static final char DEFAULT_CSV_SEPARATOR = ';';
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84
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85
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86 /**
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87 * Logger used for logging with log4j.
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88 */
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89 private static Logger log = Logger.getLogger(ChartExportHelper.class);
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90
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91
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92 /**
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93 * A method to export a <code>JFreeChart</code> as image to an
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94 * <code>OutputStream</code> with a given format, width and height.
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95 *
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96 * @param out OutputStream
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97 * @param chart JFreeChart object to be exported.
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98 * @param cc context, in which e.g. size is stored.
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99 *
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100 * @throws IOException if writing image to OutputStream failed.
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101 */
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102 public static void exportImage(
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103 OutputStream out,
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104 JFreeChart chart,
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105 CallContext cc
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106 )
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107 throws IOException
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108 {
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109 log.info("export chart as png");
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110
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111 ChartRenderingInfo info = new ChartRenderingInfo();
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112
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113 String format = (String) cc.getContextValue("chart.image.format");
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114
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115 int[] size = getSize(cc);
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116
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117 ImageIO.write(
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118 chart.createBufferedImage(
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119 size[0], size[1], Transparency.BITMASK, info
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120 ),
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121 format,
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122 out
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123 );
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124 }
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125
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126
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127 /**
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128 * A method to export a <code>JFreeChart</code> as SVG to an
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129 * <code>OutputStream</code>.
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130 *
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131 * @param out OutputStream
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132 * @param chart JFreeChart to be exported
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133 * @param context The CallContext object that contains extra chart
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134 * parameters.
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135 */
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136 public static void exportSVG(
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137 OutputStream out,
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138 JFreeChart chart,
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139 CallContext context
152
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140 ) {
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141 String encoding = (String) context.getContextValue("chart.encoding");
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142
152
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143 log.info("export chart as svg");
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144
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145 if (encoding == null)
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146 encoding = DEFAULT_ENCODING;
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147
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148 org.w3c.dom.Document document = XMLUtils.newDocument();
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149 SVGGraphics2D graphics = new SVGGraphics2D(document);
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150
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151 int[] size = getSize(context);
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152
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153 ChartRenderingInfo info = new ChartRenderingInfo();
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154
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155 chart.draw(graphics, new Rectangle2D.Double(0.0D, 0.0D,size[0],size[1]), info);
152
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156
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157 try {
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158 graphics.stream(new OutputStreamWriter(out, encoding));
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159 }
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160 catch (SVGGraphics2DIOException svge) {
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161 log.error("Error while writing svg export to output stream.", svge);
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162 }
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163 catch (UnsupportedEncodingException uee) {
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164 log.error("Unsupported encoding: " + encoding, uee);
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165 }
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166 }
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167
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168
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169 /**
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170 * A method to export a <code>JFreeChart</code> as PDF to an
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171 * <code>OutputStream</code>.
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172 *
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173 * @param out OutputStream
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174 * @param chart JFreeChart
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175 */
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176 public static void exportPDF(
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177 OutputStream out,
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178 JFreeChart chart,
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179 CallContext cc
152
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180 ) {
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181 log.info("export chart as pdf.");
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182
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183 String pageFormat = (String) cc.getContextValue("chart.page.format");
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184
152
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185 if (pageFormat == null)
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186 pageFormat = DEFAULT_PAGE_SIZE;
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187
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188 // Max size of the chart.
152
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189 Rectangle page = PageSize.getRectangle(pageFormat);
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190 float pageWidth = page.getWidth();
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191 float pageHeight = page.getHeight();
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192
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4ac581062c40 Fix various documentation issues.
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193 // The chart width.
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194 int[] size = getSize(cc);
152
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195
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196 boolean landscape = size[0] > size[1];
152
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197
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198 float width = 0;
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199 float height = 0;
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200 if (landscape) {
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201 width = pageHeight;
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202 height = pageWidth;
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203 }
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204 else {
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205 width = pageWidth;
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206 height = pageHeight;
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207 }
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208
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209 float marginLeft = (Float) cc.getContextValue(
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210 "chart.marginLeft");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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211
5966a20fc72c Enabled support for PDF and SVG chart exports.
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212 float marginRight = (Float) cc.getContextValue(
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213 "chart.marginRight");
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214
5966a20fc72c Enabled support for PDF and SVG chart exports.
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215 float marginTop = (Float) cc.getContextValue(
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216 "chart.marginTop");
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217
5966a20fc72c Enabled support for PDF and SVG chart exports.
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218 float marginBottom = (Float) cc.getContextValue(
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219 "chart.marginBottom");
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220
152
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221 float spaceX = width - marginLeft - marginRight;
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222 if (size[0] > spaceX) {
152
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223 log.warn("Width of the chart is too big for pdf -> resize it now.");
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224 double ratio = ((double)spaceX) / size[0];
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225 size[0] *= ratio;
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226 size[1] *= ratio;
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227 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152
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228 }
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diff changeset
229
956445dd601d Added a helper class to export charts.
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230 float spaceY = height - marginTop - marginBottom;
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231 if (size[1] > spaceY) {
152
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232 log.warn("Height of the chart is too big for pdf -> resize it now.");
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233 double ratio = ((double)spaceY) / size[1];
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234 size[0] *= ratio;
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235 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
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236 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152
956445dd601d Added a helper class to export charts.
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237 }
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238
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diff changeset
239 Document document = null;
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240 if (landscape) {
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241 document = new Document(page.rotate());
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242 log.debug("Create landscape pdf.");
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243 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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244 else
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245 document = new Document(page);
956445dd601d Added a helper class to export charts.
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246
956445dd601d Added a helper class to export charts.
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diff changeset
247 try {
956445dd601d Added a helper class to export charts.
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248 PdfWriter writer = PdfWriter.getInstance(document, out);
956445dd601d Added a helper class to export charts.
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249
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250 document.addSubject(chart.getTitle().getText());
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251 document.addCreationDate();
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252 document.open();
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diff changeset
253
956445dd601d Added a helper class to export charts.
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diff changeset
254 PdfContentByte content = writer.getDirectContent();
956445dd601d Added a helper class to export charts.
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diff changeset
255
956445dd601d Added a helper class to export charts.
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diff changeset
256 PdfTemplate template = content.createTemplate(width, height);
956445dd601d Added a helper class to export charts.
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diff changeset
257 Graphics2D graphics = template.createGraphics(width, height);
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diff changeset
258
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diff changeset
259 double[] origin = getCenteredAnchor(
956445dd601d Added a helper class to export charts.
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260 marginLeft, marginRight, marginBottom, marginTop,
956445dd601d Added a helper class to export charts.
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diff changeset
261 width, height,
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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262 size[0], size[1]);
152
956445dd601d Added a helper class to export charts.
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diff changeset
263
956445dd601d Added a helper class to export charts.
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diff changeset
264 Rectangle2D area = new Rectangle2D.Double(
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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265 origin[0], origin[1], size[0], size[1]);
152
956445dd601d Added a helper class to export charts.
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diff changeset
266
2160
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
267 ChartRenderingInfo info = new ChartRenderingInfo();
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
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diff changeset
268
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diff changeset
269 chart.draw(graphics, area, info);
152
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270 graphics.dispose();
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diff changeset
271 content.addTemplate(template, 0f, 0f);
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diff changeset
272 }
956445dd601d Added a helper class to export charts.
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diff changeset
273 catch (DocumentException de) {
956445dd601d Added a helper class to export charts.
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diff changeset
274 log.error("Error while exporting chart to pdf.", de);
956445dd601d Added a helper class to export charts.
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diff changeset
275 }
956445dd601d Added a helper class to export charts.
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diff changeset
276 finally {
956445dd601d Added a helper class to export charts.
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277 document.close();
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diff changeset
278 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
279 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
280
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
281
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
282 /**
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
283 * A method to export a CSV file to an
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
284 * <code>OutputStream</code>.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
285 *
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
286 * @param out OutputStream
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
287 * @param chart JFreeChart containing the data.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
288 * @param context The CallContext object that contains extra parameters.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
289 */
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
290 public static void exportCSV(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
291 OutputStream out,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
292 JFreeChart chart,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
293 CallContext context)
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
294 {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
295 log.debug("export chart as CSV");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
296 CSVWriter writer = null;
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
297 try {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
298 writer = new CSVWriter(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
299 new OutputStreamWriter(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
300 out,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
301 DEFAULT_ENCODING),
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
302 DEFAULT_CSV_SEPARATOR);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
303 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
304 catch(UnsupportedEncodingException uee) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
305 log.warn("Wrong encoding for CSV export.");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
306 return;
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
307 }
7047
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
308
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
309 NumberFormat format = Formatter.getCSVFormatter(context);
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
310
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
311 XYPlot plot = chart.getXYPlot();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
312 int count = plot.getDatasetCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
313 for (int i = 0; i < count; i++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
314 XYDataset data = plot.getDataset(i);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
315 int scount = data.getSeriesCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
316 for (int j = 0; j < scount; j++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
317 Comparable seriesKey = data.getSeriesKey(j);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
318 log.debug("series key: " + seriesKey.toString());
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
319 writeCSVHeader(writer, seriesKey.toString());
7047
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
320 writeCSVData(writer, data, format);
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
321 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
322 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
323 try {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
324 writer.close();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
325 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
326 catch(IOException ioe) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
327 log.error("Writing CSV export failed!");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
328 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
329 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
330
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
331
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
332 protected static void writeCSVHeader(CSVWriter writer, String key) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
333 writer.writeNext(new String[] {"#"});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
334 writer.writeNext(new String[] {"# " + key});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
335 writer.writeNext(new String[] {"#"});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
336 writer.writeNext(new String[] {"X", "Y"});
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
337 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
338
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
339
7047
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
340 /** Get x/y data from axis set and write it, on pair per line. */
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
341 protected static void writeCSVData(
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
342 CSVWriter writer, XYDataset data, NumberFormat format) {
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
343 int series = data.getSeriesCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
344 for (int i = 0; i < series; i++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
345 int items = data.getItemCount(i);
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
346 double lastX = java.lang.Double.MAX_VALUE;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
347 double lastY = java.lang.Double.MAX_VALUE;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
348
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
349 for (int j = 0; j < items; j++) {
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
350 Number x = data.getX(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
351 Number y = data.getY(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
352 double xVal = data.getXValue(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
353 double yVal = data.getYValue(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
354
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
355 if (lastX == xVal && lastY == yVal) {
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
356 // comparing equality is ok here as we want
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
357 // to find data duplicates like they are added
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
358 // for example by the StyledSeriesBuilder in
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
359 // addStepPointsKmQ
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
360 log.debug("removing duplicate point in series");
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
361 continue;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
362 }
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
363 lastX = xVal;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
364 lastY = yVal;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
365
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
366 log.debug("write data: " + x + ", " + y);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
367
7151
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
368
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
369 /*
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
370 // Skip (NaN,NaN) datapoints.
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
371 if (java.lang.Double.isNaN(data.getYValue(i,j))
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
372 && java.lang.Double.isNaN(data.getXValue(i,j))) {
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
373 continue;
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
374 }
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
375 */
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
376
7094
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
377 String xString;
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
378 String yString;
7151
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
379
7046
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
380 try {
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
381 xString = java.lang.Double.isNaN(xVal)
7151
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
382 ? ""
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
383 : format.format(x);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
384 yString = java.lang.Double.isNaN(yVal)
7095
bdadffad35b1 issue1493: Don't let NaNs slip through csv export.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7094
diff changeset
385 ? ""
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
386 : format.format(y);
7046
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
387 }
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
388 catch (NumberFormatException nfe) {
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
389 xString = x.toString();
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
390 yString = y.toString();
7046
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
391 }
7094
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
392 writer.writeNext(new String[] {
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
393 xString,
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
394 yString});
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
395 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
396 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
397 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
398
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
399
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
400 public static int[] getSize(CallContext cc) {
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
401 int[] size = new int[2];
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
402
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
403 size[0] = (Integer) cc.getContextValue("chart.width");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
404 size[1] = (Integer) cc.getContextValue("chart.height");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
405
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
406 return size;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
407 }
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
408
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
409
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
410 /**
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
411 * This method returns the anchor of the chart so that the chart is centered
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
412 * according to the given parameters.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
413 *
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
414 * @param mLeft Left margin
956445dd601d Added a helper class to export charts.
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415 * @param mRight Right margin
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416 * @param mBottom Bottom margin
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417 * @param mTop Top margin
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418 * @param width The complete width of the drawing area.
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419 * @param height The complete height of the drawing area.
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420 * @param chartWidth The width of the chart.
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421 * @param chartHeight The height of the chart.
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422 *
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423 * @return an array that contains the anchor for a chart with the given
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424 * parameters. The first value is the x point, the second value is the y
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425 * point.
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426 */
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427 public static double[] getCenteredAnchor(
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428 double mLeft, double mRight, double mBottom, double mTop,
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429 double width, double height,
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430 double chartWidth, double chartHeight
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431 ) {
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432 if (log.isDebugEnabled()) {
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433 log.debug("Calculate centered origin...");
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434 log.debug("-> PDF width : " + width);
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435 log.debug("-> PDF height : " + height);
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436 log.debug("-> Chart width : " + chartWidth);
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437 log.debug("-> Chart height : " + chartHeight);
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438 log.debug("-> margin left : " + mLeft);
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439 log.debug("-> margin right : " + mRight);
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440 log.debug("-> margin bottom: " + mBottom);
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441 log.debug("-> margin top : " + mTop);
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442 }
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443
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444 double[] origin = new double[2];
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445
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446 double centerX = width / 2;
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447 double centerY = height / 2;
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448
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449 origin[0] = centerX - chartWidth / 2;
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450 origin[1] = centerY - chartHeight / 2;
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451
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452 origin[0] = origin[0] >= mLeft ? origin[0] : mLeft;
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453 origin[1] = origin[1] >= mTop ? origin[1] : mTop;
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454
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455 if (log.isDebugEnabled()) {
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456 log.debug("==> centered left origin: " + origin[0]);
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457 log.debug("==> centered top origin: " + origin[1]);
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458 }
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459
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460 return origin;
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461 }
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462 }
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463 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org