annotate src/java/de/intevation/mxd/writer/FillStyleWriter.java @ 97:18e4f143896b

Added polygon writer.
author Raimund Renkert <rrenkert@intevation.de>
date Mon, 06 Jun 2011 17:24:43 +0200
parents
children 461ee9193097
rev   line source
97
18e4f143896b Added polygon writer.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
1 package de.intevation.mxd.writer;
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2
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3 import java.io.IOException;
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4 import java.awt.Color;
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5 import org.apache.log4j.Logger;
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6
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7 import org.w3c.dom.Element;
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8 import org.w3c.dom.NodeList;
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9
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10 import edu.umn.gis.mapscript.mapObj;
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11 import edu.umn.gis.mapscript.layerObj;
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Raimund Renkert <rrenkert@intevation.de>
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12 import edu.umn.gis.mapscript.classObj;
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13 import edu.umn.gis.mapscript.styleObj;
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14 import edu.umn.gis.mapscript.colorObj;
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15 import edu.umn.gis.mapscript.symbolObj;
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16 import edu.umn.gis.mapscript.symbolSetObj;
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17 import edu.umn.gis.mapscript.lineObj;
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18 import edu.umn.gis.mapscript.pointObj;
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19
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20
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Raimund Renkert <rrenkert@intevation.de>
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21 /**
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Raimund Renkert <rrenkert@intevation.de>
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22 * The interface to the mapfile writer.
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Raimund Renkert <rrenkert@intevation.de>
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23 *
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24 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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25 */
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26 public class FillStyleWriter {
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27
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28 /**
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29 * The Logger.
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30 */
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31 private static final Logger logger =
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32 Logger.getLogger(FillStyleWriter.class);
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33
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34 private mapObj map;
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35 private classObj cl;
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36 private styleObj style;
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37
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38 public FillStyleWriter (mapObj map, classObj cl) {
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39 logger.debug("contructor(mapObj, classObj)");
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40 this.map = map;
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41 this.cl = cl;
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42 this.style = new styleObj(cl);
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43 }
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44
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45 /**
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46 * Write the content.
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Raimund Renkert <rrenkert@intevation.de>
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47 */
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48 public boolean write(Element symbolElement)
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49 throws Exception {
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50 symbolSetObj symbolSet = map.getSymbolset();
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51
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52 if(symbolElement.hasChildNodes()) {
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53 NodeList symbols = symbolElement.getChildNodes();
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54 for (int i = 0; i < symbols.getLength(); i++) {
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55 Element nextSym = (Element)symbols.item(i);
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56 String type = nextSym.getAttribute("type");
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57
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58 if(((symbols.getLength() > 1 && i == 0) ||
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59 (symbols.getLength() == 1 &&
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60 !symbolElement.hasAttribute("hatch"))) &&
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61 type.equals("line")) {
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62 writeOutline(nextSym);
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63 if (symbols.getLength() == 1) {
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64 writeSimple(symbolElement);
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65 }
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66 }
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67 else if(nextSym.getTagName().equals("symbol") &&
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68 !symbolElement.hasAttribute("hatch") ||
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69 (i == 1 && type.equals("marker"))) {
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70 double gap = 0;
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71 if(symbolElement.hasAttribute("xseparation")) {
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72 gap = Double.parseDouble(
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73 symbolElement.getAttribute("xseparation"));
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74 }
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75 writeMarker(nextSym, gap);
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76 }
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77 else if (nextSym.getTagName().equals("symbol") &&
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78 symbolElement.hasAttribute("hatch")) {
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79 if(symbolElement.hasAttribute("angle")) {
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80 nextSym.setAttribute(
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81 "angle",
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82 symbolElement.getAttribute("angle"));
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83 }
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84 if(symbolElement.hasAttribute("separation")) {
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85 nextSym.setAttribute(
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86 "size",
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87 symbolElement.getAttribute("separation"));
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88 }
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89 writeMarker(nextSym, -1);
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90 }
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91 else {
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92 writeSimple(symbolElement);
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93 }
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94 }
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95 }
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96 else {
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97 writeSimple(symbolElement);
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98 if(symbolElement.hasAttribute("outline_color")) {
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99 Color oCol = Color.decode(
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100 symbolElement.getAttribute("outline_color"));
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Raimund Renkert <rrenkert@intevation.de>
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101 colorObj outlineColor = new colorObj(
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102 oCol.getRed(),
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103 oCol.getGreen(),
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104 oCol.getBlue(),
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105 -4);
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106 style.setOutlinecolor(outlineColor);
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107 style.setOutlinewidth(Double.parseDouble(
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108 symbolElement.getAttribute("outline_size")));
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109 }
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110
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111 }
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112
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113 return true;
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114 }
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115
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116 /**
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117 * Write the outline for a polygon.
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118 */
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119 private void writeOutline(Element symbolElement)
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120 throws Exception {
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121 logger.debug("writeOutline()");
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122 //write transparent outline
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123 colorObj color = new colorObj(-1, -1, -1, -4);
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124
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125 //write new style for the outline
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126 //TODO write further attribute like pattern etc.
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127 Color oCol = Color.decode(
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128 symbolElement.getAttribute("color"));
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129
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130 styleObj outline = new styleObj (cl);
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131
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132 colorObj outlinecolor = new colorObj(
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133 oCol.getRed(),
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134 oCol.getGreen(),
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135 oCol.getBlue(),
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136 -4);
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137 outline.setOutlinecolor(outlinecolor);
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138 outline.setOutlinewidth(Double.parseDouble(
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139 symbolElement.getAttribute("width")));
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140 }
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141
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142 /**
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143 * Write marker attributes and a symbol for the polygon fill.
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144 */
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145 private void writeMarker(Element symbolElement, double gap)
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146 throws Exception {
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147 logger.debug("writeMarker()");
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148 String name = symbolElement.getAttribute("name");
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149 String type = symbolElement.getAttribute("type");
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150 if (symbolElement.hasAttribute("angle")) {
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151 style.setAngle(
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152 Double.parseDouble(symbolElement.getAttribute("angle")));
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153 }
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154 if(symbolElement.hasAttribute("color")) {
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155 String c = symbolElement.getAttribute("color");
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156 Color col = Color.decode(c);
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Raimund Renkert <rrenkert@intevation.de>
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157 colorObj color = new colorObj(
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Raimund Renkert <rrenkert@intevation.de>
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158 col.getRed(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
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159 col.getGreen(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
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160 col.getBlue(),
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Raimund Renkert <rrenkert@intevation.de>
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161 -4);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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162 style.setColor(color);
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Raimund Renkert <rrenkert@intevation.de>
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163 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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164 if (symbolElement.hasAttribute ("size")) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
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165 double size = Double.parseDouble(
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Raimund Renkert <rrenkert@intevation.de>
parents:
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166 symbolElement.getAttribute("size"));
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Raimund Renkert <rrenkert@intevation.de>
parents:
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167 style.setSize(size);
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Raimund Renkert <rrenkert@intevation.de>
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168 //In arcgis the separation goes from center to center, so the gap is
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Raimund Renkert <rrenkert@intevation.de>
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169 //the separation - size
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Raimund Renkert <rrenkert@intevation.de>
parents:
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170 if (gap > 0) {
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Raimund Renkert <rrenkert@intevation.de>
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171 style.setGap(gap - size);
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Raimund Renkert <rrenkert@intevation.de>
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172 }
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Raimund Renkert <rrenkert@intevation.de>
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173 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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174 if(symbolElement.hasAttribute("outline_color")) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
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175 Color oCol = Color.decode(
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Raimund Renkert <rrenkert@intevation.de>
parents:
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176 symbolElement.getAttribute("outline_color"));
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Raimund Renkert <rrenkert@intevation.de>
parents:
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177 colorObj outlineColor = new colorObj(
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Raimund Renkert <rrenkert@intevation.de>
parents:
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178 oCol.getRed(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
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179 oCol.getGreen(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
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180 oCol.getBlue(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
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181 -4);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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182 style.setOutlinecolor(outlineColor);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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183 style.setOutlinewidth(Double.parseDouble(
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Raimund Renkert <rrenkert@intevation.de>
parents:
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184 symbolElement.getAttribute("outline_size")));
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Raimund Renkert <rrenkert@intevation.de>
parents:
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185 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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186
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Raimund Renkert <rrenkert@intevation.de>
parents:
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187 if(type.equals("marker")) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
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188 style.setSymbolByName(map, name);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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189 SymbolWriter sw = new SymbolWriter(this.map, this.cl);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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190 sw.write(symbolElement);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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191 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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192 else if(type.equals("line")) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
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193 style.setSymbolByName(map, "hatch");
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Raimund Renkert <rrenkert@intevation.de>
parents:
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194 SymbolWriter sw = new SymbolWriter(this.map, this.cl);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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195 symbolElement.setAttribute("name", "hatch");
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Raimund Renkert <rrenkert@intevation.de>
parents:
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196 sw.write(symbolElement);
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Raimund Renkert <rrenkert@intevation.de>
parents:
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197 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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198 }
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Raimund Renkert <rrenkert@intevation.de>
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199
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Raimund Renkert <rrenkert@intevation.de>
parents:
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200 /**
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Raimund Renkert <rrenkert@intevation.de>
parents:
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201 * Write simple fill attributes.
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Raimund Renkert <rrenkert@intevation.de>
parents:
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202 */
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Raimund Renkert <rrenkert@intevation.de>
parents:
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203 private void writeSimple(Element symbolElement) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
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204 logger.debug("writeSimple(Element)");
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Raimund Renkert <rrenkert@intevation.de>
parents:
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205 if(symbolElement.hasAttribute("transparency")) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
206 double value = Double.parseDouble(
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
207 symbolElement.getAttribute("transparency"));
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
208 int opacity = (int)(value/255) * 100;
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
209 if(value >= 0) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
210 style.setOpacity(opacity);
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
211 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
212 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
213 if(symbolElement.hasAttribute("color")) {
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
214 String c = symbolElement.getAttribute("color");
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
215 Color col = Color.decode(c);
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
216 colorObj color = new colorObj(
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
217 col.getRed(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
218 col.getGreen(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
219 col.getBlue(),
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
220 -4);
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
221 style.setColor(color);
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
222 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
223 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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224 }
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Raimund Renkert <rrenkert@intevation.de>
parents:
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225 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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