gvsig-3d / 2.1 / trunk / org.gvsig.view3d / org.gvsig.view3d.vector / org.gvsig.view3d.vector.lib / org.gvsig.view3d.vector.lib.impl / src / main / java / org / gvsig / view3d / vector / lib / impl / extrusion / DefaultVectorExtrusionRenderableLayer.java @ 774
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1 | 774 | llmarques | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright ? 2007-2017 gvSIG Association
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | package org.gvsig.view3d.vector.lib.impl.extrusion; |
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25 | |||
26 | import java.awt.Color; |
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27 | import java.util.ArrayList; |
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28 | import java.util.List; |
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29 | |||
30 | import org.apache.commons.lang3.StringUtils; |
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31 | import org.cresques.cts.ICoordTrans; |
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32 | |||
33 | import org.gvsig.fmap.dal.exception.DataException; |
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34 | import org.gvsig.fmap.dal.feature.Feature; |
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35 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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36 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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37 | import org.gvsig.fmap.geom.Geometry; |
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38 | import org.gvsig.fmap.geom.Geometry.TYPES; |
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39 | import org.gvsig.fmap.geom.aggregate.MultiLine; |
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40 | import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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41 | import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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42 | import org.gvsig.fmap.geom.primitive.Curve; |
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43 | import org.gvsig.fmap.geom.primitive.Line; |
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44 | import org.gvsig.fmap.geom.primitive.Point; |
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45 | import org.gvsig.fmap.geom.primitive.Polygon; |
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46 | import org.gvsig.fmap.geom.primitive.Ring; |
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47 | import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
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48 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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49 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IFillSymbol; |
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50 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol; |
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51 | import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.ISimpleMarkerSymbol; |
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52 | import org.gvsig.view3d.vector.lib.api.VectorElevationMode; |
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53 | import org.gvsig.view3d.vector.lib.api.VectorExtrusionLoaderParameters; |
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54 | import org.gvsig.view3d.vector.lib.api.VectorLoaderParameters; |
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55 | import org.gvsig.view3d.vector.lib.impl.AbstractRenderableLayer; |
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56 | |||
57 | import gov.nasa.worldwind.geom.Position; |
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58 | import gov.nasa.worldwind.render.BasicShapeAttributes; |
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59 | import gov.nasa.worldwind.render.ExtrudedPolygon; |
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60 | import gov.nasa.worldwind.render.Material; |
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61 | import gov.nasa.worldwind.render.Path; |
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62 | import gov.nasa.worldwind.render.PointPlacemark; |
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63 | import gov.nasa.worldwind.render.PointPlacemarkAttributes; |
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64 | import gov.nasa.worldwind.render.Renderable; |
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65 | |||
66 | /**
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67 | *
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68 | * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>
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69 | *
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70 | */
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71 | public class DefaultVectorExtrusionRenderableLayer extends AbstractRenderableLayer { |
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72 | |||
73 | private BasicShapeAttributes polygonShapeAttributes;
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74 | private BasicShapeAttributes sideShapeAttributes;
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75 | private PointPlacemarkAttributes markAttributes;
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76 | private BasicShapeAttributes lineShapeAttributes;
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77 | |||
78 | public DefaultVectorExtrusionRenderableLayer(VectorLoaderParameters parameters, FeatureStore featureStore,
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79 | IVectorLegend legend) { |
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80 | super(parameters, featureStore, legend);
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81 | } |
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82 | |||
83 | @Override
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84 | protected List<Renderable> getRenderables(Feature feature) { |
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85 | |||
86 | double heightFieldValue = 0; |
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87 | String heightField = ((VectorExtrusionLoaderParameters) parameters).getHeightField();
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88 | if (StringUtils.isNoneBlank(heightField)) {
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89 | heightFieldValue = feature.getDouble(heightField); |
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90 | } |
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91 | |||
92 | Geometry geom = feature.getDefaultGeometry(); |
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93 | List<Renderable> renderables = new ArrayList<>(); |
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94 | if (geom.getGeometryType().isTypeOf(TYPES.MULTIPOLYGON)) {
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95 | MultiPolygon multiPolygon = (MultiPolygon) geom; |
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96 | for (int i = 0; i < multiPolygon.getPrimitivesNumber(); i++) { |
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97 | Polygon polygon = (Polygon) multiPolygon.getSurfaceAt(i); |
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98 | if (polygon.getNumVertices() >= 4) { |
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99 | renderables.add(getRenderable(polygon, heightFieldValue)); |
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100 | } |
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101 | } |
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102 | } else if (geom.getGeometryType().isTypeOf(TYPES.POLYGON)) { |
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103 | Polygon polygon = (Polygon) geom; |
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104 | if (polygon.getNumVertices() >= 4) { |
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105 | renderables.add(getRenderable(polygon, heightFieldValue)); |
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106 | } |
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107 | } else if (geom.getGeometryType().isTypeOf(TYPES.MULTIPOINT)) { |
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108 | MultiPoint multiPoint = (MultiPoint) geom; |
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109 | for (int i = 0; i < multiPoint.getPrimitivesNumber(); i++) { |
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110 | renderables.add(getRenderable(multiPoint.getPointAt(i), heightFieldValue)); |
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111 | } |
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112 | } else if (geom.getGeometryType().isTypeOf(TYPES.POINT)) { |
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113 | renderables.add(getRenderable((Point) geom, heightFieldValue));
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114 | } else if (geom.getGeometryType().isTypeOf(TYPES.MULTILINE)) { |
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115 | MultiLine multiLine = (MultiLine) geom; |
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116 | for (int i = 0; i < multiLine.getPrimitivesNumber(); i++) { |
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117 | if (multiLine.getCurveAt(i).getNumVertices() >= 2) { |
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118 | renderables.add(getRenderable(multiLine.getCurveAt(i), heightFieldValue)); |
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119 | } |
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120 | } |
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121 | } else if (geom.getGeometryType().isTypeOf(TYPES.LINE) && ((Line) geom).getNumVertices() >= 2) { |
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122 | renderables.add(getRenderable((Line) geom, heightFieldValue));
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123 | } |
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124 | return renderables;
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125 | } |
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126 | |||
127 | @Override
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128 | protected FeatureQuery getFeatureQuery() throws DataException { |
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129 | FeatureQuery featureQuery = super.getFeatureQuery();
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130 | // Add field height to feature query
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131 | String fieldHeight = ((VectorExtrusionLoaderParameters) parameters).getHeightField();
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132 | if (StringUtils.isNotBlank(fieldHeight)) {
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133 | featureQuery.addAttributeName(fieldHeight); |
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134 | } |
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135 | return featureQuery;
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136 | } |
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137 | |||
138 | private ExtrudedPolygon getRenderable(Polygon polygon, double heightFieldValue) { |
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139 | ExtrudedPolygon renderable = new ExtrudedPolygon();
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140 | boolean hasZ = polygon.getDimension() > 2; |
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141 | double h = 0.0; |
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142 | |||
143 | if (VectorElevationMode.CLAMP_TO_GROUND.equals(parameters.getVectorElevationMode())) {
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144 | hasZ = false;
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145 | } else {
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146 | if (VectorElevationMode.RELATIVE_TO_GROUND.equals(parameters.getVectorElevationMode())) {
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147 | hasZ = false;
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148 | } |
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149 | if (parameters.getConstantHeight() != null) { |
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150 | h = parameters.getConstantHeight(); |
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151 | } |
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152 | } |
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153 | h += heightFieldValue; |
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154 | h *= ((VectorExtrusionLoaderParameters) parameters).getVerticalExaggeration(); |
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155 | |||
156 | ICoordTrans coordTrans = getCoordTrans(this.parameters.getLayer().getProjection());
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157 | List<Position> verticesList = getVertices(polygon, h, hasZ, coordTrans); |
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158 | renderable.setOuterBoundary(verticesList); |
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159 | |||
160 | int numInteriorRings = polygon.getNumInteriorRings();
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161 | for (int i = 0; i < numInteriorRings; i++) { |
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162 | renderable.addInnerBoundary(getInteriorRing(polygon.getInteriorRing(i), hasZ, h)); |
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163 | } |
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164 | renderable.setAltitudeMode(getAltitudeMode(this.parameters.getVectorElevationMode()));
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165 | renderable.setAttributes(getPolygonShapeAttributes(legend)); |
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166 | renderable.setSideAttributes(getSideShapeAttributes(legend)); |
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167 | return renderable;
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168 | } |
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169 | |||
170 | private List<Position> getInteriorRing(Ring interiorRing, boolean hasZ, double h) { |
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171 | int internalNumVertices = interiorRing.getNumVertices();
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172 | List<Position> internalVerticesList = new ArrayList<>(internalNumVertices); |
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173 | for (int j = 0; j < internalNumVertices; j++) { |
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174 | Point vertex = interiorRing.getVertex(j);
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175 | if (hasZ) {
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176 | double z = vertex.getCoordinateAt(2); |
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177 | internalVerticesList.add(Position.fromDegrees(vertex.getY(), vertex.getX(), z + h));
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178 | } else {
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179 | internalVerticesList.add(Position.fromDegrees(vertex.getY(), vertex.getX(), h));
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180 | } |
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181 | } |
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182 | return internalVerticesList;
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183 | } |
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184 | |||
185 | private BasicShapeAttributes getSideShapeAttributes(IVectorLegend legend) {
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186 | |||
187 | if (this.sideShapeAttributes != null) { |
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188 | return this.sideShapeAttributes; |
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189 | } |
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190 | |||
191 | Material sideFillMaterial = Material.GRAY; |
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192 | double fillOpacity = 0.7; |
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193 | |||
194 | ISymbol symbol = legend.getDefaultSymbol(); |
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195 | if (symbol instanceof IFillSymbol) { |
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196 | IFillSymbol fillSymbol = (IFillSymbol) symbol; |
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197 | Color fillColor = fillSymbol.getFillColor();
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198 | int fillAlpha = fillSymbol.getFillAlpha();
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199 | Color sideFillColor = darkenColor(fillColor);
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200 | sideFillMaterial = new Material(sideFillColor);
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201 | fillOpacity = fillAlpha / 255.0;
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202 | } else {
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203 | sideFillMaterial = new Material(this.parameters.getDefaultColor()); |
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204 | fillOpacity = 0.7;
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205 | } |
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206 | sideShapeAttributes = new BasicShapeAttributes();
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207 | sideShapeAttributes.setInteriorMaterial(sideFillMaterial); |
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208 | sideShapeAttributes.setInteriorOpacity(fillOpacity); |
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209 | return sideShapeAttributes;
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210 | } |
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211 | |||
212 | private BasicShapeAttributes getPolygonShapeAttributes(IVectorLegend legend) {
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213 | |||
214 | if (this.polygonShapeAttributes != null) { |
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215 | return this.polygonShapeAttributes; |
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216 | } |
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217 | |||
218 | Material fillMaterial = Material.LIGHT_GRAY; |
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219 | Material outlineMaterial = Material.BLACK; |
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220 | double fillOpacity = 0.7; |
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221 | double outlineWidth = 2; |
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222 | |||
223 | ISymbol symbol = legend.getDefaultSymbol(); |
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224 | if (symbol instanceof IFillSymbol) { |
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225 | IFillSymbol fillSymbol = (IFillSymbol) symbol; |
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226 | Color fillColor = fillSymbol.getFillColor();
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227 | int fillAlpha = fillSymbol.getFillAlpha();
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228 | ILineSymbol outline = fillSymbol.getOutline(); |
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229 | Color lineColor = outline.getColor();
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230 | fillMaterial = new Material(fillColor);
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231 | outlineMaterial = new Material(lineColor);
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232 | fillOpacity = fillAlpha / 255.0;
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233 | outlineWidth = outline.getLineWidth(); |
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234 | } else {
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235 | outlineMaterial = new Material(this.parameters.getDefaultColor()); |
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236 | fillMaterial = new Material(this.parameters.getDefaultColor()); |
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237 | fillOpacity = 0.7;
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238 | outlineWidth = 2;
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239 | } |
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240 | polygonShapeAttributes = new BasicShapeAttributes();
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241 | polygonShapeAttributes.setInteriorMaterial(fillMaterial); |
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242 | polygonShapeAttributes.setInteriorOpacity(fillOpacity); |
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243 | polygonShapeAttributes.setOutlineMaterial(outlineMaterial); |
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244 | polygonShapeAttributes.setOutlineWidth(outlineWidth); |
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245 | return polygonShapeAttributes;
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246 | } |
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247 | |||
248 | private PointPlacemark getRenderable(Point point, double heightFieldValue) { |
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249 | boolean hasZ = point.getDimension() > 2; |
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250 | double h = 0.0; |
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251 | |||
252 | ICoordTrans coordTrans = getCoordTrans(this.parameters.getLayer().getProjection());
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253 | if (coordTrans != null) { |
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254 | point.reProject(coordTrans); |
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255 | } |
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256 | |||
257 | double y = point.getY();
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258 | double x = point.getX();
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259 | |||
260 | if (VectorElevationMode.CLAMP_TO_GROUND.equals(parameters.getVectorElevationMode())) {
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261 | hasZ = false;
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262 | } else {
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263 | if (VectorElevationMode.RELATIVE_TO_GROUND.equals(parameters.getVectorElevationMode())) {
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264 | hasZ = false;
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265 | } |
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266 | if (parameters.getConstantHeight() != null) { |
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267 | h = parameters.getConstantHeight(); |
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268 | } |
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269 | } |
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270 | h += heightFieldValue; |
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271 | h *= ((VectorExtrusionLoaderParameters) parameters).getVerticalExaggeration(); |
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272 | PointPlacemark marker; |
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273 | if (hasZ) {
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274 | double z = point.getCoordinateAt(2); |
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275 | marker = new PointPlacemark(Position.fromDegrees(y, x, z + h)); |
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276 | } else {
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277 | Position position = Position.fromDegrees(y, x, h); |
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278 | marker = new PointPlacemark(position);
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279 | } |
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280 | marker.setAltitudeMode(getAltitudeMode(parameters.getVectorElevationMode())); |
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281 | marker.setLineEnabled(true);
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282 | marker.setAttributes(this.getBasicMarkerAttributes(legend));
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283 | return marker;
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284 | } |
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285 | |||
286 | private PointPlacemarkAttributes getBasicMarkerAttributes(IVectorLegend legend) {
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287 | |||
288 | if (this.markAttributes != null) { |
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289 | return this.markAttributes; |
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290 | } |
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291 | |||
292 | double markerSize = 0; |
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293 | Material fillMaterial = null;
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294 | |||
295 | if (legend == null) { |
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296 | fillMaterial = new Material(parameters.getDefaultColor());
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297 | markerSize = 0.3;
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298 | } else {
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299 | ISymbol symbol = legend.getDefaultSymbol(); |
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300 | if (symbol instanceof ISimpleMarkerSymbol) { |
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301 | ISimpleMarkerSymbol markerSymbol = (ISimpleMarkerSymbol) symbol; |
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302 | Color fillColor = markerSymbol.getColor();
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303 | markerSize = markerSymbol.getSize(); |
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304 | fillMaterial = new Material(fillColor);
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305 | } else {
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306 | fillMaterial = new Material(parameters.getDefaultColor());
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307 | markerSize = 4;
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308 | } |
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309 | } |
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310 | markAttributes = new PointPlacemarkAttributes();
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311 | Color color = fillMaterial.getDiffuse();
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312 | markAttributes.setImageColor(color); |
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313 | markAttributes.setLineMaterial(fillMaterial); |
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314 | markAttributes.setLineWidth(1d);
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315 | markAttributes.setUsePointAsDefaultImage(true);
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316 | markAttributes.setScale(markerSize); |
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317 | return markAttributes;
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318 | } |
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319 | |||
320 | private Renderable getRenderable(Curve curve, double heightFieldValue) { |
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321 | boolean hasZ = curve.getDimension() > 2; |
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322 | double h = 0.0; |
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323 | |||
324 | if (VectorElevationMode.CLAMP_TO_GROUND.equals(parameters.getVectorElevationMode())) {
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325 | hasZ = false;
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326 | } else {
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327 | if (VectorElevationMode.RELATIVE_TO_GROUND.equals(parameters.getVectorElevationMode())) {
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328 | hasZ = false;
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329 | } |
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330 | if (parameters.getConstantHeight() != null) { |
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331 | h = parameters.getConstantHeight(); |
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332 | } |
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333 | } |
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334 | |||
335 | h += heightFieldValue; |
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336 | h *= ((VectorExtrusionLoaderParameters) parameters).getVerticalExaggeration(); |
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337 | ICoordTrans coordTrans = getCoordTrans(this.parameters.getLayer().getProjection());
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338 | List<Position> verticesList = getVertices(curve, h, hasZ, coordTrans); |
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339 | Path path = new Path(verticesList);
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340 | path.setAltitudeMode(getAltitudeMode(this.parameters.getVectorElevationMode()));
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341 | path.setAttributes(getLineShapAttributes(legend)); |
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342 | path.setExtrude(true);
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343 | return path;
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344 | } |
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345 | |||
346 | private BasicShapeAttributes getLineShapAttributes(IVectorLegend legend) {
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347 | |||
348 | if (lineShapeAttributes != null) { |
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349 | return this.lineShapeAttributes; |
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350 | } |
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351 | |||
352 | Material outlineMaterial; |
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353 | double outlineOpacity = 1.0; |
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354 | double outlineWidth = 3.0; |
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355 | |||
356 | ISymbol symbol = legend.getDefaultSymbol(); |
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357 | if (symbol instanceof ILineSymbol) { |
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358 | ILineSymbol lineSymbol = (ILineSymbol) symbol; |
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359 | Color lineColor = lineSymbol.getColor();
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360 | int lineAlpha = lineSymbol.getAlpha();
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361 | outlineMaterial = new Material(lineColor);
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362 | outlineOpacity = lineAlpha / 255.0;
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363 | outlineWidth = lineSymbol.getLineWidth(); |
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364 | } else {
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365 | outlineMaterial = new Material(this.parameters.getDefaultColor()); |
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366 | outlineOpacity = 1.0;
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367 | outlineWidth = 3.0;
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368 | } |
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369 | lineShapeAttributes = new BasicShapeAttributes();
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370 | lineShapeAttributes.setOutlineMaterial(outlineMaterial); |
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371 | lineShapeAttributes.setOutlineWidth(outlineWidth); |
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372 | lineShapeAttributes.setOutlineOpacity(outlineOpacity); |
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373 | return lineShapeAttributes;
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374 | } |
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375 | |||
376 | /**
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377 | * Slightly darken the supplied color.
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378 | *
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379 | * @param color
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380 | * the color to make darker.
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381 | * @return the darker color.
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382 | */
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383 | private Color darkenColor(Color color) { |
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384 | float factor = 0.8f; |
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385 | int r = color.getRed();
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386 | int g = color.getGreen();
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387 | int b = color.getBlue();
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388 | return new Color(Math.max((int) (r * factor), 0), Math.max((int) (g * factor), 0), |
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389 | Math.max((int) (b * factor), 0)); |
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390 | } |
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391 | |||
392 | @Override
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393 | protected void clearRenderAttributes() { |
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394 | this.polygonShapeAttributes = null; |
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395 | this.sideShapeAttributes = null; |
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396 | this.markAttributes = null; |
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397 | this.lineShapeAttributes = null; |
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398 | } |
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399 | } |