root / trunk / extensions / extSymbology / src / org / gvsig / symbology / fmap / rendering / QuantityByCategoryLegend.java @ 20768
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package org.gvsig.symbology.fmap.rendering; |
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import java.util.ArrayList; |
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import org.apache.log4j.Logger; |
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import org.gvsig.symbology.fmap.styles.SimpleMarkerFillPropertiesStyle; |
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import org.gvsig.symbology.fmap.symbols.MarkerFillSymbol; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.XMLException; |
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import com.iver.cit.gvsig.fmap.rendering.AbstractClassifiedVectorLegend; |
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import com.iver.cit.gvsig.fmap.rendering.FInterval; |
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import com.iver.cit.gvsig.fmap.rendering.IClassifiedVectorLegend; |
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import com.iver.cit.gvsig.fmap.rendering.ILegend; |
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import com.iver.cit.gvsig.fmap.rendering.LegendFactory; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialIntervalLegend; |
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import com.iver.cit.gvsig.fmap.rendering.ZSort; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Implements a legend where the user can compare two different characteristics
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* of a region in the map. These two "fields" will be compared, on one side,
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* using a color for the region and , on the other side, using a graduated symbol.
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* Both methods will change (the color or the size of the symbol) depending on
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* the value of the fields.
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class QuantityByCategoryLegend extends AbstractClassifiedVectorLegend implements IClassifiedVectorLegend { |
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private GraduatedSymbolLegend graduatedSymbol = new GraduatedSymbolLegend(); |
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private VectorialIntervalLegend colorRamp = new VectorialIntervalLegend(); |
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private ISymbol defaultSymbol;
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private int shapeType; |
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private boolean isUseDefaultSymbol; |
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private DataSource ds; |
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public void clear() { |
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colorRamp.clear(); |
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graduatedSymbol.clear(); |
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} |
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public String[] getClassifyingFieldNames() { |
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ArrayList<String> l = new ArrayList<String>(); |
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for (int i = 0; i < graduatedSymbol.getClassifyingFieldNames().length; i++) { |
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l.add(graduatedSymbol.getClassifyingFieldNames()[i]); |
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} |
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for (int i = 0; i < colorRamp.getClassifyingFieldNames().length; i++) { |
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l.add(colorRamp.getClassifyingFieldNames()[i]); |
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} |
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return l.toArray(new String[l.size()]); |
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} |
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//////////////////////////////////////////////PEPE
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@Override
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public int[] getClassifyingFieldTypes() { |
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int[] l = new int [graduatedSymbol.getClassifyingFieldNames().length + colorRamp.getClassifyingFieldNames().length] ; |
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int i = 0; |
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for (i = 0; i < graduatedSymbol.getClassifyingFieldNames().length; i++) { |
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l[i]=(graduatedSymbol.getClassifyingFieldTypes()[i]); |
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} |
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for (int j = i; j < colorRamp.getClassifyingFieldNames().length; j++) { |
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l[j]=(colorRamp.getClassifyingFieldTypes()[j]); |
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} |
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return l;
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} |
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/////////////////////////////////////////////PEPE
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////////////////////////////////////////PEPE
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public void setClassifyingFieldTypes(int[] fieldTypes) { |
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if (fieldTypes.length!=2) { |
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} |
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colorRamp.setClassifyingFieldTypes(new int[] {fieldTypes[1]}); |
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graduatedSymbol.setClassifyingFieldTypes(new int[] {fieldTypes[0]}); |
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} |
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////////////////////////////////////////PEPE
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/**
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* Sets the field names required to build this legend. In this case
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* fieldNames is an array of length 2 where the first element is
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* the field name for the embedded GraduatedSymbolLegend, and the
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* second is the field name for the embedded colorRamp (VectorialIntervalLegend)
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* legend.
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*/
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public void setClassifyingFieldNames(String[] fieldNames) { |
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if (fieldNames.length!=2) { |
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} |
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colorRamp.setClassifyingFieldNames(new String[] {fieldNames[1]}); |
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graduatedSymbol.setClassifyingFieldNames(new String[] {fieldNames[0]}); |
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} |
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public void addSymbol(Object key, ISymbol symbol) { |
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System.out.println("adding "+key+"["+symbol+"]"); |
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// // TODO Implement it
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// throw new Error("Not yet implemented!");
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} |
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public void delSymbol(Object key) { |
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colorRamp.delSymbol(key); |
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graduatedSymbol.delSymbol(key); |
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} |
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public String[] getDescriptions() { |
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String[] desc1 = colorRamp.getDescriptions(); |
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String[] desc2 = graduatedSymbol.getDescriptions(); |
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String[] descriptions = new String[desc1.length + desc2.length]; |
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for (int i = 0; i < descriptions.length; i++) { |
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descriptions[i] = (i <desc1.length) ? desc1[i] : desc2[i % desc1.length]; |
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} |
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return descriptions;
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} |
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public ISymbol[] getSymbols() { |
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ISymbol[] symbols1 = colorRamp.getSymbols();
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ISymbol[] symbols2 = graduatedSymbol.getSymbols();
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ISymbol[] symbols = new ISymbol[symbols1.length + symbols2.length]; |
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for (int i = 0; i < symbols.length; i++) { |
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symbols[i] = (i < symbols1.length) ? symbols1[i] : symbols2[i % symbols1.length]; |
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} |
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return symbols;
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} |
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public Object[] getValues() { |
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Object[] objects1 = colorRamp.getValues(); |
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Object[] objects2 = graduatedSymbol.getValues(); |
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Object[] objects = new FInterval[objects1.length + objects2.length]; |
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for (int i = 0; i < objects.length; i++) { |
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objects[i] = (i < objects1.length) ? objects1[i] : objects2[i % objects1.length]; |
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} |
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return objects;
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} |
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public ISymbol getDefaultSymbol() {
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return defaultSymbol;
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} |
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public XMLEntity getXMLEntity() {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className", getClass().getName());
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xml.putProperty("shapeType", shapeType);
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xml.putProperty("isUseDefaultSymbol", isUseDefaultSymbol);
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xml.addChild(graduatedSymbol.getXMLEntity()); |
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xml.addChild(colorRamp.getXMLEntity()); |
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if (defaultSymbol != null) |
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xml.addChild(defaultSymbol.getXMLEntity()); |
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return xml;
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} |
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public ILegend cloneLegend() throws XMLException { |
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return LegendFactory.createFromXML(getXMLEntity());
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} |
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public GraduatedSymbolLegend getGraduatedSymbolLegend() {
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return graduatedSymbol;
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} |
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public VectorialIntervalLegend getColorRampLegend() {
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return colorRamp;
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} |
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public void setDataSource(DataSource ds) throws FieldNotFoundException, ReadDriverException { |
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// TODO remove it when FLyrVect.forTestOnlyVariableUseIterators_REMOVE_THIS_FIELD is removed
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if (FLyrVect.forTestOnlyVariableUseIterators_REMOVE_THIS_FIELD) {
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this.ds = ds;
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} |
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graduatedSymbol.setDataSource(ds); |
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colorRamp.setDataSource(ds); |
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} |
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public ISymbol getSymbol(int i) throws ReadDriverException { |
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IMarkerSymbol sym1 = (IMarkerSymbol) graduatedSymbol.getSymbol(i); |
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ISymbol sym2 = colorRamp.getSymbol(i); |
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IMultiLayerSymbol multiSym = null;
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switch (shapeType) {
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case FShape.POLYGON:
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/*
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* symbol from the GraduatedSymbolLegend is a marker, but
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* what we need is a fill symbol. Will use a MarkerFillSymbol
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* to enable support for Polygons
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*/
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MarkerFillSymbol aux = new MarkerFillSymbol();
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// tell the fill style to draw the IMarkerSymbol
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// as a IFillSymbol centering it in the shape polygon
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// centroid and applying offset (if any).
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aux.setMarker(sym1); |
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SimpleMarkerFillPropertiesStyle p = new SimpleMarkerFillPropertiesStyle();
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p.setFillStyle(SimpleMarkerFillPropertiesStyle.SINGLE_CENTERED_SYMBOL); |
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aux.setMarkerFillProperties(p); |
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multiSym = SymbologyFactory. |
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createEmptyMultiLayerSymbol(FShape.POLYGON); |
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multiSym.addLayer(sym2); |
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multiSym.addLayer(aux); |
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break;
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case FShape.LINE:
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throw new Error("Shape type not yet supported"); |
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default:
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throw new Error("Unsupported shape type"); |
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} |
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return multiSym;
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} |
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public ISymbol getSymbolByFeature(IFeature feat) {
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ISymbol sym1 = null, sym2 = null; |
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try {
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Value gsVal; |
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if (FLyrVect.forTestOnlyVariableUseIterators_REMOVE_THIS_FIELD) {
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gsVal = feat.getAttribute(ds.getFieldIndexByName(getClassifyingFieldNames()[0]));
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} else {
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gsVal = feat.getAttribute(0);
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} |
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sym1 = graduatedSymbol.getSymbolByInterval(graduatedSymbol.getInterval(gsVal)); |
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} catch (ReadDriverException e) {
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Logger.getLogger(getClass()).error("Graduated Symbol Legend failed", e); |
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} |
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try {
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Value crVal; |
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if (FLyrVect.forTestOnlyVariableUseIterators_REMOVE_THIS_FIELD) {
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crVal = feat.getAttribute(ds.getFieldIndexByName(getClassifyingFieldNames()[1]));
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} else {
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crVal = feat.getAttribute(1);
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} |
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sym2 = colorRamp.getSymbolByInterval( |
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colorRamp.getInterval(crVal)); |
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} catch (ReadDriverException e) {
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Logger.getLogger(getClass()).error("Color Ramp Symbol Legend failed", e); |
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} |
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IMultiLayerSymbol multiSym = null;
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switch (shapeType) {
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case FShape.POLYGON:
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multiSym = SymbologyFactory. |
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createEmptyMultiLayerSymbol(FShape.POLYGON); |
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if (sym2 != null) multiSym.addLayer(sym2); |
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if (sym1 != null) multiSym.addLayer(sym1); |
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break;
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case FShape.LINE:
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throw new Error("Shape type not yet supported"); |
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default:
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throw new Error("Unsupported shape type"); |
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} |
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return multiSym;
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} |
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public int getShapeType() { |
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return shapeType;
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} |
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public void setShapeType(int shapeType) { |
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this.shapeType = shapeType;
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graduatedSymbol.setShapeType(FShape.POINT); |
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colorRamp.setShapeType(shapeType); |
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} |
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public void setDefaultSymbol(ISymbol s) throws IllegalArgumentException { |
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if (s == null) throw new NullPointerException("Default symbol cannot be null"); |
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this.defaultSymbol = s;
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} |
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public void setXMLEntity(XMLEntity xml) { |
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shapeType = xml.getIntProperty("shapeType");
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isUseDefaultSymbol = xml.getBooleanProperty("isUseDefaultSymbol");
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try {
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graduatedSymbol = (GraduatedSymbolLegend) LegendFactory.createFromXML(xml.getChild(0));
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colorRamp = (VectorialIntervalLegend) LegendFactory.createFromXML(xml.getChild(1));
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} catch (XMLException e) {
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// TODO Auto-generated catch block
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Logger.getLogger(getClass()).error(e.getFormatString());
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} |
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if (defaultSymbol != null) |
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xml.addChild(defaultSymbol.getXMLEntity()); |
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} |
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public void setXMLEntity03(XMLEntity xml) { |
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// nothing to do here
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} |
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public boolean isUseDefaultSymbol() { |
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return isUseDefaultSymbol;
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} |
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public void useDefaultSymbol(boolean b) { |
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this.isUseDefaultSymbol = b;
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} |
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public String[] getUsedFields() { |
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// TODO Implement it
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throw new Error("Not yet implemented!"); |
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} |
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public void setGraduateSymbolLegend(ILegend legend) { |
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this.graduatedSymbol = (GraduatedSymbolLegend) legend;
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} |
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public void setColorRampLegend(ILegend legend) { |
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this.colorRamp = (VectorialIntervalLegend) legend;
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} |
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public ZSort getZSort() {
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// TODO Implement it
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throw new Error("Not yet implemented!"); |
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} |
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public void setZSort(ZSort zSort) { |
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// TODO Implement it
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throw new Error("Not yet implemented!"); |
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} |
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public String getClassName() { |
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return getClass().getName();
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} |
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public void replace(ISymbol oldSymbol, ISymbol newSymbol) { |
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ISymbol[] symbols;
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// look first in the graduated symbol legend
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symbols = graduatedSymbol.getSymbols(); |
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for (int i = 0; i < symbols.length; i++) { |
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if (symbols[i].equals(oldSymbol)) {
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graduatedSymbol.replace(oldSymbol, newSymbol); |
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return;
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} |
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} |
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// if the symbol wasn't found yet, proceed with color ramp
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symbols = colorRamp.getSymbols(); |
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for (int i = 0; i < symbols.length; i++) { |
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if (symbols[i].equals(oldSymbol)) {
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colorRamp.replace(oldSymbol, newSymbol); |
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return;
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} |
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} |
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} |
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} |