root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / ZSort.java @ 13927
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.rendering; |
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import java.util.Hashtable; |
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import java.util.Iterator; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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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.utiles.IPersistence; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Class ZSort is used in order to store information about the symbols
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* which are placed in the Z axis (because a level of symbols has been
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* used).
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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 ZSort implements IPersistence { |
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private int[][] matrix; |
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private boolean usingZSort; |
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private Hashtable<ISymbol, Integer> symbols = new Hashtable<ISymbol, Integer>(); |
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public ZSort(ILegend legend) {
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ISymbol[] symbols;
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if (legend instanceof IClassifiedLegend) { |
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symbols = ((IClassifiedLegend) legend).getSymbols(); |
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} else {
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symbols = new ISymbol[] {legend.getDefaultSymbol()}; |
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} |
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matrix = new int[symbols.length][]; |
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for (int i = 0; i < symbols.length; i++) { |
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this.symbols.put(symbols[i], i);
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matrix[i] = new int[ |
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symbols[i] instanceof IMultiLayerSymbol ?
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((IMultiLayerSymbol) symbols[i]).getLayerCount() : |
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1
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]; |
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} |
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System.err.println(this); |
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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 XMLEntity getXMLEntity() {
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// TODO Auto-generated method stub
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throw new Error("Not yet implemented!"); |
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} |
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public void setXMLEntity(XMLEntity xml) { |
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// TODO Auto-generated method stub
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throw new Error("Not yet implemented!"); |
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} |
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public int getLevelCount() { |
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int count = -1; |
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for (int i = 0; i < matrix.length; i++) { |
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for (int j = 0; j < matrix[i].length; j++) { |
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count = Math.max(count, matrix[i][j]);
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} |
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} |
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return count + 1; |
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} |
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public void setUsingZSort(boolean usingZSort) { |
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this.usingZSort = usingZSort;
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} |
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public void setLevels(ISymbol sym, int[] values) { |
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setLevels(symbols.get(sym), values); |
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} |
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public void setLevels(int row, int[] values) { |
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matrix[row] = values; |
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} |
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public boolean isUsingZSort() { |
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return usingZSort;
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} |
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public ISymbol[] getSymbols() { |
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return symbols.keySet().toArray(new ISymbol[0]); |
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} |
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public String[] getDescriptions() { |
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ISymbol[] symbols = getSymbols();
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String[] descs = new String[symbols.length]; |
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for (int i = 0; i < descs.length; i++) { |
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descs[i] = symbols[i].getDescription(); |
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} |
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return descs;
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} |
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public int getSymbolLevel(ISymbol layer) { |
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ISymbol[] theSymbols = getSymbols();
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for (int i = 0; i < theSymbols.length; i++) { |
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ISymbol mySymbol = theSymbols[i]; |
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if (mySymbol instanceof IMultiLayerSymbol) { |
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IMultiLayerSymbol multiSym = (IMultiLayerSymbol) mySymbol; |
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for (int j = 0; j < multiSym.getLayerCount(); j++) { |
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ISymbol myInnerSymbol = multiSym.getLayer(j); |
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if (myInnerSymbol.equals(layer)) {
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int row = symbols.get(multiSym);
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return matrix[row][j];
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} |
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} |
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} else {
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if (mySymbol.equals(layer)) {
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return matrix[symbols.get(layer)][i];
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} |
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} |
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} |
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System.err.println("did not find symbol: '"+layer.getDescription()+"' in zSort"); |
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return 0; |
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} |
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public int getTopLevelIndexAllowed() { |
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ISymbol[] symbols = getSymbols();
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int count=0; |
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for (int i = 0; i < symbols.length; i++) { |
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if (symbols[i] instanceof IMultiLayerSymbol) { |
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IMultiLayerSymbol mSymbol = (IMultiLayerSymbol) symbols[i]; |
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count = Math.max(count, mSymbol.getLayerCount());
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} else
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count = Math.max(count, 1); |
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} |
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return count;
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} |
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@Override
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public String toString() { |
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String out = "Symbols:\n---------\n\n"; |
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ISymbol[] syms = getSymbols();
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for (int i = 0; i < syms.length; i++) { |
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out += syms.getClass()+":\t"+syms[i].getDescription();
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} |
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out += "\nMatrix:\n--------\n\n";
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out += " \t";
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for (int i = 0; i < getTopLevelIndexAllowed(); i++) { |
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out += "column"+i+"\t\t"; |
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} |
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out += "\n";
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for (int i = 0; i < matrix.length; i++) { |
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out += "row "+i+":\t"; |
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for (int j = 0; j < matrix[i].length; j++) { |
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out += matrix[i][j]+"\t\t";
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} |
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out += "\n";
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} |
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return out;
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} |
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// private final ISymbol[] symbols;
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// private boolean usingSymbolLevels;
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// private Hashtable<ISymbol, int[]> table = new Hashtable<ISymbol, int[]>();
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// /**
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// * Constructor Method
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// * @param legend
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// */
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// public ZSort(ILegend legend) {
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// if (legend instanceof IClassifiedLegend) {
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// ISymbol[] ss = ((IClassifiedLegend) legend).getSymbols();
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// symbols = new ISymbol[ss.length];
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// System.arraycopy(
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// ss, 0,
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// symbols, 0, ss.length);
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// } else {
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// symbols = new ISymbol[] {legend.getDefaultSymbol()};
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// }
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// }
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// /**
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// * Ok if it is being used symbol levels, false on the contrary.
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// * @return usingSymbolLevels, boolean;
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// */
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// public boolean isUsingZSort() {
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// return usingSymbolLevels;
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// }
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// /**
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// * Stablishes if the Symbol Levels is going to be used or not.
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// * @param b
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// */
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//
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// public void setUsingZSort(boolean b) {
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// usingSymbolLevels = b;
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// }
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// /**
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// * Returns the number of layers that has the symbol which is an instance of
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// * IMultiLayerSymbol and has the maximum number of layers.
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// * @return
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// */
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// public int getMaxSymbolLayerCount() {
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// int count = 0;
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// for (int i = 0; i < symbols.length; i++) {
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// int levels = (symbols[i] instanceof IMultiLayerSymbol) ?
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// ((IMultiLayerSymbol) symbols[i]).getLayerCount() : 1;
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// count = Math.max(count, levels);
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// }
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// return count;
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//
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// }
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//
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// public ISymbol getSymbolByFeatureAndLevel(IFeature feat, int level) {
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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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// }
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// /**
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// * Returns an array composed by all the symbols.
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// * @return symbols, ISymbol[]
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// */
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// public ISymbol[] getSymbols() {
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// return symbols;
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// }
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// /**
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// * Returns an array composed by all the descriptions of the symbols.
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// *
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// * @return desc, String[]
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// */
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// public String[] getDescriptions() {
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// String[] desc = new String[symbols.length];
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// for (int i = 0; i < desc.length; i++) {
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// desc[i] = symbols[i].getDescription();
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// }
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// return desc;
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// }
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//
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// /**
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// * Obtains the level of a symbol.The method to obtain this value will be different
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// * depending on the type of the symbol (if the symbol is multilayer we have
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// * to check all the layers).
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// *
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// * @param layer
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// * @return int
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// */
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// public int getSymbolLevel(ISymbol layer) {
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// Iterator<ISymbol> it = table.keySet().iterator();
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// while (it.hasNext()) {
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//
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// ISymbol sym = it.next();
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// int[] levels = table.get(sym);
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//
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// if (sym instanceof IMultiLayerSymbol) {
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// IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym;
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// for (int i = 0; i < mlSym.getLayerCount(); i++) {
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// if (mlSym.getLayer(i).equals(layer))
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// return levels[i];
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// }
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// } else {
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// if (sym.equals(layer)) return levels[0];
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// }
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//
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// }
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// return 0; // symbol does not exist yet in the ZSort
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// }
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// /**
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// * Returns the maximum level of all the symbols contained in the hash table
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// * @return int
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// */
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// public int getLevelCount() {
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// int level = 0;
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// Iterator<ISymbol> it = table.keySet().iterator();
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// while (it.hasNext()) {
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//
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// ISymbol sym = it.next();
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// int[] levels = table.get(sym);
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// for (int i = 0; i < levels.length; i++) {
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// level = Math.max(level, levels[i]);
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// }
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//
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//
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// }
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// return level + 1;
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// }
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//
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//
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// /**
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// * Sets the levels associated with the symbols. The length of the
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// * argument levels must match the number of layers of the symbol in
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// * case the symbol is an {@link IMultiLayerSymbol}, or 1 otherwise
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// * @param sym
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// * @param levels
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// */
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// public void setLevelsToSymbol(ISymbol sym, int[] levels) {
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// table.put(sym, levels);
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// removeEmptyGaps();
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//
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// }
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//
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// /**
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// * Ensures that the table does not contain map levels with no symbols by
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// * updating the map level index to the next immediate map level to the
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// * previous non-empty one.
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// */
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// private void removeEmptyGaps() {
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// if (table.isEmpty()) return;
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//
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// ISymbol[] syms = table.keySet().toArray(new ISymbol[0]);
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// int[][] aux = new int[syms.length][];
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// Iterator<ISymbol> it = table.keySet().iterator();
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// int i = 0;
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// while (it.hasNext()) {
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// aux[i] = table.get(it.next());
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// i++;
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// }
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//
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// boolean[] isUsedLevel = new boolean[getLevelCount()];
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// for (i = 0; i < aux.length; i++) {
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// int[] thisLevels = aux[i];
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// for (int j = 0; j < thisLevels.length; j++) {
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// isUsedLevel[thisLevels[j]] = true;
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// }
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// }
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//
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// for (i = 0; i < isUsedLevel.length; i++) {
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// if (!isUsedLevel[i]) {
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// for (int j = 0; j < aux.length; j++) {
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// int[] thisLevels = aux[i];
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// for (int k = 0; j < thisLevels.length; k++) {
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// if (thisLevels[j]>i)
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// thisLevels[j]--;
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// }
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//
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// }
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// }
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// }
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//
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// }
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//
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// public String toString() {
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// String out = super.toString();
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// Iterator<ISymbol> it = table.keySet().iterator();
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// while (it.hasNext()) {
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// ISymbol sym = it.next();
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// int[] levels = table.get(sym);
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// out += "\n"+sym.getDescription();
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// for (int i = 0; i < levels.length; i++) {
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// out += "\t"+levels[i];
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// }
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// }
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// return out;
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// }
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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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//
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// public XMLEntity getXMLEntity() {
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// // TODO Auto-generated method stub
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// throw new Error("Not yet implemented!");
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// }
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//
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// public void setXMLEntity(XMLEntity xml) {
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// // TODO Auto-generated method stub
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// throw new Error("Not yet implemented!");
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// }
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} |