svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteclient / wmts / struct / WMTSTileMatrix.java @ 34313
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.remoteclient.wmts.struct; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import org.kxml2.io.KXmlParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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/**
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* Description of a tile matrix
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public abstract class WMTSTileMatrix extends WMTSBaseStruct { |
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private double scaleDenominator = 0; |
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private double[] topLeftCorner = null; |
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private int tileWidth = 0; |
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private int tileHeight = 0; |
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private long matrixWidth = 0; |
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private long matrixHeight = 0; |
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private static final double MTS_X_GRADO = 111319.490793274; |
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public class Tile { |
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public int wPx, hPx; |
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public int row, col; |
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public double ulx, uly, lrx, lry; |
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public Tile(int wPx, int hPx, int row, int col, double ulx, double uly, double lrx, double lry) { |
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this.row = row;
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this.col = col;
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this.ulx = ulx;
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this.uly = uly;
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this.lrx = lrx;
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this.lry = lry;
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this.wPx = wPx;
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this.hPx = hPx;
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} |
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} |
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/**
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* Parses this service
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* @param parser
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* @param content
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* @throws IOException
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* @throws XmlPullParserException
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*/
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@SuppressWarnings("unchecked") |
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public abstract void parse(KXmlParser parser, ArrayList list) throws IOException, XmlPullParserException; |
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public double getScaleDenominator() { |
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return scaleDenominator;
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} |
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public void setScaleDenominator(double scaleDenominator) { |
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this.scaleDenominator = scaleDenominator;
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} |
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public int getTileWidth() { |
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return tileWidth;
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} |
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public void setTileWidth(int tileWidth) { |
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this.tileWidth = tileWidth;
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} |
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public int getTileHeight() { |
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return tileHeight;
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} |
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public void setTileHeight(int tileHeight) { |
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this.tileHeight = tileHeight;
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} |
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public long getMatrixWidth() { |
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return matrixWidth;
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} |
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public void setMatrixWidth(long matrixWidth) { |
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this.matrixWidth = matrixWidth;
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} |
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public long getMatrixHeight() { |
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return matrixHeight;
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} |
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public void setMatrixHeight(long matrixHeight) { |
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this.matrixHeight = matrixHeight;
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} |
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public double[] getTopLeftCorner() { |
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if(topLeftCorner == null) |
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topLeftCorner = new double[2]; |
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return topLeftCorner;
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} |
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public void parse(KXmlParser parser) throws IOException, XmlPullParserException { |
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} |
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/**
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* This function will check if the request coordinates intersects with the tiles in the matrix. If a tile
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* intersects then this will be added to the list.
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*/
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@SuppressWarnings("unchecked") |
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public ArrayList intersects(boolean projected, WMTSTileMatrixLimits tileMatrixLimits, Rectangle2D request, Rectangle2D extentLayer) { |
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double widthMtsTile = 0; |
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double heightMtsTile = 0; |
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if(!projected) {
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widthMtsTile = (scaleDenominator * tileWidth * 0.28) / (MTS_X_GRADO * 1000); |
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heightMtsTile = (scaleDenominator * tileHeight * 0.28) / (MTS_X_GRADO * 1000); |
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} else {
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widthMtsTile = (scaleDenominator * tileWidth * 0.28) / 1000; |
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heightMtsTile = (scaleDenominator * tileHeight * 0.28) / 1000; |
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} |
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double ulx, uly, lrx, lry;
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ArrayList list = new ArrayList(); |
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Rectangle2D r = new Rectangle2D.Double(0, 0, 0, 0); |
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//Recorre la matriz de tiles calculando las coordenadas de cada tile
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//Para cada tile comprueba si intersecta con el ?rea seleccionada si es as?
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//mete el tile en la lista para devolverlo como resultado
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//cambiar esto por un conversor entre coordenadas pixel y reales
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int i = 0, j = 0; |
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double initX = topLeftCorner[1] + (widthMtsTile * tileMatrixLimits.getMinTileCol()); |
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double initY = topLeftCorner[0] - (heightMtsTile * (tileMatrixLimits.getMinTileRow())); |
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for (int row = tileMatrixLimits.getMinTileRow(); row <= tileMatrixLimits.getMaxTileRow(); row++) { |
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uly = initY - (heightMtsTile * i); |
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lry = uly - heightMtsTile; |
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j = 0;
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for (int col = tileMatrixLimits.getMinTileCol(); col <= tileMatrixLimits.getMaxTileCol(); col++) { |
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ulx = initX + (widthMtsTile * j); |
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lrx = ulx + widthMtsTile; |
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r.setRect(Math.min(ulx, lrx), Math.min(uly, lry), Math.abs(ulx - lrx), Math.abs(uly - lry)); |
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if(request.intersects(r)) {
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list.add(new Tile(tileWidth, tileHeight, row, col, ulx, uly, lrx, lry));
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} |
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j ++; |
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} |
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i ++; |
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} |
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return list;
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} |
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/**
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* This function will check if the request coordinates intersects with the tiles in the matrix. If a tile
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* intersects then this will be added to the list.
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*/
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@SuppressWarnings("unchecked") |
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public ArrayList intersects(boolean projected, Rectangle2D request, Rectangle2D extentLayer) { |
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double widthMtsTile = 0; |
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double heightMtsTile = 0; |
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if(!projected) {
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widthMtsTile = (scaleDenominator * tileWidth * 0.28) / (MTS_X_GRADO * 1000); |
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heightMtsTile = (scaleDenominator * tileHeight * 0.28) / (MTS_X_GRADO * 1000); |
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} else {
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widthMtsTile = (scaleDenominator * tileWidth * 0.28) / 1000; |
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heightMtsTile = (scaleDenominator * tileHeight * 0.28) / 1000; |
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} |
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double ulx, uly, lrx, lry;
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ArrayList list = new ArrayList(); |
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Rectangle2D r = new Rectangle2D.Double(0, 0, 0, 0); |
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//Recorre la matriz de tiles calculando las coordenadas de cada tile
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//Para cada tile comprueba si intersecta con el ?rea seleccionada si es as?
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//mete el tile en la lista para devolverlo como resultado
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int i = 0, j = 0; |
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double initX = topLeftCorner[1]; |
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double initY = topLeftCorner[0]; |
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//cambiar esto por un conversor entre coordenadas pixel y reales
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for (int row = 0; row < matrixHeight; row++) { |
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uly = initY - (heightMtsTile * i); |
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lry = uly - heightMtsTile; |
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j = 0;
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for (int col = 0; col < matrixWidth; col++) { |
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ulx = initX + (widthMtsTile * j); |
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lrx = ulx + widthMtsTile; |
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r.setRect(Math.min(ulx, lrx), Math.min(uly, lry), Math.abs(ulx - lrx), Math.abs(uly - lry)); |
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if(request.intersects(r)) {
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list.add(new Tile(tileWidth, tileHeight, row, col, ulx, uly, lrx, lry));
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} |
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j ++; |
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} |
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i ++; |
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} |
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return list;
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} |
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public void print() { |
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System.out.println(" *****WMTSTileMatrix******"); |
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System.out.println(" scaleDenominator:" + getScaleDenominator()); |
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if(topLeftCorner != null) |
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System.out.println(" topLeftCorner:" + topLeftCorner[0] + ", " + topLeftCorner[1]); |
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System.out.println(" tileWidth:" + getTileWidth()); |
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System.out.println(" tileHeight:" + getTileHeight()); |
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System.out.println(" matrixWidth:" + getMatrixWidth()); |
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System.out.println(" matrixHeight:" + getMatrixHeight()); |
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} |
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} |