gvsig-raster / org.gvsig.raster.wmts / trunk / org.gvsig.raster.wmts / org.gvsig.raster.wmts.io / src / main / java / org / gvsig / raster / wmts / io / downloader / WMTSCacheStruct.java @ 393
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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.raster.wmts.io.downloader; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.raster.wmts.io.WMTSProvider; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.store.parameter.WMTSDataParameters; |
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import org.gvsig.fmap.dal.coverage.util.MathUtils; |
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import org.gvsig.raster.cache.tile.Tile; |
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import org.gvsig.raster.cache.tile.provider.CacheStruct; |
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import org.gvsig.remoteclient.wmts.WMTSStatus; |
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import org.gvsig.remoteclient.wmts.struct.WMTSTileMatrix; |
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import org.gvsig.remoteclient.wmts.struct.WMTSTileMatrixLimits; |
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import org.gvsig.remoteclient.wmts.struct.WMTSTileMatrixSet; |
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import org.gvsig.remoteclient.wmts.struct.WMTSTileMatrixSetLink; |
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import org.gvsig.raster.cache.tile.TileCacheLocator; |
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import org.gvsig.raster.cache.tile.TileCacheManager; |
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/**
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* Implementation for a structure of a cache
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class WMTSCacheStruct implements CacheStruct { |
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private String layerName = null; |
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private String serverURL = null; |
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private WMTSTileMatrixSet tileMatrixSet = null; |
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private ArrayList<?> tileMatrixSetLimits = null; |
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private double[] pixelSize = null; |
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private WMTSProvider provider = null; |
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public WMTSCacheStruct(WMTSProvider provider, WMTSTileMatrixSetLink tileMatrixSetLink) {
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this.provider = provider;
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this.tileMatrixSet = tileMatrixSetLink.getTileMatrixSet();
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this.tileMatrixSetLimits = tileMatrixSetLink.getTileMatrixLimits();
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pixelSize = provider.getPixelSizeByLevel(); |
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layerName = provider.getFName(); |
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serverURL = ((WMTSDataParameters)provider.getDataParameters()).getHost(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getNumberOfLevels()
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*/
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public int getNumberOfLevels() { |
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return tileMatrixSet.getTileMatrix().size();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getLayerName()
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*/
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public String getLayerName() { |
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return layerName;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getServerURL()
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*/
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public String getServerURL() { |
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return serverURL;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getTileSizeByLevel(int)
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*/
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public int[] getTileSizeByLevel(int level) { |
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return new int[] { |
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((WMTSTileMatrix)tileMatrixSet.getTileMatrix().get(level)).getTileWidth(), |
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((WMTSTileMatrix)tileMatrixSet.getTileMatrix().get(level)).getTileHeight() |
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}; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getLayerWidthOfTileMatrixByLevel(int)
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*/
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public int getLayerWidthOfTileMatrixByLevel(int level) { |
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WMTSTileMatrixLimits l = (WMTSTileMatrixLimits)tileMatrixSetLimits.get(level); |
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return l.getMaxTileRow() - l.getMinTileRow();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getLayerHeightOfTileMatrixByLevel(int)
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*/
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public int getLayerHeightOfTileMatrixByLevel(int level) { |
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WMTSTileMatrixLimits l = (WMTSTileMatrixLimits)tileMatrixSetLimits.get(level); |
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return l.getMaxTileCol() - l.getMinTileCol();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getLayerInitXTilePositionByLevel(int)
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*/
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public int getLayerInitXTilePositionByLevel(int level) { |
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WMTSTileMatrixLimits l = (WMTSTileMatrixLimits)tileMatrixSetLimits.get(level); |
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return l.getMinTileCol();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getLayerInitYTilePositionByLevel(int)
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*/
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public int getLayerInitYTilePositionByLevel(int level) { |
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WMTSTileMatrixLimits l = (WMTSTileMatrixLimits)tileMatrixSetLimits.get(level); |
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return l.getMinTileRow();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getWorldHeightOfTileMatrixByLevel(int)
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*/
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public long getWorldHeightOfTileMatrixByLevel(int level) { |
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return ((WMTSTileMatrix)tileMatrixSet.getTileMatrix().get(level)).getMatrixWidth();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getWorldWidthOfTileMatrixByLevel(int)
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*/
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public long getWorldWidthOfTileMatrixByLevel(int level) { |
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return ((WMTSTileMatrix)tileMatrixSet.getTileMatrix().get(level)).getMatrixHeight();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getPixelSizeByLevel(int)
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*/
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public double getPixelSizeByLevel(int level) { |
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if(level < pixelSize.length)
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return pixelSize[level];
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else
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return pixelSize[pixelSize.length - 1]; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getTileExtent(org.gvsig.raster.cache.tile.Tile)
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*/
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public Point2D[] getTileExtent(Tile tile) { |
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return getTileExtent(tile.getLevel(), tile.getCol(), tile.getRow());
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getTileExtent(int, int, int)
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*/
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public Point2D[] getTileExtent(int level, int col, int row) { |
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double[] ul = tileMatrixSet.getBoundingBox().getUpperCorner(); |
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long tileWidth = ((WMTSTileMatrix)tileMatrixSet.getTileMatrix().get(level)).getTileWidth();
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long tileHeight = ((WMTSTileMatrix)tileMatrixSet.getTileMatrix().get(level)).getTileHeight();
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double mtsWidthTile = tileWidth * pixelSize[level];
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double mtsHeightTile = tileHeight * pixelSize[level];
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double ulx = ul[0] + (col * mtsWidthTile); |
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double uly = ulx + mtsWidthTile;
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double lrx = ul[1] - (row * mtsHeightTile); |
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double lry = lrx - mtsHeightTile;
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return new Point2D[]{new Point2D.Double(ulx, uly), new Point2D.Double(lrx, lry)}; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getTileList(java.awt.geom.Point2D, java.awt.geom.Point2D)
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*/
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@SuppressWarnings("unchecked") |
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public ArrayList<Tile> getTileList(Point2D ul, Point2D lr, double mtsPixelRequest) { |
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Rectangle2D r = new Rectangle2D.Double(Math.min(ul.getX(), lr.getX()), |
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Math.min(ul.getY(), lr.getY()),
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Math.abs(ul.getX() - lr.getX()),
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Math.abs(ul.getY() - lr.getY()));
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int bufWidth = (int)(r.getWidth() / mtsPixelRequest); |
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int bufHeight = (int)(r.getHeight() / mtsPixelRequest); |
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try {
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WMTSStatus status = provider.buildWMTSStatus(r, bufWidth, bufHeight); |
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//Conversi?n a tiles de la librer?a
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ArrayList<org.gvsig.remoteclient.wmts.struct.WMTSTileMatrix.Tile> tiles = status.getTileList();
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ArrayList<Tile> tileList = new ArrayList<Tile>(); |
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for (int i = 0; i < tiles.size(); i++) { |
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org.gvsig.remoteclient.wmts.struct.WMTSTileMatrix.Tile tOrigin = (org.gvsig.remoteclient.wmts.struct.WMTSTileMatrix.Tile) tiles.get(i); |
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Tile t = TileCacheLocator.getManager().createTile(status.getLevel(), tOrigin.col, tOrigin.row); |
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t.setUl(new Point2D.Double(tOrigin.ulx, tOrigin.uly)); |
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t.setLr(new Point2D.Double(tOrigin.lrx, tOrigin.lry)); |
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t.setWidthPx(tOrigin.wPx); |
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t.setHeightPx(tOrigin.hPx); |
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t.setDownloaderParams("WMTSStatus", status);
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tileList.add(t); |
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} |
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return tileList;
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getTileSizeInRealCoordsByLevel(int)
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*/
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public double[] getTileSizeInRealCoordsByLevel(int level) { |
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return new double[] { |
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getPixelSizeByLevel(level) * getTileSizeByLevel(level)[0],
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getPixelSizeByLevel(level) * getTileSizeByLevel(level)[1]
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}; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#getFileSuffix()
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*/
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public String getFileSuffix() { |
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return provider.getFileSuffix();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.provider.CacheStruct#compare(org.gvsig.raster.cache.tile.provider.CacheStruct)
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*/
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public boolean compare(CacheStruct struct) { |
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MathUtils mu = RasterLocator.getManager().getMathUtils(); |
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//Compara: n?mero de niveles, tama?o de tile,
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//anchoXalto de la matriz, tama?o de pixel por nivel,
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//coordenadas de al menos un tile de la matriz
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if(struct.getNumberOfLevels() == getNumberOfLevels()) {
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for (int i = 0; i < getNumberOfLevels(); i++) { |
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if( struct.getTileSizeByLevel(i)[0] == getTileSizeByLevel(i)[0] && |
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struct.getTileSizeByLevel(i)[1] == getTileSizeByLevel(i)[1] && |
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struct.getWorldHeightOfTileMatrixByLevel(i) == getWorldHeightOfTileMatrixByLevel(i) && |
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struct.getWorldWidthOfTileMatrixByLevel(i) == getWorldWidthOfTileMatrixByLevel(i) && |
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mu.clipDecimals(struct.getPixelSizeByLevel(i), 2) == mu.clipDecimals(getPixelSizeByLevel(i), 2) && |
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compareExtents(struct.getTileExtent(i, 0, 0), getTileExtent(i, 0, 0))) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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private boolean compareExtents(Point2D[] p, Point2D[] p1) { |
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return (p[0].getX() == p1[0].getX() && p[0].getY() == p1[0].getY() && |
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p[1].getX() == p1[1].getX() && p[1].getY() == p1[1].getY()); |
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} |
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} |