gvsig-raster / org.gvsig.raster.cache / trunk / org.gvsig.raster.cache / org.gvsig.raster.cache.lib.impl / src / main / java / org / gvsig / raster / cache / tile / impl / TileImpl.java @ 595
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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.cache.tile.impl; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.util.HashMap; |
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import org.gvsig.raster.cache.tile.AtomicTask; |
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import org.gvsig.raster.cache.tile.Tile; |
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import org.gvsig.raster.cache.tile.exception.TileGettingException; |
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import org.gvsig.raster.cache.tile.impl.pool.TilePipe; |
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import org.gvsig.raster.cache.tile.provider.Downloader; |
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/**
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* Main implementation for the tile cache
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class TileImpl implements Tile { |
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private boolean corrupt = false; |
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private int level = 0; |
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private int col = 0; |
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private int row = 0; |
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private int widthPx = 0; |
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private int heightPx = 0; |
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private Point2D ul = null; |
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private Point2D lr = null; |
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private File file = null; |
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private Downloader downloader = null; |
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private HashMap<String, Object> |
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downloaderParams = new HashMap<String, Object>(); |
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private TilePipe sharedPipe = null; |
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private int priority = 0; |
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private Object[] data = null; |
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public TileImpl(int level, int col, int row) { |
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this.level = level;
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this.col = col;
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this.row = row;
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} |
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public TileImpl(int wPx, int hPx, int row, int col, Point2D ul, Point2D lr) { |
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this.row = row;
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this.col = col;
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this.ul = ul;
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this.lr = lr;
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this.widthPx = wPx;
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this.heightPx = hPx;
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} |
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/**
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* Convierte un punto desde del mundo a coordenadas pixel.
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* @param pt Punto a transformar
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* @return punto transformado en coordenadas pixel
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*/
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public Point2D worldToRaster(Point2D pt) { |
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Point2D p = new Point2D.Double(); |
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double psX = (lr.getX() - ul.getX()) / widthPx;
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double psY = (lr.getY() - ul.getY()) / heightPx;
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AffineTransform t = new AffineTransform(psX, 0, 0, psY, ul.getX() - (psX / 2), ul.getY() + (psY / 2)); |
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try {
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t.inverseTransform(pt, p); |
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} catch (NoninvertibleTransformException e) { |
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return pt;
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} |
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return p;
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} |
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public Tile cloneTile() {
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TileImpl newTile = new TileImpl(widthPx, heightPx, row, col, (Point2D)ul.clone(), (Point2D)lr.clone()); |
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newTile.file = file; |
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return newTile;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.tilecache.Tile#getLevel()
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*/
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public int getLevel() { |
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return level;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.tilecache.Tile#getX()
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*/
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public int getCol() { |
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return col;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.tilecache.Tile#getY()
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*/
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public int getRow() { |
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return row;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.tilecache.Tile#setX(int)
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*/
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public void setCol(int col) { |
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this.col = col;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.tilecache.Tile#setY(int)
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*/
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public void setRow(int row) { |
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this.row = row;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.tilecache.Tile#setLevel(int)
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*/
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public void setLevel(int level) { |
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this.level = level;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getWidthPx()
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*/
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public int getWidthPx() { |
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return widthPx;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setWidthPx(int)
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*/
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public void setWidthPx(int widthPx) { |
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this.widthPx = widthPx;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getHeightPx()
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*/
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public int getHeightPx() { |
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return heightPx;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setHeightPx(int)
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*/
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public void setHeightPx(int heightPx) { |
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this.heightPx = heightPx;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getExtent()
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*/
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public Rectangle2D getExtent() { |
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return new Rectangle2D.Double(ul.getX(), ul.getY(), |
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Math.abs(ul.getX() - lr.getX()), Math.abs(ul.getY() - lr.getY())); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getUl()
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*/
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public Point2D getUl() { |
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return ul;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setUl(java.awt.geom.Point2D)
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*/
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public void setUl(Point2D ul) { |
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this.ul = ul;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getLr()
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*/
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public Point2D getLr() { |
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return lr;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setLr(java.awt.geom.Point2D)
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*/
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public void setLr(Point2D lr) { |
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this.lr = lr;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getFile()
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*/
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public File getFile() { |
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return file;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setFile(java.io.File)
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*/
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public void setFile(File file) { |
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this.file = file;
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} |
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/**
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* Gets the downloader for this tile
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* @return
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*/
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public Downloader getDownloader() {
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return downloader;
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} |
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/**
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* Sets the downloader for this tile
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* @param downloader
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*/
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public void setDownloader(Downloader downloader) { |
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this.downloader = downloader;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getDownloaderParams()
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*/
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public Object getDownloaderParams(String key) { |
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return downloaderParams.get(key.toUpperCase());
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setDownloaderParams(java.lang.Object[])
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*/
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public void setDownloaderParams(String key, Object value) { |
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this.downloaderParams.put(key.toUpperCase(), value);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setCorrupt()
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*/
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public void setCorrupt() { |
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corrupt = true;
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} |
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/**
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* Actions for download a tile
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*/
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public void run() { |
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try {
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downloader.downloadTile(this);
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if(!corrupt && sharedPipe != null) |
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sharedPipe.setTile(this);
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corrupt = false;
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} catch (TileGettingException e) {
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} |
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//System.out.println("Downloading " + this.getRow() + " " + this.getCol());
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} |
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/**
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* Gets the pipe of tiles
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* @return
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*/
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public TilePipe getSharedPipe() {
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return sharedPipe;
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} |
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/**
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* Sets the pipe of tiles
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* @param sharedPipe
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*/
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public void setSharedPipe(TilePipe sharedPipe) { |
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this.sharedPipe = sharedPipe;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getId()
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*/
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public String getId() { |
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return getLevel() + "_" + getRow() + "_" + getCol(); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.AtomicTask#getPriority()
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*/
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public int getPriority() { |
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return priority;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.AtomicTask#setPriority(int)
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*/
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public void setPriority(int priority) { |
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this.priority = priority;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#setData(java.lang.Object)
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*/
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public void setData(Object[] data) { |
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this.data = data;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#getData()
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*/
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public Object[] getData() { |
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return data;
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} |
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/*
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* (non-Javadoc)
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* @see java.lang.Comparable#compareTo(java.lang.Object)
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*/
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public int compareTo(AtomicTask o) { |
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if(getPriority() > o.getPriority())
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return 1; |
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if(getPriority() < o.getPriority())
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return -1; |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.cache.tile.Tile#dataIsLoaded()
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*/
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public boolean dataIsLoaded() { |
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return (getData() != null && getData().length > 0); |
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} |
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} |