svn-gvsig-desktop / tags / v1_0_1_RELEASE / libraries / libCq CMS for java.old / src / org / cresques / io / TifGeoRefFile.java @ 9531
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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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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* cresques@gmail.com
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*/
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package org.cresques.io; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.geo.GeoPoint; |
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import org.cresques.geo.Geodetic; |
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import org.cresques.geo.ProjPoint; |
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import org.cresques.geo.Projection; |
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import org.cresques.px.Extent; |
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import java.awt.Dimension; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.io.IOException; |
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/**
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* Soporte para ficheros georeferenciados con World File (.tfw)
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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* @author "Jos? Morell Rama" <morell_josram@gva.es>
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*/
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public class TifGeoRefFile extends GeoRasterFile { |
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geo.raster.GeoRasterFile geoRasterFile = null;
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Extent v = null;
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/**
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* @param name
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*/
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public TifGeoRefFile(IProjection proj, String fName) { |
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super(proj, null); // TODO aqui van las proyecciones |
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fName = DataSource.normalize(fName);
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super.setName(fName);
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System.out.println("jmGeoRaster: " + fName); |
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geoRasterFile = geo.raster.GeoRasterFile.createFile(fName); |
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load(); |
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#load()
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*/
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public GeoFile load() {
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try {
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geoRasterFile.open(); |
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if (!(proj instanceof Geodetic) && (proj instanceof Projection) && |
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(geoRasterFile.getOriginX() >= -180.0) &&
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(geoRasterFile.getOriginX() <= 180.0)) {
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GeoPoint gPt = new GeoPoint(geoRasterFile.getOriginX(),
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geoRasterFile.getOriginY()); |
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ProjPoint pt = (ProjPoint) getProjection().createPoint(0.0, 0.0); |
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pt = (ProjPoint) ((Geodetic) getProjection()).fromGeo(gPt, pt); |
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GeoPoint gPt2 = new GeoPoint(geoRasterFile.getOriginX() +
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geoRasterFile.getCellIncrementX(), |
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geoRasterFile.getOriginY() + |
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geoRasterFile.getCellIncrementY()); |
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ProjPoint pt2 = (ProjPoint) ((Geodetic) getProjection()).createPoint(0.0,
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0.0);
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pt2 = (ProjPoint) ((Geodetic) getProjection()).fromGeo(gPt2, pt2); |
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geoRasterFile.setOriginX(pt.getX()); |
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geoRasterFile.setOriginY(pt.getY()); |
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geoRasterFile.setCellIncrementX(pt2.getX() - pt.getX()); |
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geoRasterFile.setCellIncrementY(pt2.getY() - pt.getY()); |
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//geoRasterFile.computeExtent();
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} |
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extent = new Extent(geoRasterFile.getExtent());
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System.out.println("jmGeoRaster: Extent=" + extent); |
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geoRasterFile.setOriginRaster(new Point(0, 0)); |
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geoRasterFile.setGraphics2Doffset(new Point(0, 0)); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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geoRasterFile = null;
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} |
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return this; |
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} |
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public int getWidth() { |
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return geoRasterFile.getWidth();
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} |
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public int getHeight() { |
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return geoRasterFile.getHeight();
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#setView(org.cresques.px.Extent)
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*/
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public void setView(Extent e) { |
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v = new Extent(e);
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} |
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public Extent getView() {
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return v;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#setTransparency(boolean)
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*/
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public void setTransparency(boolean t) { |
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//transparency = t;
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} |
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public void setTransparency(int t) { |
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//transparency = t;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.geo.ReProjection)
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*/
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public Image updateImage(int width, int height, ICoordTrans rp) { |
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double viewportScale = (double) width / v.width(); |
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Dimension sz = new Dimension(width, height); |
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//return geoRasterFile.window(v.toRectangle2D(), viewportScale);
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return ((geo.raster.GeoRasterFile) geoRasterFile).updateImage(sz,
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v.toRectangle2D(), |
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viewportScale); |
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.geo.ReProjection)
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*/
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public void reProject(ICoordTrans rp) { |
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// TODO Auto-generated method stub
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#close()
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*/
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public void close() { |
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
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*/
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public Image updateImage(int width, int height, ICoordTrans rp, Image img, |
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int flags) {
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// TODO Auto-generated method stub
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return updateImage(width, height, rp) ;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)
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*/
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public Image updateImage(int width, int height, ICoordTrans rp, Image img, |
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int origBand, int destBand) { |
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// TODO Auto-generated method stub
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return updateImage(width, height, rp) ;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#getData(int, int)
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*/
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public Object getData(int x, int y, int band) { |
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// TODO Auto-generated method stub
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return null; |
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} |
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public int getBlockSize() { |
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return 0; |
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} |
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public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band) { |
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return null; |
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} |
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public void setExtentTransform(double originX, double originY, double psX, double psY) {} |
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} |