svn-gvsig-desktop / trunk / extensions / extGeoreferencing / src / com / iver / cit / gvsig / fmap / layers / FLyrGeoRaster.java @ 5352
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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) 2004 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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package com.iver.cit.gvsig.fmap.layers; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import org.cresques.px.Extent; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.FMap; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.gui.View; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.swing.threads.Cancellable; |
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/**
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* Clase de capa raster georeferenciada.
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*
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* @author Nacho Brodin (brodin_ign@gva.es)
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*/
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public class FLyrGeoRaster extends FLyrRaster{ |
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//**********************Vars****************************************
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private Extent assignExtent = null; |
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private IStackZoom zoom = null; |
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private FLyrPoints lyrPoints = null; |
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private double widthPxImg, heightPxImg; |
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private ViewPort viewPortWithoutTransformation = null; |
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/**
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* Dialogo de georreferenciaci?n asociado a la capa.
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*/
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private IGeoUi geoUI = null; |
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private IPersistence persistence = null; |
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//**********************End Vars************************************
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//**********************Methods*************************************
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public FLyrGeoRaster(){
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} |
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/**
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* Contructor
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*/
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public FLyrGeoRaster(IPersistence persistence, IStackZoom zoom){
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this.persistence = persistence;
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this.zoom = zoom;
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} |
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/**
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* Funci?n encargada de realizar la transformaci?n para las coordenadas
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* del viewPort que se quiere dibujar. Para esta transformaci?n se tiene
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* en cuenta que la imagen tiene un extent propio y uno asignado por el
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* usuario por lo que habr? que transformar las coordenadas que solicita
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* el usuario en coordenadas de la imagen.
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* @param vp ViewPort solicitado por el usuario.
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* @return ViewPort transformado a coordenadas de la imagen.
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*/
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public ViewPort toImageCoord(ViewPort vp) throws DriverException{ |
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this.viewPortWithoutTransformation = vp;
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if(this.assignExtent == null) |
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return vp;
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//Para la transformaci?n trasladamos virtualmente los extents, el real de la imagen
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// y el asignado al centro del eje de coordenadas. Despu?s trasladamos el viewPort
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//(vpTrasExtent) y con las proporciones de los 2 extents hallamos en ancho, alto y
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//coordenada de inicio del viewport. Todo esto equivale a trasladar y escalar el
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//viewPort para hallar el nuevo.
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Rectangle2D userExtent = new Rectangle2D.Double(assignExtent.minX(), |
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assignExtent.minY(), |
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assignExtent.width(), |
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assignExtent.height()); |
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Rectangle2D imageExtent = super.getFullExtent(); |
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Rectangle2D vpExtent = vp.getExtent();
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//Traslaci?n del viewport estando el extent posicionado en el 0,0
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Rectangle2D vpTrasExtent = new Rectangle2D.Double( vpExtent.getMinX() - userExtent.getMinX(), |
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vpExtent.getMinY() - userExtent.getMinY(), |
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vpExtent.getWidth(), |
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vpExtent.getHeight()); |
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double x = 0D, y = 0D, width = 0D, height = 0D; |
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//Escalado de la anchura y altura. No hace falta traslaci?n
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width = (vpExtent.getWidth() * imageExtent.getWidth())/assignExtent.width(); |
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height = (vpExtent.getHeight() * imageExtent.getHeight())/assignExtent.height(); |
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//Escalado del min del viewport para hallar el min del nuevo
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x = (vpTrasExtent.getMinX() * imageExtent.getWidth())/assignExtent.width(); |
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y = (vpTrasExtent.getMinY() * imageExtent.getHeight())/assignExtent.height(); |
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//Traslaci?n
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x += imageExtent.getMinX(); |
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y += imageExtent.getMinY(); |
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Rectangle2D newExtent = new Rectangle2D.Double(x, y, width, height); |
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ViewPort viewPort = new ViewPort(vp.getProjection());
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viewPort.setExtent(newExtent); |
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viewPort.setImageSize(vp.getImageSize()); |
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viewPort.setScale(); |
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return viewPort;
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} |
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/**
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* Dibujado de la capa de raster georeferenciado aplicando la
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* transformaci?n del viewPort.
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort vp, |
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Cancellable cancel,double scale) throws DriverException { |
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super.draw(image, g, this.toImageCoord(vp), cancel, scale); |
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} |
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/**
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* Impresi?n de la capa de raster georeferenciado aplicando la
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* transformaci?n del viewPort.
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
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double scale)throws DriverException { |
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super.print(g, this.toImageCoord(viewPort), cancel, scale); |
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} |
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/**
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* Impresi?n de la capa de raster georeferenciado aplicando la
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* transformaci?n del viewPort.
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*/
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public void _print(Graphics2D g, ViewPort viewPort, Cancellable cancel,double scale) |
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throws DriverException {
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_print(g, this.toImageCoord(viewPort), cancel, scale);
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} |
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/**
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* Transforma un pixel de la imagen cuyas coordenadas son (0..maxWidth, 0..maxHeight)
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* en coordenadas del mundo real a partir del extent asignado a la imagen.
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* @param pixel Pixel de la imagen
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* @return Coordenadas del mundo de ese pixel
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*/
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public Point2D img2World(Point2D pixel){ |
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Point2D p = new Point2D.Double(); |
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double wcWidth = 0.0, wcHeight = 0.0; |
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double mapImgX = 0, mapImgY = 0; |
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try{
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wcWidth = getFullExtent().getWidth(); |
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wcHeight = getFullExtent().getHeight(); |
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mapImgX = ((((pixel.getX() * wcWidth) / widthPxImg)) + this.getFullExtent().getMinX());
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mapImgY = ((((pixel.getY() * wcHeight) / heightPxImg)) + this.getFullExtent().getMinY());
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}catch(DriverException ex){}
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p.setLocation(mapImgX, mapImgY); |
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return p;
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} |
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/**
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* Transforma un pixel de la imagen cuyas coordenadas son (0..maxWidth, 0..maxHeight)
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* en coordenadas del mundo real a partir del extent asignado a la imagen.
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* @param x Coordenada X del pixel de la imagen
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* @param y Coordenada Y del pixel de la imagen
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* @return Coordenadas del mundo de ese pixel
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*/
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public Point2D img2World(double x, double y){ |
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Point2D p = new Point2D.Double(); |
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p.setLocation(x, y); |
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return this.img2World(p); |
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} |
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/**
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* Transforma una coordenada del mundo real a un pixel (0..maxWidth, 0..maxHeight)
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* en coordenadas de la imagen a partir del extent asignado a esta.
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* @param wcPoint coordenada del mundo
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* @return Pixel de la imagen
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*/
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public Point2D world2Img(Point2D wcPoint){ |
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//Si el punto cae fuera de la imagen salimos devolviendo null
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while( wcPoint.getX() < this.getMinX() || |
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wcPoint.getX() > this.getMaxX() ||
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wcPoint.getY() < this.getMinY() ||
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wcPoint.getY() > this.getMaxY())
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return null; |
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//Hallamos pixelImg q son las coordenadas en pixeles de la imagen que corresponden
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//con el punto wcPoint
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double wcWidth = 0.0, wcHeight = 0.0, ptoWCX = 0.0, ptoWCY = 0.0; |
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int pixelImgX = 0, pixelImgY = 0; |
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try{
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wcWidth = this.getFullExtent().getWidth();
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wcHeight = this.getFullExtent().getHeight();
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ptoWCX = wcPoint.getX() - this.getFullExtent().getMinX();
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ptoWCY = wcPoint.getY() - this.getFullExtent().getMinY();
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pixelImgX = (int)((ptoWCX * this.getImageWidth()) / wcWidth); |
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pixelImgY = (int)((ptoWCY * this.getImageHeight()) / wcHeight); |
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}catch(DriverException ex){}
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Point2D result = new Point2D.Double(); |
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result.setLocation(pixelImgX, pixelImgY); |
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return result;
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} |
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/**
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* Transforma una coordenada del mundo real a un pixel (0..maxWidth, 0..maxHeight)
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* en coordenadas de la imagen a partir del extent asignado a esta.
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* @param x wcPoint coordenada X del mundo
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* @param y wcPoint coordenada Y del mundo
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* @return Pixel de la imagen
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*/
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public Point2D world2Img(double x, double y){ |
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Point2D p = new Point2D.Double(); |
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p.setLocation(x, y); |
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return this.world2Img(p); |
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} |
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/**
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* Recupera el extent asignado, si existe y llama al setXMLEntity de la capa de puntos
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*/
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public void setXMLEntity(XMLEntity xml)throws XMLException { |
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super.setXMLEntity(xml);
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if (xml.contains("raster.assignExtent.minX") && |
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xml.contains("raster.assignExtent.minY") &&
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xml.contains("raster.assignExtent.maxX") &&
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xml.contains("raster.assignExtent.maxY")){
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this.assignExtent = new Extent(xml.getDoubleProperty("raster.assignExtent.minX"), |
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xml.getDoubleProperty("raster.assignExtent.minY"),
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xml.getDoubleProperty("raster.assignExtent.maxX"),
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xml.getDoubleProperty("raster.assignExtent.maxY"));
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} |
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if (xml.contains("raster.assignExtent.imageWidth") && |
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xml.contains("raster.assignExtent.imageHeight")){
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this.widthPxImg = xml.getDoubleProperty("raster.assignExtent.imageWidth"); |
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this.heightPxImg = xml.getDoubleProperty("raster.assignExtent.imageHeight"); |
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} |
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} |
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/**
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* Cambia el nombre a la capa de puntos si esta empieza por * para que no se salve con ese
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* nombre y llama a getXMLEntity del padre. Salva el extent asignado, si existe y llama a
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* getXMLEntity de la capa de puntos para que se guarden los puntos de control en el proyecto.
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* @throws XMLException
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*/
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public XMLEntity getXMLEntity() throws XMLException { |
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boolean active = false; |
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if(getName().startsWith("*")){ |
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setName(getName().substring(1, getName().length()));
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active = true;
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} |
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XMLEntity xml = super.getXMLEntity();
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if(active)
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setName("*"+getName());
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if(this.assignExtent != null){ |
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xml.putProperty("raster.assignExtent.minX", assignExtent.getMin().getX());
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xml.putProperty("raster.assignExtent.minY", assignExtent.getMin().getY());
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xml.putProperty("raster.assignExtent.maxX", assignExtent.getMax().getX());
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xml.putProperty("raster.assignExtent.maxY", assignExtent.getMax().getY());
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xml.putProperty("raster.assignExtent.imageWidth", this.getImageWidth()); |
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xml.putProperty("raster.assignExtent.imageHeight", this.getImageHeight()); |
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} |
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return xml;
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} |
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/**
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* A partir de nuevas coordenadas actualiza la vista, minimagen, capa de puntos el
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* dialogo y la tabla.
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*
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*/
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public void updateData(int nPunto, Point2D pixel, Point2D map, View view){ |
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this.geoUI.updateData(nPunto, pixel, map, view);
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} |
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//**********************End Methods**********************************
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//**********************Setters & Getters****************************
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/**
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* @return Returns the viewPortWithoutTransform.
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*/
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public ViewPort getViewPortWithoutTransformation() {
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return viewPortWithoutTransformation;
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} |
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/**
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* Asigna la capa de puntos asociada a la capa Georraster
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* @param lyr Capa de puntos
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*/
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public void setFLyrPoints(FLyrPoints lyr){ |
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this.lyrPoints = lyr;
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} |
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/**
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* Obtiene la capa de puntos asociada a la capa Georraster. Si no existe
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* crear? una.
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* @return Capa de puntos
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*/
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public FLyrPoints getFLyrPoints()throws ClassCastException{ |
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//Si no existe una capa de puntos la creamos
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if(lyrPoints == null){ |
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View theView = (View) PluginServices.getMDIManager().getActiveView(); |
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FMap fmap = theView.getMapControl().getMapContext(); |
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lyrPoints = new FLyrPoints(this, persistence); |
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fmap.setGraphicsLayer(lyrPoints); |
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} |
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return lyrPoints;
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} |
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/**
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* Asigna la dimensi?n de la imagen de disco en pixeles
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* @param w Ancho
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* @param h Alto
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*/
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public void setImageDimension(double w, double h){ |
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this.widthPxImg = w;
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this.heightPxImg = h;
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} |
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/**
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* Obtiene el ancho de la imagen de disco en pixeles
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* @return
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*/
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public double getImageWidth(){ |
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return this.widthPxImg; |
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} |
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/**
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* Obtiene el alto de la imagen de disco en pixeles
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* @return
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*/
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public double getImageHeight(){ |
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return this.heightPxImg; |
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} |
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/**
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* @return Returns the geoDialog.
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*/
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public IGeoUi getGeoDialog() {
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return geoUI;
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} |
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/**
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* @param geoDialog The geoDialog to set.
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*/
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public void setGeoDialog(IGeoUi geoDialog) { |
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this.geoUI = geoDialog;
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} |
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/**
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* Obtiene el extent de la capa
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* @return extent en Rectangle2D.
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*/
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public Rectangle2D getFullExtent()throws DriverException { |
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if(assignExtent == null) |
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return super.getFullExtent(); |
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return assignExtent.toRectangle2D();
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} |
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/**
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* Obtiene el extent de la capa
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* @return extent de la capa
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*/
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public Extent getAssignExtent(){
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try{
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if(assignExtent == null) |
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return new Extent( super.getFullExtent().getMinX(), |
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super.getFullExtent().getMinY(),
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super.getFullExtent().getMaxX(),
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super.getFullExtent().getMaxY());
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}catch(DriverException ex){}
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return assignExtent;
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} |
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/**
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* Obtiene el valor del pixel del Image en la posici?n x,y
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* @param x Posici?n x
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* @param y Posici?n y
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* @return valor de pixel
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*/
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/*public int[] getPixel(double wcx, double wcy){
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return ((RasterFileAdapter) source).getPixel(wcx, wcy);
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}*/
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/**
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* Obtiene la coordenada X m?xima
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*/
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public double getMaxX(){ |
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if(assignExtent == null) |
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return super.getMaxX(); |
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return assignExtent.maxX();
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} |
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/**
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* Obtiene la coordenada Y m?xima
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*/
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public double getMaxY(){ |
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if(assignExtent == null) |
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return super.getMaxY(); |
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return assignExtent.maxY();
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} |
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/**
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* Obtiene la coordenada X m?nima
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*/
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public double getMinX(){ |
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if(assignExtent == null) |
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return super.getMinX(); |
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return assignExtent.minX();
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} |
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/**
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* Obtiene la coordenada Y m?nima
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*/
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public double getMinY(){ |
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if(assignExtent == null) |
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return super.getMinY(); |
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return assignExtent.minY();
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} |
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/**
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* Obtiene el alto
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*/
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public double getHeight(){ |
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if(assignExtent == null) |
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return super.getHeight(); |
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return assignExtent.height();
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} |
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/**
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* Obtiene el ancho
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*/
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| 450 |
public double getWidth(){ |
| 451 |
if(assignExtent == null) |
| 452 |
return super.getWidth(); |
| 453 |
return assignExtent.width();
|
| 454 |
} |
| 455 |
|
| 456 |
/**
|
| 457 |
* @param assignExtent The assignExtent to set.
|
| 458 |
*/
|
| 459 |
public void setAssignExtent(Extent assignExtent) { |
| 460 |
if(assignExtent.getMax().distance(assignExtent.getMin()) > 0){ |
| 461 |
this.assignExtent = assignExtent;
|
| 462 |
zoom.setZoom(assignExtent); |
| 463 |
} |
| 464 |
} |
| 465 |
|
| 466 |
/**
|
| 467 |
* Asigna el ?ltimo extent seleccionado si hay alguno
|
| 468 |
*/
|
| 469 |
public void setLastExtent(){ |
| 470 |
Extent e = null;
|
| 471 |
e = zoom.getLastZoom(); |
| 472 |
if(e != null) |
| 473 |
this.assignExtent = e;
|
| 474 |
} |
| 475 |
|
| 476 |
/**
|
| 477 |
* Obtiene la pila de extents aplicados
|
| 478 |
* @return pila de extents
|
| 479 |
*/
|
| 480 |
public IStackZoom getStackZoom(){
|
| 481 |
return zoom;
|
| 482 |
} |
| 483 |
|
| 484 |
/**
|
| 485 |
* Obtiene la capa de puntos
|
| 486 |
* @return FLyrPoints
|
| 487 |
*/
|
| 488 |
public FLyrPoints getLyrPoints() {
|
| 489 |
return lyrPoints;
|
| 490 |
} |
| 491 |
|
| 492 |
/**
|
| 493 |
* Obtiene el objeto que gestiona la persistencia
|
| 494 |
* @return interfaz IPersistence
|
| 495 |
*/
|
| 496 |
public IPersistence getPersistence() {
|
| 497 |
return persistence;
|
| 498 |
} |
| 499 |
|
| 500 |
/**
|
| 501 |
* Asigna el objeto que gestiona la persistencia
|
| 502 |
* @param persistence
|
| 503 |
*/
|
| 504 |
public void setPersistence(IPersistence persistence) { |
| 505 |
this.persistence = persistence;
|
| 506 |
if(this.lyrPoints != null) |
| 507 |
this.lyrPoints.setPersistence(persistence);
|
| 508 |
} |
| 509 |
|
| 510 |
/**
|
| 511 |
* Obtiene el objeto que gestiona la pila de zooms
|
| 512 |
* @return IStackZoom
|
| 513 |
*/
|
| 514 |
public IStackZoom getZoom() {
|
| 515 |
return zoom;
|
| 516 |
} |
| 517 |
|
| 518 |
/**
|
| 519 |
* Asigna el objeto que gestiona la pila de zooms
|
| 520 |
* @param IStackZoom
|
| 521 |
*/
|
| 522 |
public void setZoom(IStackZoom zoom) { |
| 523 |
this.zoom = zoom;
|
| 524 |
} |
| 525 |
//**********************End Setters & Getters************************
|
| 526 |
|
| 527 |
} |