Revision 3578 trunk/libraries/libCq CMS for java.old/src/org/cresques/io/raster/RasterFilter.java
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package org.cresques.io.raster; |
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import java.awt.Image; |
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import java.util.Hashtable; |
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import org.cresques.geo.ViewPortData; |
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import org.cresques.px.Extent; |
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/** |
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* Filtro para raster. Ancestro de todos los filtros. |
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* @author Luis W. Sevilla (sevilla_lui@gva.es) |
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*/ |
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public abstract class RasterFilter implements IRasterFilter {
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protected RasterBuf raster = null; |
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protected RasterStats stats = null; |
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protected Image image = null; |
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protected int[] px = new int[4]; |
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protected int height = 0; |
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protected int width = 0; |
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protected Hashtable params = new Hashtable(); |
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protected int incX = 1; |
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protected int incY = 1; |
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protected boolean exec = true; //Si est? a false no se ejecuta el filtro |
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protected RasterBuf raster = null; |
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protected RasterStats stats = null; |
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protected Image image = null; |
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protected int[] px = new int[4]; |
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protected int height = 0; |
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protected int width = 0; |
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protected Hashtable params = new Hashtable(); |
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protected int incX = 1; |
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protected int incY = 1; |
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protected ViewPortData viewPortData = null; |
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protected Extent extent = null; |
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/** |
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* Variable que control la aplicaci?n o no del filtro. Si est? a false aunque est? en |
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* la pila el filtro no se ejecutar?. |
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*/ |
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protected boolean exec = true; |
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/** |
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* @author Nacho Brodin (brodin_ign@gva.es) |
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*/ |
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public static class Kernel{
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public float[][] kernel = null; |
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public Kernel(float[][] k){
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this.kernel = k; |
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} |
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public float kernelOperation(Kernel k){
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float res = 0; |
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for(int i=0;i<3;i++) |
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for(int j=0;j<3;j++) |
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res += kernel[i][j] * k.kernel[i][j]; |
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return res; |
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} |
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} |
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/** |
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* Constructor |
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*/ |
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public RasterFilter() {
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/** |
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* A?ade un par?metro al filtro |
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* @param name Clave del par?metro |
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* @param param Objeto pasado como par?metro |
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*/ |
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public void addParam(String name, Object param) {
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params.put(name, param); |
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} |
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/** |
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* Elimina un par?metro del filtro |
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* @param name Clave del par?metro a eliminar |
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*/ |
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public void removeParam(String name){
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params.remove(name); |
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} |
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/** |
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* Obtiene un par?metro a partir de la clave |
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* @param name Par?metro |
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* @return Par?metro |
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*/ |
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public Object getParam(String name){
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return params.get(name); |
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} |
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/** |
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* Funci?n que contiene el c?digo a ejecutar antes de aplicar el filtro |
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*/ |
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abstract public void pre(); |
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* @param name clave para obtener un objeto resultado del filtro. |
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*/ |
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abstract public Object getResult(String name); |
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/** |
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* @param viewPortData The viewPortData to set. |
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*/ |
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public void setViewPortData(ViewPortData viewPortData) {
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this.viewPortData = viewPortData; |
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} |
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/** |
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* @param extent The extent to set. |
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*/ |
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public void setExtent(Extent extent) {
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this.extent = extent; |
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} |
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} |
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