Revision 2669 branches/CqCMSDvp/libraries/libCq CMS for java.old/src/org/cresques/io/raster/ComputeMinMaxShortFilter.java
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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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* 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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* 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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* |
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* cresques@gmail.com |
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*/ |
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package org.cresques.io.raster; |
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* @author Luis W. Sevilla (sevilla_lui@gva.es) |
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*/ |
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public class ComputeMinMaxShortFilter extends ComputeMinMaxFilter {
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/** |
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* Constructor |
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* |
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*/ |
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public ComputeMinMaxShortFilter(){
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super(); |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#pre() |
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*/ |
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public void pre(){
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//Obtenci?n de par?metros |
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this.raster = (RasterBuf)params.get("raster");
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height = raster.getHeight(); |
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width = raster.getWidth(); |
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super.pre(); |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#process(int, int) |
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*/ |
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public void process(int x, int y) {
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raster.getElemInt(x, y, px); |
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/** |
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* Constructor |
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* |
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*/ |
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public ComputeMinMaxShortFilter() {
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super(); |
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} |
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int pxBand = px[0]; |
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if(pxBand<min[0]){
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secondMin[0] = min[0]; |
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min[0] = pxBand; |
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}else if(pxBand < secondMin[0] && pxBand!=min[0]) |
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secondMin[0] = pxBand; |
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if(pxBand>max[0]){
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secondMax[0] = max[0]; |
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max[0] = pxBand; |
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}else if(pxBand > secondMax[0] && pxBand!=max[0]) |
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secondMax[0] = pxBand; |
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pxBand = px[1]; |
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if(pxBand<min[1]){
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secondMin[1] = min[1]; |
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min[1] = pxBand; |
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}else if(pxBand < secondMin[1] && pxBand!=min[1]) |
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secondMin[1] = pxBand; |
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if(pxBand>max[1]){
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secondMax[1] = max[1]; |
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max[1] = pxBand; |
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}else if(pxBand > secondMax[1] && pxBand!=max[1]) |
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secondMax[1] = pxBand; |
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pxBand = px[2]; |
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if(pxBand<min[2]){
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secondMin[2] = min[2]; |
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min[2] = pxBand; |
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}else if(pxBand < secondMin[2] && pxBand!=min[2]) |
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secondMin[2] = pxBand; |
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if(pxBand>max[2]){
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secondMax[2] = max[2]; |
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max[2] = pxBand; |
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}else if(pxBand > secondMax[2] && pxBand!=max[2]) |
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secondMax[2] = pxBand; |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#getInRasterDataType() |
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*/ |
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public int getInRasterDataType(){
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return RasterBuf.TYPE_SHORT; |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#getOutRasterDataType() |
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*/ |
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public int getOutRasterDataType(){
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return RasterBuf.TYPE_SHORT; |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#post() |
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*/ |
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public void post(){
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super.post(); |
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}; |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.RasterFilter#processLine(int) |
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*/ |
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public void processLine(int y){};
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#pre() |
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*/ |
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public void pre() {
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//Obtenci?n de par?metros |
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this.raster = (RasterBuf) params.get("raster");
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height = raster.getHeight(); |
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width = raster.getWidth(); |
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super.pre(); |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#process(int, int) |
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*/ |
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public void process(int x, int y) {
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raster.getElemInt(x, y, px); |
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int pxBand = px[0]; |
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if (pxBand < min[0]) {
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secondMin[0] = min[0]; |
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min[0] = pxBand; |
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} else if ((pxBand < secondMin[0]) && (pxBand != min[0])) {
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secondMin[0] = pxBand; |
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} |
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if (pxBand > max[0]) {
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secondMax[0] = max[0]; |
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max[0] = pxBand; |
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} else if ((pxBand > secondMax[0]) && (pxBand != max[0])) {
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secondMax[0] = pxBand; |
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} |
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pxBand = px[1]; |
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if (pxBand < min[1]) {
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secondMin[1] = min[1]; |
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min[1] = pxBand; |
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} else if ((pxBand < secondMin[1]) && (pxBand != min[1])) {
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secondMin[1] = pxBand; |
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} |
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if (pxBand > max[1]) {
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secondMax[1] = max[1]; |
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max[1] = pxBand; |
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} else if ((pxBand > secondMax[1]) && (pxBand != max[1])) {
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secondMax[1] = pxBand; |
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} |
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pxBand = px[2]; |
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if (pxBand < min[2]) {
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secondMin[2] = min[2]; |
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min[2] = pxBand; |
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} else if ((pxBand < secondMin[2]) && (pxBand != min[2])) {
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secondMin[2] = pxBand; |
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} |
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if (pxBand > max[2]) {
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secondMax[2] = max[2]; |
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max[2] = pxBand; |
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} else if ((pxBand > secondMax[2]) && (pxBand != max[2])) {
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secondMax[2] = pxBand; |
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} |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#getInRasterDataType() |
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*/ |
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public int getInRasterDataType() {
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return RasterBuf.TYPE_SHORT; |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#getOutRasterDataType() |
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*/ |
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public int getOutRasterDataType() {
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return RasterBuf.TYPE_SHORT; |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#post() |
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*/ |
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public void post() {
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super.post(); |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.RasterFilter#processLine(int) |
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*/ |
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public void processLine(int y) {
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} |
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} |
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