svn-gvsig-desktop / trunk / libraries / libRaster / src / org / gvsig / raster / util / RasterUtilities.java @ 30541
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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) 2008 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 org.gvsig.raster.util; |
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import java.awt.Dimension; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Dimension2D; |
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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.BufferedOutputStream; |
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import java.io.BufferedReader; |
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import java.io.DataOutputStream; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.text.NumberFormat; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.dataset.io.rmf.RmfBlocksManager; |
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import org.gvsig.raster.dataset.serializer.GeoInfoRmfSerializer; |
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import org.gvsig.raster.datastruct.Extent; |
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import es.gva.cit.jgdal.Gdal; |
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/**
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class RasterUtilities { |
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public static final int MAX_BYTE_BIT_VALUE = 255; |
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public static final int MAX_SHORT_BIT_VALUE = 65535; |
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// ---------------------------------------------------------------
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// TIPOS DE DATOS
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/**
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* Conversi?n de los tipos de datos de gdal a los tipos de datos de RasterBuf
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* @param gdalType Tipo de dato de gdal
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* @return Tipo de dato de RasterBuf
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*/
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public static int getRasterBufTypeFromGdalType(int gdalType) { |
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switch (gdalType) {
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case 1:// Eight bit unsigned integer GDT_Byte = 1 |
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return RasterBuffer.TYPE_BYTE;
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case 3:// Sixteen bit signed integer GDT_Int16 = 3, |
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return RasterBuffer.TYPE_SHORT;
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case 2:// Sixteen bit unsigned integer GDT_UInt16 = 2 |
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//return RasterBuffer.TYPE_USHORT;
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return RasterBuffer.TYPE_SHORT; //Apa?o para usar los tipos de datos que soportamos |
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case 5:// Thirty two bit signed integer GDT_Int32 = 5 |
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return RasterBuffer.TYPE_INT;
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case 6:// Thirty two bit floating point GDT_Float32 = 6 |
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return RasterBuffer.TYPE_FLOAT;
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case 7:// Sixty four bit floating point GDT_Float64 = 7 |
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return RasterBuffer.TYPE_DOUBLE;
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// TODO:Estos tipos de datos no podemos gestionarlos. Habria que definir
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// el tipo complejo y usar el tipo long que de momento no se gasta.
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case 4:// Thirty two bit unsigned integer GDT_UInt32 = 4, |
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return RasterBuffer.TYPE_INT;
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//return RasterBuffer.TYPE_UNDEFINED; // Deberia devolver un Long
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case 8:// Complex Int16 GDT_CInt16 = 8 |
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case 9:// Complex Int32 GDT_CInt32 = 9 |
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case 10:// Complex Float32 GDT_CFloat32 = 10 |
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case 11:// Complex Float64 GDT_CFloat64 = 11 |
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return RasterBuffer.TYPE_UNDEFINED;
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} |
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return RasterBuffer.TYPE_UNDEFINED;
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} |
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/**
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* Conversi?n de los tipos de datos de RasterBuf en los de gdal.
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* @param rasterBufType Tipo de dato de RasterBuf
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* @return Tipo de dato de Gdal
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*/
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public static int getGdalTypeFromRasterBufType(int rasterBufType) { |
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switch (rasterBufType) {
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case RasterBuffer.TYPE_BYTE: return Gdal.GDT_Byte; |
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case RasterBuffer.TYPE_USHORT: return Gdal.GDT_UInt16; |
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case RasterBuffer.TYPE_SHORT: return Gdal.GDT_Int16; |
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case RasterBuffer.TYPE_INT: return Gdal.GDT_Int32; |
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case RasterBuffer.TYPE_FLOAT: return Gdal.GDT_Float32; |
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case RasterBuffer.TYPE_DOUBLE: return Gdal.GDT_Float64; |
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case RasterBuffer.TYPE_UNDEFINED: return Gdal.GDT_Unknown; |
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case RasterBuffer.TYPE_IMAGE: return Gdal.GDT_Byte; |
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} |
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return Gdal.GDT_Unknown;
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} |
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/**
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* Conversi?n de los tipos de datos de MrSID a los tipos de datos de RasterBuf
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* @param mrsidType Tipo de dato de MrSID
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* @return Tipo de dato de RasterBuf
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*/
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public static int getRasterBufTypeFromMrSIDType(int mrsidType){ |
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switch (mrsidType) {
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case 0: return RasterBuffer.TYPE_UNDEFINED;// INVALID |
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case 1:// UINT8 |
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case 2: return RasterBuffer.TYPE_BYTE;// SINT8 |
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case 3:// UINT16 |
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case 4: return RasterBuffer.TYPE_SHORT;// SINT16 |
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case 5:// UINT32 |
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case 6: return RasterBuffer.TYPE_INT;// SINT32 |
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case 7: return RasterBuffer.TYPE_FLOAT;// FLOAT32 |
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case 8: return RasterBuffer.TYPE_DOUBLE;// FLOAT64 |
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} |
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return RasterBuffer.TYPE_UNDEFINED;
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} |
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/**
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* Obtiene el n?mero de bytes que ocupa un tipo de dato concreto. Los tipos de
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* datos son los utilizados en RasterBuffer
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* @param rasterBufType Tipo de dato del que se solicita el n?mero de bytes ocupados
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* @return
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*/
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public static int getBytesFromRasterBufType(int rasterBufType) { |
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switch (rasterBufType) {
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case RasterBuffer.TYPE_BYTE: return 1; |
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case RasterBuffer.TYPE_USHORT:
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case RasterBuffer.TYPE_SHORT: return 2; |
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case RasterBuffer.TYPE_INT:
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case RasterBuffer.TYPE_FLOAT:
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case RasterBuffer.TYPE_IMAGE: return 4; |
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case RasterBuffer.TYPE_DOUBLE: return 8; |
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} |
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return 0; // TYPE_UNDEFINED |
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} |
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/**
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* Devuelve el tama?o en bytes de una regi?n de un raster en funci?n de su tama?o,
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* n?mero de bandas y tipo de dato.
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* @param width
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* @param height
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* @param rasterType
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* @param nBands
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* @return
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*/
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public static long getBytesFromRaster(int width, int height, int rasterType, int nBands){ |
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int typeSize = getBytesFromRasterBufType(rasterType);
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return (long)width * (long)height * (long)nBands * (long)typeSize; |
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} |
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/**
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* Convierte un tipo de dato a cadena
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* @param type Tipo de dato
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* @return cadena que representa el tipo de dato
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*/
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public static String typesToString(int type) { |
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switch (type) {
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case RasterBuffer.TYPE_IMAGE:
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return new String("Image"); |
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case RasterBuffer.TYPE_BYTE:
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return new String("Byte"); |
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case RasterBuffer.TYPE_DOUBLE:
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return new String("Double"); |
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case RasterBuffer.TYPE_FLOAT:
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return new String("Float"); |
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case RasterBuffer.TYPE_INT:
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return new String("Integer"); |
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case RasterBuffer.TYPE_USHORT:
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case RasterBuffer.TYPE_SHORT:
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return new String("Short"); |
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case RasterBuffer.TYPE_UNDEFINED:
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return new String("Undefined"); |
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} |
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return null; |
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} |
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/**
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* Parseo de las proyecciones que genera gdal para meter espaciados y saltos
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* de l?nea HTML
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* @param proj Proyecci?n
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* @return Cadena con la proyecci?n parseada
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*/
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public static String parserGdalProj(String proj) { |
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if (proj == null) |
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return ""; |
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String[] list = proj.split(","); |
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int level = 0; |
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for (int i = 0; i < list.length; i++) { |
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if (list[i].indexOf("[") >= 0) { |
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level++; |
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String spaces = ""; |
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for (int j = 0; j < level; j++) |
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spaces += " ";
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list[i] = spaces + list[i]; |
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} |
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if (list[i].indexOf("]]") >= 0) |
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level = level - 2;
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else
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if (list[i].indexOf("]") >= 0) |
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level--; |
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} |
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StringBuffer str = new StringBuffer(); |
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for (int i = 0; i < list.length; i++) { |
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if (i < list.length) {
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if (i + 1 < list.length && list[i + 1].indexOf("[") >= 0) |
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str.append(list[i] + ",<BR>");
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else
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str.append(list[i] + ",");
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} |
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} |
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return str.toString();
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} |
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// ---------------------------------------------------------------
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// ESPACIO DE COLOR
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/**
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* Descompone un entero que representa un ARGB en sus 4 valores byte Obtiene
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* un array de 4 elementos donde el elemento 0 es el Rojo, el 1 es el verde,
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* el 2 el azul y el 3 el alpha.
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* @param rgb Entero con el valor ARGB a descomponer;
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* @return Array de cuatro elementos
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*/
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public static byte[] getARGBFromIntToByteArray(int rgb) { |
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byte[] b = new byte[4]; |
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b[0] = (byte) ((rgb & 0x00ff0000) >> 16); |
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b[1] = (byte) ((rgb & 0x0000ff00) >> 8); |
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b[2] = (byte) (rgb & 0x000000ff); |
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b[3] = (byte) ((rgb & 0xff000000) >> 24); |
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return b;
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} |
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/**
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* Descompone un entero que representa un ARGB en sus 4 valores byte Obtiene
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* un array de 4 elementos donde el elemento 0 es el Rojo, el 1 es el verde,
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* el 2 el azul y el 3 el alpha.
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* @param rgb Entero con el valor ARGB a descomponer;
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* @return
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*/
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public static int[] getARGBFromIntToIntArray(int rgb) { |
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int[] i = new int[4]; |
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i[0] = (((rgb & 0x00ff0000) >> 16) & 0xff); |
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i[1] = (((rgb & 0x0000ff00) >> 8) & 0xff); |
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i[2] = ((rgb & 0x000000ff) & 0xff); |
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i[3] = (((rgb & 0xff000000) >> 24) & 0xff); |
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return i;
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} |
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/**
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* Obtiene un entero con los valores ARGB pasados por par?metro
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* @param a Valor de alpha
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* @param r Valor del rojo
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* @param g Valor del verde
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* @param b Valor del azul
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* @return entero con la mezcla de valores
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*/
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public static int getIntFromARGB(int a, int r, int g, int b) { |
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return (((a & 0xff) << 24) + ((r & 0xff) << 16) + ((g & 0xff) << 8) + (b & 0xff)); |
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} |
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// ---------------------------------------------------------------
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// CONVERSI?N DE COORDENADAS
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/**
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* Convierte una ventana en coordenadas del mundo real a sus coordenadas
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* relativas en pixels teniendo en cuenta que la coordenada superior izquierda
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* es 0,0 y la inferior derecha es maxX y maY
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* @param extent Extent de la imagen original
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* @param widthPx Ancho en pixeles de la imagen original
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* @param heightPx Alto en pixeles de la imagen original
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* @param window Ventana en coordenadas reales a transportar a coordenadas pixel
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* @return Ventana en coordenadas pixel
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*/
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public static Rectangle2D getPxRectFromMapRect(Rectangle2D extent, double widthPx, double heightPx, Rectangle2D window) { |
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double widthWC = extent.getWidth();
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double heightWC = extent.getHeight();
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double wWindowWC = Math.abs(window.getMaxX() - window.getMinX()); |
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double hWindowWC = Math.abs(window.getMaxY() - window.getMinY()); |
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double wWindowPx = ((wWindowWC * widthPx) / widthWC);
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double hWindowPx = ((hWindowWC * heightPx) / heightWC);
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double initDistanceX = Math.abs(window.getMinX() - extent.getMinX()); |
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double initDistanceY = Math.abs(window.getMaxY() - extent.getMaxY()); |
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double initPxX = ((initDistanceX * widthPx) / widthWC);
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double initPxY = ((initDistanceY * heightPx) / heightWC);
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Rectangle2D pxRec = new Rectangle2D.Double(initPxX, initPxY, wWindowPx, hWindowPx); |
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return pxRec;
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} |
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/**
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* Convierte una ventana en coordenadas del mundo real a sus coordenadas
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* relativas en pixels teniendo en cuenta que la coordenada superior izquierda
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* es 0,0 y la inferior derecha es maxX y maY
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* @param extent Extent de la imagen original
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* @param widthPx Ancho en pixeles de la imagen original
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* @param heightPx Alto en pixeles de la imagen original
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* @param window Ventana en coordenadas reales a transportar a coordenadas pixel
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* @return Ventana en coordenadas pixel
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*/
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public static Rectangle2D getMapRectFromPxRect(Rectangle2D extent, double widthPx, double heightPx, Rectangle2D pxWindow) { |
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double wWindowWC = ((pxWindow.getWidth() * extent.getWidth()) / widthPx);
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double hWindowWC = ((pxWindow.getHeight() * extent.getHeight()) / heightPx);
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double initWCX = extent.getMinX() + ((pxWindow.getMinX() * extent.getWidth()) / widthPx);
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double initWCY = extent.getMaxY() - ((pxWindow.getMinY() * extent.getHeight()) / heightPx);
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Rectangle2D mapRec = new Rectangle2D.Double(initWCX, initWCY - hWindowWC, wWindowWC, hWindowWC); |
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return mapRec;
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} |
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/**
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* Convierte un punto en coordenadas del mundo a coordenadas pixel
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* @param p Punto a convertir
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* @param ext Extent completo de la imagen
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* @return Punto en coordenadas pixel
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*/
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public static Point2D worldPointToRaster(Point2D p, Extent ext, int pxWidth, int pxHeight) { |
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double x = p.getX() - ext.getMin().getX();
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double y = p.getY() - ext.getMin().getY();
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int pxX = (int) ((x * pxWidth) / ext.width()); |
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int pxY = (int) ((y * pxHeight) / ext.height()); |
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return new Point2D.Double(pxX, pxY); |
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} |
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/**
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* Ajusta la extensi?n pasada por par?metro a los valores m?ximos y m?nimos de
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* la imagen. Esto sirve para que la petici?n al driver nunca sobrepase los
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* l?mites de la imagen tratada aunque la vista donde se dibuje sea de mayor
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* tama?o.
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* @param imgExt Extent completo de la vista donde se va a dibujar.
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* @param extToAdj Extent a ajustar.
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* @return adjustedExtent Extent ajustado a m?ximos y m?nimos
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*/
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public static Extent calculateAdjustedView(Extent extToAdj, Extent imgExt) { |
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double vx = extToAdj.minX();
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double vy = extToAdj.minY();
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double vx2 = extToAdj.maxX();
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double vy2 = extToAdj.maxY();
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if (extToAdj.minX() < imgExt.minX())
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vx = imgExt.minX(); |
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if (extToAdj.minY() < imgExt.minY())
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vy = imgExt.minY(); |
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if (extToAdj.maxX() > imgExt.maxX())
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vx2 = imgExt.maxX(); |
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if (extToAdj.maxY() > imgExt.maxY())
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vy2 = imgExt.maxY(); |
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return new Extent(vx, vy, vx2, vy2); |
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} |
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/**
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* Ajusta la extensi?n pasada por par?metro a los valores m?ximos y m?nimos de
|
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* la imagen. Esto sirve para que la petici?n al driver nunca sobrepase los
|
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* l?mites de la imagen tratada aunque la vista donde se dibuje sea de mayor
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* tama?o. Este m?todo tiene en cuenta la rotaci?n aplicada al raster por lo
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* que no ajustamos a un extent sino a una matriz de transformaci?n. Esta
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* tiene los par?metros de traslaci?n, rotaci?n y escalado del raster destino.
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* Esta matriz transforma coordenadas pixel a real y viceversa.
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* @param imgExt Extent completo de la vista donde se va a dibujar.
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* @param AffineTransform Matriz de transformaci?n del raster destino
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* @return adjustedExtent Extent ajustado a m?ximos y m?nimos
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*/
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public static Extent calculateAdjustedView(Extent extToAdj, AffineTransform at, Dimension2D dim) { |
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// Obtenemos los cuatro puntos de la petici?n de origen
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Point2D ul = new Point2D.Double(extToAdj.getULX(), extToAdj.getULY()); |
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Point2D lr = new Point2D.Double(extToAdj.getLRX(), extToAdj.getLRY()); |
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// Los convertimos a coordenadas pixel con la matriz de transformaci?n
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try {
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at.inverseTransform(ul, ul); |
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at.inverseTransform(lr, lr); |
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} catch (NoninvertibleTransformException e) { |
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return extToAdj;
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} |
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|
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// Ajustamos a la dimensi?n del raster en pixeles
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if (ul.getX() < 0) |
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ul.setLocation(0, ul.getY());
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if (ul.getX() >= dim.getWidth())
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ul.setLocation(dim.getWidth(), ul.getY()); |
| 413 |
if (ul.getY() < 0) |
| 414 |
ul.setLocation(ul.getX(), 0);
|
| 415 |
if (ul.getY() >= dim.getHeight())
|
| 416 |
ul.setLocation(ul.getX(), dim.getHeight()); |
| 417 |
|
| 418 |
if (lr.getX() < 0) |
| 419 |
lr.setLocation(0, lr.getY());
|
| 420 |
if (lr.getX() >= dim.getWidth())
|
| 421 |
lr.setLocation(dim.getWidth(), lr.getY()); |
| 422 |
if (lr.getY() < 0) |
| 423 |
lr.setLocation(lr.getX(), 0);
|
| 424 |
if (lr.getY() >= dim.getHeight())
|
| 425 |
lr.setLocation(lr.getX(), dim.getHeight()); |
| 426 |
|
| 427 |
// Lo convertimos a coordenadas reales nuevamente
|
| 428 |
at.transform(ul, ul); |
| 429 |
at.transform(lr, lr); |
| 430 |
return new Extent(ul, lr); |
| 431 |
} |
| 432 |
|
| 433 |
/**
|
| 434 |
* Comprueba si un Extent tiene alguna parte en com?n con otro Extent dado, es
|
| 435 |
* decir, si ambos extents intersectan en alguna zona. La llamada tiene en
|
| 436 |
* cuenta alguna transformaci?n aplicada al Extent.
|
| 437 |
* @param e1
|
| 438 |
* @param e2
|
| 439 |
* @return true si intersectan y false si no lo hacen
|
| 440 |
*/
|
| 441 |
public static boolean intersects(Extent e1, Extent e2, AffineTransform at) throws NoninvertibleTransformException { |
| 442 |
Point2D ulPxE1 = new Point2D.Double(); |
| 443 |
Point2D lrPxE1 = new Point2D.Double(); |
| 444 |
Point2D ulPxE2 = new Point2D.Double(); |
| 445 |
Point2D lrPxE2 = new Point2D.Double(); |
| 446 |
|
| 447 |
at.inverseTransform(new Point2D.Double(e1.getULX(), e1.getULY()), ulPxE1); |
| 448 |
at.inverseTransform(new Point2D.Double(e1.getLRX(), e1.getLRY()), lrPxE1); |
| 449 |
at.inverseTransform(new Point2D.Double(e2.getULX(), e2.getULY()), ulPxE2); |
| 450 |
at.inverseTransform(new Point2D.Double(e2.getLRX(), e2.getLRY()), lrPxE2); |
| 451 |
|
| 452 |
if (((ulPxE1.getX() <= lrPxE2.getX()) && (lrPxE1.getX() >= lrPxE2.getX()) ||
|
| 453 |
(ulPxE1.getX() <= ulPxE2.getX()) && (lrPxE1.getX() >= ulPxE2.getX()) || |
| 454 |
(ulPxE1.getX() >= ulPxE2.getX()) && (lrPxE1.getX() <= lrPxE2.getX())) && |
| 455 |
((ulPxE1.getY() <= lrPxE2.getY()) && (lrPxE1.getY() >= lrPxE2.getY()) || |
| 456 |
(ulPxE1.getY() <= ulPxE2.getY()) && (lrPxE1.getY() >= ulPxE2.getY()) || |
| 457 |
(ulPxE1.getY() >= ulPxE2.getY()) && (lrPxE1.getY() <= lrPxE2.getY()))) |
| 458 |
return true; |
| 459 |
return false; |
| 460 |
} |
| 461 |
|
| 462 |
/**
|
| 463 |
* Comprueba si un punto est? contenido dentro de un extend y devuelve true en
|
| 464 |
* este caso. Se tiene en cuenta la transformaci?n aplicada al raster.
|
| 465 |
* @param p1 Punto a comprobar si est? contenido en e1
|
| 466 |
* @param e1 Extent sobre el que se comprueba si e1 est? dentro el punto
|
| 467 |
* @return true si p1 est? dentro de e1
|
| 468 |
*/
|
| 469 |
public static boolean isInside(Point2D p1, Extent e1, AffineTransform at) { |
| 470 |
// Convertimos los puntos a coordenadas pixel con la matriz de
|
| 471 |
// transformaci?n
|
| 472 |
Point2D p1Px = new Point2D.Double(); |
| 473 |
Point2D ulPx = new Point2D.Double(); |
| 474 |
Point2D lrPx = new Point2D.Double(); |
| 475 |
try {
|
| 476 |
at.inverseTransform(p1, p1Px); |
| 477 |
at.inverseTransform(new Point2D.Double(e1.getULX(), e1.getULY()), ulPx); |
| 478 |
at.inverseTransform(new Point2D.Double(e1.getLRX(), e1.getLRY()), lrPx); |
| 479 |
} catch (NoninvertibleTransformException e) { |
| 480 |
return false; |
| 481 |
} |
| 482 |
|
| 483 |
// Comprobamos si el punto est? dentro
|
| 484 |
return ((p1Px.getX() >= ulPx.getX()) && (p1Px.getX() <= lrPx.getX()) &&
|
| 485 |
(p1Px.getY() >= ulPx.getY()) && (p1Px.getY() <= lrPx.getY())); |
| 486 |
} |
| 487 |
|
| 488 |
/**
|
| 489 |
* Comprueba si un extent est? contenido dentro de otro y devuelve true en
|
| 490 |
* este caso.
|
| 491 |
* @param e1 Extent a comprobar si est? contenido en e2
|
| 492 |
* @param e2 Extent sobre el que se comprueba si e1 est? dentro
|
| 493 |
* @return true si e1 est? dentro de e1
|
| 494 |
*/
|
| 495 |
public static boolean isInside(Extent e1, Extent e2) { |
| 496 |
return ((e1.getMin().getX() >= e2.getMin().getX()) && (e1.getMin().getY() >= e2.getMin().getY()) && (e1.getMax().getX() <= e2.getMax().getX())) && (e1.getMax().getY() <= e2.getMax().getY());
|
| 497 |
} |
| 498 |
|
| 499 |
/**
|
| 500 |
* Comprueba si un punto est? contenido dentro de un extend y devuelve true en
|
| 501 |
* este caso.
|
| 502 |
* @param p1 Punto a comprobar si est? contenido en e1
|
| 503 |
* @param e1 Extent sobre el que se comprueba si e1 est? dentro el punto
|
| 504 |
* @return true si p1 est? dentro de e1
|
| 505 |
*/
|
| 506 |
public static boolean isInside(Point2D p1, Extent e1) { |
| 507 |
return ((p1.getX() >= e1.getMin().getX()) && (p1.getX() <= e1.getMax().getX()) && (p1.getY() >= e1.getMin().getY())) && (p1.getY() <= e1.getMax().getY());
|
| 508 |
} |
| 509 |
|
| 510 |
/**
|
| 511 |
* Comprueba si un extent est? fuera de otro extent que tenemos como
|
| 512 |
* referencia.
|
| 513 |
* @param e1 Extent a comprobar si est? fuera
|
| 514 |
* @param ref Extent de referencia
|
| 515 |
* @return Devuelve true si todo el extent cae fuera de ref y false si no est?
|
| 516 |
* fuera.
|
| 517 |
*/
|
| 518 |
public static boolean isOutside(Extent e1, Extent ref) { |
| 519 |
return ((e1.getMin().getX() > ref.getMax().getX()) || (e1.getMin().getY() > ref.getMax().getY()) ||
|
| 520 |
(e1.getMax().getX() < ref.getMin().getX()) || (e1.getMax().getY() < ref.getMin().getY())); |
| 521 |
} |
| 522 |
|
| 523 |
/**
|
| 524 |
* Compara dos extents y devuelve true si son iguales
|
| 525 |
* @param e1 Extent a comparar
|
| 526 |
* @param e2 Extent a comparar
|
| 527 |
* @return true si los extents pasados por par?metro son iguales y false si no
|
| 528 |
* lo son
|
| 529 |
*/
|
| 530 |
public static boolean compareExtents(Extent e1, Extent e2) { |
| 531 |
return ((e1.getMin().getX() == e2.getMin().getX()) && (e1.getMin().getY() == e2.getMin().getY()) &&
|
| 532 |
(e1.getMax().getX() == e2.getMax().getX())) && (e1.getMax().getY() == e2.getMax().getY()); |
| 533 |
} |
| 534 |
|
| 535 |
/**
|
| 536 |
* Calcula los par?metros de un worl file a partir de las esquinas del raster.
|
| 537 |
* 1. X pixel size A 2. X rotation term D 3. Y rotation term B 4. Y pixel size
|
| 538 |
* E 5. X coordinate of upper left corner C 6. Y coordinate of upper left
|
| 539 |
* corner F where the real-world coordinates x',y' can be calculated from the
|
| 540 |
* image coordinates x,y with the equations x' = Ax + By + C and y' = Dx + Ey +
|
| 541 |
* F. The signs of the first 4 parameters depend on the orientation of the
|
| 542 |
* image. In the usual case where north is more or less at the top of the
|
| 543 |
* image, the X pixel size will be positive and the Y pixel size will be
|
| 544 |
* negative. For a south-up image, these signs would be reversed. You can
|
| 545 |
* calculate the World file parameters yourself based on the corner
|
| 546 |
* coordinates. The X and Y pixel sizes can be determined simply by dividing
|
| 547 |
* the distance between two adjacent corners by the number of columns or rows
|
| 548 |
* in the image. The rotation terms are calculated with these equations: # B =
|
| 549 |
* (A * number_of_columns + C - lower_right_x') / number_of_rows * -1 # D = (E *
|
| 550 |
* number_of_rows + F - lower_right_y') / number_of_columns * -1
|
| 551 |
* @param corner (tl, tr, br, bl)
|
| 552 |
* @return
|
| 553 |
*/
|
| 554 |
public static double[] cornersToWorldFile(Point2D[] esq, Dimension size) { |
| 555 |
double a = 0, b = 0, c = 0, d = 0, e = 0, f = 0; |
| 556 |
double x1 = esq[0].getX(), y1 = esq[0].getY(); |
| 557 |
double x2 = esq[1].getX(), y2 = esq[1].getY(); |
| 558 |
double x3 = esq[2].getX(), y3 = esq[2].getY(); |
| 559 |
double x4 = esq[3].getX(), y4 = esq[3].getY(); |
| 560 |
// A: X-scale
|
| 561 |
a = Math.abs(Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)) / size.getWidth()); |
| 562 |
|
| 563 |
// E: negative Y-scale
|
| 564 |
e = -Math.abs(Math.sqrt((x1 - x4) * (x1 - x4) + (y1 - y4) * (y1 - y4)) / size.getHeight()); |
| 565 |
|
| 566 |
// C, F: upper-left coordinates
|
| 567 |
c = x1; |
| 568 |
f = y1; |
| 569 |
|
| 570 |
// B & D: rotation parameters
|
| 571 |
b = (a * size.getWidth() + c - x3) / size.getHeight() * -1;
|
| 572 |
d = (e * size.getHeight() + f - y3) / size.getWidth() * -1;
|
| 573 |
|
| 574 |
double[] wf = { a, d, b, e, c, f }; |
| 575 |
return wf;
|
| 576 |
} |
| 577 |
|
| 578 |
/**
|
| 579 |
* Ajusta el valor del array de puntos pasado como primer par?metro a las
|
| 580 |
* dimensiones de la imagen. Estas dimensiones ser?n 0-dim.getX() a
|
| 581 |
* 0-dim.getY(). Para cada valor, si es menor que 0 se pondr? a 0 y si es
|
| 582 |
* mayor del m?ximo se asignar? al m?ximo.
|
| 583 |
* @param points Lista de puntos a ajustar
|
| 584 |
* @param dim Dimension
|
| 585 |
*/
|
| 586 |
public static void adjustToPixelSize(Point2D[] points, Point2D dim) { |
| 587 |
for (int i = 0; i < points.length; i++) { |
| 588 |
if (points[i].getX() < 0) |
| 589 |
points[i].setLocation(0, points[i].getY());
|
| 590 |
if (points[i].getX() >= (dim.getX() - 1)) |
| 591 |
points[i].setLocation(dim.getX() - 1, points[i].getY());
|
| 592 |
if (points[i].getY() < 0) |
| 593 |
points[i].setLocation(points[i].getX(), 0);
|
| 594 |
if (points[i].getY() >= (dim.getY() - 1)) |
| 595 |
points[i].setLocation(points[i].getX(), dim.getY() - 1);
|
| 596 |
} |
| 597 |
} |
| 598 |
|
| 599 |
// ---------------------------------------------------------------
|
| 600 |
// TRATAMIENTO DE FICHEROS
|
| 601 |
|
| 602 |
/**
|
| 603 |
* Copia de ficheros
|
| 604 |
* @param pathOrig Ruta de origen
|
| 605 |
* @param pathDst Ruta de destino.
|
| 606 |
*/
|
| 607 |
public static void copyFile(String pathOrig, String pathDst) throws FileNotFoundException, IOException { |
| 608 |
InputStream in;
|
| 609 |
OutputStream out;
|
| 610 |
|
| 611 |
if (pathOrig == null || pathDst == null) { |
| 612 |
System.err.println("Error en path"); |
| 613 |
return;
|
| 614 |
} |
| 615 |
|
| 616 |
File orig = new File(pathOrig); |
| 617 |
if (!orig.exists() || !orig.isFile() || !orig.canRead()) {
|
| 618 |
System.err.println("Error en fichero de origen"); |
| 619 |
return;
|
| 620 |
} |
| 621 |
|
| 622 |
File dest = new File(pathDst); |
| 623 |
String file = new File(pathOrig).getName(); |
| 624 |
if (dest.isDirectory())
|
| 625 |
pathDst += file; |
| 626 |
|
| 627 |
in = new FileInputStream(pathOrig); |
| 628 |
out = new FileOutputStream(pathDst); |
| 629 |
|
| 630 |
byte[] buf = new byte[1024]; |
| 631 |
int len;
|
| 632 |
|
| 633 |
while ((len = in.read(buf)) > 0) |
| 634 |
out.write(buf, 0, len);
|
| 635 |
|
| 636 |
in.close(); |
| 637 |
out.close(); |
| 638 |
} |
| 639 |
|
| 640 |
/**
|
| 641 |
* Crea un fichero de georeferenciaci?n (world file) para un dataset
|
| 642 |
* determinado
|
| 643 |
* @param GdalDriver
|
| 644 |
* @param fileName Nombre completo del fichero de raster
|
| 645 |
* @param Extent
|
| 646 |
* @param pxWidth Ancho en p?xeles
|
| 647 |
* @param pxHeight Alto en p?xeles
|
| 648 |
* @return
|
| 649 |
* @throws IOException
|
| 650 |
*/
|
| 651 |
public static void createWorldFile(String fileName, Extent ext, int pxWidth, int pxHeight) throws IOException { |
| 652 |
File tfw = null; |
| 653 |
|
| 654 |
String extWorldFile = ".wld"; |
| 655 |
if (fileName.endsWith("tif")) |
| 656 |
extWorldFile = ".tfw";
|
| 657 |
if (fileName.endsWith("jpg") || fileName.endsWith("jpeg")) |
| 658 |
extWorldFile = ".jpgw";
|
| 659 |
|
| 660 |
tfw = new File(fileName.substring(0, fileName.lastIndexOf(".")) + extWorldFile); |
| 661 |
|
| 662 |
// Generamos un world file para gdal
|
| 663 |
DataOutputStream dos = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(tfw))); |
| 664 |
dos.writeBytes((ext.getMax().getX() - ext.getMin().getX()) / pxWidth + "\n");
|
| 665 |
dos.writeBytes("0.0\n");
|
| 666 |
dos.writeBytes("0.0\n");
|
| 667 |
dos.writeBytes((ext.getMin().getY() - ext.getMax().getY()) / pxHeight + "\n");
|
| 668 |
dos.writeBytes("" + ext.getMin().getX() + "\n"); |
| 669 |
dos.writeBytes("" + ext.getMax().getY() + "\n"); |
| 670 |
dos.close(); |
| 671 |
} |
| 672 |
|
| 673 |
/**
|
| 674 |
* Comprueba si existe un worldfile para la imagen seleccionada.
|
| 675 |
* @param fileName
|
| 676 |
* @return
|
| 677 |
* @throws IOException
|
| 678 |
*/
|
| 679 |
public static boolean existsWorldFile(String fileName) throws IOException { |
| 680 |
File tfw = null; |
| 681 |
|
| 682 |
String extWorldFile = ".wld"; |
| 683 |
if (fileName.endsWith("tif")) |
| 684 |
extWorldFile = ".tfw";
|
| 685 |
if (fileName.endsWith("jpg") || fileName.endsWith("jpeg")) |
| 686 |
extWorldFile = ".jpgw";
|
| 687 |
|
| 688 |
tfw = new File(fileName.substring(0, fileName.lastIndexOf(".")) + extWorldFile); |
| 689 |
|
| 690 |
return tfw.exists();
|
| 691 |
} |
| 692 |
|
| 693 |
/**
|
| 694 |
* Crea un fichero de georeferenciaci?n (world file) para un dataset
|
| 695 |
* determinado
|
| 696 |
* @param GdalDriver
|
| 697 |
* @param fileName Nombre completo del fichero de raster
|
| 698 |
* @param AffineTransform
|
| 699 |
* @param pxWidth Ancho en p?xeles
|
| 700 |
* @param pxHeight Alto en p?xeles
|
| 701 |
* @return
|
| 702 |
* @throws IOException
|
| 703 |
*/
|
| 704 |
public static void createWorldFile(String fileName, AffineTransform at, int pxWidth, int pxHeight) throws IOException { |
| 705 |
File tfw = null; |
| 706 |
|
| 707 |
String extWorldFile = ".wld"; |
| 708 |
if (fileName.endsWith("tif")) |
| 709 |
extWorldFile = ".tfw";
|
| 710 |
if (fileName.endsWith("jpg") || fileName.endsWith("jpeg")) |
| 711 |
extWorldFile = ".jpgw";
|
| 712 |
|
| 713 |
tfw = new File(fileName.substring(0, fileName.lastIndexOf(".")) + extWorldFile); |
| 714 |
|
| 715 |
// Generamos un world file para gdal
|
| 716 |
DataOutputStream dos = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(tfw))); |
| 717 |
dos.writeBytes(at.getScaleX() + "\n");
|
| 718 |
dos.writeBytes(at.getShearX() + "\n");
|
| 719 |
dos.writeBytes(at.getShearY() + "\n");
|
| 720 |
dos.writeBytes(at.getScaleY() + "\n");
|
| 721 |
dos.writeBytes("" + at.getTranslateX() + "\n"); |
| 722 |
dos.writeBytes("" + at.getTranslateY() + "\n"); |
| 723 |
dos.close(); |
| 724 |
} |
| 725 |
|
| 726 |
/**
|
| 727 |
* Formatea en forma de cadena un tama?o dado en bytes. El resultado ser? una
|
| 728 |
* cadena con GB, MB, KB y B
|
| 729 |
* @param size tama?o a formatear
|
| 730 |
* @return cadena con la cantidad formateada
|
| 731 |
*/
|
| 732 |
public static String formatFileSize(long size) { |
| 733 |
double bytes = (double) size; |
| 734 |
double kBytes = 0.0; |
| 735 |
double mBytes = 0.0; |
| 736 |
double gBytes = 0.0; |
| 737 |
if (bytes >= 1024.0) { |
| 738 |
kBytes = bytes / 1024.0;
|
| 739 |
if (kBytes >= 1024.0) { |
| 740 |
mBytes = kBytes / 1024.0;
|
| 741 |
if (mBytes >= 1024.0) |
| 742 |
gBytes = mBytes / 1024.0;
|
| 743 |
} |
| 744 |
} |
| 745 |
|
| 746 |
String texto = ""; |
| 747 |
NumberFormat numberFormat = NumberFormat.getNumberInstance(); |
| 748 |
numberFormat.setMinimumFractionDigits(0);
|
| 749 |
|
| 750 |
do {
|
| 751 |
if (gBytes > 0) { |
| 752 |
numberFormat.setMaximumFractionDigits(2 - (int) Math.log10(gBytes)); |
| 753 |
texto = numberFormat.format(gBytes) + " GB";
|
| 754 |
break;
|
| 755 |
} |
| 756 |
if (mBytes > 0) { |
| 757 |
numberFormat.setMaximumFractionDigits(2 - (int) Math.log10(mBytes)); |
| 758 |
texto = numberFormat.format(mBytes) + " MB";
|
| 759 |
break;
|
| 760 |
} |
| 761 |
if (kBytes > 0) { |
| 762 |
numberFormat.setMaximumFractionDigits(2 - (int) Math.log10(kBytes)); |
| 763 |
texto = numberFormat.format(kBytes) + " KB";
|
| 764 |
break;
|
| 765 |
} |
| 766 |
if (bytes != 0) { |
| 767 |
numberFormat.setMaximumFractionDigits(0);
|
| 768 |
texto = numberFormat.format(bytes) + " bytes";
|
| 769 |
break;
|
| 770 |
} |
| 771 |
} while (false); |
| 772 |
|
| 773 |
numberFormat.setMaximumFractionDigits(0);
|
| 774 |
|
| 775 |
return texto + " (" + numberFormat.format(bytes) + " bytes)"; |
| 776 |
} |
| 777 |
|
| 778 |
/**
|
| 779 |
* Obtiene la extensi?n del fichero a partir de su nombre.
|
| 780 |
* @param file Nombre o ruta del fichero
|
| 781 |
* @return Cadena con la extensi?n que representa el tipo de fichero. Devuelve
|
| 782 |
* null si no tiene extension.
|
| 783 |
*/
|
| 784 |
public static String getExtensionFromFileName(String file) { |
| 785 |
return file.substring(file.lastIndexOf(".") + 1).toLowerCase(); |
| 786 |
} |
| 787 |
|
| 788 |
/**
|
| 789 |
* Obtiene el nombre de fichero sin la extensi?n.
|
| 790 |
* @param file Nombre o ruta del fichero
|
| 791 |
* @return Cadena con la extensi?n que representa el tipo de fichero. Si no
|
| 792 |
* tiene extensi?n devuelve el mismo fichero de entrada
|
| 793 |
*/
|
| 794 |
public static String getNameWithoutExtension(String file) { |
| 795 |
if (file == null) |
| 796 |
return null; |
| 797 |
|
| 798 |
int n = file.lastIndexOf("."); |
| 799 |
if (n != -1) |
| 800 |
return file.substring(0, n); |
| 801 |
return file;
|
| 802 |
} |
| 803 |
|
| 804 |
/**
|
| 805 |
* Obtiene el nombre de fichero sin la extensi?n ni la ruta.
|
| 806 |
* @param file Ruta del fichero
|
| 807 |
* @return Cadena que representa el nombre del fichero sin extensi?n ni path de directorios
|
| 808 |
*/
|
| 809 |
public static String getFileNameFromCanonical(String file) { |
| 810 |
if (file == null) |
| 811 |
return null; |
| 812 |
|
| 813 |
int n = file.lastIndexOf("."); |
| 814 |
if (n != -1) |
| 815 |
file = file.substring(0, n);
|
| 816 |
|
| 817 |
n = file.lastIndexOf(File.separator);
|
| 818 |
if(n != -1) |
| 819 |
file = file.substring(n + 1, file.length());
|
| 820 |
|
| 821 |
return file;
|
| 822 |
} |
| 823 |
|
| 824 |
/**
|
| 825 |
* Obtiene el ?ltimo trozo de la cadena a partir de los caracteres que
|
| 826 |
* coincidan con el patr?n. En caso de que el patr?n no exista en la cadena
|
| 827 |
* devuelve esta completa
|
| 828 |
* @param string
|
| 829 |
* @param pattern
|
| 830 |
* @return
|
| 831 |
*/
|
| 832 |
public static String getLastPart(String string, String pattern) { |
| 833 |
int n = string.lastIndexOf(pattern);
|
| 834 |
if (n > 0) |
| 835 |
return string.substring(n + 1, string.length()); |
| 836 |
return string;
|
| 837 |
} |
| 838 |
|
| 839 |
/**
|
| 840 |
* Obtiene la codificaci?n de un fichero XML
|
| 841 |
* @param file Nombre del fichero XML
|
| 842 |
* @return Codificaci?n
|
| 843 |
*/
|
| 844 |
public static String readFileEncoding(String file) { |
| 845 |
FileReader fr;
|
| 846 |
String encoding = null; |
| 847 |
try {
|
| 848 |
fr = new FileReader(file); |
| 849 |
BufferedReader br = new BufferedReader(fr); |
| 850 |
char[] buffer = new char[100]; |
| 851 |
br.read(buffer); |
| 852 |
StringBuffer st = new StringBuffer(new String(buffer)); |
| 853 |
String searchText = "encoding=\""; |
| 854 |
int index = st.indexOf(searchText);
|
| 855 |
if (index > -1) { |
| 856 |
st.delete(0, index + searchText.length());
|
| 857 |
encoding = st.substring(0, st.indexOf("\"")); |
| 858 |
} |
| 859 |
fr.close(); |
| 860 |
} catch (FileNotFoundException ex) { |
| 861 |
ex.printStackTrace(); |
| 862 |
} catch (IOException e) { |
| 863 |
e.printStackTrace(); |
| 864 |
} |
| 865 |
return encoding;
|
| 866 |
} |
| 867 |
|
| 868 |
/**
|
| 869 |
* Guarda la informaci?n de georreferenciaci?n de un raster en su fichero rmf
|
| 870 |
* adjunto.
|
| 871 |
* @param path
|
| 872 |
* @param at
|
| 873 |
* @param dim
|
| 874 |
* @throws IOException
|
| 875 |
*/
|
| 876 |
public static void saveGeoInfo(String outRmf, AffineTransform at, Point2D dim) throws IOException { |
| 877 |
RmfBlocksManager manager = new RmfBlocksManager(outRmf + ".rmf"); |
| 878 |
GeoInfoRmfSerializer ser3 = new GeoInfoRmfSerializer(at, dim);
|
| 879 |
manager.addClient(ser3); |
| 880 |
manager.write(); |
| 881 |
} |
| 882 |
|
| 883 |
/**
|
| 884 |
* Obtiene el nombre del fichero RMF a partir del nombre del fichero. Si el
|
| 885 |
* nombre del fichero tiene una extensi?n esta llamada sustituir? la extensi?n
|
| 886 |
* existente por .rmf. Si el fichero pasado no tiene extensi?n esta llamada
|
| 887 |
* a?adir? .rm al final.
|
| 888 |
* @param fileName Nombre del fichero raster de origen
|
| 889 |
* @return Nombre del fichero rmf asociado al raster.
|
| 890 |
*/
|
| 891 |
public static String getRMFNameFromFileName(String fileName) { |
| 892 |
return getNameWithoutExtension(fileName) + ".rmf"; |
| 893 |
} |
| 894 |
|
| 895 |
// ---------------------------------------------------------------
|
| 896 |
// VARIOS
|
| 897 |
|
| 898 |
/**
|
| 899 |
* Formatea el tiempo en milisegundos devolviendo un String en formato . dias,
|
| 900 |
* horas, minutos y segundos.
|
| 901 |
* @param time Tiempo en milisegundos
|
| 902 |
*/
|
| 903 |
public static String formatTime(long time) { |
| 904 |
int days = 0; |
| 905 |
int hours = 0; |
| 906 |
int minuts = 0; |
| 907 |
int seconds = (int) (time / 1000D); |
| 908 |
if (seconds >= 60) { |
| 909 |
minuts = (int) (seconds / 60); |
| 910 |
seconds = (int) (seconds - (minuts * 60)); |
| 911 |
if (minuts >= 60) { |
| 912 |
hours = (int) (minuts / 60); |
| 913 |
minuts = (int) (minuts - (hours * 60)); |
| 914 |
if (hours >= 24) { |
| 915 |
days = (int) (hours / 24); |
| 916 |
hours = (int) (hours - (days * 24)); |
| 917 |
} |
| 918 |
} |
| 919 |
} |
| 920 |
StringBuffer s = new StringBuffer(); |
| 921 |
if (days != 0) |
| 922 |
s.append(days + " d ");
|
| 923 |
if (hours != 0) |
| 924 |
s.append(hours + " h ");
|
| 925 |
if (minuts != 0) |
| 926 |
s.append(minuts + " min ");
|
| 927 |
if (seconds != 0) |
| 928 |
s.append(seconds + " s ");
|
| 929 |
if (s.length() == 0) |
| 930 |
s.append(" < 1s");
|
| 931 |
return s.toString();
|
| 932 |
} |
| 933 |
|
| 934 |
/**
|
| 935 |
* Obtiene un texto con las coordenadas a partir de n?meros en coma flotante.
|
| 936 |
* @param minx coordenada m?nima de X
|
| 937 |
* @param miny coordenada m?nima de Y
|
| 938 |
* @param maxx coordenada m?xima de X
|
| 939 |
* @param maxy coordenada m?xima de Y
|
| 940 |
* @param dec N?mero de decimales a mostrar en la caja de texto
|
| 941 |
*/
|
| 942 |
public static String[] getCoord(double minx, double miny, double maxx, double maxy, int dec) { |
| 943 |
String[] coordPx = new String[4]; |
| 944 |
int indexPoint = String.valueOf(minx).indexOf('.'); |
| 945 |
try {
|
| 946 |
coordPx[0] = String.valueOf(minx).substring(0, indexPoint + dec); |
| 947 |
} catch (StringIndexOutOfBoundsException ex) { |
| 948 |
coordPx[0] = String.valueOf(minx); |
| 949 |
} |
| 950 |
indexPoint = String.valueOf(miny).indexOf('.'); |
| 951 |
try {
|
| 952 |
coordPx[1] = String.valueOf(miny).substring(0, indexPoint + dec); |
| 953 |
} catch (StringIndexOutOfBoundsException ex) { |
| 954 |
coordPx[1] = String.valueOf(miny); |
| 955 |
} |
| 956 |
indexPoint = String.valueOf(maxx).indexOf('.'); |
| 957 |
try {
|
| 958 |
coordPx[2] = String.valueOf(maxx).substring(0, indexPoint + dec); |
| 959 |
} catch (StringIndexOutOfBoundsException ex) { |
| 960 |
coordPx[2] = String.valueOf(maxx); |
| 961 |
} |
| 962 |
indexPoint = String.valueOf(maxy).indexOf('.'); |
| 963 |
try {
|
| 964 |
coordPx[3] = String.valueOf(maxy).substring(0, indexPoint + dec); |
| 965 |
} catch (StringIndexOutOfBoundsException ex) { |
| 966 |
coordPx[3] = String.valueOf(maxy); |
| 967 |
} |
| 968 |
return coordPx;
|
| 969 |
} |
| 970 |
} |