svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libRaster / src / org / gvsig / raster / grid / Grid.java @ 30008
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| 1 | 10740 | nacho | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | *
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| 3 | * Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | */
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| 19 | package org.gvsig.raster.grid; |
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| 20 | |||
| 21 | import java.io.IOException; |
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| 22 | import java.util.Arrays; |
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| 23 | |||
| 24 | 11076 | nacho | import org.gvsig.raster.buffer.BufferFactory; |
| 25 | import org.gvsig.raster.buffer.RasterBuffer; |
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| 26 | import org.gvsig.raster.buffer.RasterBufferInvalidAccessException; |
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| 27 | import org.gvsig.raster.buffer.RasterBufferInvalidException; |
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| 28 | 10939 | nacho | import org.gvsig.raster.dataset.IBuffer; |
| 29 | 13328 | nacho | import org.gvsig.raster.dataset.IRasterDataSource; |
| 30 | 17686 | nbrodin | import org.gvsig.raster.datastruct.Extent; |
| 31 | 12383 | nacho | import org.gvsig.raster.datastruct.Transparency; |
| 32 | 10740 | nacho | import org.gvsig.raster.grid.filter.RasterFilterList; |
| 33 | |||
| 34 | /**
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| 35 | * Clase que representa una rejilla de datos raster. Este tipo de grid tiene el interfaz necesario
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| 36 | * de acceso a la informaci?n raster para aplicaciones de analisis raster. Contiene m?todos de acceso al
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| 37 | * dato tanto en lectura como en escritura y encapsula operaciones entre grids. Adem?s contiene
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| 38 | * objetos que contienen las caracter?sticas asociadas a ese grid. Sobre un grid pueden
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| 39 | * aplicarse tambi?n operaciones de filtrado.
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| 40 | 12166 | bsanchez | *
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| 41 | 10740 | nacho | * Podemos crear un Grid de cinco formas distitas:
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| 42 | * <UL>
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| 43 | * <LI>A partir de una fuente de datos (cargada en el constructor). Se har? una petici?n del extent pasado por par?metro con las bandas seleccionadas por par?metro.</LI>
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| 44 | * <LI>A partir de un extensi?n de capa, una extensi?n de vista, un tipo de dato y un n?mero de datos
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| 45 | * crea un Grid vacio util para escritura.</LI>
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| 46 | * <LI>A partir de una fuente de datos (cargados). Datasource se usa como buffer de datos cargados y se selecciona si queremos el reader interpolado.</LI>
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| 47 | * <LI>A partir de una fuente de datos (cargada en el constructor). Se har? una petici?n del extent completo de la fuente con las bandas seleccionadas por par?metro.</LI>
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| 48 | * <LI>A partir de una fuente de datos (cargada en el constructor). Se har? una petici?n del extent completo de la fuente con todas las bandas disponibles.</LI>
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| 49 | * </UL>
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| 50 | 12166 | bsanchez | *
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| 51 | 10740 | nacho | * @author Victor Olaya (volaya@ya.com)
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| 52 | * @author Nacho Brodin (nachobrodin@gmail.com)
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| 53 | */
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| 54 | public class Grid implements IQueryableGrid, IWritableGrid{ |
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| 55 | |||
| 56 | 18322 | nbrodin | public final static double DEG_45_IN_RAD = Math.PI / 180. * 45.; |
| 57 | public final static double DEG_90_IN_RAD = Math.PI / 180. * 90.; |
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| 58 | public final static double DEG_180_IN_RAD = Math.PI ; |
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| 59 | public final static double DEG_270_IN_RAD = Math.PI / 180. * 270.; |
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| 60 | public final static double DEG_360_IN_RAD = Math.PI * 2.; |
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| 61 | 12166 | bsanchez | |
| 62 | 18651 | nbrodin | /* neighbor's address*/ /* N NE E SE S SW W NW */ |
| 63 | 10740 | nacho | private final static int m_iOffsetX []= { 0, 1, 1, 1, 0, -1, -1, -1}; |
| 64 | private final static int m_iOffsetY []= { 1, 1, 0, -1, -1, -1, 0, 1}; |
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| 65 | 12166 | bsanchez | |
| 66 | 10740 | nacho | private double m_dDist[]; |
| 67 | public double _2DX, _6DX, _DX_2, _4DX_2; |
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| 68 | 12166 | bsanchez | |
| 69 | 10740 | nacho | private int[] bands = null; |
| 70 | private int dataType = IBuffer.TYPE_UNDEFINED; |
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| 71 | |||
| 72 | private RasterBuffer rasterBuf = null; |
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| 73 | private GridReader reader = null; |
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| 74 | private GridWriter writer = null; |
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| 75 | private GridExtent windowExtent = null; |
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| 76 | private GridExtent layerExtent = null; |
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| 77 | private GridStatistic statistic = null; |
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| 78 | private GridPalette[] palette = null; |
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| 79 | private RasterFilterList filterList = null; |
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| 80 | |||
| 81 | |||
| 82 | 12166 | bsanchez | |
| 83 | 10740 | nacho | /**
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| 84 | 11579 | nacho | * Crea un grid a partir de un MultiRasterDataset. Usa el extent de la fuente de datos como
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| 85 | * extent completo y el extent pasado como par?metro como extensi?n de ventana.
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| 86 | 12166 | bsanchez | *
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| 87 | 11579 | nacho | * Cuando se construye el reader se carga el buffer con la extensi?n definida en windowExtent
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| 88 | * y las bandas especificadas en bands.
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| 89 | 12166 | bsanchez | *
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| 90 | 13328 | nacho | * @param IRasterDataSource datasets que proporcionan los datos
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| 91 | 10740 | nacho | * @param bands n?mero de bandas requeridas
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| 92 | 12166 | bsanchez | * @param windowExtent Extensi?n de la ventana. Si este par?metro es null se usar? el
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| 93 | 10740 | nacho | * mismo que el de la capa.
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| 94 | */
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| 95 | 13328 | nacho | public Grid(IRasterDataSource datasets, int[] bands, GridExtent windowExtent) |
| 96 | 10740 | nacho | throws RasterBufferInvalidException{
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| 97 | 17686 | nbrodin | BufferFactory bufferFactory = new BufferFactory(datasets);
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| 98 | 20871 | dguerrero | double cellSize[] = calcCellSize(bufferFactory.getDataSource(), bufferFactory.getSourceWidth(), |
| 99 | 30008 | nbrodin | bufferFactory.getSourceHeight()); |
| 100 | layerExtent = new GridExtent( bufferFactory.getDataSource().getExtent(),
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| 101 | 20871 | dguerrero | cellSize[0],
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| 102 | cellSize[1]);
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| 103 | 17686 | nbrodin | if(bufferFactory.getDataSource() != null && bufferFactory.getDataSource().getDataType() != null) |
| 104 | dataType = bufferFactory.getDataSource().getDataType()[0];
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| 105 | 10740 | nacho | this.bands = bands;
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| 106 | 12166 | bsanchez | |
| 107 | 10740 | nacho | if(windowExtent == null) |
| 108 | this.windowExtent = layerExtent;
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| 109 | else
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| 110 | this.windowExtent = windowExtent;
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| 111 | 12166 | bsanchez | |
| 112 | 22259 | nbrodin | if (this.windowExtent.fitsIn(layerExtent)) |
| 113 | reader = new GridNotInterpolated(bufferFactory, layerExtent, this.windowExtent, bands); |
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| 114 | 30008 | nbrodin | else
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| 115 | 22259 | nbrodin | reader = new GridInterpolated(bufferFactory, layerExtent, this.windowExtent, bands); |
| 116 | 21387 | nbrodin | rasterBuf = (RasterBuffer)bufferFactory.getRasterBuf(); |
| 117 | 10740 | nacho | writer = new GridWriter(layerExtent, dataType, rasterBuf);
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| 118 | 30008 | nbrodin | |
| 119 | 17686 | nbrodin | init(bufferFactory); |
| 120 | 10740 | nacho | } |
| 121 | 30008 | nbrodin | |
| 122 | 21459 | nbrodin | /**
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| 123 | * Carga el buffer de datos desde el reader para poder escribir sobre los datos de
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| 124 | * la ventana original. Esto es ?til cuando el GridWriter se crea asociado a un raster
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| 125 | * pero el buffer est? vacio, por ejemplo en el caso de crear un GridInterpolated. Un
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| 126 | * GridInterpolated no carga ning?n buffer en memoria sino que accede a los datos en disco
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| 127 | * a medida que se le van solicitando. Por ello, no es posible modificarlos sino cargamos
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| 128 | * un buffer con los datos previamente.
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| 129 | */
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| 130 | public void loadWriterData() throws GridException { |
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| 131 | rasterBuf = RasterBuffer.getBuffer(dataType, reader.getNX(), reader.getNY(), bands.length, true);
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| 132 | writer = new GridWriter(windowExtent, dataType, rasterBuf);
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| 133 | int x = 0, y = 0; |
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| 134 | try{
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| 135 | switch(rasterBuf.getDataType()) {
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| 136 | 30008 | nbrodin | case IBuffer.TYPE_BYTE: for (x = 0; x < getNX(); x++) |
| 137 | for (y = 0; y < getNY(); y++) |
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| 138 | writer.setCellValue(x, y, (reader.getCellValueAsByte(x, y))); |
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| 139 | 21459 | nbrodin | break;
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| 140 | 30008 | nbrodin | case IBuffer.TYPE_SHORT:for (x = 0; x < getNX(); x++) |
| 141 | for (y = 0; y < getNY(); y++) |
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| 142 | writer.setCellValue(x, y, (reader.getCellValueAsShort(x, y))); |
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| 143 | 21459 | nbrodin | break;
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| 144 | 30008 | nbrodin | case IBuffer.TYPE_INT: for (x = 0; x < getNX(); x++) |
| 145 | for (y = 0; y < getNY(); y++) |
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| 146 | writer.setCellValue(x, y, (reader.getCellValueAsInt(x, y))); |
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| 147 | 21459 | nbrodin | break;
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| 148 | 30008 | nbrodin | case IBuffer.TYPE_FLOAT:for (x = 0; x < getNX(); x++) |
| 149 | for (y = 0; y < getNY(); y++) |
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| 150 | writer.setCellValue(x, y, (reader.getCellValueAsFloat(x, y))); |
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| 151 | 21459 | nbrodin | break;
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| 152 | 30008 | nbrodin | case IBuffer.TYPE_DOUBLE:for (x = 0; x < getNX(); x++) |
| 153 | for (y = 0; y < getNY(); y++) |
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| 154 | writer.setCellValue(x, y, (reader.getCellValueAsDouble(x, y))); |
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| 155 | 21459 | nbrodin | break;
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| 156 | } |
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| 157 | } catch (RasterBufferInvalidException e) {
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| 158 | throw new GridException("Buffer de datos no v?lido " + x + " " + y, e); |
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| 159 | } catch (OutOfGridException e1) {
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| 160 | throw new GridException("Acceso fuera de los l?mites del Grid " + x + " " + y, e1); |
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| 161 | } catch (RasterBufferInvalidAccessException e) {
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| 162 | throw new GridException("Acceso al grid no v?lido " + x + " " + y, e); |
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| 163 | } |
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| 164 | } |
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| 165 | 12166 | bsanchez | |
| 166 | 10740 | nacho | /**
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| 167 | 12166 | bsanchez | * Crea un grid vacio a partir de un extent y un tipo de datos. Se crea un buffer vacio en el
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| 168 | 10740 | nacho | * que puede escribirse a trav?s del writer. Los datos escritos pueden ser consultados con el
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| 169 | * reader. No tiene una fuente de datos asociada ya que es un grid vacio basicamente para
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| 170 | 12166 | bsanchez | * escritura.
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| 171 | 10740 | nacho | * @param layerExtent Tama?o completo de la capa
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| 172 | * @param windowExtent Ventana de datos.
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| 173 | * @param dataType Tipo de datos del buffer
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| 174 | 12166 | bsanchez | * @param bands n?mero de bandas requeridas y orden de dibujado en el buffer
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| 175 | 10740 | nacho | */
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| 176 | public Grid(GridExtent layerExtent,
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| 177 | GridExtent windowExtent, |
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| 178 | 12166 | bsanchez | int dataType,
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| 179 | 10740 | nacho | int[] bands) throws RasterBufferInvalidException{ |
| 180 | this.windowExtent = windowExtent;
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| 181 | this.layerExtent = layerExtent;
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| 182 | this.dataType = dataType;
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| 183 | 12166 | bsanchez | |
| 184 | 11396 | nacho | rasterBuf = RasterBuffer.getBuffer(dataType, layerExtent.getNX(), layerExtent.getNY(), bands.length, true);
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| 185 | 12166 | bsanchez | |
| 186 | 10740 | nacho | if (windowExtent.fitsIn(layerExtent))
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| 187 | 12166 | bsanchez | reader = new GridNotInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 188 | 10740 | nacho | else
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| 189 | reader = new GridInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 190 | writer = new GridWriter(layerExtent, dataType, rasterBuf);
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| 191 | init(null);
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| 192 | } |
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| 193 | 12166 | bsanchez | |
| 194 | 10740 | nacho | /**
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| 195 | 11076 | nacho | * Crea un grid a partir de un BufferFactory. El buffer debe estar cargado de datos y el extent
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| 196 | 10740 | nacho | * de este viene definido en el par?metro windowExtent.
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| 197 | 13328 | nacho | * @param bufferFactory Fuente de datos
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| 198 | * @param windowExtent Extent de los datos cargados en bufferFactory
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| 199 | 10740 | nacho | * @param notInterp Si es true fuerza a que el reader sea sin interpolaci?n. Si es false decide si
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| 200 | * el reader es interpolado o no a partir de los extents de capa y la ventana seleccionada.
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| 201 | */
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| 202 | 13328 | nacho | public Grid(BufferFactory bufferFactory, boolean notInterp) { |
| 203 | 20871 | dguerrero | double cellSize[] = calcCellSize(bufferFactory.getDataSource(), bufferFactory.getSourceWidth(), |
| 204 | 30008 | nbrodin | bufferFactory.getSourceHeight()); |
| 205 | this.layerExtent = new GridExtent( bufferFactory.getDataSource().getExtent(), |
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| 206 | 20871 | dguerrero | cellSize[0],
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| 207 | cellSize[1]);
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| 208 | 17686 | nbrodin | if(bufferFactory.getDataSource() != null && bufferFactory.getDataSource().getDataType() != null) |
| 209 | dataType = bufferFactory.getDataSource().getDataType()[0];
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| 210 | 13328 | nacho | bands = bufferFactory.getDrawableBands(); |
| 211 | 12166 | bsanchez | |
| 212 | 30008 | nbrodin | this.windowExtent = new GridExtent( bufferFactory.getDataExtent(), |
| 213 | 20871 | dguerrero | cellSize[0],
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| 214 | cellSize[1]);
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| 215 | 12166 | bsanchez | |
| 216 | 13328 | nacho | rasterBuf = (RasterBuffer)bufferFactory.getRasterBuf(); |
| 217 | 12166 | bsanchez | |
| 218 | 30008 | nbrodin | if(notInterp)
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| 219 | 10740 | nacho | reader = new GridNotInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 220 | 30008 | nbrodin | else if (windowExtent.fitsIn(layerExtent)) |
| 221 | reader = new GridNotInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 222 | else
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| 223 | reader = new GridInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 224 | 10740 | nacho | writer = new GridWriter(layerExtent, dataType, rasterBuf);
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| 225 | 13328 | nacho | init(bufferFactory); |
| 226 | 10740 | nacho | } |
| 227 | 12166 | bsanchez | |
| 228 | 10740 | nacho | /**
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| 229 | 11076 | nacho | * Crea un grid a partir de un BufferFactory. Se har? una petici?n del extent completo de la fuente.
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| 230 | 13328 | nacho | * bufferFactory tiene asociada una fuente de datos pero se ignorar? si tiene el buffer lleno. La instanciaci?n
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| 231 | 12166 | bsanchez | * de GridNotInterpolated har? que se haga la petici?n para cargar raster completo.
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| 232 | 13328 | nacho | * @param bufferFactory Fuente de datos
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| 233 | 10740 | nacho | * @param bands n?mero de bandas requeridas y orden de dibujado en el buffer
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| 234 | */
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| 235 | 13328 | nacho | public Grid(BufferFactory bufferFactory, int[] bands) |
| 236 | 10740 | nacho | throws RasterBufferInvalidException{
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| 237 | //La petici?n es del raster completo
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| 238 | 20871 | dguerrero | double cellSize[] = calcCellSize(bufferFactory.getDataSource(), bufferFactory.getSourceWidth(), |
| 239 | 30008 | nbrodin | bufferFactory.getSourceHeight()); |
| 240 | windowExtent = layerExtent = new GridExtent(bufferFactory.getDataSource().getExtent(),
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| 241 | 20871 | dguerrero | cellSize[0],
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| 242 | cellSize[1]);
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| 243 | 17686 | nbrodin | if(bufferFactory.getDataSource() != null && bufferFactory.getDataSource().getDataType() != null) |
| 244 | dataType = bufferFactory.getDataSource().getDataType()[0];
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| 245 | 10740 | nacho | this.bands = bands;
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| 246 | 12166 | bsanchez | |
| 247 | 13328 | nacho | reader = new GridNotInterpolated(bufferFactory, layerExtent, windowExtent, bands);
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| 248 | rasterBuf = (RasterBuffer)bufferFactory.getRasterBuf(); |
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| 249 | 10740 | nacho | writer = new GridWriter(windowExtent, dataType, rasterBuf);
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| 250 | 12166 | bsanchez | |
| 251 | 13328 | nacho | init(bufferFactory); |
| 252 | 10740 | nacho | } |
| 253 | 12166 | bsanchez | |
| 254 | 10740 | nacho | /**
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| 255 | 11076 | nacho | * Crea un grid a partir de un BufferFactory. Se har? una petici?n del extent completo de la fuente.
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| 256 | 13328 | nacho | * bufferFactory tiene asociada una fuente de datos pero se ignorar? si tiene el buffer lleno. La instanciaci?n
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| 257 | 12166 | bsanchez | * de GridNotInterpolated har? que se haga la petici?n para cargar raster completo. El buffer se cargar?
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| 258 | * con todas las bandas disponibles.
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| 259 | 13328 | nacho | * @param bufferFactory Fuente de datos
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| 260 | 10740 | nacho | */
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| 261 | 13328 | nacho | public Grid(BufferFactory bufferFactory) throws RasterBufferInvalidException { |
| 262 | 10740 | nacho | //La petici?n es del raster completo
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| 263 | 20871 | dguerrero | double cellSize[] = calcCellSize(bufferFactory.getDataSource(), bufferFactory.getSourceWidth(), |
| 264 | 30008 | nbrodin | bufferFactory.getSourceHeight()); |
| 265 | windowExtent = layerExtent = new GridExtent(bufferFactory.getDataSource().getExtent(),
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| 266 | 20871 | dguerrero | cellSize[0],
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| 267 | cellSize[1]);
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| 268 | 17686 | nbrodin | if(bufferFactory.getDataSource() != null && bufferFactory.getDataSource().getDataType() != null) |
| 269 | dataType = bufferFactory.getDataSource().getDataType()[0];
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| 270 | 12166 | bsanchez | |
| 271 | 13328 | nacho | bands = new int[bufferFactory.getBandCount()]; |
| 272 | for(int i = 0; i < bufferFactory.getBandCount(); i ++) |
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| 273 | 10740 | nacho | bands[i] = i; |
| 274 | 13328 | nacho | reader = new GridNotInterpolated(bufferFactory, layerExtent, windowExtent, bands);
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| 275 | rasterBuf = (RasterBuffer)bufferFactory.getRasterBuf(); |
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| 276 | 10740 | nacho | writer = new GridWriter(windowExtent, dataType, rasterBuf);
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| 277 | 12166 | bsanchez | |
| 278 | 13328 | nacho | init(bufferFactory); |
| 279 | 10740 | nacho | } |
| 280 | 30008 | nbrodin | |
| 281 | 17686 | nbrodin | /**
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| 282 | 20871 | dguerrero | * Calcula el tama?o de celda a partir de un dataset, un ancho y un alto en pixeles
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| 283 | 17686 | nbrodin | * @return
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| 284 | */
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| 285 | 20871 | dguerrero | private double[] calcCellSize(IRasterDataSource mDataset, double w, double h) { |
| 286 | double dCellsize[] = new double[2]; |
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| 287 | 17686 | nbrodin | try {
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| 288 | Extent e = mDataset.getExtent(); |
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| 289 | 21459 | nbrodin | dCellsize[0] = (e.getLRX() - e.getULX()) / w;
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| 290 | dCellsize[1] = (e.getLRY() - e.getULY()) / h;
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| 291 | 30008 | nbrodin | |
| 292 | 17686 | nbrodin | return dCellsize;
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| 293 | } catch (NullPointerException e) { |
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| 294 | 20871 | dguerrero | dCellsize[0] = 1; |
| 295 | dCellsize[1] = 1; |
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| 296 | return dCellsize;
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| 297 | 17686 | nbrodin | } |
| 298 | } |
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| 299 | 12166 | bsanchez | |
| 300 | 10740 | nacho | /**
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| 301 | * Selecciona la forma de obtener datos con o sin interpolaci?n. Si pasamos el par?metro
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| 302 | 12166 | bsanchez | * false al aplicar un m?todo de consulta de datos este ser? aplicado sin interpolaci?n.
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| 303 | 10740 | nacho | * @param interpolation
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| 304 | */
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| 305 | public void switchToInterpolationMethod(boolean interpolation){ |
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| 306 | //GridExtent layer = new GridExtent(0, 0, rasterBuf.getWidth(), rasterBuf.getHeight(), 1);
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| 307 | if(interpolation)
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| 308 | reader = new GridInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 309 | else
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| 310 | reader = new GridNotInterpolated(rasterBuf, layerExtent, windowExtent, bands);
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| 311 | init(null);
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| 312 | } |
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| 313 | 12166 | bsanchez | |
| 314 | 10740 | nacho | /**
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| 315 | * Inicializaci?n de constantes
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| 316 | */
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| 317 | 12066 | nacho | private void init(BufferFactory ds) { |
| 318 | 10740 | nacho | int i;
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| 319 | 16327 | bsanchez | GridTransparency transparency = null;
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| 320 | |||
| 321 | 10740 | nacho | double dCellSize = getCellSize();
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| 322 | 12166 | bsanchez | |
| 323 | 10740 | nacho | statistic = new GridStatistic(this); |
| 324 | 16327 | bsanchez | if (ds == null) |
| 325 | 10740 | nacho | transparency = new GridTransparency();
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| 326 | 12066 | nacho | else {
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| 327 | 13328 | nacho | Transparency transp = ds.getDataSource().getTransparencyFilesStatus();
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| 328 | 16327 | bsanchez | if (transp != null) |
| 329 | 10740 | nacho | transparency = new GridTransparency(transp);
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| 330 | 12218 | nacho | this.palette = new GridPalette[ds.getColorTables().length]; |
| 331 | 30008 | nbrodin | for (int iPal = 0; iPal < ds.getColorTables().length; iPal++) |
| 332 | 12567 | bsanchez | if (ds.getColorTables()[iPal] != null) |
| 333 | 12218 | nacho | this.palette[iPal] = new GridPalette(ds.getColorTables()[iPal]); |
| 334 | 10740 | nacho | } |
| 335 | filterList = new RasterFilterList();
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||
| 336 | 16327 | bsanchez | if (ds != null) { |
| 337 | 15778 | nbrodin | filterList.addEnvParam("IStatistics", ds.getDataSource().getStatistics());
|
| 338 | filterList.addEnvParam("MultiRasterDataset", ds.getDataSource());
|
||
| 339 | 11766 | nacho | } |
| 340 | 15778 | nbrodin | filterList.addEnvParam("Transparency", transparency);
|
| 341 | 21387 | nbrodin | if(rasterBuf != null) |
| 342 | filterList.setInitRasterBuf(rasterBuf); |
||
| 343 | 12166 | bsanchez | |
| 344 | 10740 | nacho | m_dDist = new double[8]; |
| 345 | 12166 | bsanchez | |
| 346 | 30008 | nbrodin | for (i = 0; i < 8; i++) |
| 347 | 16327 | bsanchez | m_dDist[i] = Math.sqrt ( m_iOffsetX[i] * dCellSize * m_iOffsetX[i] * dCellSize
|
| 348 | + m_iOffsetY[i] * dCellSize * m_iOffsetY[i] * dCellSize ); |
||
| 349 | 12166 | bsanchez | |
| 350 | 16327 | bsanchez | _2DX = dCellSize * 2.0;
|
| 351 | _6DX = dCellSize * 6.0;
|
||
| 352 | 10740 | nacho | _DX_2 = dCellSize * dCellSize; |
| 353 | _4DX_2 = 4.0 * _DX_2;
|
||
| 354 | } |
||
| 355 | 12166 | bsanchez | |
| 356 | 10740 | nacho | //************* Write Services *********************
|
| 357 | 12166 | bsanchez | |
| 358 | 10740 | nacho | /*
|
| 359 | * (non-Javadoc)
|
||
| 360 | * @see org.gvsig.fmap.grid.IWritableGrid#assign(byte)
|
||
| 361 | */
|
||
| 362 | 16590 | nbrodin | public void assign(byte value)throws GridException { |
| 363 | try {
|
||
| 364 | writer.assign(value); |
||
| 365 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 366 | throw new GridException("Error wrinting buffer"); |
||
| 367 | } |
||
| 368 | 10740 | nacho | } |
| 369 | 12166 | bsanchez | |
| 370 | 10740 | nacho | /*
|
| 371 | * (non-Javadoc)
|
||
| 372 | * @see org.gvsig.fmap.grid.IWritableGrid#assign(short)
|
||
| 373 | */
|
||
| 374 | 16590 | nbrodin | public void assign(short value)throws GridException { |
| 375 | try {
|
||
| 376 | writer.assign(value); |
||
| 377 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 378 | throw new GridException("Error wrinting buffer"); |
||
| 379 | } |
||
| 380 | 10740 | nacho | } |
| 381 | 12166 | bsanchez | |
| 382 | 10740 | nacho | /*
|
| 383 | * (non-Javadoc)
|
||
| 384 | * @see org.gvsig.fmap.grid.IWritableGrid#assign(int)
|
||
| 385 | 30008 | nbrodin | */
|
| 386 | 16590 | nbrodin | public void assign(int value)throws GridException { |
| 387 | try {
|
||
| 388 | writer.assign(value); |
||
| 389 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 390 | throw new GridException("Error wrinting buffer"); |
||
| 391 | } |
||
| 392 | 10740 | nacho | } |
| 393 | 12166 | bsanchez | |
| 394 | 10740 | nacho | /*
|
| 395 | * (non-Javadoc)
|
||
| 396 | * @see org.gvsig.fmap.grid.IWritableGrid#assign(float)
|
||
| 397 | */
|
||
| 398 | 16590 | nbrodin | public void assign(float value)throws GridException { |
| 399 | try {
|
||
| 400 | writer.assign(value); |
||
| 401 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 402 | throw new GridException("Error wrinting buffer"); |
||
| 403 | } |
||
| 404 | 10740 | nacho | } |
| 405 | 12166 | bsanchez | |
| 406 | 10740 | nacho | /*
|
| 407 | * (non-Javadoc)
|
||
| 408 | * @see org.gvsig.fmap.grid.IWritableGrid#assign(double)
|
||
| 409 | */
|
||
| 410 | 16590 | nbrodin | public void assign(double value)throws GridException { |
| 411 | try {
|
||
| 412 | writer.assign(value); |
||
| 413 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 414 | throw new GridException("Error wrinting buffer"); |
||
| 415 | } |
||
| 416 | 10740 | nacho | } |
| 417 | 12166 | bsanchez | |
| 418 | 10740 | nacho | /*
|
| 419 | * (non-Javadoc)
|
||
| 420 | 11076 | nacho | * @see org.gvsig.fmap.grid.IWritableGrid#assign(org.gvsig.fmap.dataaccess.BufferFactory)
|
| 421 | 10740 | nacho | */
|
| 422 | 16590 | nbrodin | public void assign(BufferFactory bufferFactory) throws GridException { |
| 423 | Grid window; |
||
| 424 | try {
|
||
| 425 | window = new Grid(bufferFactory.getDataSource(), bands, windowExtent);
|
||
| 426 | write(window); |
||
| 427 | writer.setNoDataValue(window.getNoDataValue()); |
||
| 428 | } catch (RasterBufferInvalidException e) {
|
||
| 429 | throw new GridException("Error writing buffer"); |
||
| 430 | } |
||
| 431 | 10740 | nacho | } |
| 432 | 12166 | bsanchez | |
| 433 | 10740 | nacho | /*
|
| 434 | * (non-Javadoc)
|
||
| 435 | * @see org.gvsig.fmap.grid.IWritableGrid#assign(org.gvsig.fmap.grid.Grid)
|
||
| 436 | */
|
||
| 437 | 16590 | nbrodin | public void assign(Grid driver) throws GridException { |
| 438 | 10740 | nacho | if (driver.getGridExtent().equals(layerExtent)){
|
| 439 | write(driver); |
||
| 440 | writer.setNoDataValue(driver.getNoDataValue()); |
||
| 441 | 12166 | bsanchez | } |
| 442 | } |
||
| 443 | |||
| 444 | 10740 | nacho | /**
|
| 445 | * Sobreescribe los datos del grid actual con los datos del grid pasado por par?metro
|
||
| 446 | * @param g Grid desde donde se obtienen los datos
|
||
| 447 | 16327 | bsanchez | */
|
| 448 | 16590 | nbrodin | private void write(Grid g) throws GridException { |
| 449 | 10740 | nacho | try{
|
| 450 | switch(rasterBuf.getDataType()){
|
||
| 451 | 30008 | nbrodin | case IBuffer.TYPE_BYTE: for (int x = 0; x < g.getNX(); x++) |
| 452 | for (int y = 0; y < g.getNY(); y++) |
||
| 453 | writer.setCellValue(x, y, g.getCellValueAsByte(x, y)); |
||
| 454 | 10740 | nacho | break;
|
| 455 | 30008 | nbrodin | case IBuffer.TYPE_SHORT:for (int x = 0; x < g.getNX(); x++) |
| 456 | for (int y = 0; y < g.getNY(); y++) |
||
| 457 | writer.setCellValue(x, y, g.getCellValueAsShort(x, y)); |
||
| 458 | 10740 | nacho | break;
|
| 459 | 30008 | nbrodin | case IBuffer.TYPE_INT: for (int x = 0; x < g.getNX(); x++) |
| 460 | for (int y = 0; y < g.getNY(); y++) |
||
| 461 | writer.setCellValue(x, y, g.getCellValueAsInt(x, y)); |
||
| 462 | 10740 | nacho | break;
|
| 463 | 30008 | nbrodin | case IBuffer.TYPE_FLOAT:for (int x = 0; x < g.getNX(); x++) |
| 464 | for (int y = 0; y < g.getNY(); y++) |
||
| 465 | writer.setCellValue(x, y, g.getCellValueAsFloat(x, y)); |
||
| 466 | 10740 | nacho | break;
|
| 467 | 30008 | nbrodin | case IBuffer.TYPE_DOUBLE:for (int x = 0; x < g.getNX(); x++) |
| 468 | for (int y = 0; y < g.getNY(); y++) |
||
| 469 | writer.setCellValue(x, y, g.getCellValueAsDouble(x, y)); |
||
| 470 | 10740 | nacho | break;
|
| 471 | } |
||
| 472 | } catch (OutOfGridException e) {
|
||
| 473 | 16590 | nbrodin | throw new GridException(""); |
| 474 | 30008 | nbrodin | } |
| 475 | 10740 | nacho | } |
| 476 | 12166 | bsanchez | |
| 477 | 10740 | nacho | /*
|
| 478 | * (non-Javadoc)
|
||
| 479 | * @see org.gvsig.fmap.grid.IWritableGrid#assignNoData()
|
||
| 480 | */
|
||
| 481 | 12166 | bsanchez | public void assignNoData(){ |
| 482 | 10740 | nacho | try {
|
| 483 | switch(rasterBuf.getDataType()){
|
||
| 484 | case IBuffer.TYPE_BYTE: writer.assign((byte)rasterBuf.getNoDataValue());break; |
||
| 485 | case IBuffer.TYPE_SHORT: writer.assign((short)rasterBuf.getNoDataValue());break; |
||
| 486 | case IBuffer.TYPE_INT: writer.assign((int)rasterBuf.getNoDataValue());break; |
||
| 487 | case IBuffer.TYPE_FLOAT: writer.assign((float)rasterBuf.getNoDataValue());break; |
||
| 488 | 30008 | nbrodin | case IBuffer.TYPE_DOUBLE: writer.assign(rasterBuf.getNoDataValue());break; |
| 489 | 10740 | nacho | } |
| 490 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 491 | //No hacemos nada. El tipo de dato al que se accede no es controlado por el usuario por lo
|
||
| 492 | //que no le mandamos la excepci?n hacia arriba.
|
||
| 493 | e.printStackTrace(); |
||
| 494 | } |
||
| 495 | } |
||
| 496 | 12166 | bsanchez | |
| 497 | 10740 | nacho | /*
|
| 498 | * (non-Javadoc)
|
||
| 499 | * @see org.gvsig.fmap.grid.IWritableGrid#setCellValue(int, int, byte)
|
||
| 500 | */
|
||
| 501 | public void setCellValue(int x, int y, byte value)throws OutOfGridException{ |
||
| 502 | writer.setCellValue(x, y, value); |
||
| 503 | } |
||
| 504 | 12166 | bsanchez | |
| 505 | 10740 | nacho | /*
|
| 506 | * (non-Javadoc)
|
||
| 507 | * @see org.gvsig.fmap.grid.IWritableGrid#setCellValue(int, int, short)
|
||
| 508 | */
|
||
| 509 | public void setCellValue(int x, int y, short value)throws OutOfGridException{ |
||
| 510 | writer.setCellValue(x, y, value); |
||
| 511 | } |
||
| 512 | 12166 | bsanchez | |
| 513 | 10740 | nacho | /*
|
| 514 | * (non-Javadoc)
|
||
| 515 | * @see org.gvsig.fmap.grid.IWritableGrid#setCellValue(int, int, int)
|
||
| 516 | */
|
||
| 517 | public void setCellValue(int x, int y, int value)throws OutOfGridException{ |
||
| 518 | writer.setCellValue(x, y, value); |
||
| 519 | } |
||
| 520 | 12166 | bsanchez | |
| 521 | 10740 | nacho | /*
|
| 522 | * (non-Javadoc)
|
||
| 523 | * @see org.gvsig.fmap.grid.IWritableGrid#setCellValue(int, int, float)
|
||
| 524 | */
|
||
| 525 | public void setCellValue(int x, int y, float value)throws OutOfGridException{ |
||
| 526 | writer.setCellValue(x, y, value); |
||
| 527 | } |
||
| 528 | 12166 | bsanchez | |
| 529 | 10740 | nacho | /*
|
| 530 | * (non-Javadoc)
|
||
| 531 | * @see org.gvsig.fmap.grid.IWritableGrid#setCellValue(int, int, double)
|
||
| 532 | */
|
||
| 533 | public void setCellValue(int x, int y, double value)throws OutOfGridException{ |
||
| 534 | writer.setCellValue(x, y, value); |
||
| 535 | } |
||
| 536 | 12166 | bsanchez | |
| 537 | 10740 | nacho | /*
|
| 538 | * (non-Javadoc)
|
||
| 539 | * @see org.gvsig.fmap.grid.IWritableGrid#add(org.gvsig.fmap.grid.Grid)
|
||
| 540 | */
|
||
| 541 | 16590 | nbrodin | public void add(Grid g) throws GridException { |
| 542 | if (g.getGridExtent().equals(getGridExtent())) {
|
||
| 543 | 10740 | nacho | boolean interp = (reader instanceof GridInterpolated); |
| 544 | switchToInterpolationMethod(false);
|
||
| 545 | try{
|
||
| 546 | switch(rasterBuf.getDataType()){
|
||
| 547 | 30008 | nbrodin | case IBuffer.TYPE_BYTE: for (int x = 0; x < g.getNX(); x++) |
| 548 | for (int y = 0; y < g.getNY(); y++) |
||
| 549 | writer.setCellValue(x, y, reader.getCellValueAsByte(x, y) + g.getCellValueAsByte(x,y)); |
||
| 550 | 10740 | nacho | break;
|
| 551 | 30008 | nbrodin | case IBuffer.TYPE_SHORT:for (int x = 0; x < g.getNX(); x++) |
| 552 | for (int y = 0; y < g.getNY(); y++) |
||
| 553 | writer.setCellValue(x, y, reader.getCellValueAsShort(x, y) + g.getCellValueAsShort(x,y)); |
||
| 554 | 10740 | nacho | break;
|
| 555 | 30008 | nbrodin | case IBuffer.TYPE_INT: for (int x = 0; x < g.getNX(); x++) |
| 556 | for (int y = 0; y < g.getNY(); y++) |
||
| 557 | writer.setCellValue(x, y, reader.getCellValueAsInt(x, y) + g.getCellValueAsInt(x,y)); |
||
| 558 | 10740 | nacho | break;
|
| 559 | 30008 | nbrodin | case IBuffer.TYPE_FLOAT:for (int x = 0; x < g.getNX(); x++) |
| 560 | for (int y = 0; y < g.getNY(); y++) |
||
| 561 | writer.setCellValue(x, y, reader.getCellValueAsFloat(x, y) + g.getCellValueAsFloat(x,y)); |
||
| 562 | 10740 | nacho | break;
|
| 563 | 30008 | nbrodin | case IBuffer.TYPE_DOUBLE:for (int x = 0; x < g.getNX(); x++) |
| 564 | for (int y = 0; y < g.getNY(); y++) |
||
| 565 | writer.setCellValue(x, y, reader.getCellValueAsDouble(x, y) + g.getCellValueAsDouble(x,y)); |
||
| 566 | 10740 | nacho | break;
|
| 567 | } |
||
| 568 | } catch (OutOfGridException e) {
|
||
| 569 | 16590 | nbrodin | throw new GridException(""); |
| 570 | 10740 | nacho | } catch (RasterBufferInvalidAccessException e1) {
|
| 571 | 16590 | nbrodin | throw new GridException(""); |
| 572 | } catch (RasterBufferInvalidException e) {
|
||
| 573 | throw new GridException(""); |
||
| 574 | 10740 | nacho | } |
| 575 | switchToInterpolationMethod(interp); |
||
| 576 | } |
||
| 577 | } |
||
| 578 | 12166 | bsanchez | |
| 579 | 10740 | nacho | /*
|
| 580 | * (non-Javadoc)
|
||
| 581 | * @see org.gvsig.fmap.grid.IWritableGrid#addToCellValue(int, int, byte)
|
||
| 582 | */
|
||
| 583 | public void addToCellValue(int x, int y, byte value) |
||
| 584 | 16590 | nbrodin | throws GridException {
|
| 585 | try {
|
||
| 586 | writer.setCellValue(x, y, (byte)(reader.getCellValueAsByte(x, y) + value));
|
||
| 587 | } catch (OutOfGridException e) {
|
||
| 588 | throw new GridException(""); |
||
| 589 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 590 | throw new GridException(""); |
||
| 591 | } catch (RasterBufferInvalidException e) {
|
||
| 592 | throw new GridException(""); |
||
| 593 | } |
||
| 594 | 10740 | nacho | } |
| 595 | 12166 | bsanchez | |
| 596 | 10740 | nacho | /*
|
| 597 | * (non-Javadoc)
|
||
| 598 | * @see org.gvsig.fmap.grid.IWritableGrid#addToCellValue(int, int, short)
|
||
| 599 | */
|
||
| 600 | public void addToCellValue(int x, int y, short value) |
||
| 601 | 16590 | nbrodin | throws GridException {
|
| 602 | try {
|
||
| 603 | writer.setCellValue(x, y, (short)(reader.getCellValueAsShort(x, y) + value));
|
||
| 604 | } catch (OutOfGridException e) {
|
||
| 605 | throw new GridException(""); |
||
| 606 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 607 | throw new GridException(""); |
||
| 608 | } catch (RasterBufferInvalidException e) {
|
||
| 609 | throw new GridException(""); |
||
| 610 | } |
||
| 611 | 10740 | nacho | } |
| 612 | 12166 | bsanchez | |
| 613 | 10740 | nacho | /*
|
| 614 | * (non-Javadoc)
|
||
| 615 | * @see org.gvsig.fmap.grid.IWritableGrid#addToCellValue(int, int, int)
|
||
| 616 | */
|
||
| 617 | public void addToCellValue(int x, int y, int value) |
||
| 618 | 16590 | nbrodin | throws GridException {
|
| 619 | try {
|
||
| 620 | 30008 | nbrodin | writer.setCellValue(x, y, (reader.getCellValueAsInt(x, y) + value)); |
| 621 | 16590 | nbrodin | } catch (OutOfGridException e) {
|
| 622 | throw new GridException(""); |
||
| 623 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 624 | throw new GridException(""); |
||
| 625 | } catch (RasterBufferInvalidException e) {
|
||
| 626 | throw new GridException(""); |
||
| 627 | } |
||
| 628 | 10740 | nacho | } |
| 629 | 12166 | bsanchez | |
| 630 | 10740 | nacho | /*
|
| 631 | * (non-Javadoc)
|
||
| 632 | * @see org.gvsig.fmap.grid.IWritableGrid#addToCellValue(int, int, float)
|
||
| 633 | */
|
||
| 634 | public void addToCellValue(int x, int y, float value) |
||
| 635 | 16590 | nbrodin | throws GridException {
|
| 636 | try {
|
||
| 637 | 30008 | nbrodin | writer.setCellValue(x, y, (reader.getCellValueAsFloat(x, y) + value)); |
| 638 | 16590 | nbrodin | } catch (OutOfGridException e) {
|
| 639 | throw new GridException(""); |
||
| 640 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 641 | throw new GridException(""); |
||
| 642 | } catch (RasterBufferInvalidException e) {
|
||
| 643 | throw new GridException(""); |
||
| 644 | } |
||
| 645 | 10740 | nacho | } |
| 646 | 12166 | bsanchez | |
| 647 | 10740 | nacho | /*
|
| 648 | * (non-Javadoc)
|
||
| 649 | * @see org.gvsig.fmap.grid.IWritableGrid#addToCellValue(int, int, double)
|
||
| 650 | */
|
||
| 651 | public void addToCellValue(int x, int y, double value) |
||
| 652 | 16590 | nbrodin | throws GridException {
|
| 653 | try {
|
||
| 654 | 30008 | nbrodin | writer.setCellValue(x, y, (reader.getCellValueAsDouble(x, y) + value)); |
| 655 | 16590 | nbrodin | } catch (OutOfGridException e) {
|
| 656 | throw new GridException(""); |
||
| 657 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 658 | throw new GridException(""); |
||
| 659 | } catch (RasterBufferInvalidException e) {
|
||
| 660 | throw new GridException(""); |
||
| 661 | } |
||
| 662 | 12166 | bsanchez | } |
| 663 | |||
| 664 | 10740 | nacho | /*
|
| 665 | * (non-Javadoc)
|
||
| 666 | * @see org.gvsig.fmap.grid.IWritableGrid#multiply(double)
|
||
| 667 | */
|
||
| 668 | 16590 | nbrodin | public void multiply(double value) throws GridException { |
| 669 | 10740 | nacho | boolean interp = (reader instanceof GridInterpolated); |
| 670 | switchToInterpolationMethod(false);
|
||
| 671 | try{
|
||
| 672 | switch(rasterBuf.getDataType()){
|
||
| 673 | 30008 | nbrodin | case IBuffer.TYPE_BYTE: for (int x = 0; x < getNX(); x++) |
| 674 | for (int y = 0; y < getNY(); y++) |
||
| 675 | writer.setCellValue(x, y, (byte)(reader.getCellValueAsByte(x, y) * value));
|
||
| 676 | 10740 | nacho | break;
|
| 677 | 30008 | nbrodin | case IBuffer.TYPE_SHORT:for (int x = 0; x < getNX(); x++) |
| 678 | for (int y = 0; y < getNY(); y++) |
||
| 679 | writer.setCellValue(x, y, (short)(reader.getCellValueAsShort(x, y) * value));
|
||
| 680 | 10740 | nacho | break;
|
| 681 | 30008 | nbrodin | case IBuffer.TYPE_INT: for (int x = 0; x < getNX(); x++) |
| 682 | for (int y = 0; y < getNY(); y++) |
||
| 683 | writer.setCellValue(x, y, (int)(reader.getCellValueAsInt(x, y) * value));
|
||
| 684 | 10740 | nacho | break;
|
| 685 | 30008 | nbrodin | case IBuffer.TYPE_FLOAT:for (int x = 0; x < getNX(); x++) |
| 686 | for (int y = 0; y < getNY(); y++) |
||
| 687 | writer.setCellValue(x, y, (float)(reader.getCellValueAsFloat(x, y) * value));
|
||
| 688 | 10740 | nacho | break;
|
| 689 | 30008 | nbrodin | case IBuffer.TYPE_DOUBLE:for (int x = 0; x < getNX(); x++) |
| 690 | for (int y = 0; y < getNY(); y++) |
||
| 691 | writer.setCellValue(x, y, (reader.getCellValueAsDouble(x, y) * value)); |
||
| 692 | 10740 | nacho | break;
|
| 693 | } |
||
| 694 | 16590 | nbrodin | } catch (RasterBufferInvalidException e) {
|
| 695 | 21459 | nbrodin | throw new GridException("Buffer de datos no v?lido", e); |
| 696 | 16590 | nbrodin | } catch (OutOfGridException e1) {
|
| 697 | 21459 | nbrodin | throw new GridException("Acceso fuera de los l?mites del Grid", e1); |
| 698 | 16590 | nbrodin | } catch (RasterBufferInvalidAccessException e) {
|
| 699 | 21459 | nbrodin | throw new GridException("Acceso al grid no v?lido", e); |
| 700 | 10740 | nacho | } |
| 701 | //Restauramos el reader que hab?a
|
||
| 702 | switchToInterpolationMethod(interp); |
||
| 703 | } |
||
| 704 | 12166 | bsanchez | |
| 705 | 10740 | nacho | /*
|
| 706 | * (non-Javadoc)
|
||
| 707 | * @see org.gvsig.fmap.grid.IWritableGrid#setNoDataValue(double)
|
||
| 708 | */
|
||
| 709 | public void setNoDataValue(double dNoDataValue){ |
||
| 710 | writer.setNoDataValue((float) dNoDataValue);
|
||
| 711 | } |
||
| 712 | 12166 | bsanchez | |
| 713 | 10740 | nacho | /*
|
| 714 | * (non-Javadoc)
|
||
| 715 | * @see org.gvsig.fmap.grid.IWritableGrid#setNoData(int, int)
|
||
| 716 | */
|
||
| 717 | public void setNoData(int x, int y){ |
||
| 718 | writer.setNoData(x,y); |
||
| 719 | } |
||
| 720 | 12166 | bsanchez | |
| 721 | public void ExportToArcViewASCIIFile(String sFilename){ |
||
| 722 | 10740 | nacho | try {
|
| 723 | writer.ExportToArcViewASCIIFile(sFilename); |
||
| 724 | } catch (NumberFormatException e) { |
||
| 725 | e.printStackTrace(); |
||
| 726 | } catch (IOException e) { |
||
| 727 | e.printStackTrace(); |
||
| 728 | } |
||
| 729 | } |
||
| 730 | 12166 | bsanchez | |
| 731 | 10740 | nacho | //************* Query Services *********************
|
| 732 | 12166 | bsanchez | |
| 733 | 10740 | nacho | /*
|
| 734 | * (non-Javadoc)
|
||
| 735 | * @see org.gvsig.fmap.grid.IQueryableGrid#isNoDataValue(double)
|
||
| 736 | */
|
||
| 737 | public boolean isNoDataValue(double noDataValue){ |
||
| 738 | return (reader.getNoDataValue() == noDataValue);
|
||
| 739 | } |
||
| 740 | 12166 | bsanchez | |
| 741 | 10740 | nacho | /*
|
| 742 | * (non-Javadoc)
|
||
| 743 | * @see org.gvsig.fmap.grid.IQueryableGrid#isInGrid(int, int)
|
||
| 744 | */
|
||
| 745 | public boolean isInGrid(int x, int y){ |
||
| 746 | return reader.isCellInGrid(x, y);
|
||
| 747 | } |
||
| 748 | 12166 | bsanchez | |
| 749 | 10740 | nacho | /*
|
| 750 | * (non-Javadoc)
|
||
| 751 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellSize()
|
||
| 752 | */
|
||
| 753 | public double getCellSize() { |
||
| 754 | return reader.getCellSize();
|
||
| 755 | } |
||
| 756 | 12166 | bsanchez | |
| 757 | 10740 | nacho | /*
|
| 758 | * (non-Javadoc)
|
||
| 759 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellValueAsByte(int, int)
|
||
| 760 | */
|
||
| 761 | 16590 | nbrodin | public byte getCellValueAsByte(int x, int y)throws GridException { |
| 762 | try {
|
||
| 763 | return reader.getCellValueAsByte(x, y);
|
||
| 764 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 765 | throw new GridException("Position: (" + x + "," + y + ") not valid"); |
||
| 766 | } catch (RasterBufferInvalidException e) {
|
||
| 767 | throw new GridException("Buffer not valid"); |
||
| 768 | } |
||
| 769 | 10740 | nacho | } |
| 770 | 12166 | bsanchez | |
| 771 | 10740 | nacho | /*
|
| 772 | * (non-Javadoc)
|
||
| 773 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellValueAsShort(int, int)
|
||
| 774 | */
|
||
| 775 | 16590 | nbrodin | public short getCellValueAsShort(int x, int y)throws GridException { |
| 776 | try {
|
||
| 777 | 30008 | nbrodin | return reader.getCellValueAsShort(x, y);
|
| 778 | 16590 | nbrodin | } catch (RasterBufferInvalidAccessException e) {
|
| 779 | throw new GridException("Position: (" + x + "," + y + ") not valid"); |
||
| 780 | } catch (RasterBufferInvalidException e) {
|
||
| 781 | throw new GridException("Buffer not valid"); |
||
| 782 | } |
||
| 783 | 10740 | nacho | } |
| 784 | 12166 | bsanchez | |
| 785 | 10740 | nacho | /*
|
| 786 | * (non-Javadoc)
|
||
| 787 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellValueAsInt(int, int)
|
||
| 788 | */
|
||
| 789 | 16590 | nbrodin | public int getCellValueAsInt(int x, int y)throws GridException { |
| 790 | try {
|
||
| 791 | 30008 | nbrodin | return reader.getCellValueAsInt(x, y);
|
| 792 | 16590 | nbrodin | } catch (RasterBufferInvalidAccessException e) {
|
| 793 | throw new GridException("Position: (" + x + "," + y + ") not valid"); |
||
| 794 | } catch (RasterBufferInvalidException e) {
|
||
| 795 | throw new GridException("Buffer not valid"); |
||
| 796 | } |
||
| 797 | 10740 | nacho | } |
| 798 | |||
| 799 | /*
|
||
| 800 | * (non-Javadoc)
|
||
| 801 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellValueAsFloat(int, int)
|
||
| 802 | */
|
||
| 803 | 16590 | nbrodin | public float getCellValueAsFloat(int x, int y)throws GridException { |
| 804 | try {
|
||
| 805 | return reader.getCellValueAsFloat(x, y);
|
||
| 806 | } catch (RasterBufferInvalidAccessException e) {
|
||
| 807 | throw new GridException("Position: (" + x + "," + y + ") not valid"); |
||
| 808 | } catch (RasterBufferInvalidException e) {
|
||
| 809 | throw new GridException("Buffer not valid"); |
||
| 810 | } |
||
| 811 | 10740 | nacho | } |
| 812 | 12166 | bsanchez | |
| 813 | 10740 | nacho | /*
|
| 814 | * (non-Javadoc)
|
||
| 815 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellValueAsDouble(int, int)
|
||
| 816 | */
|
||
| 817 | 16590 | nbrodin | public double getCellValueAsDouble(int x, int y)throws GridException { |
| 818 | try {
|
||
| 819 | 30008 | nbrodin | return reader.getCellValueAsDouble(x, y);
|
| 820 | 16590 | nbrodin | } catch (RasterBufferInvalidAccessException e) {
|
| 821 | throw new GridException("Position: (" + x + "," + y + ") not valid"); |
||
| 822 | } catch (RasterBufferInvalidException e) {
|
||
| 823 | throw new GridException("Buffer not valid"); |
||
| 824 | } |
||
| 825 | 10740 | nacho | } |
| 826 | 30008 | nbrodin | |
| 827 | 22235 | nbrodin | /*
|
| 828 | * (non-Javadoc)
|
||
| 829 | * @see org.gvsig.fmap.grid.IQueryableGrid#getCellValueAsDouble(int, int)
|
||
| 830 | */
|
||
| 831 | public double getCellValue(int x, int y)throws GridException { |
||
| 832 | try {
|
||
| 833 | 30008 | nbrodin | return reader.getCellValue(x, y);
|
| 834 | 22235 | nbrodin | } catch (RasterBufferInvalidAccessException e) {
|
| 835 | throw new GridException("Position: (" + x + "," + y + ") not valid"); |
||
| 836 | } catch (RasterBufferInvalidException e) {
|
||
| 837 | throw new GridException("Buffer not valid"); |
||
| 838 | } |
||
| 839 | } |
||
| 840 | 12166 | bsanchez | |
| 841 | 10740 | nacho | /*
|
| 842 | * (non-Javadoc)
|
||
| 843 | * @see org.gvsig.fmap.grid.IQueryableGrid#getNoDataValue()
|
||
| 844 | */
|
||
| 845 | 16590 | nbrodin | public double getNoDataValue() { |
| 846 | 30008 | nbrodin | return rasterBuf.getNoDataValue();
|
| 847 | 10740 | nacho | } |
| 848 | 12166 | bsanchez | |
| 849 | 10740 | nacho | /*
|
| 850 | * (non-Javadoc)
|
||
| 851 | * @see org.gvsig.fmap.grid.IQueryableGrid#getMinValue()
|
||
| 852 | */
|
||
| 853 | 16590 | nbrodin | public double getMinValue() throws GridException { |
| 854 | 10740 | nacho | if (!statistic.isStatisticsCalculated())
|
| 855 | 16590 | nbrodin | statistic.calculateStatistics(); |
| 856 | 10740 | nacho | return statistic.getMin();
|
| 857 | } |
||
| 858 | 12166 | bsanchez | |
| 859 | 10740 | nacho | /*
|
| 860 | * (non-Javadoc)
|
||
| 861 | * @see org.gvsig.fmap.grid.IQueryableGrid#getMaxValue()
|
||
| 862 | */
|
||
| 863 | 16590 | nbrodin | public double getMaxValue() throws GridException { |
| 864 | 10740 | nacho | if (!statistic.isStatisticsCalculated())
|
| 865 | 16590 | nbrodin | statistic.calculateStatistics(); |
| 866 | 11837 | nacho | return statistic.getMax();
|
| 867 | 10740 | nacho | } |
| 868 | 12166 | bsanchez | |
| 869 | 10740 | nacho | /*
|
| 870 | * (non-Javadoc)
|
||
| 871 | * @see org.gvsig.fmap.grid.IQueryableGrid#getMeanValue()
|
||
| 872 | */
|
||
| 873 | 16590 | nbrodin | public double getMeanValue() throws GridException { |
| 874 | 10740 | nacho | if (!statistic.isStatisticsCalculated())
|
| 875 | 16590 | nbrodin | statistic.calculateStatistics(); |
| 876 | 11837 | nacho | return statistic.getMean();
|
| 877 | 10740 | nacho | } |
| 878 | 12166 | bsanchez | |
| 879 | 10740 | nacho | /*
|
| 880 | * (non-Javadoc)
|
||
| 881 | * @see org.gvsig.fmap.grid.IQueryableGrid#getVariance()
|
||
| 882 | */
|
||
| 883 | 16590 | nbrodin | public double getVariance() throws GridException { |
| 884 | 10740 | nacho | if (!statistic.isStatisticsCalculated())
|
| 885 | 16590 | nbrodin | statistic.calculateStatistics(); |
| 886 | 10740 | nacho | return statistic.getVariance();
|
| 887 | } |
||
| 888 | 12166 | bsanchez | |
| 889 | 10740 | nacho | /*
|
| 890 | * (non-Javadoc)
|
||
| 891 | * @see org.gvsig.fmap.grid.IQueryableGrid#setInterpolationMethod(int)
|
||
| 892 | */
|
||
| 893 | public void setInterpolationMethod(int iMethod){ |
||
| 894 | if (reader instanceof GridInterpolated) |
||
| 895 | ((GridInterpolated) reader).setInterpolationMethod(iMethod); |
||
| 896 | else{
|
||
| 897 | this.switchToInterpolationMethod(true); |
||
| 898 | ((GridInterpolated) reader).setInterpolationMethod(iMethod); |
||
| 899 | } |
||
| 900 | } |
||
| 901 | 12166 | bsanchez | |
| 902 | 10740 | nacho | /*
|
| 903 | * (non-Javadoc)
|
||
| 904 | * @see org.gvsig.fmap.grid.IQueryableGrid#getNX()
|
||
| 905 | */
|
||
| 906 | public int getNX(){ |
||
| 907 | return reader.getNX();
|
||
| 908 | } |
||
| 909 | 12166 | bsanchez | |
| 910 | 10740 | nacho | /*
|
| 911 | * (non-Javadoc)
|
||
| 912 | * @see org.gvsig.fmap.grid.IQueryableGrid#getNY()
|
||
| 913 | */
|
||
| 914 | public int getNY(){ |
||
| 915 | return reader.getNY();
|
||
| 916 | } |
||
| 917 | 12166 | bsanchez | |
| 918 | 10740 | nacho | /*
|
| 919 | * (non-Javadoc)
|
||
| 920 | * @see org.gvsig.fmap.grid.IQueryableGrid#getLayerNX()
|
||
| 921 | */
|
||
| 922 | public int getLayerNX(){ |
||
| 923 | return layerExtent.getNX();
|
||
| 924 | } |
||
| 925 | 12166 | bsanchez | |
| 926 | 10740 | nacho | /*
|
| 927 | * (non-Javadoc)
|
||
| 928 | * @see org.gvsig.fmap.grid.IQueryableGrid#getLayerNY()
|
||
| 929 | */
|
||
| 930 | public int getLayerNY(){ |
||
| 931 | return layerExtent.getNY();
|
||
| 932 | } |
||
| 933 | 12166 | bsanchez | |
| 934 | 10740 | nacho | public int getDataType(){ |
| 935 | return dataType;
|
||
| 936 | } |
||
| 937 | 12166 | bsanchez | |
| 938 | 18651 | nbrodin | private boolean getSubMatrix3x3(int x, int y, double subMatrix[]) |
| 939 | 16590 | nbrodin | throws GridException {
|
| 940 | 10740 | nacho | int i;
|
| 941 | int iDir;
|
||
| 942 | double z, z2;
|
||
| 943 | |||
| 944 | z = getCellValueAsDouble(x, y); |
||
| 945 | |||
| 946 | 30008 | nbrodin | if(isNoDataValue(z))
|
| 947 | 10740 | nacho | return false; |
| 948 | 30008 | nbrodin | else {
|
| 949 | 10740 | nacho | //SubMatrix[4] = 0.0;
|
| 950 | 18651 | nbrodin | for(i = 0; i < 4; i++) { |
| 951 | 10740 | nacho | iDir = 2 * i;
|
| 952 | z2 = getCellValueAsDouble(x + m_iOffsetX[iDir], y + m_iOffsetY[iDir]); |
||
| 953 | 30008 | nbrodin | if( !isNoDataValue(z2))
|
| 954 | 18651 | nbrodin | subMatrix[i] = z2 - z; |
| 955 | 30008 | nbrodin | else {
|
| 956 | 10740 | nacho | z2 = getCellValueAsDouble(x + m_iOffsetX[(iDir + 4) % 8], y + m_iOffsetY[(iDir + 4) % 8]); |
| 957 | 30008 | nbrodin | if( !isNoDataValue(z2))
|
| 958 | 18651 | nbrodin | subMatrix[i] = z - z2; |
| 959 | 30008 | nbrodin | else
|
| 960 | 18651 | nbrodin | subMatrix[i] = 0.0;
|
| 961 | 10740 | nacho | } |
| 962 | } |
||
| 963 | |||
| 964 | return true; |
||
| 965 | } |
||
| 966 | } |
||
| 967 | 12166 | bsanchez | |
| 968 | 18651 | nbrodin | /*
|
| 969 | * (non-Javadoc)
|
||
| 970 | * @see org.gvsig.raster.grid.IQueryableGrid#getSlope(int, int)
|
||
| 971 | */
|
||
| 972 | 16590 | nbrodin | public double getSlope(int x, int y)throws GridException { |
| 973 | 10740 | nacho | double zm[], G, H; |
| 974 | |||
| 975 | zm = new double[4]; |
||
| 976 | 12166 | bsanchez | |
| 977 | 16590 | nbrodin | try {
|
| 978 | 18651 | nbrodin | if( getSubMatrix3x3(x, y, zm) ) {
|
| 979 | G = (zm[0] - zm[2]) / _2DX; |
||
| 980 | H = (zm[1] - zm[3]) / _2DX; |
||
| 981 | return Math.atan(Math.sqrt(G * G + H * H)); |
||
| 982 | 30008 | nbrodin | } else
|
| 983 | 16590 | nbrodin | return rasterBuf.getNoDataValue();
|
| 984 | } catch (GridException e) {
|
||
| 985 | throw new GridException("Problems accesing 3x3 submatrix"); |
||
| 986 | 10740 | nacho | } |
| 987 | } |
||
| 988 | 12166 | bsanchez | |
| 989 | 18651 | nbrodin | /*
|
| 990 | * (non-Javadoc)
|
||
| 991 | * @see org.gvsig.raster.grid.IQueryableGrid#getAspect(int, int)
|
||
| 992 | */
|
||
| 993 | 16590 | nbrodin | public double getAspect(int x, int y)throws GridException { |
| 994 | 10740 | nacho | double zm[], G, H, dAspect; |
| 995 | zm = new double[4]; |
||
| 996 | 12166 | bsanchez | |
| 997 | 16590 | nbrodin | try {
|
| 998 | 18651 | nbrodin | if( getSubMatrix3x3(x, y, zm) ) {
|
| 999 | G = (zm[0] - zm[2]) / _2DX; |
||
| 1000 | H = (zm[1] - zm[3]) / _2DX; |
||
| 1001 | if(G != 0.0) |
||
| 1002 | 16590 | nbrodin | dAspect = DEG_180_IN_RAD + Math.atan2(H, G);
|
| 1003 | else
|
||
| 1004 | dAspect = H > 0.0 ? DEG_270_IN_RAD : (H < 0.0 ? DEG_90_IN_RAD : -1.0); |
||
| 1005 | return dAspect;
|
||
| 1006 | } |
||
| 1007 | 10740 | nacho | else
|
| 1008 | 16590 | nbrodin | return rasterBuf.getNoDataValue();
|
| 1009 | } catch (GridException e) {
|
||
| 1010 | throw new GridException("Problems accesing 3x3 submatrix"); |
||
| 1011 | 10740 | nacho | } |
| 1012 | } |
||
| 1013 | 12166 | bsanchez | |
| 1014 | 10740 | nacho | public static int getXOffsetInDir(int iDir){ |
| 1015 | return m_iOffsetX[iDir];
|
||
| 1016 | } |
||
| 1017 | 12166 | bsanchez | |
| 1018 | 10740 | nacho | public static int getYOffsetInDir(int iDir){ |
| 1019 | return m_iOffsetY[iDir];
|
||
| 1020 | } |
||
| 1021 | 12166 | bsanchez | |
| 1022 | 10740 | nacho | public double getDistToNeighborInDir(int iDir){ |
| 1023 | return m_dDist[iDir];
|
||
| 1024 | } |
||
| 1025 | 12166 | bsanchez | |
| 1026 | 10740 | nacho | public static double getUnitDistToNeighborInDir(int iDir){ |
| 1027 | return( (iDir % 2 != 0) ? Math.sqrt(2.0) : 1.0 ); |
||
| 1028 | } |
||
| 1029 | 12166 | bsanchez | |
| 1030 | 10740 | nacho | /*
|
| 1031 | * (non-Javadoc)
|
||
| 1032 | * @see org.gvsig.fmap.grid.IQueryableGrid#getDirToNextDownslopeCell(int, int)
|
||
| 1033 | */
|
||
| 1034 | 16590 | nbrodin | public int getDirToNextDownslopeCell(int x, int y)throws GridException{ |
| 1035 | 10740 | nacho | return getDirToNextDownslopeCell(x, y, true); |
| 1036 | } |
||
| 1037 | 12166 | bsanchez | |
| 1038 | 10740 | nacho | /*
|
| 1039 | * (non-Javadoc)
|
||
| 1040 | * @see org.gvsig.fmap.grid.IQueryableGrid#getDirToNextDownslopeCell(int, int, boolean)
|
||
| 1041 | */
|
||
| 1042 | public int getDirToNextDownslopeCell(int x, int y, boolean bForceDirToNoDataCell) |
||
| 1043 | 16590 | nbrodin | throws GridException{
|
| 1044 | 12166 | bsanchez | |
| 1045 | 10740 | nacho | int i, iDir;
|
| 1046 | double z, z2, dSlope, dMaxSlope;
|
||
| 1047 | |||
| 1048 | z = getCellValueAsDouble(x, y); |
||
| 1049 | |||
| 1050 | 30008 | nbrodin | if(isNoDataValue(z))
|
| 1051 | 10740 | nacho | return -1; |
| 1052 | |||
| 1053 | dMaxSlope = 0.0;
|
||
| 1054 | 16590 | nbrodin | for(iDir=-1, i=0; i<8; i++) { |
| 1055 | 10740 | nacho | z2 = getCellValueAsDouble(x + m_iOffsetX[i], y + m_iOffsetY[i]); |
| 1056 | 16590 | nbrodin | if(isNoDataValue(z2)) {
|
| 1057 | 30008 | nbrodin | if (bForceDirToNoDataCell)
|
| 1058 | 10740 | nacho | return i;
|
| 1059 | 30008 | nbrodin | else
|
| 1060 | 10740 | nacho | return -1; |
| 1061 | } |
||
| 1062 | 16590 | nbrodin | else {
|
| 1063 | 10740 | nacho | dSlope = (z - z2) / getDistToNeighborInDir(i); |
| 1064 | 16590 | nbrodin | if( dSlope > dMaxSlope ) {
|
| 1065 | 10740 | nacho | iDir = i; |
| 1066 | dMaxSlope = dSlope; |
||
| 1067 | } |
||
| 1068 | } |
||
| 1069 | } |
||
| 1070 | return iDir;
|
||
| 1071 | } |
||
| 1072 | 12166 | bsanchez | |
| 1073 | 16590 | nbrodin | public GridCell[] getSortedArrayOfCells()throws GridException{ |
| 1074 | 10740 | nacho | int i;
|
| 1075 | int iX,iY;
|
||
| 1076 | int iNX = getNX();
|
||
| 1077 | int iCells = getNX() * getNY();
|
||
| 1078 | GridCell [] cells = null; |
||
| 1079 | GridCell cell = null;
|
||
| 1080 | 12166 | bsanchez | |
| 1081 | 10740 | nacho | cells = new GridCell[iCells];
|
| 1082 | 12166 | bsanchez | |
| 1083 | 16590 | nbrodin | for (i = 0; i < iCells; i++) { |
| 1084 | 10740 | nacho | iX = i % iNX; |
| 1085 | iY = i / iNX; |
||
| 1086 | switch(getDataType()){
|
||
| 1087 | case IBuffer.TYPE_BYTE: cell = new GridCell(iX, iY, getCellValueAsByte(iX, iY)); break; |
||
| 1088 | case IBuffer.TYPE_SHORT: cell = new GridCell(iX, iY, getCellValueAsShort(iX, iY)); break; |
||
| 1089 | case IBuffer.TYPE_INT: cell = new GridCell(iX, iY, getCellValueAsInt(iX, iY)); break; |
||
| 1090 | case IBuffer.TYPE_FLOAT: cell = new GridCell(iX, iY, getCellValueAsFloat(iX, iY)); break; |
||
| 1091 | case IBuffer.TYPE_DOUBLE: cell = new GridCell(iX, iY, getCellValueAsDouble(iX, iY)); break; |
||
| 1092 | } |
||
| 1093 | 12166 | bsanchez | |
| 1094 | 10740 | nacho | cells[i] = cell; |
| 1095 | } |
||
| 1096 | |||
| 1097 | Arrays.sort(cells);
|
||
| 1098 | 12166 | bsanchez | |
| 1099 | 10740 | nacho | return cells;
|
| 1100 | } |
||
| 1101 | |||
| 1102 | /**
|
||
| 1103 | * Obtiene la paleta para el caso de un MDT. Esta funci?n evita el tener que obtener
|
||
| 1104 | * un array de paletas y buscar en el cuando se trata de un caso simple de MDT de una
|
||
| 1105 | * sola banda. Comprueba que se trata de un raster monobanda con paleta asociada antes
|
||
| 1106 | * de devolverla.
|
||
| 1107 | * @return GridPalette asociada al Grid
|
||
| 1108 | */
|
||
| 1109 | 16590 | nbrodin | public GridPalette getMDTPalette() {
|
| 1110 | 12166 | bsanchez | if( rasterBuf != null && |
| 1111 | 10740 | nacho | rasterBuf.getBandCount() == 1 &&
|
| 1112 | palette != null)
|
||
| 1113 | return palette[0]; |
||
| 1114 | return null; |
||
| 1115 | } |
||
| 1116 | 12166 | bsanchez | |
| 1117 | 10740 | nacho | /**
|
| 1118 | * Obtiene la lista de paletas asociadas al grid
|
||
| 1119 | * @return Lista de objetos GridPalette
|
||
| 1120 | */
|
||
| 1121 | public GridPalette[] getPalettes() { |
||
| 1122 | return palette;
|
||
| 1123 | } |
||
| 1124 | |||
| 1125 | /**
|
||
| 1126 | 12166 | bsanchez | * Obtiene el n?mero de bandas del grid o 0 si no tiene buffer de
|
| 1127 | 11961 | nacho | * datos asociado.
|
| 1128 | * @return N?mero de bandas
|
||
| 1129 | */
|
||
| 1130 | public int getBandCount() { |
||
| 1131 | if(rasterBuf != null) |
||
| 1132 | return rasterBuf.getBandCount();
|
||
| 1133 | return 0; |
||
| 1134 | } |
||
| 1135 | 12166 | bsanchez | |
| 1136 | 11961 | nacho | /**
|
| 1137 | 10740 | nacho | * Asigna la lista de paletas asociadas al grid
|
| 1138 | * @param palette Lista de objetos GridPalette
|
||
| 1139 | */
|
||
| 1140 | public void setPalettes(GridPalette[] palette) { |
||
| 1141 | this.palette = palette;
|
||
| 1142 | } |
||
| 1143 | 12166 | bsanchez | |
| 1144 | 10740 | nacho | /**
|
| 1145 | * Obtiene la lista de filtros.
|
||
| 1146 | * @return Lista de filtros.
|
||
| 1147 | */
|
||
| 1148 | public RasterFilterList getFilterList(){
|
||
| 1149 | return filterList;
|
||
| 1150 | } |
||
| 1151 | 12166 | bsanchez | |
| 1152 | 10740 | nacho | /**
|
| 1153 | 12166 | bsanchez | * Asigna la lista de filtros
|
| 1154 | 10740 | nacho | * @param filterList
|
| 1155 | */
|
||
| 1156 | 16590 | nbrodin | public void setFilterList(RasterFilterList filterList) { |
| 1157 | 10740 | nacho | this.filterList = filterList;
|
| 1158 | } |
||
| 1159 | 12166 | bsanchez | |
| 1160 | 10740 | nacho | /**
|
| 1161 | *Aplica la lista de filtros sobre el buffer
|
||
| 1162 | 12325 | bsanchez | * @throws InterruptedException
|
| 1163 | 10740 | nacho | */
|
| 1164 | 13409 | nacho | public void applyFilters() throws InterruptedException { |
| 1165 | 12180 | bsanchez | if (filterList == null) |
| 1166 | 10740 | nacho | return;
|
| 1167 | 12180 | bsanchez | |
| 1168 | 10740 | nacho | filterList.setInitRasterBuf(rasterBuf); |
| 1169 | 30008 | nbrodin | |
| 1170 | 18358 | bsanchez | filterList.getEnv().put("GridExtent", getGridExtent());
|
| 1171 | filterList.getEnv().put("WindowExtent", getWindowExtent());
|
||
| 1172 | 30008 | nbrodin | |
| 1173 | 10740 | nacho | filterList.execute(); |
| 1174 | 12180 | bsanchez | rasterBuf = (RasterBuffer) filterList.getResult(); |
| 1175 | 10740 | nacho | dataType = rasterBuf.getDataType(); |
| 1176 | } |
||
| 1177 | 12166 | bsanchez | |
| 1178 | 10740 | nacho | /**
|
| 1179 | * Obtiene el buffer de datos del grid
|
||
| 1180 | * @return RasterBuf
|
||
| 1181 | */
|
||
| 1182 | public IBuffer getRasterBuf() {
|
||
| 1183 | return rasterBuf;
|
||
| 1184 | } |
||
| 1185 | 12166 | bsanchez | |
| 1186 | 10740 | nacho | /**
|
| 1187 | * Asigna la banda sobre la que se realizan las operaciones. Por defecto es la banda 0
|
||
| 1188 | * con lo que para el uso de MDTs no habr? que modificar este valor.
|
||
| 1189 | * @param band Banda sobre la que se realizan las operaciones.
|
||
| 1190 | */
|
||
| 1191 | 16590 | nbrodin | public void setBandToOperate(int band) { |
| 1192 | 10740 | nacho | if(writer != null) |
| 1193 | writer.setBandToOperate(band); |
||
| 1194 | if(reader != null) |
||
| 1195 | reader.setBandToOperate(band); |
||
| 1196 | 11961 | nacho | if(statistic != null) |
| 1197 | statistic.setBandToOperate(band); |
||
| 1198 | 10740 | nacho | } |
| 1199 | 12166 | bsanchez | |
| 1200 | 10740 | nacho | /**
|
| 1201 | * Obtiene el extent de la ventana seleccionada para petici?n de datos
|
||
| 1202 | * @return GridExtent
|
||
| 1203 | */
|
||
| 1204 | 16590 | nbrodin | public GridExtent getWindowExtent() {
|
| 1205 | 10740 | nacho | return windowExtent;
|
| 1206 | } |
||
| 1207 | 12166 | bsanchez | |
| 1208 | 10740 | nacho | /**
|
| 1209 | * Obtiene el extent del grid para petici?n de datos
|
||
| 1210 | * @return GridExtent
|
||
| 1211 | */
|
||
| 1212 | 16590 | nbrodin | public GridExtent getGridExtent() {
|
| 1213 | 10740 | nacho | return layerExtent;
|
| 1214 | } |
||
| 1215 | 30008 | nbrodin | |
| 1216 | /**
|
||
| 1217 | * Releases buffer resources
|
||
| 1218 | */
|
||
| 1219 | public void free() { |
||
| 1220 | if (rasterBuf != null) |
||
| 1221 | rasterBuf.free(); |
||
| 1222 | if (filterList != null) |
||
| 1223 | filterList.free(); |
||
| 1224 | if (writer != null) |
||
| 1225 | writer.free(); |
||
| 1226 | } |
||
| 1227 | 10740 | nacho | } |