gvsig-geoprocess / org.gvsig.geoprocess / branches / refactor-2018 / org.gvsig.geoprocess / org.gvsig.geoprocess.lib / org.gvsig.geoprocess.lib.sextante / src / main / java / org / gvsig / geoprocess / lib / sextante / dataObjects / FLyrRasterIRasterLayer.java @ 1058
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2012 gvSIG Association.
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.geoprocess.lib.sextante.dataObjects; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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import es.unex.sextante.core.AnalysisExtent; |
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import es.unex.sextante.core.Sextante; |
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import es.unex.sextante.dataObjects.AbstractRasterLayer; |
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import es.unex.sextante.outputs.IOutputChannel; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.raster.api.BandDescriptor; |
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import org.gvsig.fmap.dal.raster.api.NewRasterStoreParameters; |
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import org.gvsig.fmap.dal.raster.api.RasterQuery; |
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import org.gvsig.fmap.dal.raster.api.RasterStore; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.raster.api.RasterLayer; |
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import org.gvsig.fmap.mapcontext.raster.impl.DefaultRasterLayer; |
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import org.gvsig.raster.lib.buffer.api.Buffer; |
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import org.gvsig.raster.lib.buffer.api.BufferManager; |
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import org.gvsig.raster.lib.buffer.api.NoData; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.locator.LocatorException; |
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/**
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* A wrapper for a gvSIG Raster layer. Allows only reading, but not writing to
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* it
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class FLyrRasterIRasterLayer extends AbstractRasterLayer { |
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private RasterLayer lyr = null; |
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private Buffer m_Buffer = null; |
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private int xTranslate = 0; |
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private int yTranslate = 0; |
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private AnalysisExtent layerExtent = null; |
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private String fName = null; |
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public FLyrRasterIRasterLayer() {
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} |
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public FLyrRasterIRasterLayer(String fName) { |
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this.fName = fName;
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} |
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public void create(final RasterLayer lyr) { |
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this.lyr = lyr;
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} |
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private RasterStore getDataStore() {
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return lyr == null ? null : lyr.getRasterStore(); |
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} |
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@Override
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public int getDataType() { |
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return getDataStore().getBandDescriptor(0).getDataType(); |
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} |
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@Override
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public void setCellValue(final int x, final int y, final int iBand, |
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final double dValue) { |
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} |
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@Override
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public void setNoDataValue(final double dNoDataValue) { |
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//TODO aplicar a todas las bandas
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getDataStore().getBandDescriptor(0).getNoData().setValue(dNoDataValue);
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} |
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@Override
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public void setNoData(final int x, final int y) { |
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} |
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public double getNoDataValue(final int iBand) { |
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NoData noData = getDataStore().getBandDescriptor(0).getNoData();
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if(noData!=null && noData.getValue() != null) |
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return noData.getValue().doubleValue();
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return -99999.0; |
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} |
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@Override
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public double getNoDataValue() { |
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return getNoDataValue(0); |
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} |
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@Override
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public double getCellValueInLayerCoords(final int x, final int y, |
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final int iBand) { |
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int newx = x - xTranslate;
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int newy = y - yTranslate;
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if(m_Buffer == null) |
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open(); |
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if (m_Buffer.isInside(newx, newy)) {
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switch (getDataStore().getBandDescriptor(iBand).getDataType()) {
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case BufferManager.TYPE_BYTE:
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return (m_Buffer.getBandByte(iBand).getValue(newy, newx) & 0xff); |
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case BufferManager.TYPE_SHORT:
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return m_Buffer.getBandShort(iBand).getValue(newy, newx);
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case BufferManager.TYPE_INT:
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return m_Buffer.getBandInt(iBand).getValue(newy, newx);
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case BufferManager.TYPE_FLOAT:
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return m_Buffer.getBandFloat(iBand).getValue(newy, newx);
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case BufferManager.TYPE_DOUBLE:
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default:
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return m_Buffer.getBandDouble(iBand).getValue(newy, newx);
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} |
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} else {
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return getNoDataValue();
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} |
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} |
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@Override
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public int getBandsCount() { |
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return getDataStore().getBands();
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} |
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@Override
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public String getName() { |
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if(lyr != null) { |
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return lyr.getName();
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} |
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if(getDataStore() != null) { |
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String uri = getDataStore().getName();
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if(uri.contains(File.separator)) { |
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int index = uri.lastIndexOf(File.separator); |
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return uri.substring(index + 1); |
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} |
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return uri;
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} |
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return null; |
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} |
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@Override
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public void postProcess() { |
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} |
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@Override
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public void open() { |
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if(getDataStore() == null) |
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try {
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setBaseDataObject(fName); |
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} catch (LoadLayerException e) {
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Sextante.addErrorToLog(e); |
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} catch (ValidateDataParametersException e) {
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Sextante.addErrorToLog(e); |
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} |
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RasterQuery query = getDataStore().createRasterQuery(); |
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try {
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m_Buffer = getDataStore().getRasterSet(query); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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} |
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} |
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@Override
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public void close() { |
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if(m_Buffer != null) |
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m_Buffer.dispose(); |
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} |
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@Override
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public Rectangle2D getFullExtent() { |
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try {
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return getDataStore().getEnvelope().getGeometry().getBounds().getBounds2D();
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} catch (LocatorException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} catch (CreateEnvelopeException e) {
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Sextante.addErrorToLog(e); |
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return null; |
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} |
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} |
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@Override
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public AnalysisExtent getLayerGridExtent() {
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if(layerExtent == null) { |
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try {
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layerExtent = new AnalysisExtent();
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layerExtent.setCellSize(getLayerCellSize()); |
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Envelope bbox = getDataStore().getEnvelope(); |
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layerExtent.setXRange(bbox.getLowerCorner().getX(), bbox.getUpperCorner().getX(), true);
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layerExtent.setYRange(bbox.getLowerCorner().getY(), bbox.getUpperCorner().getY(), true);
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} catch (final DataException e) { |
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Sextante.addErrorToLog(e); |
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} catch (final CreateEnvelopeException e) { |
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Sextante.addErrorToLog(e); |
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layerExtent = new AnalysisExtent();
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} catch (final LocatorException e) { |
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Sextante.addErrorToLog(e); |
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} |
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} |
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return layerExtent;
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} |
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@Override
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public void setWindowExtent(final AnalysisExtent extent) { |
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super.setWindowExtent(extent);
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RasterQuery query = getDataStore().createRasterQuery(); |
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//int[] bands = new int[getDataStore().getBands()];
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//for (int i = 0; i < getDataStore().getBands(); i++) {
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// bands[i] = i;
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// }
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//query.setDrawableBands(bands);
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Envelope ext; |
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try {
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ext = GeometryLocator.getGeometryManager().createEnvelope( |
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extent.getXMin(), |
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extent.getYMin(), |
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extent.getXMax(), |
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extent.getYMax(), |
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2);
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} catch (CreateEnvelopeException e) {
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Sextante.addErrorToLog(e); |
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ext = null;
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} |
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query.setClip(ext); |
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Buffer entireBuf = m_Buffer;
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try {
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m_Buffer = getDataStore().getRasterSet(query); |
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//Calculamos la traslaci?n respecto a la ventana recortada pq Sextante pedir?
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//p?xeles en relaci?n a la imagen completa
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Rectangle2D bbox = getDataStore().getEnvelope().getGeometry().getBounds().getBounds2D();
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double distx = bbox.getMaxX() - extent.getXMax();
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double disty = bbox.getMaxY() - extent.getYMax();
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xTranslate = (int)Math.round((distx * extent.getNX()) / (extent.getXMax() - extent.getXMin())); |
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yTranslate = (int)Math.round((disty * extent.getNY()) / (extent.getYMax() - extent.getYMin())); |
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} catch (final Exception e) { |
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m_Buffer = entireBuf; |
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} |
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} |
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@Override
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public double getLayerCellSize() { |
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try {
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//return getDataStore().getCellSize();
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return getDataStore().getDimensions().getPixelSizeX();
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} catch (InitializeException e) {
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Sextante.addErrorToLog(e); |
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} |
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return 0; |
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} |
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@Override
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public Object getCRS() { |
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try {
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return getDataStore().getRasterSet().getProjection();
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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} |
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return null; |
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} |
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@Override
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public void setName(final String name) { |
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lyr.setName(name); |
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} |
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@Override
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public void free() { |
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DisposeUtils.disposeQuietly(m_Buffer); |
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DisposeUtils.disposeQuietly(lyr); |
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} |
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@Override
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public Object getBaseDataObject() { |
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return lyr;
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} |
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public void setBaseDataObject(RasterLayer lyr) { |
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this.lyr = lyr;
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} |
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public void setBaseDataObject(RasterStore store) throws LoadLayerException { |
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//DefaultRasterLayer newlyr = new DefaultRasterLayer();
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FLayer newlyr = MapContextLocator.getMapContextManager().createLayer(store.getName(), store); |
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// try {
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// newlyr.setDataStore(store);
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// } catch (LoadLayerException e) {
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// Sextante.addErrorToLog(e);
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// return;
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// }
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this.lyr = (RasterLayer) newlyr;
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} |
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public void setBaseDataObject(String fileName) throws LoadLayerException, ValidateDataParametersException { |
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DataManager dataManager = DALLocator.getDataManager(); |
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try {
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NewRasterStoreParameters params; |
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params = (NewRasterStoreParameters)dataManager.createStoreParameters("Gdal Store");
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params.setDynValue("uri",new File(fileName).toURI()); |
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RasterStore dataStore; |
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dataStore = (RasterStore)dataManager.openStore(params.getDataStoreName(), params); |
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setBaseDataObject(dataStore); |
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} catch (InitializeException e) {
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Sextante.addErrorToLog(e); |
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} catch (ProviderNotRegisteredException e) {
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Sextante.addErrorToLog(e); |
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} |
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} |
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@Override
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public IOutputChannel getOutputChannel() {
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return new IOutputChannel() { |
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@Override
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public String getAsCommandLineParameter() { |
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return lyr.getName();
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} |
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}; |
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} |
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} |