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 / RasterDriver.java @ 1059
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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.image.DataBuffer; |
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import java.io.File; |
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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 org.cresques.cts.IProjection; |
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import org.gvsig.andami.Utilities; |
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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.DataServerExplorerParameters; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.raster.api.NewRasterStoreParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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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.raster.lib.buffer.api.Buffer; |
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import org.gvsig.raster.lib.buffer.api.BufferLocator; |
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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.raster.lib.buffer.api.exceptions.BufferException; |
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public class RasterDriver { |
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public static final int RASTER_DATA_TYPE_FLOAT = DataBuffer.TYPE_FLOAT; |
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public static final int RASTER_DATA_TYPE_DOUBLE = DataBuffer.TYPE_DOUBLE; |
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public static final int RASTER_DATA_TYPE_INT = DataBuffer.TYPE_INT; |
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public static final int RASTER_DATA_TYPE_SHORT = DataBuffer.TYPE_SHORT; |
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public static final int RASTER_DATA_TYPE_BYTE = DataBuffer.TYPE_BYTE; |
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private final AnalysisExtent m_GridExtent; |
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private Buffer buf = null; |
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private String name = null; |
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public RasterDriver(final AnalysisExtent ae, final int iDataType, |
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final int iNumBands) { |
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super();
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IProjection projection = null; //TODO check create bufefr without projection |
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int[] listDataType; //TODO check how listDataType is made. |
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listDataType = new int[1]; |
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listDataType[0] = (iDataType);
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//buf = BufferLocator.getBufferManager().createBuffer(ae.getNY(),ae.getNX(), listDataType, projection);
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Envelope enve; |
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try {
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enve = GeometryLocator.getGeometryManager().createEnvelope(ae.getXMin(), ae.getYMin(), ae.getXMax(), ae.getYMax(), 2);
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} catch (CreateEnvelopeException e) {
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Sextante.addErrorToLog(e); |
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enve = null;
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} |
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try {
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buf = BufferLocator.getBufferManager().createBuffer(ae.getNY(), ae.getNX(), listDataType, null, projection, enve);
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} catch (BufferException e) {
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Sextante.addErrorToLog(e); |
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buf = null;
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} |
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m_GridExtent = ae; |
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} |
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public RasterDriver(final AnalysisExtent ae, final int iDataType) throws BufferException { |
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this(ae, iDataType, 1); |
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} |
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public AnalysisExtent getGridExtent() {
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return m_GridExtent;
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} |
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public Buffer getRasterBuf() { |
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return this.buf; |
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} |
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public void reset() { |
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free(); |
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} |
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public void setCellValue(final int x, final int y, final double dValue) { |
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setCellValue(x, y, 0, dValue);
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} |
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public void setNoData(final int x, final int y) { |
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setNoData(x, y, 0);
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} |
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private void setNoData(final int x, final int y, final int iBand) { |
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setCellValue(x, y, iBand, getNoDataValue()); |
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} |
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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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if (isInGrid(x, y) && (iBand < buf.getBandCount())) {
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switch (buf.getBand(iBand).getDataType()) {
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case BufferManager.TYPE_BYTE:
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buf.getBand(iBand).set(y,x, (byte) dValue);
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break;
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case BufferManager.TYPE_SHORT:
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buf.getBand(iBand).set(y, x,(short) dValue);
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break;
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case BufferManager.TYPE_INT:
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buf.getBand(iBand).set(y, x, (int) dValue);
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break;
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case BufferManager.TYPE_FLOAT:
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buf.getBand(iBand).set(y, x,(float) dValue);
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break;
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case BufferManager.TYPE_DOUBLE:
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default:
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buf.getBand(iBand).set(y, x, dValue); |
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break;
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} |
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} |
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} |
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public double getNoDataValue() { |
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NoData nodata; |
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nodata = buf.getBandNoData()[0];
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return nodata != null ? (nodata.getValue() != null ? nodata.getValue() |
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.doubleValue() : 0.0d) : 0.0d; |
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} |
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public void setNoDataValue(final double dNoDataValue) { |
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for (int i = 0; i < buf.getBandCount(); i++) { |
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if (buf.getBand(i).getNoData()== null) { |
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NoData nodata = BufferLocator.getBufferManager().createNoData(dNoDataValue, null);
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buf.getBand(i).getNoData().setValue(nodata.getValue()); |
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} else {
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buf.getBand(i).getNoData().setValue(dNoDataValue); |
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} |
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} |
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} |
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public double getCellValue(final int x, final int y) { |
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return getCellValue(x, y, 0); |
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} |
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public double getCellValue(final int x, final int y, final int iBand) { |
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if (isInGrid(x, y) && (iBand < buf.getBandCount())) {
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switch (buf.getBand(iBand).getDataType()) {
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case BufferManager.TYPE_BYTE:
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return buf.getBandByte(iBand).getValue(y, x);
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case BufferManager.TYPE_SHORT:
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return buf.getBandShort(iBand).getValue(y, x);
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case BufferManager.TYPE_INT:
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return buf.getBandInt(iBand).getValue(y,x);
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case BufferManager.TYPE_FLOAT:
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return buf.getBandFloat(iBand).getValue(y,x);
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case BufferManager.TYPE_DOUBLE:
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return buf.getBandDouble(iBand).getValue(y,x);
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default:
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return getNoDataValue();
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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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public boolean isNoDataValue(final double dNoDataValue) { |
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return (getNoDataValue() == dNoDataValue);
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} |
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public boolean isInGrid(final int x, final int y) { |
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if ((x < 0) || (y < 0)) { |
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return false; |
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} |
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if ((x >= m_GridExtent.getNX()) || (y >= m_GridExtent.getNY())) {
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return false; |
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} |
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return true; |
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} |
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public double getCellSize() { |
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return m_GridExtent.getCellSize();
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} |
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public static String getFilename(String sRoot, final String sExtension) { |
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String sFilename;
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int i = 1; |
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sRoot = sRoot.toLowerCase(); |
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sRoot = sRoot.replaceAll(" ", "_"); |
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sRoot = sRoot.replaceAll("\\)", ""); |
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sRoot = sRoot.replaceAll("\\(", "_"); |
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sRoot = sRoot.replaceAll("\\[", "_"); |
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sRoot = sRoot.replaceAll("\\]", ""); |
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sRoot = sRoot.replaceAll("<", "_"); |
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sRoot = sRoot.replaceAll(">", "_"); |
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sRoot = sRoot.replaceAll("__", "_"); |
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while (true) { |
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sFilename = |
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Utilities.createTempDirectory() + File.separator + sRoot |
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+ Integer.toString(i) + "." + sExtension; |
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final File file = new File(sFilename); |
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if (file.exists()) {
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i++; |
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} else {
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return sFilename;
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} |
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} |
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} |
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public boolean export(final String sFilename, final IProjection projection) { |
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try {
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final DataManager dm = DALLocator.getDataManager();
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DataServerExplorerParameters serverParameters = dm.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
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FilesystemServerExplorer server = (FilesystemServerExplorer) dm.openServerExplorer(FilesystemServerExplorer.NAME, serverParameters); |
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File file = new File(sFilename); |
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NewRasterStoreParameters parameters = (NewRasterStoreParameters) server.getAddParameters(file); |
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parameters.setDynValue(DataStore.METADATA_CRS, projection); |
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parameters.setBuffer(buf); |
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server.add(parameters.getDataStoreName(), parameters, true);
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return true; |
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} catch (Exception e) { |
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Sextante.addErrorToLog(e); |
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} |
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return false; |
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} |
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public void setName(final String name) { |
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this.name = name;
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} |
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public String getName() { |
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return this.name; |
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} |
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public void free() { |
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if(buf != null) { |
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buf.dispose(); |
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buf = null;
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} |
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} |
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} |