svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.bsq / src / main / java / org / gvsig / fmap / dal / file / bsq / BSQStoreProvider.java @ 44831
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2016 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.fmap.dal.file.bsq; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import org.gvsig.basicformats.FormatsFile; |
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import org.gvsig.basicformats.HDRFile; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.raster.OpenRasterStoreParameters; |
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import org.gvsig.fmap.dal.raster.spi.BandDescriptorServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.tools.exception.BaseException; |
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public class BSQStoreProvider extends AbstractFileRasterStoreProvider { |
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// https://www.qgistutorials.com/en/docs/open_bil_bip_bsq_files.html
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// http://glcf.umd.edu/data/landcover/data.shtml
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protected HDRFile hdrFile;
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@SuppressWarnings("OverridableMethodCallInConstructor") |
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public BSQStoreProvider(
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String name,
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String description,
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OpenRasterStoreParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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super(
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name, |
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description, |
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params, |
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storeServices |
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); |
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this.init(params, storeServices);
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} |
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@Override
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public int getBands() { |
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this.autoOpen();
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return this.hdrFile.getNbands(); |
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} |
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@Override
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public int getRows() { |
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this.autoOpen();
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return this.hdrFile.getNrows(); |
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} |
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@Override
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public int getColumns() { |
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this.autoOpen();
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return this.hdrFile.getNcols(); |
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} |
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@Override
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protected void doDispose() throws BaseException { |
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super.doDispose();
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this.hdrFile = null; |
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} |
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@Override
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public void open() throws OpenException { |
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if (this.hdrFile != null) { |
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return;
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} |
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HDRFile theHDRFile; |
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theHDRFile = FormatsFile.getHDRFile(this.getFile());
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if (theHDRFile == null || !theHDRFile.isValid()) { |
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throw new OpenException(this.getProviderName(), null); |
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} |
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this.hdrFile = theHDRFile;
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this.envelope = this.hdrFile.getEnvelope(); |
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if (this.envelope == null) { |
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this.envelope = this.wldFile.getEnvelope( |
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this.hdrFile.getNrows(),
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this.hdrFile.getNcols()
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); |
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} |
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try {
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int dataType = this.hdrFile.getDataType(); |
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this.pageManagers = new ArrayList<>(); |
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for (int nband = 0; nband < this.hdrFile.getNbands(); nband++) { |
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BandDescriptorServices bandDescriptor = getBandDescriptor(nband); |
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bandDescriptor.setDataType(dataType); |
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bandDescriptor.setName(String.valueOf(nband));
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try {
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bandDescriptor.setDescription(this.getName() + "- band " + nband); |
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} catch (Exception e) { |
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bandDescriptor.setDescription("band " + nband);
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} |
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bandDescriptor.add("X size", this.hdrFile.getNcols()); |
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bandDescriptor.add("Y size", this.hdrFile.getNrows()); |
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BSQBandPageManager pageManager = new BSQBandPageManager(
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getFile(), |
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nband * this.hdrFile.getBandSize(),
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this.hdrFile.getNrows(),
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this.hdrFile.getNcols(),
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dataType, |
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this.hdrFile.getByteorder()
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); |
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this.pageManagers.add(pageManager);
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} |
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} catch (IOException ex) { |
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this.hdrFile = null; |
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throw new OpenException(storeProviderName, ex); |
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} |
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} |
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} |