Revision 2215 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/provider/fusion/BufferListFusion.java
BufferListFusion.java | ||
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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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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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*/ |
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package org.gvsig.raster.impl.provider.fusion; |
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import java.awt.geom.Rectangle2D; |
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import java.util.List; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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import org.gvsig.raster.impl.DefaultRasterManager; |
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import org.gvsig.raster.impl.datastruct.ExtentImpl; |
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private List<Buffer> bufferList = null; |
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private List<Extent> bboxList = null; |
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private double outputPixelSize = 0; |
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private int dataType = Buffer.TYPE_UNDEFINED; |
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private int bandCount = 0; |
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private Extent bbox = null; |
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private AbstractFusionMethod fusion = null; |
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private PixelSquareStructure pxSquare = null; |
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private AbstractFusionMethod fusion = null; |
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public class PixelSquareStructure { |
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public double pixelSize = 0; |
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public int dataType = Buffer.TYPE_UNDEFINED; |
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public int bandCount = 0; |
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public int width = 0; |
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public int height = 0; |
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public Extent bbox = null; |
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public NoData nodata = null; |
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public Buffer buffer = null; |
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public PixelSquareStructure( |
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Buffer buf, |
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Extent bbox, |
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double pixelSize) { |
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this.pixelSize = pixelSize; |
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this.dataType = buf.getDataType(); |
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this.bandCount = buf.getBandCount(); |
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this.width = buf.getWidth(); |
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this.height = buf.getHeight(); |
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nodata = buf.getNoDataValue() != null ? |
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buf.getNoDataValue() : |
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RasterLocator.getManager().getDataStructFactory().createDefaultNoData(bandCount, dataType); |
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this.bbox = bbox; |
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this.buffer = buf; |
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} |
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public PixelSquareStructure( |
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double pixelSize, |
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int bandCount, |
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int datatype) { |
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this.pixelSize = pixelSize; |
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this.dataType = datatype; |
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this.bandCount = bandCount; |
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this.width = (int)Math.ceil(bbox.width() * pixelSize); |
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this.height = (int)Math.ceil(bbox.height() * pixelSize); |
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nodata = RasterLocator.getManager().getDataStructFactory().createDefaultNoData(bandCount, datatype); |
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} |
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} |
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public static PixelSquareStructure buildPixelSquareStructure( |
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Buffer buf, |
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Extent bbox, |
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double pixelSize) { |
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return new BufferListFusion().new PixelSquareStructure(buf, bbox, pixelSize); |
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} |
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public static PixelSquareStructure buildPixelSquareStructure( |
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double pixelSize, |
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int bandCount, |
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int datatype) { |
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return new BufferListFusion().new PixelSquareStructure(pixelSize, bandCount, datatype); |
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} |
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public BufferListFusion() {} |
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public BufferListFusion( |
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List<Buffer> bufferList, |
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int pixelSize, |
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int ouputBandCount, |
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int outputDatatype, |
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PixelSquareStructure pxSquare, |
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int fusionMethod) { |
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this.outputPixelSize = pixelSize; |
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this.dataType = outputDatatype; |
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this.bandCount = ouputBandCount; |
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this.bufferList = bufferList; |
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bbox = getBoundingBox(); |
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if(pxSquare.bbox == null) { |
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Extent bbox = getBoundingBox(); |
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pxSquare.bbox = bbox; |
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} |
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this.pxSquare = pxSquare; |
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if(fusionMethod == FIRST) { |
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fusion = new FirstFusionMethod(); |
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fusion = new FirstFusionMethod(bufferList, pxSquare);
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} |
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} |
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* @return |
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*/ |
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public Buffer getWindow() { |
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int width = (int)Math.ceil(bbox.width() * outputPixelSize); |
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int height = (int)Math.ceil(bbox.height() * outputPixelSize); |
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Buffer buffer = DefaultRasterManager.getInstance().createBuffer(dataType, width, height, bandCount, true); |
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if(pxSquare.buffer == null) { |
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pxSquare.buffer = DefaultRasterManager.getInstance().createBuffer( |
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pxSquare.dataType, pxSquare.width, pxSquare.height, pxSquare.bandCount, true); |
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} |
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if(dataType == Buffer.TYPE_BYTE) { |
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for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
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for (int row = 0; row < buffer.getHeight(); row++) { |
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for (int col = 0; col < buffer.getWidth(); col++) { |
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buffer.setElem(row, col, iBand, fusion.getByteValue(row, col, iBand)); |
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} |
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} |
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if(pxSquare.dataType == Buffer.TYPE_BYTE) { |
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for (int row = 0; row < pxSquare.buffer.getHeight(); row++) { |
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for (int col = 0; col < pxSquare.buffer.getWidth(); col++) { |
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pxSquare.buffer.setElemByte(row, col, fusion.getByteValue(row, col)); |
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} |
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} |
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} |
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if(dataType == Buffer.TYPE_FLOAT) { |
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for (int iBand = 0; iBand < buffer.getBandCount(); iBand++) { |
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for (int row = 0; row < buffer.getHeight(); row++) { |
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for (int col = 0; col < buffer.getWidth(); col++) { |
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buffer.setElem(row, col, iBand, fusion.getFloatValue(row, col, iBand)); |
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} |
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} |
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if(pxSquare.dataType == Buffer.TYPE_FLOAT) { |
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for (int row = 0; row < pxSquare.buffer.getHeight(); row++) { |
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for (int col = 0; col < pxSquare.buffer.getWidth(); col++) { |
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pxSquare.buffer.setElemFloat(row, col, fusion.getFloatValue(row, col)); |
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} |
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} |
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} |
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return buffer; |
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return pxSquare.buffer;
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} |
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/*private Extent getIntersectionBoundingBox(Extent bbox) { |
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Extent intersection = bbox; |
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if(bboxList != null) { |
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for (int i = 0; i < bboxList.size(); i++) { |
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Extent e = bboxList.get(i); |
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intersection = intersection.intersection(e); |
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/** |
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* Sets a band to NODATA value |
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* @param bufResult |
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* @param tileExtent |
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* @param buf |
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* @param ex |
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* @param pixelSize |
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*/ |
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protected void clearMaskBuffer(Buffer buf) { |
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if(buf.getDataType() == Buffer.TYPE_BYTE) { |
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for (int i = 0; i < buf.getHeight(); i++) { |
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for (int j = 0; j < buf.getWidth(); j++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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buf.setElem(i, j, iBand, pxSquare.nodata.getValue().byteValue()); |
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} |
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} |
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} |
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} else { |
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for (int i = 0; i < bufferList.size(); i++) { |
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Rectangle2D r = bufferList.get(i).getDataExtent(); |
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Extent e = new ExtentImpl(r.getMinX(), r.getMinY(), r.getMaxX(), r.getMaxY()); |
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intersection = intersection.intersection(e); |
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return; |
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} |
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if(buf.getDataType() == Buffer.TYPE_SHORT) { |
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for (int i = 0; i < buf.getHeight(); i++) { |
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for (int j = 0; j < buf.getWidth(); j++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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buf.setElem(i, j, iBand, pxSquare.nodata.getValue().shortValue()); |
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} |
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} |
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} |
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return; |
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} |
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return intersection; |
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}*/ |
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if(buf.getDataType() == Buffer.TYPE_INT) { |
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for (int i = 0; i < buf.getHeight(); i++) { |
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for (int j = 0; j < buf.getWidth(); j++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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buf.setElem(i, j, iBand, pxSquare.nodata.getValue().intValue()); |
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} |
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} |
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} |
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return; |
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} |
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if(buf.getDataType() == Buffer.TYPE_FLOAT) { |
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for (int i = 0; i < buf.getHeight(); i++) { |
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for (int j = 0; j < buf.getWidth(); j++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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buf.setElem(i, j, iBand, pxSquare.nodata.getValue().floatValue()); |
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} |
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} |
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} |
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return; |
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} |
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if(buf.getDataType() == Buffer.TYPE_DOUBLE) { |
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for (int i = 0; i < buf.getHeight(); i++) { |
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for (int j = 0; j < buf.getWidth(); j++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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buf.setElem(i, j, iBand, pxSquare.nodata.getValue().doubleValue()); |
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} |
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} |
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} |
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return; |
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} |
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} |
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private Extent getBoundingBox() { |
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double minX = Double.MAX_VALUE; |
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return new ExtentImpl(minX, minY, maxX, maxY); |
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} |
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public void dispose() { |
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for (int i = 0; i < bufferList.size(); i++) { |
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bufferList.get(i).dispose(); |
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} |
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bufferList.clear(); |
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} |
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/*public void setNoDataValue(int datatype) { |
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NoData noData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData(bandCount, datatype); |
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switch (datatype) { |
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case Buffer.TYPE_BYTE: |
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byteNoData = noData.getValue().byteValue(); |
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break; |
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case Buffer.TYPE_SHORT: |
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shortNoData = noData.getValue().shortValue(); |
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break; |
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case Buffer.TYPE_INT: |
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intNoData = noData.getValue().intValue(); |
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break; |
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case Buffer.TYPE_FLOAT: |
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floatNoData = noData.getValue().floatValue(); |
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break; |
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case Buffer.TYPE_DOUBLE: |
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doubleNoData = ((NoData)noData).getValue().doubleValue(); |
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break; |
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} |
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} |
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private Extent getIntersectionBoundingBox(Extent bbox) { |
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Extent intersection = bbox; |
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if(bboxList != null) { |
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for (int i = 0; i < bboxList.size(); i++) { |
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Extent e = bboxList.get(i); |
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intersection = intersection.intersection(e); |
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} |
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} else { |
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for (int i = 0; i < bufferList.size(); i++) { |
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Rectangle2D r = bufferList.get(i).getDataExtent(); |
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Extent e = new ExtentImpl(r.getMinX(), r.getMinY(), r.getMaxX(), r.getMaxY()); |
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intersection = intersection.intersection(e); |
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} |
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} |
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return intersection; |
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}*/ |
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} |
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