Revision 2308 org.gvsig.raster.tools/branches/org.gvsig.raster.tools_dataaccess_refactoring/org.gvsig.raster.tools.app.basic/src/main/java/org/gvsig/raster/tools/app/basic/tool/filter/mask/MaskIntegerFilter.java

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MaskIntegerFilter.java
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import org.gvsig.fmap.dal.coverage.RasterLibrary;


  		




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import org.gvsig.fmap.dal.coverage.datastruct.NoData;


  		




  
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import org.gvsig.fmap.dal.coverage.exception.FilterAddException;


  		




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import org.gvsig.raster.roi.ROI;


  		




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/**


  		




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 * de la ROI se ponen a NoData. Esta clase es la gestiona los datos para los


  		




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 * raster de tipo integer.


  		




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 * 


  		




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 * 14/03/2008


  		




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 * @author Nacho Brodin nachobrodin@gmail.com


  		




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 */


  		




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public class MaskIntegerFilter extends MaskFilter {


  		




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	private int nodata     = RasterLibrary.defaultIntegerNoDataValue;


  		




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	public void pre() {


  		




  
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	public void pre() throws FilterAddException {


  		




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		super.pre();


  		




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		noData = (NoData)params.get("nodata");


  		




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		if(noData != null && noData.isDefined())


  		




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			nodata = noData.getValue().intValue();


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.raster.filter.mask.MaskFilter#process(int, int)


  		




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	 */


  		




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	public void process(int x, int y) {


  		




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		if ((windowExtent == null) || (gridExtent == null))


  		




  
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		if(bufferExtent == null) {


  		




  
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			for (int j = 0; j < raster.getBandCount(); j++) 


  		




  
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				rasterResult.setElem(y, x, j, raster.getElemInt(y, x, j));


  		




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			return;


  		




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		double wcX = windowExtent.minX() + ((((double) x) * windowExtent.width()) / ((double) raster.getWidth()));


  		




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		double wcY = windowExtent.minY() + ((((double) (raster.getHeight() - (y))) * windowExtent.height()) / ((double) raster.getHeight()));


  		




  
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		}


  		




  
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		double wcX = bufferExtent.minX() + ((((double) x) * bufferExtent.width()) / ((double) raster.getWidth()));


  		




  
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		double wcY = bufferExtent.minY() + ((((double) (raster.getHeight() - (y))) * bufferExtent.height()) / ((double) raster.getHeight()));


  		




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		if(inverse) {


  		




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			for (int i = 0; i < rois.size(); i++) {


  		




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				if (((ROI) rois.get(i)).isInside(wcX, wcY, cellsize, cellsize)) {


  		




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					for (int j = 0; j < raster.getBandCount(); j++) 


  		




  
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					for (int j = 0; j < numberOfBandsToProcess(); j++) 


  		




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						rasterResult.setElem(y, x, j, (int)nodata);


  		




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					return;


  		




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				}


  		




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			}


  		




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			for (int j = 0; j < raster.getBandCount(); j++) 


  		




  
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			for (int j = 0; j < numberOfBandsToProcess(); j++) 


  		




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				rasterResult.setElem(y, x, j, raster.getElemInt(y, x, j));


  		




  
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			return;


  		




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		}


  		




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		for (int i = 0; i < rois.size(); i++) {


  		




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			if (((ROI) rois.get(i)).isInside(wcX, wcY, cellsize, cellsize)) {


  		




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				for (int j = 0; j < raster.getBandCount(); j++) 


  		




  
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				for (int j = 0; j < numberOfBandsToProcess(); j++) 


  		




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					rasterResult.setElem(y, x, j, raster.getElemInt(y, x, j));


  		




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				return;


  		




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			}


  		




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		}


  		




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		for (int j = 0; j < raster.getBandCount(); j++) 


  		




  
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		for (int j = 0; j < numberOfBandsToProcess(); j++) 


  		




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			rasterResult.setElem(y, x, j, (int)nodata);


  		




  
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		return;


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.raster.filter.mask.MaskFilter#getInRasterDataType()


  		




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	 */


  		




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	public int getInRasterDataType() {


  		




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		return DataBuffer.TYPE_INT;


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.raster.filter.mask.MaskFilter#getOutRasterDataType()


  		




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	 */


  		




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	public int getOutRasterDataType() { 


  		




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		return DataBuffer.TYPE_INT;


  		




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	}


  		












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