Revision 2308 org.gvsig.raster/branches/org.gvsig.raster_dataaccess_refactoring/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/filter/convolution/ConvolutionShortFilter.java

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ConvolutionShortFilter.java
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package org.gvsig.raster.impl.grid.filter.convolution;
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import org.gvsig.fmap.dal.coverage.dataset.Buffer;


  		




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


  		




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import org.gvsig.raster.impl.DefaultRasterManager;


  		




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import org.gvsig.raster.impl.buffer.RasterBuffer;


  		




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import org.gvsig.raster.impl.datastruct.Kernel;


  		




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 * */


  		




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public class ConvolutionShortFilter extends ConvolutionFilter {


  		




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	public ConvolutionShortFilter(){


  		




  
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	public ConvolutionShortFilter() {


  		




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		super();


  		




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	}


  		




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	 * @param Kernel a aplicar. En caso de que no se trate de un kernel definido en ConvolutionFilter, se puede pasar como


  		




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	 * parametro el kernel se pretende aplicar.


  		




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	 * **/


  		




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	public ConvolutionShortFilter(Kernel k){


  		




  
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	public ConvolutionShortFilter(Kernel k) {


  		




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		super();


  		




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		super.kernel=k;


  		




  
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		super.kernel = k;


  		




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	}


  		




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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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		rasterResult = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_SHORT, raster.getWidth(), raster.getHeight(), raster.getBandCount(), true);


  		




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	}


  		




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		int semiLado = (lado - 1) >> 1;


  		




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		double ventana[][] = new double[lado][lado];


  		




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		double resultConvolution = 0;


  		




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


  		




  
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		for (int band = 0; band < numberOfBandsToProcess(); band++) {


  		




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			if ((col - semiLado >= 0) && (line - semiLado >= 0) && (col + semiLado < width) && (line + semiLado < height)) {


  		




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				for (int j = -semiLado; j <= semiLado; j++)


  		




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					for (int i = -semiLado; i <= semiLado; i++)


  		




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		return RasterBuffer.TYPE_SHORT;


  		




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	}


  		




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	/**


  		




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	 * @return  buffer resultante tras aplicar el filtro


  		




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	 * */


  		




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	public Object getResult(String name) {


  		




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		if (name.equals("raster"))


  		




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			return this.rasterResult;


  		




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		return null;


  		




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	}


  		




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}


  		












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