Revision 859 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/GridReader.java

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GridReader.java
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 */
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package org.gvsig.raster.impl.grid;
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import org.gvsig.fmap.dal.coverage.RasterLibrary;


  		




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import org.gvsig.fmap.dal.coverage.dataset.Buffer;


  		




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


  		




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


  		




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


  		




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


  		




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import org.gvsig.fmap.dal.coverage.store.RasterDataStore;


  		




  ......




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	protected int 				dataType       = Buffer.TYPE_UNDEFINED;


  		




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	protected int[]				bands          = null;


  		




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	protected int				bandToOperate  = 0;


  		




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	protected double            defaultNoData  = RasterLibrary.defaultNoDataValue;


  		




  
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	protected NoData            defaultNoData  = null;


  		




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	/**


  		




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	 * Extent de la ventana que corresponde al Grid 


  		




  ......




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	 */


  		




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	public abstract double[] getBandsValuesAsDouble(int x, int y)  throws RasterBufferInvalidAccessException, RasterBufferInvalidException ;


  		




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	public boolean isNoDataValue (double dValue){


  		




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		if(rasterBuf != null)


  		




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			return (dValue == rasterBuf.getNoDataValue());


  		




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		else


  		




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			return (dValue == defaultNoData);


  		




  
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	public boolean isNoDataValue (double dValue) {


  		




  
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		if( rasterBuf != null && 


  		




  
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			rasterBuf.getNoDataValue() != null && 


  		




  
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			rasterBuf.getNoDataValue().isDefined())


  		




  
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			return (dValue == rasterBuf.getNoDataValue().getValue().doubleValue());


  		




  
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		else {


  		




  
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			if( defaultNoData != null && 


  		




  
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				defaultNoData.isDefined())


  		




  
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				return (dValue == defaultNoData.getValue().doubleValue());


  		




  
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		}


  		




  
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		return false;


  		




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	}


  		




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	public double getNoDataValue(){


  		




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		if(rasterBuf != null)


  		




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			return rasterBuf.getNoDataValue();


  		




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		else 


  		




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			return defaultNoData;


  		




  
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	public double getNoDataValue() {


  		




  
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		if( rasterBuf != null && 


  		




  
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			rasterBuf.getNoDataValue() != null && 


  		




  
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			rasterBuf.getNoDataValue().isDefined())


  		




  
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			return rasterBuf.getNoDataValue().getValue().doubleValue();


  		




  
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		else {


  		




  
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			if( defaultNoData != null && 


  		




  
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				defaultNoData.isDefined())


  		




  
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				return defaultNoData.getValue().doubleValue();


  		




  
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		}


  		




  
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		return -99999D;


  		




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	}


  		




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	public int getNY() {


  		












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