| gvSIG desktop 1

package org.gvsig.raster.grid.filter.convolution;

import org.gvsig.raster.buffer.RasterBuffer;

import org.gvsig.raster.dataset.IBuffer;

public class ConvolutionShortFilter extends ConvolutionFilter {

        protected IBuffer                rasterResult = null;

        public ConvolutionShortFilter(){

                super();

        }

        public void pre(){

                super.pre();

                rasterResult = RasterBuffer.getBuffer(IBuffer.TYPE_SHORT, raster.getWidth(), raster.getHeight(), raster.getBandCount(), true);

        }

        public void process(int col, int line) {

                double ventana[][]= new double[ladoVentana][ladoVentana];

                short resultConvolution=0;

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

                        if((col>ladoVentana)&& (line>ladoVentana)&& (line<raster.getHeight()-ladoVentana) && col<raster.getWidth()-ladoVentana){

                                for(int s=line; s< line+ladoVentana; s++)

                                        for(int r=col; r<col+ladoVentana; r++)

                                                 ventana[s-line][r-col]= raster.getElemShort(s,r,i);

                                Kernel Kventana= new Kernel(ventana);

                                resultConvolution=(short)kernel.convolution(Kventana);

                                rasterResult.setElem(line, col, i,(short)resultConvolution);

                        }

                        else rasterResult.setElem(line, col, i,(short)raster.getElemShort(line,col,i));

                }

        }

                public int getInRasterDataType() {

                        return RasterBuffer.TYPE_SHORT;

                }

                public int getOutRasterDataType() {

                        return RasterBuffer.TYPE_SHORT;

                }

                public Object getResult(String name) {

                        if (name.equals("raster"))

                                return (Object) this.rasterResult;

                        return null;

                }

}