Revision 2438 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/filter/convolution/ConvolutionDoubleFilter.java
ConvolutionDoubleFilter.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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public class ConvolutionDoubleFilter extends ConvolutionFilter { |
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public ConvolutionDoubleFilter(){ |
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public ConvolutionDoubleFilter() {
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super(); |
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} |
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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 ConvolutionDoubleFilter(Kernel k){ |
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public ConvolutionDoubleFilter(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_DOUBLE, raster.getWidth(), raster.getHeight(), raster.getBandCount(), true); |
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} |
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int lado= kernel.getLado(); |
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int semiLado = (lado - 1) >> 1; |
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double ventana[][]= new double[lado][lado]; |
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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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public int getOutRasterDataType() { |
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return RasterBuffer.TYPE_DOUBLE; |
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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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