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/correction/MedianByteFilter.java
| MedianByteFilter.java | ||
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import java.util.Arrays; |
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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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/** |
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super(); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.correction.MedianFilter#pre() |
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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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window = new int[sizeWindow]; |
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rasterResult = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), raster.getBandCount(), true); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.correction.MedianFilter#process(int, int) |
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*/ |
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public void process(int col, int line) {
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// Obtener el vector con la ventanas de muestras |
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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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int k = 0; |
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for (int i = -halfSide; i <= halfSide; i++) |
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for (int j = -halfSide; j <= halfSide; j++) {
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| ... | ... | |
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// Extraer los elementos centrales y asignarselos al pixel (x,y) |
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rasterResult.setElem(line, col, band, (byte) window[k >> 1]); |
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} |
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writeAlphaBand(line, col); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.correction.MedianFilter#getInRasterDataType() |
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*/ |
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public int getInRasterDataType() {
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return RasterBuffer.TYPE_BYTE; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.RasterFilter#getOutRasterDataType() |
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*/ |
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public int getOutRasterDataType() {
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return RasterBuffer.TYPE_BYTE; |
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} |
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