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/ConvolutionFloatFilter.java
| ConvolutionFloatFilter.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 ConvolutionFloatFilter extends ConvolutionFilter {
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public ConvolutionFloatFilter(){
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public ConvolutionFloatFilter() {
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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 ConvolutionFloatFilter(Kernel k){
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public ConvolutionFloatFilter(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_FLOAT, 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 resultConvolution=0;
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for (int band = 0; band < raster.getBandCount(); band++) {
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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 < 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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ventana[i + semiLado][j + semiLado] = raster.getElemFloat(line + j, col + i, band);; |
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Kernel Kventana= new Kernel(ventana); |
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resultConvolution=kernel.convolution(Kventana);
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if(resultConvolution>Float.MAX_VALUE)
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resultConvolution=Float.MAX_VALUE;
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Kernel Kventana = new Kernel(ventana);
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resultConvolution = kernel.convolution(Kventana);
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if(resultConvolution > Float.MAX_VALUE)
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resultConvolution = Float.MAX_VALUE;
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else if (resultConvolution<0) |
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resultConvolution = 0; |
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rasterResult.setElem(line, col, band,(float)resultConvolution); |
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} |
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else rasterResult.setElem(line, col,band,raster.getElemFloat(line,col,band)); |
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} |
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} |
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/** |
| ... | ... | |
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public int getOutRasterDataType() {
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return RasterBuffer.TYPE_FLOAT; |
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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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