Revision 17884 trunk/libraries/libRaster/src/org/gvsig/raster/grid/filter/bands/NoDataIntegerFilter.java
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es) |
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*/ |
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public class NoDataIntegerFilter extends NoDataFilter {
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.bands.ColorTableFilter#process(int, int)
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* @see org.gvsig.raster.grid.filter.bands.NoDataFilter#hasNoData(int, int)
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*/ |
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public void process(int col, int line) {
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byte alpha = (byte) 255; |
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for (int band = 0; band < raster.getBandCount(); band++) {
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double value = (double) raster.getElemInt(line, col, band); |
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if (noDataValue == value) {
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alpha = 0; |
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break; |
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} |
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} |
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rasterAlpha.setElem(line, col, 0, alpha); |
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public boolean hasNoData(int col, int line) {
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int data[] = new int[raster.getBandCount()]; |
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raster.getElemInt(line, col, data); |
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for (int band = 0; band < data.length; band++) |
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if (noDataValue == (double) data[band]) |
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return true; |
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return false; |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.bands.NoDataFilter#writeNoData(int, int) |
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*/ |
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public void writeNoData(int col, int line) {
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for (int band = 0; band < raster.getBandCount(); band++) |
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raster.setElem(line, col, band, (int) noDataValue); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.grid.filter.bands.ColorTableFilter#getInRasterDataType() |
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*/ |
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public int getInRasterDataType() {
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