Revision 18856

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trunk/extensions/extRasterTools-SE/src/org/gvsig/raster/regionalpha/filter/RegionAlphaFilter.java
161 161 
		if ((windowExtent == null) || (gridExtent == null))
162 162 
			return;
163 163 
		double newX = windowExtent.minX() + ((((double) x) * windowExtent.width()) / ((double) raster.getWidth()));
164 
		double newY = windowExtent.minY() + ((( (double) (raster.getHeight() - (y + 1))) * windowExtent.height()) / ((double) raster.getHeight()));
164 
		double newY = windowExtent.minY() + ((( (double) (raster.getHeight() - (y ))) * windowExtent.height()) / ((double) raster.getHeight()));
165 165
166 166 
		Point2D point2D = dataset.worldToRaster(new Point2D.Double(newX, newY));
167 167 
		newX = point2D.getX();
......
169 169
170 170 
		if(alphaBandNumber < 0) {
171 171 
			for (int i = 0; i < rois.size(); i++) {
172 
				if (((ROI) rois.get(i)).isInGrid((int) Math.floor(newX), (int) Math.floor(newY))) {
172 
				if (((ROI) rois.get(i)).isInGrid((int) Math.round(newX), (int) Math.round(newY))) {
173 173 
					rasterAlpha.setElem(y, x, 0, (byte) (255 - alpha));
174 174 
					return;
175 175 
				}
......
177 177 
			rasterAlpha.setElem(y, x, 0, (byte) 255);
178 178 
		} else {
179 179 
			for (int i = 0; i < rois.size(); i++) {
180 
				if (((ROI) rois.get(i)).isInGrid((int) Math.floor(newX), (int) Math.floor(newY))) {
180 
				if (((ROI) rois.get(i)).isInGrid((int) Math.round(newX), (int) Math.round(newY))) {
181 181 
					raster.setElem(y, x, alphaBandNumber,
182 182 
						(byte) (((255 - alpha) & 0xff) * (raster.getElemByte(y, x, alphaBandNumber) & 0xff) / 255));
183 183 
					return;

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