protected Dataset createZoom(
final IImageTrace image,
IRegion region,
IROI rbs,
boolean tryUpdate,
boolean isDrag,
IProgressMonitor monitor) {
if (!(region.getROI() instanceof RectangularROI)) return null;
final RectangularROI bounds = (RectangularROI) (rbs == null ? region.getROI() : rbs);
if (bounds == null) return null;
if (!region.isVisible()) return null;
if (monitor.isCanceled()) return null;
final int yInc = bounds.getPoint()[1] < bounds.getEndPoint()[1] ? 1 : -1;
final int xInc = bounds.getPoint()[0] < bounds.getEndPoint()[0] ? 1 : -1;
Dataset im = DatasetUtils.convertToDataset(image.getData());
Dataset slice = DatasetUtils.convertToDataset(ToolUtils.getClippedSlice(im, bounds));
slice.setName(region.getName());
// Calculate axes to have real values not size
Dataset yLabels = null;
Dataset xLabels = null;
if (image.getAxes() != null && image.getAxes().size() > 0) {
Dataset xl = DatasetUtils.convertToDataset(image.getAxes().get(0));
if (xl != null) xLabels = ZoomTool.getLabelsFromLabels(xl, bounds, 0);
Dataset yl = DatasetUtils.convertToDataset(image.getAxes().get(1));
if (yl != null) yLabels = ZoomTool.getLabelsFromLabels(yl, bounds, 1);
}
if (yLabels == null)
yLabels =
DatasetFactory.createRange(
IntegerDataset.class, bounds.getPoint()[1], bounds.getEndPoint()[1], yInc);
if (xLabels == null)
xLabels =
DatasetFactory.createRange(
IntegerDataset.class, bounds.getPoint()[0], bounds.getEndPoint()[0], xInc);
final IImageTrace zoom_trace =
(IImageTrace)
profilePlottingSystem.updatePlot2D(
slice, Arrays.asList(new IDataset[] {xLabels, yLabels}), monitor);
registerTraces(region, Arrays.asList(new ITrace[] {zoom_trace}));
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
zoom_trace.setPaletteData(image.getPaletteData());
}
});
return slice;
}
