Examples with ROI qupath.lib.roi.interfaces.ROI used on opensource projects

Example 86 with ROI

use of qupath.lib.roi.interfaces.ROI in project qupath by qupath.

the class Commands method promptToSimplifySelectedAnnotations.

/**
 * Show a prompt to selected annotations in a hierarchy.
 * @param imageData the current image data
 * @param altitudeThreshold default altitude value for simplification
 */
public static void promptToSimplifySelectedAnnotations(ImageData<?> imageData, double altitudeThreshold) {
    PathObjectHierarchy hierarchy = imageData.getHierarchy();
    List<PathObject> pathObjects = hierarchy.getSelectionModel().getSelectedObjects().stream().filter(p -> p.isAnnotation() && p.hasROI() && p.isEditable() && !p.getROI().isPoint()).collect(Collectors.toList());
    if (pathObjects.isEmpty()) {
        Dialogs.showErrorMessage("Simplify annotations", "No unlocked shape annotations selected!");
        return;
    }
    String input = Dialogs.showInputDialog("Simplify shape", "Set altitude threshold in pixels.\nHigher values give simpler shapes.", Double.toString(altitudeThreshold));
    if (input == null || !(input instanceof String) || ((String) input).trim().length() == 0)
        return;
    try {
        altitudeThreshold = Double.parseDouble(((String) input).trim());
    } catch (NumberFormatException e) {
        logger.error("Could not parse altitude threshold from {}", input);
        return;
    }
    if (altitudeThreshold <= 0) {
        Dialogs.showErrorMessage("Simplify shape", "Amplitude threshold should be greater than zero!");
        return;
    }
    long startTime = System.currentTimeMillis();
    for (var pathObject : pathObjects) {
        ROI pathROI = pathObject.getROI();
        if (pathROI instanceof PolygonROI) {
            PolygonROI polygonROI = (PolygonROI) pathROI;
            pathROI = ShapeSimplifier.simplifyPolygon(polygonROI, altitudeThreshold);
        } else {
            pathROI = ShapeSimplifier.simplifyShape(pathROI, altitudeThreshold);
        }
        ((PathAnnotationObject) pathObject).setROI(pathROI);
    }
    long endTime = System.currentTimeMillis();
    logger.debug("Shapes simplified in " + (endTime - startTime) + " ms");
    hierarchy.fireObjectsChangedEvent(hierarchy, pathObjects);
}

Example 87 with ROI

use of qupath.lib.roi.interfaces.ROI in project qupath by qupath.

the class TMAGridView method createRegionRequest.

private RegionRequest createRegionRequest(final PathObject core) {
    ROI roi = core.getROI();
    double downsample = Math.max(roi.getBoundsWidth(), roi.getBoundsHeight()) / CoreDisplaySize.LARGE.getSize();
    // downsample = Math.round(downsample);
    return RegionRequest.createInstance(getServerPath(), downsample, roi);
}