Method hasPointPosition

ij/src/main/java/ij/gui/PointRoi.java:780–785

Returns whether this Roi contains a point associated to the given stack slice. Returns true for (non-existant) slice 0. Does not care whether points would be shown irrespective of the slice number (as given by the Point Tool options "Show on all slices", Prefs.showAllPoints).

(int slice)

	 *  (as given by the Point Tool options "Show on all slices", Prefs.showAllPoints).
	 */
	public boolean hasPointPosition(int slice) {
		if (slice < 0)  return false;
		if (slice == 0) return true;
		if (positions == null) return true;
		return Tools.indexOf(positions, slice) >= 0;
	}

	public void displayCounts() {
		ImagePlus imp = getImage();