Method setRoi

ij/src/main/java/ij/ImagePlus.java:2155–2157

Assigns the specified ROI to this image and displays it. Any existing ROI is deleted if roi is null or its width or height is zero.

(Roi newRoi)

	/** Assigns the specified ROI to this image and displays it. Any existing
		ROI is deleted if <code>roi</code> is null or its width or height is zero. */
	public void setRoi(Roi newRoi) {
		setRoi(newRoi, true);
	}

	/** Assigns 'newRoi'  to this image and displays it if 'updateDisplay' is true. */
	public void setRoi(Roi newRoi, boolean updateDisplay) {