ui/src/main/java/ucar/nc2/ui/image/SourcePicture.java
public Dimension getSize() {
		if ( sourcePictureBufferedImage != null )
			return new Dimension( sourcePictureBufferedImage.getWidth(), sourcePictureBufferedImage.getHeight());
		else 
			return new Dimension(0,0);
		
	}
public Dimension getSize() {
		if ( sourcePictureBufferedImage != null )
			return new Dimension( sourcePictureBufferedImage.getWidth(), sourcePictureBufferedImage.getHeight());
		else 
			return new Dimension(0,0);
		
	}
return the size of the image or Zero if there is none