function h=nma_rectangle(varargin ) %make an annotation of a rectangle x1=varargin{1}; y1=varargin{2}; x2=varargin{3}; y2=varargin{4}; [figx figy]=dsxy2figxy([x1 x2],[y1 y2]); w=figx(2)-figx(1); h=figy(2)-figy(1); if nargin>4 h=annotation('rectangle', [figx(1) figy(1) w h],varargin{5:end}); else h=annotation('rectangle', [figx(1) figy(1) w h]); end end