function h=nma_arrow( varargin) %draws an arrow annotation on figure x1=varargin{1}; y1=varargin{2}; x2=varargin{3}; y2=varargin{4}; [figx figy]=dsxy2figxy([x1 x2],[y1 y2]); if nargin>4 h=annotation('arrow',[figx(1) figx(2)],[figy(1) figy(2)],varargin{5:end}); else h=annotation('arrow',[figx(1) figx(2)],[figy(1) figy(2)]); end end