Daniel@0: function hout=suptitle(str, fs)
Daniel@0: %SUPTITLE Puts a title above all subplots.
Daniel@0: %	SUPTITLE('text') adds text to the top of the figure
Daniel@0: %	above all subplots (a "super title"). Use this function
Daniel@0: %	after all subplot commands.
Daniel@0: 
Daniel@0: % Drea Thomas 6/15/95 drea@mathworks.com
Daniel@0: 
Daniel@0: % Warning: If the figure or axis units are non-default, this
Daniel@0: % will break.
Daniel@0: 
Daniel@0: % Parameters used to position the supertitle.
Daniel@0: 
Daniel@0: % Amount of the figure window devoted to subplots
Daniel@0: plotregion = .92;
Daniel@0: 
Daniel@0: % Y position of title in normalized coordinates
Daniel@0: titleypos  = .95;
Daniel@0: 
Daniel@0: % Fontsize for supertitle
Daniel@0: if nargin < 2
Daniel@0:   fs = get(gcf,'defaultaxesfontsize')+4;
Daniel@0: end
Daniel@0: 
Daniel@0: % Fudge factor to adjust y spacing between subplots
Daniel@0: fudge=1;
Daniel@0: 
Daniel@0: haold = gca;
Daniel@0: figunits = get(gcf,'units');
Daniel@0: 
Daniel@0: % Get the (approximate) difference between full height (plot + title
Daniel@0: % + xlabel) and bounding rectangle.
Daniel@0: 
Daniel@0: 	if (~strcmp(figunits,'pixels')),
Daniel@0: 		set(gcf,'units','pixels');
Daniel@0: 		pos = get(gcf,'position');
Daniel@0: 		set(gcf,'units',figunits);
Daniel@0: 	else,
Daniel@0: 		pos = get(gcf,'position');
Daniel@0: 	end
Daniel@0: 	ff = (fs-4)*1.27*5/pos(4)*fudge;
Daniel@0: 
Daniel@0:         % The 5 here reflects about 3 characters of height below
Daniel@0:         % an axis and 2 above. 1.27 is pixels per point.
Daniel@0: 
Daniel@0: % Determine the bounding rectange for all the plots
Daniel@0: 
Daniel@0: % h = findobj('Type','axes');   
Daniel@0: 
Daniel@0: % findobj is a 4.2 thing.. if you don't have 4.2 comment out
Daniel@0: % the next line and uncomment the following block.
Daniel@0: 	
Daniel@0: h = findobj(gcf,'Type','axes');  % Change suggested by Stacy J. Hills
Daniel@0: 
Daniel@0: % If you don't have 4.2, use this code instead
Daniel@0: %ch = get(gcf,'children');
Daniel@0: %h=[];
Daniel@0: %for i=1:length(ch),
Daniel@0: %  if strcmp(get(ch(i),'type'),'axes'),
Daniel@0: %    h=[h,ch(i)];
Daniel@0: %  end
Daniel@0: %end
Daniel@0: 
Daniel@0: 	
Daniel@0: 
Daniel@0: 
Daniel@0: max_y=0;
Daniel@0: min_y=1;
Daniel@0: 
Daniel@0: oldtitle =0;
Daniel@0: for i=1:length(h),
Daniel@0: 	if (~strcmp(get(h(i),'Tag'),'suptitle')),
Daniel@0: 		pos=get(h(i),'pos');
Daniel@0: 		if (pos(2) < min_y), min_y=pos(2)-ff/5*3;end;
Daniel@0: 		if (pos(4)+pos(2) > max_y), max_y=pos(4)+pos(2)+ff/5*2;end;
Daniel@0: 	else,
Daniel@0: 		oldtitle = h(i);
Daniel@0: 	end
Daniel@0: end
Daniel@0: 
Daniel@0: if max_y > plotregion,
Daniel@0: 	scale = (plotregion-min_y)/(max_y-min_y);
Daniel@0: 	for i=1:length(h),
Daniel@0: 		pos = get(h(i),'position');
Daniel@0: 		pos(2) = (pos(2)-min_y)*scale+min_y;
Daniel@0: 		pos(4) = pos(4)*scale-(1-scale)*ff/5*3;
Daniel@0: 		set(h(i),'position',pos);
Daniel@0: 	end
Daniel@0: end
Daniel@0: 
Daniel@0: np = get(gcf,'nextplot');
Daniel@0: set(gcf,'nextplot','add');
Daniel@0: if (oldtitle),
Daniel@0: 	delete(oldtitle);
Daniel@0: end
Daniel@0: ha=axes('pos',[0 1 1 1],'visible','off','Tag','suptitle');
Daniel@0: ht=text(.5,titleypos-1,str);set(ht,'horizontalalignment','center','fontsize',fs);
Daniel@0: set(gcf,'nextplot',np);
Daniel@0: axes(haold);
Daniel@0: if nargout,
Daniel@0: 	hout=ht;
Daniel@0: end
Daniel@0: 
Daniel@0: 
Daniel@0: