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mtit.m
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%MTIT creates a major title in a figure with many axes
%
% MTIT
% - creates a major title above all
% axes in a figure
% - preserves the stack order of
% the axis handles
%
%SYNTAX
%-------------------------------------------------------------------------------
% P = MTIT(TXT,[OPT1,...,OPTn])
% P = MTIT(FH,TXT,[OPT1,...,OPTn])
%
%INPUT
%-------------------------------------------------------------------------------
% FH : a valid figure handle [def: gcf]
% TXT : title string
%
% OPT : argument
% -------------------------------------------
% xoff : +/- displacement along X axis
% yoff : +/- displacement along Y axis
% zoff : +/- displacement along Z axis
%
% title modifier pair(s)
% -------------------------------------------
% TPx : TVx
% see: get(text) for possible
% parameters/values
%
%OUTPUT
%-------------------------------------------------------------------------------
% par : parameter structure
% .pos : position of surrounding axis
% .oh : handle of last used axis
% .ah : handle of invisible surrounding axis
% .th : handle of main title
%
%EXAMPLE
%-------------------------------------------------------------------------------
% subplot(2,3,[1 3]); title('PLOT 1');
% subplot(2,3,4); title('PLOT 2');
% subplot(2,3,5); title('PLOT 3');
% axes('units','inches',...
% 'color',[0 1 .5],...
% 'position',[.5 .5 2 2]); title('PLOT 41');
% axes('units','inches',...
% 'color',[0 .5 1],...
% 'position',[3.5 .5 2 2]); title('PLOT 42');
% shg;
% p=mtit('the BIG title',...
% 'fontsize',14,'color',[1 0 0],...
% 'xoff',-.1,'yoff',.025);
% % refine title using its handle <p.th>
% set(p.th,'edgecolor',.5*[1 1 1]);
% created:
% us 24-Feb-2003 / R13
% modified:
% us 24-Feb-2003 / CSSM
% us 06-Apr-2003 / TMW
% us 13-Nov-2009 17:38:17
%
% Copyright (c) 2009, urs (us) schwarz
% All rights reserved.
%
% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions are
% met:
%
% * Redistributions of source code must retain the above copyright
% notice, this list of conditions and the following disclaimer.
% * Redistributions in binary form must reproduce the above copyright
% notice, this list of conditions and the following disclaimer in
% the documentation and/or other materials provided with the distribution
%
% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
% POSSIBILITY OF SUCH DAMAGE.
%-------------------------------------------------------------------------------
function par=mtit(varargin)
defunit='normalized';
if nargout
par=[];
end
% check input
if nargin < 1
help(mfilename);
return;
end
if isempty(get(0,'currentfigure'))
disp('MTIT> no figure');
return;
end
vl=true(size(varargin));
if ischar(varargin{1})
vl(1)=false;
figh=gcf;
txt=varargin{1};
elseif any(ishandle(varargin{1}(:))) &&...
ischar(varargin{2})
vl(1:2)=false;
figh=varargin{1};
txt=varargin{2};
else
error('MTIT> invalid input');
end
vin=varargin(vl);
[off,vout]=get_off(vin{:});
% find surrounding box
ah=findall(figh,'type','axes');
if isempty(ah)
disp('MTIT> no axis');
return;
end
oah=ah(1);
ou=get(ah,'units');
set(ah,'units',defunit);
ap=get(ah,'position');
if iscell(ap)
ap=cell2mat(get(ah,'position'));
end
ap=[ min(ap(:,1)),max(ap(:,1)+ap(:,3)),...
min(ap(:,2)),max(ap(:,2)+ap(:,4))];
ap=[ ap(1),ap(3),...
ap(2)-ap(1),ap(4)-ap(3)];
% create axis...
xh=axes('position',ap);
% ...and title
th=title(txt,vout{:});
tp=get(th,'position');
set(th,'position',tp+off);
set(xh,'visible','off','hittest','on');
set(th,'visible','on');
% reset original units
ix=find(~strcmpi(ou,defunit));
if ~isempty(ix)
for i=ix(:).'
set(ah(i),'units',ou{i});
end
end
% ...and axis' order
uistack(xh,'bottom');
axes(oah); %#ok
if nargout
par.pos=ap;
par.oh=oah;
par.ah=xh;
par.th=th;
end
end
%-------------------------------------------------------------------------------
function [off,vout]=get_off(varargin)
% search for pairs <.off>/<value>
off=zeros(1,3);
io=0;
for mode={'xoff','yoff','zoff'};
ix=strcmpi(varargin,mode);
if any(ix)
io=io+1;
yx=find(ix);
ix(yx+1)=1;
off(1,io)=varargin{yx(end)+1};
varargin=varargin(xor(ix,1));
end
end
vout=varargin;
end
%-------------------------------------------------------------------------------