[matlab] relocate an object in the figure window

function movePosition(myh,myfrac,opt) % move an object to a new location relative to current axes % usage: %      movePosition(obj-handle,fraction,opt) %             opt: 'x' ==> x-coordiante is given in fraction of xlim %                    'y' ==> y-coordiante is given in fraction of ylim %                  'xy' ==> both x,y-coordiante is given in fraction %                                (could be a 2-element vector) % http://scriptdemo.blogspot.ca if nargin~=3    help movePosition    return end if numel(myh)>1    for nh=1:numel(myh)        movePosition(myh(nh),myfrac,opt);    end    return end if ~ishandle(myh)    error('need a valid object handle') end oriPos=get(myh,'position'); if isempty(oriPos)     error('no position attribute is available') end if isnumeric(opt)    oriPos(1)=myfrac;    oriPos(2)=opt; else    switch lower(opt)     case {'x'}         cXLim=get(gca,'xlim');         oriPos(1)=oriPos(1)+myfrac*(cXLim(2)-cXLim(1));     case {'y'}         cYLim=get(gca,'ylim');         oriPos(2)=oriPos(2)+myfrac*(cYLim(2)-cYLim(1));     case {'xy'}         if numel(myfrac)==1             myfrac=[myfrac myfrac];         end         cXLim=get(gca,'xlim');         oriPos(1)=oriPos(1)+myfrac(1)*(cXLim(2)-cXLim(1));         cYLim=get(gca,'ylim');         oriPos(2)=oriPos(2)+myfrac(2)*(cYLim(2)-cYLim(1));     otherwise         error(['unknown opt: ',opt])    end end set(myh,'position',oriPos);