function?magnify（f1）
%
%magnify（f1）
%
%??Figure?creates?a?magnification?box?when?under?the?mouse
%??position?when?a?button?is?pressed.??Press?‘+‘/‘-‘?while
%??button?pressed?to?increase/decrease?magnification.?Press
%??‘>‘/‘<‘?while?button?pressed?to?increase/decrease?box?size.
%??Hold?‘Ctrl‘?while?clicking?to?leave?magnification?on?figure.
%
%??Example:
%?????plot（1:100randn（1100）（1:300）/3rand（1300））?grid?on
%?????magnify;

%?Rick?Hindman?-?7/29/04

if?（nargin?==?0）?f1?=?gcf;?end;
set（f1?...
???‘WindowButtonDownFcn‘??@ButtonDownCallback?...
???‘WindowButtonUpFcn‘?@ButtonUpCallback?...
???‘WindowButtonMotionFcn‘?@ButtonMotionCallback?...
???‘KeyPressFcn‘?@KeyPressCallback）;
return;

function?ButtonDownCallback（srceventdata）
???f1?=?src;
???a1?=?ge

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4227??2017-09-17?14:54??magnify.m

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?????????????????4227????????????????????1