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caoweiyue

гæ (СÓÐÃûÆø)

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dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

matlab ¾Í¿ÉÒÔʵÏÖ£¬
¶¯Ì¬ÏÔʾÊó±êµÄ×ø±êÖµºÍÏñËØÖµ£¬¾ßÌåµÄʵÏÖ·½·¨ºÜ¶à£¬µ«¹é½áÆðÀ´¾ÍÊÇ»ñÈ¡×ø±êÖáµÄcurrent point ÊôÐÔÖµ£¬ÎÒÕâÀï¸ø³öµÄÒ»¸öº¯ÊýÊÇ´Ómathworks »ñÈ¡±úÉÔ×÷Ð޸ĺóµÄ½á¹û£¬ÏàÐŶÔ×öͼÏñ´¦ÀíµÄÅóÓÑÓÐÒ»¶¨µÄ×÷Óá£ÁíÒ»¸ö¾ÍÊÇ×Ô´øµÄpixvalº¯Êý¡£Ë­Óв»Í¬µÄʵÏÖ·½·¨£¬Çë¶à¶à¹²Ïí°¡£¡

function dynpoint(arg,h)
% Show the coordinates of a plot dynamically
%
% To start use:
% dynpoint(h)
% where h is a handle to a figure, axes or e.g. line.
%
% To delete use:
% dynpoint('delete',h)
% where h is a handle to a figure, axes or e.g. line.
% (you may also use: dynpoint delete)
%
% There can only be one dynamic plotter in a figure at a time.
%
% Example:
% subplot(211), hline = plot(sin(1:10))
% subplot(212), plot(sin(1:100))
% dynpoint(hline)

% 2002,6.29

if ~exist('arg','var')
arg = gcf;
end

if ~isstr(arg)
handle = arg;
arg = 'init';
end

switch arg
case 'init'
if ~ishandle(handle)
error('h is not a handle')
end

[h,ax] = h2hax(handle);

% delete old dynamic text object
ht = findobj(h,'tag',[mfilename '_text']);
if any(ht)
delete(ht)
end

% text window at the bottom left corner
% text in centred
uicontrol(h,...
'style','text',...
'pos',[2 2 200 15],...
'tag',[mfilename '_text'],...
'userdata',ax(1))

% do the dynamic thing...
set(h,'windowbuttonmotionfcn',[mfilename ' move'])

case 'move'
ht = findobj(gcbf,'tag',[mfilename '_text']);
ax = overobj('axes');
if ~any(ax)
ax = get(ht,'userdata');
end
p = get(ax,'currentpoint');
set(ht,'string',sprintf('(%g, %g)', p(1), p(3)));

case 'delete'
if ~exist('h','var')
h = gcf;
end
[h,ax] = h2hax(h);
set(h,'windowbuttonmotionfcn','')

ht = findobj(h,'tag',[mfilename '_text']);
delete(ht)

end

% ----------
function [h,ax]=h2hax(handle)

typ = get(handle,'type');
if strcmp(typ,'figure')
h = handle;
ax = findobj(h,'type','axes');
elseif strcmp(typ, 'axes')
h = get(handle,'parent');
ax = handle;
elseif strcmp( get(get(handle,'parent'), 'type'), 'axes' )
ax = get(handle,'parent');
h = get(ax,'parent');
end
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2012-08-25 21:10:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hefeicuiyue

Í­³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
dbb627: ½ð±Ò+1, »¶Ó­½»Á÷ 2012-08-27 19:12:06
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3Â¥2012-08-27 15:14:53
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csgt0

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

²ÊÉ«¹Òͼ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
dbb627: ½ð±Ò+1, ¸ÐлӦÖú 2012-08-27 19:12:15
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4Â¥2012-08-27 18:00:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bd73778

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
csgt0: ½ð±Ò+1, лл 2012-11-26 13:27:00
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5Â¥2012-11-25 06:31:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Tingstar

Ìú³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

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