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·¢ÐÅÈË: bage (×î½ü±È½Ï·³), ÐÅÇø: Matlab
±ê Ìâ: ¾«Í¨Matlab(Ê®Èý)
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Sun Feb 4 14:04:19 2001), תÐÅ
·¢ÐÅÈË: Security (íµË®), ÐÅÇø: MathTools
·¢ÐÅÕ¾: BBS ˮľÇ廪վ (Tue Jun 1 22:40:17 1999)
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function HF=mmgcf
%MMGCF Get Current Figure if it Exists.
% MMGCF returns the handle of the current figure if it exists.
% If no current figure exists,MMGCF returns an empty handle.
%
% Note that the function GCF is different.It creates a figure and returns its handle if it does not % exist.
% Copyright (c) 1996 by Prentice-Hall,Inc.
Hf=get(0, 'Children' ); % check for figure children
if isempty(Hf)
return
else
Hf=get(0, 'CurrentFigure' );
end
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function Ha=mmgca
%MMGCA Get Current Axes if it exists.
% MMGCA returns the handle of the current axes if it exists.
% If no current axes exists,MMGCA returns an empty handle.
%
% Note that the function GCA is diffent.It create a figure and an axes and returns the axes % handle if they do not exist.
% Copyright (c) 1996 by Prentice-Hall,Inc.
Ha=findobj(0, 'Type' , 'axes' );
if isempty(Ha)
return
else
Ha=get(get(0, 'CurrentFigfure' ), 'CurrentAxes' );
end
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function mmzap(arg)
%MMZAP Delete graphics object using mouse.
% MMZAP waits for a mouse click on an object in a figure window and deletes the object.
% MMZAP or MMZAP text erases text objects.
% MMZAP axes erases axes objects.
% MMZAP line erases line objects.
% MMZAP surf erases surface objects.
% MMZAP patch erases patch objects.
%
% Clicking on an object other than the selected type or striking a key on the keyboard aborts % the command.
% Copyright (c) 1996 by Prentice-Hall,Inc.
if nargin<1,arg= 'text' ;end
Hf=mmgcf;
if isempty(Hf),error( 'No Figure Available.' ),end
if length(findobj(0, 'Type' , 'figure' ))==1
figure(Hf) % bring only figure forword
end
key=waitforbuttonpress; % pause untill user takes some action
if key % key on keyboard pressed
return % take no action
else % object selected
object=gco % get object selected by buttonpress
type=get(object, 'Type' );
if all(type(1:4)==arg(1:4)) % delete only if 'Type' is correct
delete(object)
end
end
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? help waitforbuttonpress
WAITFOR BUTTONPRESS Wait for key/buttonpress over figure.
T= WAITFOR BUTTONPRESS stops program execution untill a key or mouse button is pressed over a figure window.Returns 0 when terminated by a mouse buttonpress,or 1 when terminated by a keypress.Additional information
about the terminating event is available from the current figure.
See also GINPUT,GCF.
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function mmline(arg1,arg2, arg3, arg4, arg5, arg6)
%MMLINE Set Line Properties Using Mouse
% MMLINE waites for a mouse click on a line then applies the desired properties to the
% selected line.
% Properties are given in parts,e.g.,MMLINE Name value...
% Properties:
% NAME VALUE{default}
% color [Y m c r g b w k] or an RGB in quotes: '[r g b]'
% style [- -- ; -.]
% mark [o + . * X]
% width points for linewidth {0.5}
% size points for marker size {6}
% zap (n.a.) delete selected line
% Examples:
% MMLINE color r width 2 sets color to red and width to 2 points
% MMLINE mark + size 8 sets marker type to + and size to 8 points
%
% Clicking on an object other than a line,or striking a key on the keyboard aborts the
% command.
% Copyright (c) 1996 by Prentice-Hall,Inc.
Hf=mmgcf;
if isempty(Hf),error( 'No Figure Avaiable.' ),end
if length(get(0, 'Children' ))==1
figure(Hf) % bring only figure forword
end
key=waitforbuttonpress;
if key % key on keyboard pressed
return
else % object selected
Hl=gco
if strcmp(get(Hl, 'Type' ), 'line' ) % line object selected
for i=1:2:max(nargin-1,1)
Name=eval(sprintf( 'arg%.0f ' ,i),[]); get Name argument
if strcmp(Name, 'zap' )
delete(Hl),return
end
value=eval(sprintf( 'arg%.0f ' ,i+1),[]); % get value
if strcmp(Name, 'color' )
set(Hl, 'Color' ,value)
elseif strcmp(Name, 'style' )
set(Hl, 'Linestyle' ,value)
elseif strcmp(Name, 'mark' )
set(Hl, 'Linestyle' ,value)
elseif strcmp(Name, 'width' )
value=abs(eval(value))
set(Hl, 'LineWidth' ,value)
elseif strcmp(Name, 'size' )
value=abs(eval(value))
set(Hl, 'MarkerSize' ,value)
else
disp([ 'Unknown Property Name: ' Name'])
end
end
end
end
¾«Í¨MATLAB¹¤¾ßÏäÖеĺ¯ÊýmmpaperÒÔ¼òµ¥µÄ·½Ê½²ûÊöÁ˶ÔÖ½ÕÅÊôÐÔµÄʹÓá£ÈçÏÂËùʾ£¬º¯ÊýmmpaperÉèÖõ±Ç°Í¼ÐεÄÖ½ÕÅÊôÐÔ£¬²¢½«ËùÓÐÒÔºóµÄͼÐÎÉè³Éȱʡֵ¡£º¯ÊýmmpageÔÚÏÂÒ»ÕÂÌÖÂÛ£¬ËüÊÇÒ»¸ömmpaperÓѺ¯Êý¡£mmpage½¨Á¢Ò»¸öͼÐÎÓû§½çÃ棬É趨ͼÐÎÔÚ´òÓ¡Ò³ÉϵÄλÖá£
function mmpaper(arg1,arg2,arg3,arg4,arg5,arg6)
%MMPAPER Set Default Paper Properties.
% MMPAPER Name value...
% sets default paper properties for the current figure and succeeding figures based on Name % value pairs.
% Properties:
% NAME VALUE {default}
% Units [{inches},centimeters,points,normal]
% orient [{portrait},landscape]
% type [{usletter},uslegal,a3,a4letter,a5,b4,tabloid]
%
% Examples:
% MMPAPER Units inch orient landscape
% MMPAPER type tabloid
%
% MMPAPER with no arguments returns the current paper defaults.
% Copyright (c) 1996 by Prentice-Hall,Inc.
Hf=mmgcf;
flag=0;
if isempty(Hf)
flag=1;
Hf=figure( 'Visible' , 'off ' );
end
if nargin
for i=1:2:max(nargin-1,1)
Name=eval(sprintf( 'arg%.0f ' ,i)0,[]); % get Name argument
value=eval(sprintf( 'arg%.0f ' ,i+1)0,[]); % get Name argument
if Name(1)== 'o'
set(0, 'DefaultFigurePaperOrientation' ,value)
set(Hf, 'PaperOrientation' ,value)
elseif Name(1)== 't'
set(0, 'DefaultFigurePaperType' ,value)
set(Hf, 'PaperType' ,value)
elseif Name(1)== 'u'
set(0, 'DefaultFigurePaperUnits' ,value)
set(Hf, 'PaperUnits' ,value)
else
disp([ 'Unknown Property Name:' Name])
ens
end
end
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function Y=mmpx2n(X,Hf)
%MMPX2N Pixel to Normalized Coordinate Transformation.
% MMPX2N(X) converts the Position vector X from pixel coordinates to normalized
% coordinates w.r.t.the computer screen.
%
% MMPX2N converts the Position vector X from pixel coordinate to narmalized coordinates
% w.r.t.the figure windoiw having handle H.
%
% X=[left bottom width height] or X=[width height]
% Copyright (c) 1996 by Prentice-Hall,Inc.
msg= 'Input is not a pixel Position vector.' ;
lx=length(X);
sz= 'Position' ;
if nargin==1,Hf=0;sz= 'ScreenSize' ;end
if any(X<1)| (lx~=4&lx~=2)
error(msg)
end
if lx==2,X=[1 1 X(:)' ];end % [width height] input format
u=get(Hf, 'Units' ); % get Units
set (Hf, 'Units' , 'pixels' ); % set Units to pixels
s=get(Hf,sz);
Y=(X-1)./([s(3:4)]-1); % convert
set(Hf, 'Units' ,u); % reset Units
if any(Y>1)
error(msg)
end
if lx==2,Y=Y(3:4);end % [width height] output format
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