实例37：滑标的使用 h0=figure('toolbar','none',...
'position',[200 150 450 250],... 'name','实例37'); [x,y]=meshgrid(-8:0.5:8); r=sqrt(x.^2+y.^2)+eps; z=sin(r)./r; h0=mesh(x,y,z); h1=axes('position',... [0.2 0.2 0.5 0.5],... 'visible','off'); htext=uicontrol(gcf,...
'units','points',... 'position',[20 30 45 15],... 'string','brightness',... 'style','text'); hslider=uicontrol(gcf,...
'units','points',...
'position',[10 10 300 15],... 'min',-1,... 'max',1,...
'style','slider',... 'callback',...
'brighten(get(hslider,''value''))');
实例38：多选菜单 h0=figure('toolbar','none',...
'position',[200 150 450 250],... 'name','实例38');
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/5.txt[2010/5/14 1:14:31]
[x,y]=meshgrid(-8:0.5:8); r=sqrt(x.^2+y.^2)+eps; z=sin(r)./r; h0=mesh(x,y,z); hlist=uicontrol(gcf,'style','listbox',...
'string','default|spring|summer|autumn|winter',... 'max',5,... 'min',1,...
'position',[20 20 80 100],... 'callback',[... 'k=get(hlist,''value'');,',... 'switch k,',... 'case 1,',...
'colormap default,',... 'case 2,',...
'colormap spring,',... 'case 3,',...
'colormap summer,',... 'case 4,',...
'colormap autumn,',... 'case 5,',...
'colormap winter,',... 'end']);
实例39：菜单控制的使用 h0=figure('toolbar','none',...
'position',[200 150 450 250],... 'name','实例39'); x=0:0.5:2*pi;
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/5.txt[2010/5/14 1:14:31]
y=cos(x); h=plot(x,y); grid on
set(gcf,'toolbar','none') hm=uimenu('label','example'); huidiao1=[...
'set(hm_gridon,''checked'',''on''),',... 'set(hm_gridoff,''checked'',''off''),',... 'grid on'];
huidiao2=[...
'set(hm_gridoff,''checked'',''on''),',... 'set(hm_gridon,''checked'',''off''),',... 'grid off'];
hm_gridon=uimenu(hm,'label','grid on',... 'checked','on',... 'callback',huidiao1);
hm_gridoff=uimenu(hm,'label','grid off',... 'checked','off',... 'callback',huidiao2);
实例40：UIMENU菜单的应用 h0=figure('toolbar','none',...
'position',[200 150 450 250],... 'name','实例40');
h1=uimenu(gcf,'label','函数'); h11=uimenu(h1,'label','轮廓图',... 'callback',[...
'set(h31,''checked'',''on''),',... 'set(h32,''checked'',''off''),',...
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/5.txt[2010/5/14 1:14:31]
'[x,y,z]=peaks;,',... 'contour3(x,y,z,30)']);
h12=uimenu(h1,'label','高斯分布',... 'callback',[...
'set(h31,''checked'',''on''),',... 'set(h32,''checked'',''off''),',... 'mesh(peaks);,',... 'axis tight']); h13=uimenu(h1,'label','Sinc函数',...
'callback',[... 'set(h31,''checked'',''on''),',... 'set(h32,''checked'',''off''),',... '[x,y]=meshgrid(-8:0.5:8);,',... 'r=sqrt(x.^2+y.^2)+eps;,',... 'z=sin(r)./r;,',... 'mesh(x,y,z)']);
h2=uimenu(gcf,'label','色彩'); hl2(1)=uimenu(h2,'label','Default',...
'checked','on',... 'callback',... [...
'set(hl2,''checked'',''off''),',... 'set(hl2(1),''checked'',''on''),',... 'colormap(''default'')']);
hl2(2)=uimenu(h2,'label','spring',... 'callback',... [...
'set(hl2,''checked'',''off''),',... 'set(hl2(2),''checked'',''on''),',...
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/5.txt[2010/5/14 1:14:31]
'colormap(spring)']); hl2(3)=uimenu(h2,'label','Summer',...
'callback',... [...
'set(hl2,''checked'',''off''),',... 'set(hl2(3),''checked'',''on''),',... 'colormap(summer)']);
hl2(4)=uimenu(h2,'label','Autumn',... 'callback',... [...
'set(hl2,''checked'',''off''),',... 'set(hl2(4),''checked'',''on''),',... 'colormap(autumn)']);
hl2(5)=uimenu(h2,'label','Winter',... 'callback',... [...
'set(hl2,''checked'',''off''),',... 'set(hl2(5),''checked'',''on''),',... 'colormap(winter)']);
h3=uimenu(gcf,'label','坐标选项'); h31=uimenu(h3,'label','Axis on',...
'callback',... [...
'axis on,',... 'set(h31,''checked'',''on''),',... 'set(h32,''checked'',''off'')']); h32=uimenu(h3,'label','Axis off',...
'callback',... [...
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/5.txt[2010/5/14 1:14:31]