曲线标记
h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','my second gui');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x),'*');
xlabel('自变量X');
ylabel('函数值Y');
title('标记类型的改变');
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','+',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[60 100 50 20],...
'callback','set(k,''marker'',''+'')');
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','o',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[170 100 50 20],...
'callback','set(k,''marker'',''o'')');
p3=uicontrol('parent',h0,...
'style','pushbutton',...
'string','x',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[280 100 50 20],...
'callback','set(k,''marker'',''x'')');
p4=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor',[1 1 1],...
'fontsize',20,...
'fontweight','demi',...
'string','关闭',...
'position',[150 30 80 60],...
'callback','close');
t1=uicontrol('parent',h0,...
'style','text',...
'string','星号',...
'fontsize',12,...
'fontweight','demi',...
'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
'style','text',...
'string','圆圈',...
'fontsize',12,...
'fontweight','demi',...
'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
'style','text',...
'string','叉号',...
'fontsize',12,...
'fontweight','demi',...
'position',[280 120 50 20]);
修改曲型
h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例48');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x));
xlabel('自变量X');
ylabel('函数值Y');
title('线型的改变');
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','-.',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[60 100 50 20],...
'callback','set(k,''linestyle'',''-.'')');
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string',':',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[170 100 50 20],...
'callback','set(k,''linestyle'','':'')');
p3=uicontrol('parent',h0,...
'style','pushbutton',...
'string','-',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[280 100 50 20],...
'callback','set(k,''linestyle'',''-'')');
p4=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor',[1 1 1],...
'fontsize',20,...
'fontweight','demi',...
'string','关闭',...
'position',[150 30 80 60],...
'callback','close');
t1=uicontrol('parent',h0,...
'style','text',...
'string','点划线',...
'fontsize',12,...
'fontweight','demi',...
'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
'style','text',...
'string','虚线',...
'fontsize',12,...
'fontweight','demi',...
'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
'style','text',...
'string','实线',...
'fontsize',12,...
'fontweight','demi',...
'position',[280 120 50 20]);
指定坐标轴范围
h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例49');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','on');
x=0:0.1:2*pi;
y=sin(x);
plot(x,y);
xlabel('X');
ylabel('Y');
title('坐标轴范围的改变');
h=get(gca,'xlim');
k=get(gca,'ylim');
e1=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(h(1))),...
'horizontalalignment','right',...
'position',[80 120 100 20]);
t1=uicontrol('parent',h0,...
'style','text',...
'string','X轴最小值',...
'position',[100 145 80 20]);
e2=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(h(2))),...
'horizontalalignment','right',...
'position',[80 60 100 20]);
t2=uicontrol('parent',h0,...
'style','text',...
'string','X轴最大值',...
'position',[100 85 80 20]);
e3=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(k(1))),...
'horizontalalignment','right',...
'position',[250 120 100 20]);
t3=uicontrol('parent',h0,...
'style','text',...
'string','Y轴最小值',...
'position',[270 145 80 20]);
e4=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(k(2))),...
'horizontalalignment','right',...
'position',[250 60 100 20]);
t4=uicontrol('parent',h0,...
'style','text',...
'string','X轴最小值',...
'position',[270 85 80 20]);
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','设置',...
'position',[105 10 50 30],...
'callback',[...
'a=str2num(get(e1,''string''));,',...
'b=str2num(get(e2,''string''));,',...
'c=str2num(get(e3,''string''));,',...
'd=str2num(get(e4,''string''));,',...
'axis([a b c d]),',...
'drawnow']);
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[275 10 50 30],...
'callback','close');
绘制不同函数曲线的用户界面
h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例50');
h1=axes('parent',h0,...
'position',[0.29 0.45 0.7 0.5],...
'visible','on');
f=uicontrol('parent',h0,...
'style','frame',...
'position',[5 50 90 400]);
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[150 100 60 40],...
'string','绘图',...
'callback',[...
'm=str2num(get(e1,''string''));,',...
'n=str2num(get(e2,''string''));,',...
'a=get(l1,''value'');,',...
'x=m:0.1:n;',...
'if a==1,',...
'plot(x,sin(x)),',...
'end,',...
'if a==2,',...
'plot(x,cos(x)),',...
'end,',...
'if a==3,',...
'plot(x,exp(x)),',...
'end']);
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[270 100 60 40],...
'string','关闭',...
'callback','close');
l1=uicontrol('parent',h0,...
'style','listbox',...
'position',[10 300 80 80],...
'string','sin(x)|cos(x)|exp(x)',...
'value',1,...
'max',0.5,...
'min',0);
f2=uicontrol('parent',h0,...
'style','text',...
'string','选择函数',...
'fontsize',10,...
'position',[10 380 80 20]);
r1=uicontrol('style','radio',...
'string','grid on',...
'value',0,...
'position',[10 100 60 20],...
'callback',[...
'grid on,',...
'set(r1,''value'',1);,',...
'set(r2,''value'',0)']);
r2=uicontrol('style','radio',...
'string','grid off',...
'position',[10 80 60 20],...
'value',1,...
'callback',[...
'grid off,',...
'set(r2,''value'',1);,',...
'set(r1,''value'',0)']);
e1=uicontrol('parent',h0,...
'style','edit',...
'string',0,...
'position',[20 210 60 20],...
'horizontalalignment','right');
e2=uicontrol('parent',h0,...
'style','edit',...
'string','3',...
'position',[20 150 60 20],...
'horizontalalignment','right');
t1=uicontrol('parent',h0,...
'style','text',...
'string','X from',...
'fontsize',10,...
'position',[20 230 60 20],...
'horizontalalignment','center');
t2=uicontrol('parent',h0,...
'style','text',...
'string','To',...
'fontsize',10,...
'position',[20 170 60 20],...
'horizontalalignment','center');
可设置函数曲线图视角的用户界面
h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例51');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','off');
[x,y]=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
f1=surf(x,y,z);
shading interp
view(-50,30)
camlight left
colormap([1 0 0])
fv=get(h0,'colormap');
ifv=fv;
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','重置',...
'position',[280 120 50 30],...
'callback',[...
'set(s1,''value'',ifv(1));,',...
'set(s2,''value'',ifv(2));,',...
'set(s3,''value'',ifv(3));,',...
'set(h0,''colormap'',ifv)']);
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[280 60 50 30],...
'callback','close');
s1=uicontrol('parent',h0,...
'style','slider',...
'min',0,...
'max',1,...
'value',fv(1),...
'position',[20 150 200 20],...
'callback',[...
's1k=get(s1,''value'');,',...
'fv(1)=s1k;,',...
'set(h0,''colormap'',fv);']);
t1=uicontrol('parent',h0,...
'style','text',...
'string','改变红色成分',...
'position',[20 170 100 20]);
s2=uicontrol('parent',h0,...
'style','slider',...
'min',0,...
'max',1,...
'value',fv(2),...
'position',[20 100 200 20],...
'callback',[...
's2k=get(s2,''value'');,',...
'fv(2)=s2k;,',...
'set(h0,''colormap'',fv);']);
t2=uicontrol('parent',h0,...
'style','text',...
'string','改变绿色成分',...
'position',[20 120 100 20]);
s3=uicontrol('parent',h0,...
'style','slider',...
'min',0,...
'max',1,...
'value',fv(3),...
'position',[20 50 200 20],...
'callback',[...
's3k=get(s3,''value'');,',...
'fv(3)=s3k;,',...
'set(h0,''colormap'',fv);']);
t1=uicontrol('parent',h0,...
'style','text',...
'string','改变蓝色成分',...
'position',[20 70 100 20]);
可设置函数曲线图视角的用户界面
h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例52');
h1=axes('parent',h0,...
'position',[0.15 0.5 0.7 0.5],...
'visible','off');
[x,y]=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
fh=surf(x,y,z);
shading interp
view([-60 30])
fv=get(h1,'view');
fv2=fv;
camlight left
sh1=uicontrol('parent',h0,...
'style','slider',...
'max',1,...
'min',-1,...
'value',fv(1)/180,...
'position',[20 150 200 20],...
'callback',[...
'fv(1)=90*get(sh1,''value'');,',...
'set(h1,''view'',[fv(1) fv(2)]),',...
'set(ed1,''string'',fv(1))']);
text1=uicontrol('parent',h0,...
'style','text',...
'string','方位角的变化滑标',...
'position',[20 170 200 20]);
sh2=uicontrol('parent',h0,...
'style','slider',...
'max',1,...
'min',-1,...
'value',fv(2)/180,...
'position',[20 90 200 20],...
'callback',[...
'fv(2)=90*get(sh2,''value'');,',...
'set(h1,''view'',[fv(1) fv(2)]),',...
'set(ed2,''string'',fv(2))']);
text2=uicontrol('parent',h0,...
'style','text',...
'string','仰角的变化滑标',...
'position',[20 110 200 20]);
ed1=uicontrol('parent',h0,...
'style','edit',...
'string',fv(1),...
'position',[30 30 50 20]);
text3=uicontrol('parent',h0,...
'style','text',...
'string','方位角的数值',...
'position',[20 50 80 20]);
ed2=uicontrol('parent',h0,...
'style','edit',...
'string',fv(2),...
'position',[150 30 50 20]);
text4=uicontrol('parent',h0,...
'style','text',...
'string','仰角的数值',...
'position',[135 50 80 20]);
pf1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','重置',...
'position',[280 120 50 30],...
'callback',[...
'set(h1,''view'',fv2),',...
'set(sh1,''value'',fv2(1)/180),',...
'set(sh2,''value'',fv2(2)/180),',...
'set(ed1,''string'',fv2(1)),',...
'set(ed2,''string'',fv2(2))']);
pf2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[280 60 50 30],...
'callback','close');
