% 關于分形樹的GUI 
% reference: 
% http://id.mind.net/~zona/mmts/geometrySection/fractals/tree/treeFractal.html 
close all 
figure('position',[135 105 646 342]); 
s1='Starting size = '; 
s2='Minimum Size = '; 
s3='Shrink Factor = '; 
s4='Angle = '; 
ss=69.0; 
ms=4.0; 
sf=1.85; 
A=40.0;    % 各參數的初值 
axes('position',[0.5,0.1,0.45,0.8]) 
Fractree(ss,ms,sf,A); 
set(gcf,'DoubleBuffer','on'); 
h1=uicontrol(gcf,'style','slider',... 
  'unit','normalized','position',[0.02,0.7,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','r',... 
  'SliderStep',[0.01,0.01],'callback',['a=get(h1,''value'');',... 
      'ss=fix(10+189*a);','set(t1,''string'',[s1,num2str(ss)]);',... 
      'Fractree(ss,ms,sf,A);'],'value',(ss-10)/189); 
t1=uicontrol(gcf,'style','text',... 
  'unit','normalized','position',[0.02,0.75,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','b',... 
  'string','Starting size = 69.0'); 
h2=uicontrol(gcf,'style','slider',... 
  'unit','normalized','position',[0.02,0.6,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','r',... 
  'SliderStep',[0.01,0.01],'callback',['a=get(h2,''value'');',... 
      'ms=fix(1+48*a);','set(t2,''string'',[s2,num2str(ms)]);',... 
      'Fractree(ss,ms,sf,A);'],'value',(ms-1)/48); 
t2=uicontrol(gcf,'style','text',... 
  'unit','normalized','position',[0.02,0.65,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','b',... 
  'string','Minimum Size = 4.0'); 
h3=uicontrol(gcf,'style','slider',... 
  'unit','normalized','position',[0.02,0.5,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','r',... 
  'SliderStep',[0.01,0.01],'callback',['a=get(h3,''value'');',... 
      'sf=fix(150+349*a)/100;','set(t3,''string'',[s3,num2str(sf)]);',... 
      'Fractree(ss,ms,sf,A);'],'value',(sf*100-150)/349); 
t3=uicontrol(gcf,'style','text',... 
  'unit','normalized','position',[0.02,0.55,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','b',... 
  'string','Shrink Factor = 1.85'); 
h4=uicontrol(gcf,'style','slider',... 
  'unit','normalized','position',[0.02,0.4,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','r',... 
  'SliderStep',[0.01,0.01],'callback',['a=get(h4,''value'');',... 
      'A=fix(179*a);','set(t4,''string'',[s4,num2str(A)]);',... 
      'Fractree(ss,ms,sf,A);'],'value',A/179); 
t4=uicontrol(gcf,'style','text',... 
  'unit','normalized','position',[0.02,0.45,0.4,0.04],... 
  'BackgroundColor',[0.8 0.8 0.8],'ForegroundColor','b',... 
  'string','Angle = 40.0'); 
uicontrol(gcf,'style','text',... 
  'unit','normalized','position',[0.04,0.85,0.3,0.12],... 
  'BackgroundColor',[0.8 0.8 0.9],'ForegroundColor','r',... 
  'string','Fractal tree V1.0','fontsize',16,... 
  'fontname','new times roman');