bodegui.m

ADSP TOOLBOX: Version 2.0 and gui m-files

function bodegui(mode)
% BODEGUI Graphical User Interface program for Bode plots


% ADSP Toolbox: Version 2.0 
% For use with "Analog and Digital Signal Processing", 2nd Ed.
% Published by PWS Publishing Co.
%
% Ashok Ambardar, EE Dept. MTU, Houghton, MI 49931, USA
% http://www.ee.mtu/faculty/akambard.html
% e-mail: [e-mail]
% Copyright (c) 1998

% Assisted by Craig Borghesani
% http://world.std.com/~borg/


v=matverch;
if v<5,
errordlg('This gui is for MATLAB v5 and above','Version Error');
return,
end

if nargin == 0, mode = 0; end

if mode ~= 0,
   f = gcf;
   ui = get(f,'userdata');
   num_edt = ui(3);
   den_edt = ui(8);
   clear_btn = ui(9);
   sig_axs=ui(10);
   opr_axs=ui(20);
   curs_btn = ui(19);
   curs_dsp = ui(15:18);
end

if mode == 0,
   grey = [0.5,0.5,0.5];
   ltgrey = grey*1.5;
   dkgrey = grey*0.5;
   scrn_size = get(0,'screensize');
   fig_w = 620; fig_h = 440;
   flft = (scrn_size(3) - fig_w)/2;
   fbtm = (scrn_size(4) - fig_h)/2;

   ver_str = version;
   ver4    = length(findstr('4.',ver_str));
   if ver4,
      int_str = 'yes';
      f = figure('pos',[flft,fbtm,fig_w,fig_h],'menubar','none',...
            'name','Bode Plots','numbertitle','off',...
            'resize','off','vis','off','interruptible',int_str,...
            'color',dkgrey,'defaultaxesfontsize',10,...
            'defaulttextfontsize',10);
   else
      int_str = 'on';
      eval('f = colordef(''new'',''none'');');
      set(f,'pos',[flft,fbtm,fig_w,fig_h],'menubar','none',...
           'name','Bode Plots','numbertitle','off',...
           'resize','off','vis','off','interruptible',int_str,...
           'color',dkgrey,'defaultaxesfontsize',8,...
           'defaultuicontrolback',[0.5,0.5,0.5],...
           'defaulttextfontsize',8);
   end



% OPTIONS %%
   uim(1) = uimenu('label','OPTIONS');
   uim(2) = uimenu(uim(1),'label','Help and Info','callback','bodehlp');
   uim(3) = uimenu(uim(1),'label','Export Data','separator','on',...
                          'callback','bodegui(15)');
   uim(4) = uimenu(uim(1),'label','Print Figure','separator','on',...
                          'callback','printdlg(gcf)');
   uim(5) = uimenu(uim(1),'label','Close and Exit','separator','on',...
                          'callback','close(gcf)');
   uim(6) = uimenu('label','   Axis Limits','separator','on',...
                          'callback','bodegui(17)');
   uim(7) = uimenu('label','   Zoom ON','separator','on',...
                          'callback','bodegui(18)');
   uim(8) = uimenu('label','   Zoom OFF','separator','on',...
                          'callback','bodegui(19)');
   uim(9) = uimenu('label','   RESIZE','callback','bodegui(20)');

%%%%%%%%%%


   lft = 10; btm = fig_h-5;
   ui(1) = uicontrol('style','frame','pos',[lft-5,btm-100,175,85],...
           'back',grey,'fore',ltgrey);

btm = btm-43;

   ui(2) = uicontrol('style','text','pos',[lft,btm,40,17],...
           'string','Num','back',ltgrey);

   ui(3) = uicontrol('style','edit','pos',[lft+45,btm,120,18],...
           'back','w','string','1');

btm = btm - 22;
   ui(7) = uicontrol('style','text','pos',[lft,btm,40,17],...
           'string','Den','back',ltgrey);
  ui(8) = uicontrol('style','edit','pos',[lft+45,btm,120,18],...
           'string','1 1','back','w');
btm=btm-30;
   ui(4) = uicontrol('style','push','pos',[lft+20,btm,60,20],...
           'string','Accept','callback','bodeplt');


   ui(9) = uicontrol('style','push','pos',[lft+90,btm,60,20],...
           'string','Reset','callback','bodegui(1)');

   btm = btm -30;
   ui(13) = uicontrol('style','text','pos',[lft,btm,70,17],...
           'string','Freq Axis','back',ltgrey);

   ui(14) = uicontrol('style','popup','pos',[lft+75,btm,95,20],...
           'string','rad/s|hertz','back','w',...
           'callback','bodeplt');

btm = btm -270;
   ui(19) = uicontrol('style','check','pos',[lft+95,btm,70,20],...
           'string','Cursor','back','y','callback','bodegui(3)');

   pos = get(f,'pos');
   lef = pos(3)-166;
   bot = pos(4)-21;

   ui(15) = uicontrol('style','text','pos',[lef,bot,20,20],...
           'string','X ','horiz','right','userdata',0);
   ui(16) = uicontrol('style','text','pos',[lef+20,bot,60,20],...
           'string','','back','w');
   ui(17) = uicontrol('style','text','pos',[lef+85,bot,20,20],...
           'string','Y ','horiz','right');
   ui(18) = uicontrol('style','text','pos',[lef+105,bot,60,20],...
           'string','','back','w');
   set(ui(15:18),'vis','off');


%   ui(10) = axes('units','pixel','pos',[210,250,390,160],'box','on',...
   ui(10) = axes('units','pixel','pos',[210,250,390,155],'box','on',...
            'xlim',[0.01,100],'color','k','xcolor','w',...
            'ycolor','w','xscale','log','xgrid','on','ygrid','on');
   title('Actual (y) and Asymptotic (g) Magnitude in dB');
   xlabel('Frequency (log scale)  [rad/s]')
   ui(11) = line('xdata',0,'ydata',0,'color','y');
   ui(12) = line('xdata',0,'ydata',0,'color','g');
   set(ui(10),'userdata',ui(11:12));

%   ui(20) = axes('units','pixel','pos',[210,40,390,160],'box','on',...
   ui(20) = axes('units','pixel','pos',[210,40,390,155],'box','on',...
            'xlim',[0.01,100],'color','k','xcolor','w',...
            'ycolor','w','xscale','log','xgrid','on','ygrid','on');
   title('Actual (y) and Asymptotic (g) Phase (deg)');
   xlabel('Frequency (log scale)  [rad/s]')
   ui(21) = line('xdata',0,'ydata',0,'color','y');
   ui(22) = line('xdata',0,'ydata',0,'color','g');
   set(ui(20),'userdata',ui(21:22));



   set(f,'userdata',ui);
%   set(ui(1),'userdata',ui(10));
   bodeplt;
   drawnow;
   set(f,'vis','on');


elseif mode == 1, % clear
   set(num_edt,'string','1');
   set(den_edt,'string','1 1');
   bodeplt;


elseif mode == 3, % cursor
    if get(curs_btn,'value')
    set(curs_dsp,'vis','on');
    set(f,'WindowButtonMotionFcn','bodegui(4)');
    else
    set(f,'Pointer','arrow','WindowButtonMotionFcn','');
    set(curs_dsp,'vis','off')
    set(curs_btn,'value',0),
    end

elseif mode == 4
       h=gca;
       set(f,'currentaxes',h);
       lim=get(h,'pos');  % get current axis position
       c_p = [lim(1) lim(1)+lim(3) lim(2) lim(2)+lim(4)];
       f_p=get(f,'CurrentPoint'); % get co-ordinates of current point

     if f_p(1) < c_p(1) | f_p(1) > c_p(2) | f_p(2) < c_p(3) | f_p(2) > c_p(4)
        set(f,'Pointer','arrow');
        set(curs_dsp(2),'string','');
        set(curs_dsp(4),'string','');
     else
        curr_pt=get(h,'CurrentPoint');  % get current mouse position
        set(f,'Pointer','crosshair');
        set(curs_dsp(2),'string',num2str(curr_pt(1,1)));
        set(curs_dsp(4),'string',num2str(curr_pt(1,2)));
     end


elseif mode == 15, % Export data
bodeplt;
fstr=get(ui(14),'string');fval=get(ui(14),'value');fstr=fstr(fval,:);
str1=['(Use SEMILOGX to plot) Export EXACT frequency in ' fstr ' as'];
str2='Export EXACT magnitude as';
str3='Export EXACT phase as';
str4=['(Use SEMILOGX to plot) Export asymptotic frequency in ' fstr ' as '];
str5='Export asymptotic magnitude as';
str6='Export asymptotic phase as';
exp_str={str1,str2,str3,str4,str5,str6};
exp_var={'fexact','Mexact','Pexact','fasymp','Masymp','Pasymp'};
expect=inputdlg(exp_str,'Save Variables as',1,exp_var);

if ~isempty(expect)
ht=get(ui(1),'userdata');ha=get(ui(2),'userdata');
if ~isempty(expect{1}),assignin('base',expect{1},ht(:,1));end
if ~isempty(expect{2}),assignin('base',expect{2},ht(:,2));end
if ~isempty(expect{3}),assignin('base',expect{3},ht(:,3));end
if ~isempty(expect{4}),assignin('base',expect{4},ha(:,1));end
if ~isempty(expect{5}),assignin('base',expect{5},ha(:,2));end
if ~isempty(expect{6}),assignin('base',expect{6},ha(:,3));end
end


elseif mode == 16, % Axis Control Help
%Prevent callback error when cursor is on
msgbox([' First click in a plot window.                             ',... 
'                  Then, come back and execute'],...
'Axis Control Info','help')


elseif mode == 17, % Axis Control Execute only when plot is clicked.
cur_axs=[];cur_obj = gco;
   cur_par = get(cur_obj,'parent');
if ~isempty(cur_par)
   if cur_par == f,
      cur_axs = cur_obj;
   else
      cur_axs = cur_par;
   end
end
if isempty(cur_axs),bodegui(16);
else
set(curs_btn,'value',0),  %Prevent callback error when cursor is on
bodegui(3);
if any(cur_axs==ui([10,20])),  %Top or bottom axes
if cur_axs==ui(10),txt='Bode Magnitude';
elseif cur_axs==ui(20),txt='Bode Phase';
end

axlimdlg(txt,[1 1]); %[1 1]=auto +linear/log,  [1 0]=auto, no linear/log
else
bodegui(16);
end
end


elseif mode == 18, % zoom on
set(curs_btn,'value',0);
bodegui(3);                    % Use CURSOR MODE 
if get(ui(15),'userdata')==0  %%Change ui(15) to whatever
zoom on
set(ui(15),'userdata',1);
else
msgbox('Zoom is already ON.','Zoom Info','help')
end

elseif mode == 19, % zoom off
set(curs_btn,'value',0);
bodegui(3);                    % Use CURSOR MODE 
if get(ui(15),'userdata')==1

%%%%%Insert old zoom off here
set(f,'currentaxes',ui(10));
zoom out,zoom reset,zoom off
set(f,'currentaxes',ui(20));
zoom out,zoom reset,zoom off
set(ui(15),'userdata',0);
else
msgbox('Zoom is already OFF.','Zoom Info','help')
end



elseif mode == 20, % mouse functionality
 cur_axs = [];   cur_obj = gco;
   cur_par = get(cur_obj,'parent');


if ~isempty(cur_par)
   if cur_par == f,
      cur_axs = cur_obj;
   else
      cur_axs = cur_par;
   end
end


if isempty(cur_axs),bodegui(16);return,end

   if any(cur_axs == [sig_axs,opr_axs]),
      axes(cur_axs);
         axs_pos = get(cur_axs,'pos');
         if axs_pos(4) == 155, % need to maximize
               set([sig_axs,opr_axs],'vis','off');
            set(cur_axs,'pos',[210,40,390,375],'vis','on');

         else % minimization
              set(sig_axs,'pos',[210,250,390,155],'vis','on');
              set(opr_axs,'pos',[210,40,390,155],'vis','on');
         end
   else
   bodegui(16);
   end


end