tfrqview.m

matlab文件操作的典型 例子

   SpectrumStr='remove spectrum';
  end;

  if ~issig & ~isspec,
   if isgridtfr,
    GridStr='Remove the grid';
   else
    GridStr='Add a grid';
   end;
  else
   GridStr='Grids';
  end;
 
  if iscolorbar==0,
   ColorbarStr='display colorbar';
  else
   ColorbarStr='remove colorbar';
  end;
  
  layout=menu('DISPLAY LAYOUT',...
               SignalStr,...
               SpectrumStr,...
               GridStr,...
               ColorbarStr,...
              'cancel');
            
  if layout==1,
   issig=~issig;
   if issig==1, 
    if isempty(sig),
     disp('Impossible action : the signal is unavailable'); issig=0; CallTfrView=0;
    else
     sigenveloppe=menu('SIGNAL REPRESENTATION','signal only','signal with enveloppe')-1;
     CallTfrView=1;
    end;
   else
    isgridsig=0;
   end; 
  elseif layout==2,   
   isspec=~isspec;
   if isspec==1,
    if isempty(sig),
     disp('Impossible action : the signal is unavailable'); isspec=0; CallTfrView=0;
    else    
     linlogspec=menu('FREQUENCY REPRESENTATION','linear scale','log scale')-1;
     CallTfrView=1;
    end;
   else
    isgridspec=0;
   end;

  elseif layout==3,

   if ~issig & ~isspec,	                 % No signal and no spectrum
    isgridtfr=1-isgridtfr; 
    CallTfrView=1;  

   elseif issig & ~isspec,               % A signal, no spectrum 
    Grid=1;
    if ~isgridsig,
     gridsigstr='add a grid on the signal';
    else
     gridsigstr='remove the grid on the signal';
    end

    if ~isgridtfr,
     gridtfrstr='add a grid on the TFR';
    else
     gridtfrstr='remove the grid on the TFR';
    end

    Grid=menu('GRID MENU :',gridsigstr,gridtfrstr,'cancel');
    if Grid==1,
     isgridsig=1-isgridsig; CallTfrView=1;
    elseif Grid==2,
     isgridtfr=1-isgridtfr; CallTfrView=1;
    else
     CallTfrView=0;
    end

   elseif ~issig & isspec,               % No signal, a spectrum
    Grid=1;
    if ~isgridspec,
     gridspestr='add a grid on the spectrum';
    else
     gridspestr='remove the grid on the spectrum';
    end
    if ~isgridtfr,
     gridtfrstr='add a grid on the TFR';
    else
     gridtfrstr='remove the grid on the TFR';
    end
    Grid=menu('GRID MENU :',gridspestr,gridtfrstr,'Close');
    if Grid==1,
     isgridspec=1-isgridspec; CallTfrView=1;
    elseif Grid==2,
     isgridtfr=1-isgridtfr; CallTfrView=1;
    else CallTfrView=0;
    end

  else                                  % A signal and a spectrum
   Grid=1;
   if ~isgridsig,
    gridsigstr='add a grid on the signal';
   else
    gridsigstr='remove the grid on the signal';
   end
   if ~isgridspec,
    gridspestr='add a grid on the spectrum';
   else
    gridspestr='remove the grid on the spectrum';
   end
   if ~isgridtfr,
    gridtfrstr='add a grid on the TFR';
   else
    gridtfrstr='remove the grid on the TFR';
   end
   Grid=menu('GRID MENU :',gridsigstr,gridspestr,gridtfrstr,'cancel');
   if Grid==1,
    isgridsig=1-isgridsig; CallTfrView=1;
   elseif Grid==2,
    isgridspec=1-isgridspec; CallTfrView=1;
   elseif Grid==3,
    isgridtfr=1-isgridtfr; CallTfrView=1;
   else CallTfrView=0;
   end
  end


  elseif layout==4,
   iscolorbar=~iscolorbar; CallTfrView=1;
  elseif layout==5,
   CallTfrView=0;
  end;             
  
 elseif (choice==ChoiceSampling),                   % Change the sampling frequency 

  fprintf(' Old sampling frequency: %f\n',fs); 
  fsold=fs; fs=input(' New sampling frequency: ');
  if isempty(fs),
   fs=fsold; CallTfrView=0;
  else
   CallTfrView=1;
  end; 
 elseif (choice==ChoiceFreqBounds),                 % Change the frequency bounds
  CallTfrView=0;

     fprintf(' Old smallest normalized frequency : %f\n',fmin); fminold=fmin; 
  fmin=input(' New smallest normalized frequency : ');
  if isempty(fmin),
   fmin=fminold; 
  elseif fmin>0.5,
   fprintf('normalized frequency desired ! value unmodified\n');
   fmin=fminold; 
  else
   CallTfrView=1;
  end; 

     fprintf(' Old highest normalized frequency  : %f\n',fmax); fmaxold=fmax; 
  fmax=input(' New highest normalized frequency  : ');
  if isempty(fmax),
   fmax=fmaxold; 
  elseif fmax>0.5,
   fprintf('normalized frequency desired ! value unmodified\n');
   fmax=fmaxold;
  else
   CallTfrView=1;
  end; 
  
 elseif (choice==ChoiceThreshold),                  % Change the threshold

  fprintf(' Old threshold: %f\n', threshold); throld=threshold;
  threshold=input(' New threshold: ');
  if isempty(threshold),
   threshold=throld; CallTfrView=0;
  else
   CallTfrView=1;
  end

 elseif (choice==ChoiceLinlog),                     % Change the lin/log scale of tfr

  linlogtfr=1-linlogtfr;

 elseif (choice==ChoiceRedraw),                           % redraw ?
  RefreshFigure=1-RefreshFigure;
  if RefreshFigure==1, CallTfrView=1; end;

 elseif (choice==ChoiceNewFigure),                        % new figure
  figure; CallTfrView=1;

 elseif (choice==ChoiceSaveResults),                      % Save the results

  f=freq*fs;
  Nmethod=length(method);
  if comp(1:2)=='PC',
   DefaultName=[method(4:Nmethod),num2str(Nsig),'.mat'];
   [name,PathWorkDir] = uiputfile(DefaultName, 'Save As');
  else
   DefaultName=[method(4:Nmethod),num2str(Nsig)];
   nameStr=[' Name of the MAT file [',DefaultName,'] : '];
   name=input(nameStr,'s'); 
   while (length(name)>8),
    disp(' The name must have less than 8 characters');
    name=input(nameStr,'s'); 
   end
   if isempty(name),
    name=DefaultName;
   end
   PathWorkDir='';
  end
  linlog=linlogtfr+2*linlogspec+4*sigenveloppe;
  isgrid=isgridsig+2*isgridspec+4*isgridtfr;
  param = [display,linlog,threshold,levelnumb,Nf2,layout,fs,isgrid,fmin,fmax];
  SavedColorMap=colormap;
  if (nargin<=4),
   TfrQView=['colormap(SavedColorMap); tfrqview(tfr,sig,t,method)'];
   TfrView =['clf;colormap(SavedColorMap); tfrview(tfr,sig,t,method,param)'];
   eval(['save ',PathWorkDir,name,...
         ' tfr sig t f fs method param SavedColorMap TfrView TfrQView']);
  elseif (nargin==5),
   TfrQView=['colormap(SavedColorMap); tfrqview(tfr,sig,t,method,p1)'];
   TfrView =['clf; colormap(SavedColorMap); tfrview(tfr,sig,t,method,param,p1)']; 
   eval(['save ',PathWorkDir,name, ...
         ' tfr sig t f fs method param p1 SavedColorMap TfrView TfrQView']);
  elseif (nargin==6),
   TfrQView=['colormap(SavedColorMap); tfrqview(tfr,sig,t,method,p1,p2)'];
   TfrView =['clf; colormap(SavedColorMap); tfrview(tfr,sig,t,method,param,p1,p2)'];
   eval(['save ',PathWorkDir,name,...
         ' tfr sig t f fs method param p1 p2 SavedColorMap TfrView TfrQView']);
  elseif (nargin==7),
   TfrQView=['colormap(SavedColorMap); tfrqview(tfr,sig,t,method,p1,p2,p3)'];
   TfrView =['clf; colormap(SavedColorMap); tfrview(tfr,sig,t,method,param,p1,p2,p3)'];
   eval(['save ',PathWorkDir,name,...
         ' tfr sig t f fs method param p1 p2 p3 SavedColorMap TfrView TfrQView']);
  elseif (nargin==8),
   TfrQView=['colormap(SavedColorMap); tfrqview(tfr,sig,t,method,p1,p2,p3,p4)'];
   TfrView =['clf; colormap(SavedColorMap); tfrview(tfr,sig,t,method,param,p1,p2,p3,p4)'];
   eval(['save ',PathWorkDir,name,...
         ' tfr sig t f fs method param p1 p2 p3 p4 SavedColorMap TfrView TfrQView']);
  elseif (nargin==9),
   TfrQView=['colormap(SavedColorMap); tfrqview(tfr,sig,t,method,p1,p2,p3,p4,p5)'];
   TfrView =['clf; colormap(SavedColorMap); tfrview(tfr,sig,t,method,param,p1,p2,p3,p4,p5)'];
   eval(['save ',PathWorkDir,name,...
         ' tfr sig t f fs method param p1 p2 p3 p4 p5 SavedColorMap TfrView TfrQView']);
  end;
  disp(' ');
  fprintf('The file is saved in the directory %s\n',PathWorkDir);
  fprintf('under the name %s\n',name);

  fprintf('If you want to find again the exact layout of this screen, do\n');
  fprintf('load %s%s; eval(TfrView);\n\n', PathWorkDir,name);
  fprintf('If you want to restart the display session under tfrqview, do\n');
  fprintf('load %s%s; eval(TfrQView);\n',PathWorkDir,name);
  CallTfrView=0;

 elseif (choice==ChoiceSaveOptions),                 % Save options
  SavedColorMap=colormap;
  save options fs fmin fmax threshold linlogtfr linlogspec levelnumb  ...
       display layout colmap SavedColorMap iscolorbar  ...
       isgridsig isgridspec isgridtfr issig sigenveloppe isspec;
  fprintf('\n Options saved\n');
  CallTfrView=0;
 
 elseif (choice==ChoicePrint),	                     % Print the current figure

  Nmethod=length(method);
  TFTBDevice = MENU('Choose a device',...
                    '-deps','-depsc','-deps2','-depsc2','-djpeg','-dtiff','other','cancel');
  if TFTBDevice==1,
   TFTBDeviceName='-deps '  ; TFTBExtension='.eps';
  elseif TFTBDevice==2,
   TFTBDeviceName='-depsc ' ; TFTBExtension='.eps';
  elseif TFTBDevice==3,
   TFTBDeviceName='-deps2 ' ; TFTBExtension='.eps';
  elseif TFTBDevice==4,
   TFTBDeviceName='-depsc2 '; TFTBExtension='.eps';
  elseif TFTBDevice==5,
   TFTBDeviceName='-djpeg ' ; TFTBExtension='.jpg';
  elseif TFTBDevice==6,
   TFTBDeviceName='-dtiff ' ; TFTBExtension='.tif';
  elseif TFTBDevice==7,
   TFTBDeviceName=input('device option : ','s'); ; TFTBDeviceName=[TFTBDeviceName,' '];
   TFTBExtension =input('file extension : ','s'); ;
  end;
  if TFTBDevice~=8,
   if comp(1:2)=='PC',
    DefaultName=[method(4:Nmethod),num2str(Nsig),TFTBExtension];
    [name,PathWorkDir] = uiputfile(DefaultName, 'Save As');
   else
    DefaultName=[method(4:Nmethod),num2str(Nsig),TFTBExtension];
    nameStr=[' file name [',DefaultName,'] : '];
    name=input(nameStr,'s'); 
    while (length(name)>8),
     disp('The name must have less than 8 characters');
     name=input(nameStr,'s'); 
    end
    if isempty(name),
     name=DefaultName;
    end
   end
   % ['print ', TFTBDeviceName, PathWorkDir, name]
   eval(['print ', TFTBDeviceName, PathWorkDir, name]); 
   fprintf(' The file is saved in the directory %s\n',PathWorkDir);
   fprintf('under the name %s\n',name);
  end;
  CallTfrView=0;

 end;

end;

% good bye. I hope that everything happened fine.