www.pudn.com > snake_program.rar > menu3.m


%%%%%%%%%% MENU 3 %%%%%%%%%% 
 
function menu3(action,varargin) 
if nargin<1, 
   action='Initialize'; 
end; 
 
feval(action,varargin{:}); 
return; 
 
function Initialize() 
 
%%%% image processing variables 
global Image1;							% original image 
global Image2;							% blured image 
global sigma; 
global mu; 
global NoGVFIterations;				% number of iterations 
global NoSnakeIterations;		   % number of Snake iterations 
global VectorFieldButt;				 
global alpha beta gamma kappa dmin dmax;		% parameters for the snake 
global px py;											% forse filed 
global IncSnakeRadius;								% inicializaton snake radius 
global XSnake YSnake;				% conture of the snake 
 
%%%% interface variables 
global VectorOfLocalMenuHD;		%vector of local objects that can be arased in next step 
global HDmainf;			 			%main figure handle 
global HDorigPic;						%original picture axes handle 
global HDbluredPic;				   %blured picture axes handle 
global HDvectorFPic;					%handle of vector field picture 
global HDedit1 HDedit2 HDedit3 HDedit4 HDedit5 HDedit6 HDedit7; % handels of snake edit uicontrol 
global HDSnakeLine;					%vector of Handles of Snake lines on the picture 
global HDedit8 HDedit9 HDRadioButton1 HDRadioButton2; 
global HDButton1 HDButton2 HDButton4; 
global SnakeON;						%indicate if snake is visible 
global CircleOn;						% inicalization snake will be circle 
global SnakeDotsON;				      % 1 if snake dots should be displeyed 
 
global xsize ysize;					%size of the picture 
 
global adgeD MinSize MenuSizeX MenuSizeY MenuPosX MenuPosY; 
global ButtHeight ButtWidth ButtDist TextHeight; 
global DotsSize;						% size in pixels of the dots on the snake 
 
 
    
%%%%%% Close Old Objects %%%%%%%% 
if ~isempty(VectorOfLocalMenuHD)  
   delete(VectorOfLocalMenuHD);  
   VectorOfLocalMenuHD=[]; 
end; 
pause(0.1); 
 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
%% Define menu objects 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 
%plot the border for the menu 
MenuSizeY=365; 
MenuPosX=xsize*2+3*adgeD; 
MenuPosY=ysize*2+3*adgeD-8-MenuSizeY; 
HDMenuAxes=uicontrol( 'Parent',HDmainf , ... 
   'Style','frame', ... 
   'Units','pixels', ... 
   'Position',[MenuPosX MenuPosY MenuSizeX MenuSizeY],... 
   'BackgroundColor',[0.45 0.45 0.45]); 
 
% Deform 
labelStr='Deform'; 
ButtPosX=MenuPosX+0.5*ButtDist+MenuSizeX/2; 
ButtPosY=MenuPosY+MenuSizeY-ButtDist-ButtHeight; 
ButtWidth=MenuSizeX/2-1.5*ButtDist; 
 
HDButton1=uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','pushbutton', ... 
   'Units','pixels', ... 
   'Position',[ButtPosX ButtPosY ButtWidth ButtHeight], ... 
   'String',labelStr, ... 
   'Enable','on', ... 
   'Callback','SnakeIter'); 
 
% The BACK button 
labelStr='<-- Back'; 
ButtPosX=MenuPosX+ButtDist; 
HDButton2=uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','pushbutton', ... 
   'Units','pixels', ... 
   'Position',[ButtPosX ButtPosY ButtWidth ButtHeight], ... 
   'String',labelStr, ... 
   'Enable','on', ... 
   'Callback','menu2'); 
 
% UICONTROL for alpha 
 
ButtWidth=MenuSizeX-2*ButtDist; 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext1 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Alpha:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
callbackStr = 'snakeset'; 
stringVal=num2str(alpha); 
HDedit1 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',alpha, ... 
   'UserData',alpha,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
% UICONTROL for beta 
 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext2 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Beta:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(beta); 
HDedit2 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',beta, ... 
   'UserData',beta,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
% UICONTROL for gamma 
 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext3 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Gamma:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(gamma); 
HDedit3 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',gamma, ... 
   'UserData',gamma,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
% UICONTROL for kappa 
 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext4 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Kappa:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(kappa); 
HDedit4 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',kappa, ... 
   'UserData',kappa,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
% UICONTROL for dmin 
 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext5 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Dmin:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(dmin); 
HDedit5 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',dmin, ... 
   'UserData',dmin,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
% UICONTROL for dmax 
 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext6 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Dmax:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(dmax); 
HDedit6 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',dmax, ... 
   'UserData',dmax,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
 
% UICONTROL for number of snake iterations  
 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX+0.1*ButtWidth ButtPosY ButtWidth*0.5 TextHeight]; 
HDtext7 = uicontrol('Parent', HDmainf, ... 
   'Style','text', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Iterat.:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white'); 
 
 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(NoSnakeIterations); 
HDedit7 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',NoSnakeIterations, ... 
   'UserData',NoSnakeIterations,... 
   'Enable','on',... 
   'callback',callbackStr); 
 
% The Manual 
labelStr='Manual'; 
ButtPosX=MenuPosX+0.5*ButtDist+MenuSizeX/2; 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
ButtWidth=MenuSizeX/2-1.5*ButtDist; 
 
HDButton3=uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','pushbutton', ... 
   'Units','pixels', ... 
   'Position',[ButtPosX ButtPosY ButtWidth ButtHeight], ... 
   'String',labelStr, ... 
   'Enable','on', ... 
   'Callback','menu3(''ManualSnakeON'')'); 
 
% The Inic 
labelStr='Initial.'; 
ButtPosX=MenuPosX+ButtDist; 
HDButton4=uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','pushbutton', ... 
   'Units','pixels', ... 
   'Position',[ButtPosX ButtPosY ButtWidth ButtHeight], ... 
   'String',labelStr, ... 
   'Enable','on', ... 
   'Callback','menu3(''InicSnake'')'); 
 
 
% UICONTROL for Radius of snake 
ButtWidth=MenuSizeX-2*ButtDist; 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX ButtPosY ButtWidth*0.5 TextHeight]; 
HDRadioButton1 = uicontrol('Parent', HDmainf, ... 
   'Style','CheckBox', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Radius:', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white',... 
   'Callback','menu3(''CallbackRadius'')',... 
   'Value',CircleOn); 
 
if (CircleOn==1)  
   en='On';  
else  
   en='Off';  
end; 
callbackStr='menu3(''RadiusChange'')'; 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(IncSnakeRadius); 
HDedit8 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',IncSnakeRadius, ... 
   'UserData',IncSnakeRadius,... 
   'Enable',en,... 
   'callback',callbackStr); 
 
% UICONTROL for Dots on the snake 
if (SnakeDotsON==0 ) 
   value=0; 
else value=1; end; 
    
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
labelPos=[ButtPosX ButtPosY ButtWidth*0.5 TextHeight]; 
HDRadioButton2 = uicontrol('Parent', HDmainf, ... 
   'Style','CheckBox', ... 
   'Units','pixels', ... 
   'Position',labelPos, ... 
   'Horiz','left', ... 
   'String','Dots', ... 
   'Interruptible','off', ... 
   'BackgroundColor',[0.45 0.45 0.45], ... 
   'ForegroundColor','white',... 
   'Callback','menu3(''CallbackDots'')',... 
   'Value',value); 
 
callbackStr='menu3(''DotsSizeChange'')'; 
textPos=[ButtPosX+0.5*ButtWidth ButtPosY ButtWidth*0.35 TextHeight]; 
stringVal=num2str(DotsSize); 
if (SnakeDotsON==1)  
   en='On';  
else  
   en='Off';  
end; 
 
HDedit9 = uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','edit', ... 
   'Units','pixel', ... 
   'Position',textPos, ... 
   'Units','normal', ... 
   'Horiz','right', ... 
   'Background','white', ... 
   'Foreground','black', ... 
   'String',stringVal,'Value',DotsSize, ... 
   'UserData',DotsSize,... 
   'Enable',en,... 
   'callback',callbackStr); 
 
% button Load Snake 
labelStr='Save S.'; 
ButtPosX=MenuPosX+0.5*ButtDist+MenuSizeX/2; 
ButtPosY = ButtPosY-ButtDist-ButtHeight; 
ButtWidth=MenuSizeX/2-1.5*ButtDist; 
 
HDButton5=uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','pushbutton', ... 
   'Units','pixels', ... 
   'Position',[ButtPosX ButtPosY ButtWidth ButtHeight], ... 
   'String',labelStr, ... 
   'Enable','on', ... 
   'Callback','menu3(''SaveSnake'')'); 
 
% The Inic 
labelStr='Load S.'; 
ButtPosX=MenuPosX+ButtDist; 
HDButton6=uicontrol('Parent', HDmainf, ... 
   'BusyAction','Queue','Interruptible','off',... 
   'Style','pushbutton', ... 
   'Units','pixels', ... 
   'Position',[ButtPosX ButtPosY ButtWidth ButtHeight], ... 
   'String',labelStr, ... 
   'Enable','on', ... 
   'Callback','menu3(''LoadSnake'')'); 
 
%========================================================= 
% HELP 
%========================================================= 
 
str='Click on images for magnification.|~'; 
str=strcat(str,'\bf<--Back|\rmBack to the previous menu.|'); 
str=strcat(str,'~\bfSnake|\rmRun snake iterations.|~  \it[x,y] = snakeinterp(XSnake,YSnake,dmax,dmin);|~ \it[x,y] = snakedeform(x,y,alpha,beta,gamma,kappa,px,py,NoIterations);|'); 
str=strcat(str,'~\bfAlpha|\rmTension of the snake.|'); 
str=strcat(str,'~\bfBeta|\rmRigidity of the snake.|'); 
str=strcat(str,'~\bfGamma|\rmStep size in one iteration.|'); 
str=strcat(str,'~\bfKappa|\rmExternal force weight.|'); 
str=strcat(str,'~\bfDmin|\rmMin resolution of the snake.|'); 
str=strcat(str,'~\bfDmax|\rmMax resolution of the snake.|'); 
str=strcat(str,'~\bfInitialization|\rmInitial snake position to the starting|or manual position.|'); 
str=strcat(str,'~\bfManual|\rmManual draw initial snake.|'); 
str=strcat(str,'~\bfRadious|\rmRadius of initial snake.|'); 
str=strcat(str,'~\bfDots|\rmDefine if nodes of snake are going to| be displayed.|'); 
str=strcat(str,'~\bfLoad Snake|\rmLoad snake parameters and position.|'); 
str=strcat(str,'~\bfSave Snake|\rmSave snake parameters and position.|'); 
 
str=strcat(str,'|~\bfTheoretical backgrounds|~\rmSnake moves trough image|in order to minimize energy of|'); 
str=strcat(str,'~  E=1/2\int[\alpha\mid\bfX''\rm(s)\mid^2+\beta\mid\bfX''''\rm(s)\mid^2]+\kappa E_e_x_t(\bfX\rm(s))ds'); 
WriteHelp(str); 
 
 
%%%% define local menu objects, that should be deletet  
VectorOfLocalMenuHD=[HDButton1 HDButton2 HDButton3 HDButton4 HDedit1 HDtext1 HDedit2 HDtext2 HDMenuAxes HDedit3 HDtext3 HDedit4 HDtext4 HDedit5 HDtext5 HDedit6 HDtext6 HDedit7 HDtext7 HDedit8 HDRadioButton1 HDRadioButton2 HDedit9 HDButton5 HDButton6]; 
pause(0.1); 
 
return 
 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
% sub functons 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 
% initalize the sanke to the circle 
 
function InicSnake(); 
global XSnake YSnake IncSnakeRadius Image1 HDSnakeLine; 
global XSnakeInc YSnakeInc;   	% incicialization conture of the snake 
global CircleOn; 
 
if CircleOn==1 
	t = 0:0.05:6.28; 
	XSnake = (size(Image1,1)/2 +  IncSnakeRadius/2*size(Image1,1)*cos(t))'; 
   YSnake = (size(Image1,2)/2 +  IncSnakeRadius/2*size(Image1,2)*sin(t))'; 
else 
   XSnake=[XSnakeInc; XSnakeInc(1)]; 
   YSnake=[YSnakeInc; YSnakeInc(1)]; 
end 
 
set(HDSnakeLine,'XData',XSnake,'YData',YSnake,'Color','Red'); 
return 
 
 
% callfunction for snake radius change 
function RadiusChange() 
global IncSnakeRadius; 
global XSnake YSnake IncSnakeRadius Image1 HDSnakeLine; 
 
 
v = get(gcbo,'Userdata'); 
s = get(gcbo,'String'); 
vv = eval(s,num2str(v)); 
if vv(1) > 1 | vv(1) < 0 | s~=num2str(vv) 
   vv = v;  
   set(gcbo, 'String', num2str(v)) 
   return 
end 
set(gcbo,'Userdata',vv,'String',num2str(vv)) 
IncSnakeRadius=vv; 
 
t = 0:0.05:6.28; 
XSnake = (size(Image1,1)/2 +  IncSnakeRadius/2*size(Image1,1)*cos(t))'; 
YSnake = (size(Image1,2)/2 +  IncSnakeRadius/2*size(Image1,2)*sin(t))'; 
set(HDSnakeLine,'XData',XSnake,'YData',YSnake,'Color','Red'); 
return 
 
 
% callfunction for Manual Snake 
 
function ManualSnakeON() 
global HDorigPic;						%original picture axes handle 
global HDbluredPic;				   %blured picture axes handle 
global HDvectorFPic;					%handle of vector field picture 
global HDSnakeLine; 
global HDManualSnakeLine; 
global XSnakeManual YSnakeManual; 
global HDpointer;				% handle of + pointer on the scren 
global HDedit8 HDRadioButton1; 
global CircleOn; 
global HDButton1 HDButton2 HDButton4; 
 
set([HDButton1 HDButton2 HDButton4],'Enable','Off'); 
set(HDedit8,'Enable','Off'); 
set(HDRadioButton1,'Value',0,'Enable','Off'); 
CircleOn=0; 
 
set(gcbo,'String','End M.',... 
   'CallBack','menu3(''ManualSnakeOFF'')'); 
 
HD=get(HDorigPic,'Children'); 
set(HD,'ButtonDownFcn','menu3(''DrawSnake'')'); 
 
%HD=get(HDbluredPic,'Children'); 
%set(HD,'ButtonDownFcn','menu3(''DrawSnake'')'); 
 
set(HDSnakeLine,'Visible','Off'); 
HDManualSnakeLine=[]; 
XSnakeManual=[]; 
YSnakeManual=[]; 
HDpointer=[]; 
 
%========================================================= 
% HELP 
%========================================================= 
 
str='Click on the Original Image in order|to draw the contour of the snake.|'; 
str=strcat(str,'~|\bfEnd Manual|\rmClick when you finish drawing.|'); 
WriteHelp(str); 
 
return 
 
function ManualSnakeOFF() 
global HDSnakeLine; 
global HDpointer;				% handle of + pointer on the scren 
global HDManualSnakeLine; 
global HDRadioButton1; 
global XSnakeManual YSnakeManual; 
global XSnake YSnake; 
global XSnakeInc YSnakeInc;   	% incicialization conture of the snake 
global HDButton1 HDButton2 HDButton4; 
global HDorigPic; 
 
set([HDButton1 HDButton2 HDButton4],'Enable','On'); 
 
set(gcbo,'String','Manual',... 
   'CallBack','menu3(''ManualSnakeON'')'); 
set(HDRadioButton1,'Enable','On'); 
 
if ~isempty(HDManualSnakeLine)  
   delete(HDManualSnakeLine); 
end 
 
if ~isempty(HDpointer) 
   delete(HDpointer);    
end; 
 
if size(XSnakeManual,1)>=3 
   XSnake=XSnakeManual; 
   YSnake=YSnakeManual; 
   XSnakeInc=XSnake; 
   YSnakeInc=YSnake; 
end 
 
set(HDSnakeLine,'XData',[XSnake; XSnake(1)],'YData',[YSnake; YSnake(1)],'Color','Red','Visible','on'); 
 
HD=get(HDorigPic,'Children'); 
set(HD,'ButtonDownFcn','SnakeIter(''Pic1Click'')'); 
 
%========================================================= 
% HELP 
%========================================================= 
 
str='Click on images for magnification.|~'; 
str=strcat(str,'\bf<--Back|\rmBack to the previous menu.|'); 
str=strcat(str,'~\bfSnake|\rmRun snake iterations.|~  \it[x,y] = snakeinterp(XSnake,YSnake,dmax,dmin);|~ \it[x,y] = snakedeform(x,y,alpha,beta,gamma,kappa,px,py,NoIterations);|'); 
str=strcat(str,'~\bfAlpha|\rmTension of the snake.|'); 
str=strcat(str,'~\bfBeta|\rmRigidity of the snake.|'); 
str=strcat(str,'~\bfGamma|\rmStep size in one iteration.|'); 
str=strcat(str,'~\bfKappa|\rmExternal force weight.|'); 
str=strcat(str,'~\bfDmin|\rmMin raster of the snake.|'); 
str=strcat(str,'~\bfDmax|\rmMax raster of the snake.|'); 
str=strcat(str,'~\bfInitialization|\rmInitial snake position to the starting|or manual position.|'); 
str=strcat(str,'~\bfManual|\rmManual draw initial snake.|'); 
str=strcat(str,'~\bfRadious|\rmRadious of initial snake.|'); 
str=strcat(str,'~\bfDotst|\rmDefine if dots are going to| be displayed.|'); 
str=strcat(str,'~\bfLoad Snake|\rmLoad snake parameters and position.|'); 
str=strcat(str,'~\bfSave Snake|\rmSave snake parameters and position.|'); 
 
str=strcat(str,'|~\bfTheoretical back grounds|~\rmSnake moves trought image|in order to minimize energy of|'); 
str=strcat(str,'~  E=1/2\int[\alpha\mid\bfX''\rm(s)\mid^2+\beta\mid\bfX''''\rm(s)\mid^2]+\kappa E_e_x_t(\bfX\rm(s))ds'); 
WriteHelp(str); 
 
 
return 
 
% callfunction for when the button is down  
 
function DrawSnake() 
global HDmainf; 
global HDpointer;				% handle of + pointer on the scren 
global XSnakeManual YSnakeManual; 
global HDManualSnakeLine; 
 
if ~isempty(HDpointer) 
   delete(HDpointer);    
end; 
 
HD=get(gcbo,'Parent'); 
set(HDmainf,'CurrentAxes',HD); 
hold on; 
P=get(HD,'CurrentPoint'); 
HDpointer=plot(P(1,1),P(1,2),'b+'); 
 
XSnakeManual=[XSnakeManual; P(1,1)]; 
YSnakeManual=[YSnakeManual; P(1,2)]; 
 
if size(XSnakeManual,1)==1 
   HDManualSnakeLine=line(XSnakeManual, YSnakeManual); 
end 
 
set(HDManualSnakeLine,'XData',XSnakeManual,'YData',YSnakeManual,'EraseMode','none','Color','Red'); 
return 
 
 
function CallbackRadius() 
global CircleOn;						% inicalization snake will be circle 
global HDedit8; 
 
if get(gcbo,'Value')==1  
    CircleOn=1; 
    set(HDedit8,'Enable','On'); 
 else 
    CircleOn=0; 
    set(HDedit8,'Enable','Off'); 
 end;    
return 
 
 
% callfunction for snake radius change 
function CallbackDots() 
global HDSnakeLine; 
global SnakeDotsON DotsSize;				      % 1 if snake dots should be displeyed 
global HDedit9; 
 
if get(gcbo,'Value')==1 
   SnakeDotsON=1; 
else 
   SnakeDotsON=0; 
end; 
 
if SnakeDotsON==1  
   set(HDSnakeLine,'Marker','.','MarkerEdgeColor','Green','MarkerFaceColor','Blue','MarkerSize',DotsSize); 
   set(HDedit9,'Enable','On'); 
else 
   set(HDSnakeLine,'Marker','None'); 
   set(HDedit9,'Enable','Off'); 
end; 
return 
 
% callback function for dots change size 
function DotsSizeChange() 
global DotsSize HDSnakeLine; 
 
v = get(gcbo,'Userdata'); 
s = get(gcbo,'String'); 
vv = eval(s,num2str(v)); 
if vv(1) > 30 | vv(1) <= 0 | s~=num2str(vv)| round(vv(1))~=vv(1) 
   vv = v;  
   set(gcbo, 'String', num2str(v)) 
   return 
end 
set(gcbo,'Userdata',vv,'String',num2str(vv)) 
DotsSize=vv; 
set(HDSnakeLine,'Marker','.','MarkerEdgeColor','Green','MarkerFaceColor','Blue','MarkerSize',DotsSize); 
return 
 
%%% Callback function for save snake parameters  
function SaveSnake() 
global SnakeFileName SnakePathName;  % name of the snake parameters file 
 
global alpha beta gamma kappa dmin dmax;		% parameters for the snake 
global XSnake YSnake;								% conture of the snake 
global NoSnakeIterations;		   % number of Snake iterations 
global SnakeDotsON;				   % 1 if snake dots should be displeyed 
global IncSnakeRadius;				% inicializaton snake radius 
global DotsSize;						 
 
 
 
	[FileNameT PathNameT]=uiputfile(strcat(SnakePathName,SnakeFileName),'Save snake parameters'); 
   if FileNameT~=0  
      disp(' '); 
      disp(strcat(' Saving	',FileNameT)); 
      save(strcat(PathNameT,FileNameT),'alpha','beta','gamma','kappa','dmin','dmax','XSnake','YSnake','NoSnakeIterations','SnakeDotsON','IncSnakeRadius','DotsSize'); 
      SnakePathName=PathNameT; 
      SnakeFileName=FileNameT; 
      disp(' '); 
   end 
return 
 
%%% Callback function for load snake parameters  
function LoadSnake() 
global SnakeFileName SnakePathName;  % name of the snake parameters file 
 
global alpha beta gamma kappa dmin dmax;		% parameters for the snake 
global XSnake YSnake;								% conture of the snake 
global NoSnakeIterations;		   % number of Snake iterations 
global SnakeDotsON;				   % 1 if snake dots should be displeyed 
global IncSnakeRadius;				% inicializaton snake radius 
global XSnakeInc YSnakeInc;   	% incicialization conture of the snake 
global DotsSize;						 
global HDedit1 HDedit2 HDedit3 HDedit4 HDedit5 HDedit6 HDedit7 HDedit8 HDedit9 ; % handels of snake edit uicontrol 
global CircleOn;						% inicalization snake will be circle 
global HDRadioButton1 HDRadioButton2; 
 
	[FileNameT PathNameT]=uigetfile(strcat(SnakePathName,'\*.mat'),'Load snake parameters'); 
   if FileNameT~=0  
      disp(' '); 
      disp(strcat(' Load	',FileNameT)); 
      disp(' '); 
 
		load(strcat(PathNameT,FileNameT)); 
 
      SnakePathName=PathNameT; 
      SnakeFileName=FileNameT; 
       
      XSnakeInc=XSnake; 
      YSnakeInc=YSnake; 
       
      global HDSnakeLine; 
      set(HDSnakeLine,'XData',[XSnake; XSnake(1)],'YData',[YSnake; YSnake(1)]); 
      if SnakeDotsON==1  
		   set(HDSnakeLine,'Marker','.','MarkerEdgeColor','Green','MarkerFaceColor','Blue','MarkerSize',DotsSize); 
         set(HDedit9,'Enable','On'); 
         set(HDRadioButton2,'Value',1); 
		else 
   		set(HDSnakeLine,'Marker','None'); 
         set(HDedit9,'Enable','Off'); 
         set(HDRadioButton2,'Value',0); 
		end; 
       
      % reset the values in the menu 
      set(HDedit1,'String',num2str(alpha),'Value',alpha); 
      set(HDedit2,'String',num2str(beta),'Value',beta); 
      set(HDedit3,'String',num2str(gamma),'Value',gamma); 
      set(HDedit4,'String',num2str(kappa),'Value',kappa); 
      set(HDedit5,'String',num2str(dmin),'Value',dmin); 
      set(HDedit6,'String',num2str(dmax),'Value',dmax); 
      set(HDedit7,'String',num2str(NoSnakeIterations),'Value',NoSnakeIterations); 
		set(HDedit8,'String',num2str(IncSnakeRadius),'Value',IncSnakeRadius); 
		set(HDedit9,'String',num2str(DotsSize),'Value',DotsSize); 
			 
      set(HDRadioButton1,'Value',0); 
      set(HDedit8,'Enable','Off'); 
      CircleOn=0; 
   end 
return