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From: muzaffar on 6 May 2008 10:46
hi everybody
could some one please tell me why i am unable to get
values for
variable outdd? in the following program.
i can get and plot scroll wheel up/down movement with time
let say but i am unable to get array values in the end.
plz use hold on at command line after calling to the
function below.


function outdd= scroll_wheel12()
% Illustrates how to use WindowScrollWheelFcn property
%f = %e 'WindowScrollWheelFcn'
global dd
set(gcf,'WindowScrollWheelFcn',@figScroll);


x = [0:.1:40];
y = 4.*cos(x)./(x+2);
a = axes;
h = plot(x,y);

title('Rotate the scroll wheel')
var12=0;
tv12=1;
function figScroll(src,evnt)

if evnt.VerticalScrollCount > 0
var12=var12+1;
tt(tv12)=tv12;
xv12(tv12)=var12;

elseif evnt.VerticalScrollCount < 0
var12=var12-1;
tt(tv12)=tv12;
xv12(tv12)=var12;

end

disp('time')
disp(tv12)
disp('value')
disp(var12)
%outdd=[tv12 var12];
dd=[tt; xv12];
plot(tt,xv12,'*')
tv12=tv12+1;

end %figScroll
% disp(eventdata.scrdata)

disp(var12)
% outdd=[tv12 var12];
outdd=dd;

end % scroll_wheel

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Prev: How to identify a Stateflow with get_param?
Next: hook functions before and after RTW build process