How do i make a 'pushbutton' plot a point?

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%code
hbottom_left = uicontrol('Style','pushbutton',...
'String','Bottom Left','Position',[270,220,70,25]);
%end of code
I want this pushbutton to plot the point (0.5,0.5), i think i need to use the callback function but i dont know the exact code, could someone provide the exact code, thanks in advance.

Accepted Answer

Image Analyst
Image Analyst on 12 Jul 2014
Just right click on the button and say to view the callback. It will put you in the callback in the m-file. Then just write:
plot(0.5, 0.5, 'b*', 'MarkerSize', 15, 'LineWidth', 3); % Adjust as needed.
grid on;

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