GINPUT FOR UIAXES

GINPUTUIAX is similar to Matlab's original GINPUT, except that it works with UIFIGURE & UIAXES

%GINPUTUIAX Graphical input from mouse with custum cursor pointer.
% [X,Y] = ginputuiax(huiax,N) gets N points from the uiaxes, huiax and returns
% the X- and Y-coordinates in length N vectors X and Y.
% GINPUTUIAX is similar to Matlab's original GINPUT, except
% that it works with UIFIGURE & UIAXES
% Example:
% ax=uiaxes; plot(ax,rand(1,100))
% [x,y] = ginputuiax(ax,2)
%
% Adapted from GINPUTC by Jiro Doke
% Wanwara Thuptimdang
% Date: 1July2020