Documentation>MATLAB API>PLOTOP - vl_click

P=VL_CLICK() let the user click a point in the current figure and returns its coordinates in P. P is a two dimensiona vectors where P(1) is the point X-coordinate and P(2) the point Y-coordinate. The user can abort the operation by pressing any key, in which case the empty matrix is returned.

P=VL_CLICK(N) lets the user select N points in a row. The user can stop inserting points by pressing any key, in which case the partial list is returned.

VL_CLICK() accepts the following options:

PlotMarker [0]

Plot a marker as points are selected. The markers are deleted on exiting the function.