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locate
mouse selection of a set of points
Calling Sequence
x=locate([n,flag])
Arguments
- x
matrix of size (2,n1). n1=n if the parameter n is given.
- n,flag
integer values.
Description
locate is used to get the coordinates of one or more
points selected with the mouse in a graphics window. The coordinates
are given using the current graphics scale.
If n>0, n points are selected and their coordinates are returned in
the matrix x.
If n<=0, points are selected until the user clicks with the left button of the mouse which stands for stop. The last point (clicked with the left button) is not returned.
x=locate() is the same as x=locate(-1).
If flag=1 a cross is drawn at the points where the mouse is clicked.
Authors
S.S. & J.Ph.C
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