File: handle_point.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">

<HTML>
<HEAD>
<TITLE>POINT Get Axis Position From Mouse Click
</TITLE>
</HEAD>
<BODY>
<H2>POINT Get Axis Position From Mouse Click
</H2>
<P>
Section: <A HREF=sec_handle.html> Handle-Based Graphics </A>
<H3>Usage</H3>
Returns information about the currently displayed image based on a use
supplied mouse-click.  The general syntax for its use is
<PRE>
   t = point
</PRE>
<P>
The returned vector <code>y</code> has two elements: 
<P>
<DIV ALIGN="CENTER">
<IMG SRC="point_eqn1.png">
</DIV>
<P>
where <code>x,y</code> are the coordinates in the current axes of the click.  This 
function has changed since FreeMat 1.10.  If the click is not inside the
active area of any set of axes, a pair of NaNs are returned.
</BODY>
</HTML>