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<a name="Interacting-with-plots"></a>
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<h4 class="subsection">15.1.7 Interacting with plots</h4>
<p>The user can select points on a plot with the <code>ginput</code> function or
selection the position at which to place text on the plot with the
<code>gtext</code> function using the mouse.
<!-- ./plot/ginput.m -->
<p><a name="doc_002dginput"></a>
<div class="defun">
— Function File: [<var>x</var>, <var>y</var>, <var>buttons</var>] = <b>ginput</b> (<var>n</var>)<var><a name="index-ginput-1099"></a></var><br>
<blockquote><p>Return which mouse buttons were pressed and keys were hit on the current
figure. If <var>n</var> is defined, then wait for <var>n</var> mouse clicks
before returning. If <var>n</var> is not defined, then <code>ginput</code> will
loop until the return key is pressed.
</p></blockquote></div>
<!-- ./plot/waitforbuttonpress.m -->
<p><a name="doc_002dwaitforbuttonpress"></a>
<div class="defun">
— Function File: <var>b</var> = <b>waitforbuttonpress</b> ()<var><a name="index-waitforbuttonpress-1100"></a></var><br>
<blockquote><p>Wait for button or mouse press.over a figure window. The value of
<var>b</var> returns 0 if a mouse button was pressed or 1 is a key was
pressed.
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<p class="noindent"><strong>See also:</strong> <a href="doc_002dginput.html#doc_002dginput">ginput</a>.
</p></blockquote></div>
<!-- ./plot/gtext.m -->
<p><a name="doc_002dgtext"></a>
<div class="defun">
— Function File: <b>gtext</b> (<var>s</var>)<var><a name="index-gtext-1101"></a></var><br>
— Function File: <b>gtext</b> (<var>{s1; s2; <small class="dots">...</small>}</var>)<var><a name="index-gtext-1102"></a></var><br>
— Function File: <b>gtext</b> (<var><small class="dots">...</small>, prop, val</var>)<var><a name="index-gtext-1103"></a></var><br>
<blockquote><p>Place text on the current figure using the mouse. The text is defined
by the string <var>s</var>. If <var>s</var> is a cell array, each element of the cell
array is written to a separate line. Additional arguments are passed to
the underlying text object as properties.
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<p class="noindent"><strong>See also:</strong> <a href="doc_002dginput.html#doc_002dginput">ginput</a>, <a href="doc_002dtext.html#doc_002dtext">text</a>.
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