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<H2><A NAME="SECTION0002150000000000000000"></A><A NAME="property-canvas"></A>
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21.5 Setting canvas properties
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<P>
A <code>canvas.T</code> object provides the following methods to define the
information about the output file.
<P>
<div class="verbatim"><pre>
can = <a href="module-canvas.html">canvas.</a>init("foo.pdf")
ar = <a href="module-area.html">area.T</a>(...)
can.set_author("Charles Dickens")
can.set_title("A tale of two cities")
ar.draw(can)
</pre></div>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-374' xml:id='l2h-374' class="method">set_title</tt></b>(</nobr></td>
<td><var>str</var>)</td></tr></table></dt>
<dd>
<a id='l2h-378' xml:id='l2h-378'></a>
Define the string to be shown in EPS/PDF "Title" field. The default value is the name of the script that creates the EPS/PDF file.
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<td><nobr><b><tt id='l2h-375' xml:id='l2h-375' class="method">set_author</tt></b>(</nobr></td>
<td><var>str</var>)</td></tr></table></dt>
<dd>
<a id='l2h-379' xml:id='l2h-379'></a>
Set the author string. Unless this method is called, the Author field is not output in EPS or PDF.
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<td><nobr><b><tt id='l2h-376' xml:id='l2h-376' class="method">set_creator</tt></b>(</nobr></td>
<td><var>str</var>)</td></tr></table></dt>
<dd>
<a id='l2h-380' xml:id='l2h-380'></a>
Define the string to be shown in EPS %%Creator or PDF Producer field. The default value is "pychart".
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<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-377' xml:id='l2h-377' class="method">set_creation_date</tt></b>(</nobr></td>
<td><var>str</var>)</td></tr></table></dt>
<dd>
<a id='l2h-381' xml:id='l2h-381'></a>
Define the string to be shown in EPS/PDF "CreationDate" field. Defalt value of this field is the current time.
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<span class="release-info">Documentation released on July 2, 2005.</span>
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