 type
an integer type.</td>
<td><tt class="docutils literal"><span class="pre">get(boost::vertex_index,graph)</span></tt></td>
</tr>
<tr><td><tt class="docutils literal">color_map</tt></td>
<td>in/out</td>
<td>Model of <a class="reference external" href="../../../property_map/doc/ReadWritePropertyMap.html"><span class="concept">Read/Write Property Map</span></a>
with key type := <tt class="docutils literal">graph</tt>'s
vertex descriptor type.</td>
<td>an <tt class="docutils literal">iterator_property_map</