REF="../../../../../com/vividsolutions/jts/geom/Envelope.html" title="class in com.vividsolutions.jts.geom">Envelope</A> <B>ensureExtent</B>(<A HREF="../../../../../com/vividsolutions/jts/geom/Envelope.html" title="class in com.vividsolutions.jts.geom">Envelope</A>&nbsp;itemEnv,
                                    double&nbsp;minExtent)</PRE>
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<DD>Ensure that the envelope for the inserted item has non-zero extents.
 Use the current minExtent to pad the envelope, if necessary
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