[geos-devel] AbstractSTRtree::createParentBoundables

strk strk at keybit.net
Mon May 3 12:29:34 EDT 2004

Ok. This is what I worked out:
AbstractSTRtree defines a protected pure virtual sortBoundables().
STRtree and SIRtree implement it.
Comparator functions used with sort are statics of STRtree.cpp
and SIRtree.cpp


On Mon, May 03, 2004 at 05:07:04PM +0200, strk wrote:
> AbstractSTRtree::createParentBoundables cheats on sorting,
> using a fake comparator function to do it (compareAbsBoundables).
> JTS uses a subclass-defined comparator obtained with a call
> to getComparator.
> This thing seems to be not-so-easy to do in C++. Does anyone have
> hints on the topic ?
> --strk;
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