Geometry Boost List: Re: [geometry] [EXTERNAL] Calculating RTree size in bytes

From: Gratton, Michael (gratton_at_[hidden])
Date: 2021-02-26 13:17:37

You can pass a custom allocator the the rtree constructor as the final
argument:

https://www.boost.org/doc/libs/1_75_0/libs/geometry/doc/html/geometry/reference/spatial_indexes/boost__geometry__index__rtree/rtree_par_cr_ind_cr_val_cr_all_cr.html


In your allocator, you can count how many bytes have been allocated by
the tree.  This same approach can be used on stl data structures to
track allocations.

I'd be interested in your findings if you're free to share them on the
mailing list.

Kind regards,

-- 
Michael Gratton, Ph.D. | Senior Research Scientist 
Metron, Inc. | 703.326.2833 | gratton_at_metsci.com1818 Library St Ste 600
| Reston VA 20190


On Fri, 2021-02-26 at 07:51 +0000, Panagiotis SIMATIS via Geometry
wrote:
> Hello
>  
> I am a research student and I am using the RTree by geometry boost.
> Can someone suggest a way to calculate the size of the RTree in
> bytes?
> In addition, is there a way I can find the total number of nodes in
> the index?
>  
> Thanks
> P
>  
>  
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