Subject: Re: [geometry] Bounding box checked first?
From: Barend Gehrels (barend_at_[hidden])
Date: 2012-02-08 13:13:47
On 8-2-2012 11:20, Sebastian wrote:
> Do the functions "bool within()" (e.g. point in polygon) and "bool
> intersects()" (e.g. polygon with polygon) do any bounding box checks?
Because we use models of a bare point. It can be any point. Same for
polygon, can be any (that is: fulfilling the concept). So they don't
bear a box with them, the box is not part of the concept.
Therefore in many use cases it is adviceable to check that yourself.
Boost.Geometry contains the primitives (box, envelope, within)
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