Re: [Boost-users] measuring distance between a point and a segment

Subject: Re: [Boost-users] measuring distance between a point and a segment
From: Juliette Pera (juliette.pera_at_[hidden])
Date: 2016-04-22 03:03:01

Hi Adam,

Thank you for your help! Now it's working perfectly!

Have a nice day.
Juliette

2016-04-21 16:36 GMT+02:00 Adam Wulkiewicz <adam.wulkiewicz_at_[hidden]>:

> Juliette Pera wrote:
>
> Actually it was for point inside the polygon so it explains the problem.
>
> But can I access the elements of the polygon if I declare it as ring?
>
>
> Of course, bg::model::ring is adapted to Boost.Range concept and also has
> operator[]. If you had your own Ring type you could use any methods defined
> in it. E.g. in my eariler email if you adapted std::vector<Eigen::Vector2d>
> to a Ring concept you could of still call any method and operator defined
> in std::vector.
>
>
> Then I can use the distance between the point and each segment to finally
> take the smallest value.
>
>
> My point was that maybe you could avoid doing it manually. I don't know
> what you're planning to do exactly but since you're ignoring the interior
> of a Polygon when calculating distance then maybe a Linestring would be a
> better representation? You could e.g. use bg::model::linestring<Point>.
>
> Regards,
> Adam
>
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