Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

PrevUpHomeNext
touches (one geometry)

Checks if a geometry has at least one touching point (self-tangency)

Synopsis

template<typename Geometry>
bool touches(Geometry const & geometry)

Parameters

Type

Concept

Name

Description

Geometry const &

Any type fulfilling a Geometry Concept

geometry

A model of the specified concept

Returns

Returns true if the geometry is self-touching

Header

Either

#include <boost/geometry.hpp>

Or

#include <boost/geometry/algorithms/touches.hpp>

Conformance

The function touches implements function Touches from the OGC Simple Feature Specification.

The version with one parameter is additional and not described in the OGC standard

[Note] Note

Implemented for Point/Linestring/MultiLinestring/Polygon/MultiPolygon.


PrevUpHomeNext