twinmodel::geom Namespace Reference

Classes
struct	Point3

Typedefs
using	Box = bg::model::box< Point >
using	Line3 = std::vector< Point3 >
using	LineString = bg::model::linestring< Point >
using	MultiPolygon = bg::model::multi_polygon< Polygon >
using	Point = bg::model::d2::point_xy< double >
using	Polygon = bg::model::polygon< Point, true, true >
using	Ring = bg::model::ring< Point, true, true >

Functions
Point	Centroid (const Polygon &polygon)
double	HeadingAt (const LineString &line, double s)
	Heading of line at distance s, in radians.
double	Hypot (const Point &a, const Point &b)
Point	Interpolate (const LineString &line, double s)
	Point at distance s along line, shapely's LineString.interpolate.
double	Length (const LineString &line)
Polygon	MakeValid (const Polygon &polygon)
	bg::is_valid plus a correction pass, shapely's make_valid.
double	NormalizeAngle (double angle)
	Signed angle in (-pi, pi] that turns heading from into heading to.
LineString	OffsetLine (const LineString &line, double offset)
	Offset line sideways by offset metres, positive to the left.
std::vector< Polygon >	Polygonize (const std::vector< LineString > &edges)
	Build polygons from a set of noded edges, shapely's polygonize.
double	Project (const LineString &line, const Point &p)
	Distance along line of the projection of p, shapely's LineString.project.
LineString	Substring (const LineString &line, double from, double to)
	The piece of line between distances from and to, shapely's substring: endpoints are inserted so the cut is exact.
LineString	To2D (const Line3 &line)
Point	To2D (const Point3 &p)
MultiPolygon	UnaryUnion (const std::vector< Polygon > &polygons)

Typedef Documentation

Box

using twinmodel::geom::Box = typedef bg::model::box<Point>

Definition at line 31 of file osm2odr/Geometry.h.

Line3

using twinmodel::geom::Line3 = typedef std::vector<Point3>

Definition at line 41 of file osm2odr/Geometry.h.

LineString

using twinmodel::geom::LineString = typedef bg::model::linestring<Point>

Definition at line 27 of file osm2odr/Geometry.h.

MultiPolygon

using twinmodel::geom::MultiPolygon = typedef bg::model::multi_polygon<Polygon>

Definition at line 30 of file osm2odr/Geometry.h.

Point

using twinmodel::geom::Point = typedef bg::model::d2::point_xy<double>

Definition at line 26 of file osm2odr/Geometry.h.

Polygon

using twinmodel::geom::Polygon = typedef bg::model::polygon<Point, true, true>

Definition at line 29 of file osm2odr/Geometry.h.

Ring

using twinmodel::geom::Ring = typedef bg::model::ring<Point, true, true>

Definition at line 28 of file osm2odr/Geometry.h.

Function Documentation

Centroid()

Point twinmodel::geom::Centroid ( const Polygon &  polygon )

inline

Definition at line 85 of file osm2odr/Geometry.h.

HeadingAt()

double twinmodel::geom::HeadingAt	(	const LineString &	line,
		double	s
	)

Heading of line at distance s, in radians.

Definition at line 90 of file osm2odr/Geometry.cpp.

References Hypot().

Referenced by twinmodel::BuildLaneGraph(), and twinmodel::BuildSignals().

Hypot()

double twinmodel::geom::Hypot ( const Point &  a, const Point &  b  )

inline

Definition at line 91 of file osm2odr/Geometry.h.

Referenced by twinmodel::BuildLaneGraph(), HeadingAt(), Interpolate(), Project(), and Substring().

Interpolate()

Point twinmodel::geom::Interpolate	(	const LineString &	line,
		double	s
	)

Point at distance s along line, shapely's LineString.interpolate.

Definition at line 69 of file osm2odr/Geometry.cpp.

References Hypot().

Referenced by twinmodel::BuildSignals(), and Substring().

Length()

double twinmodel::geom::Length ( const LineString &  line )

inline

Definition at line 56 of file osm2odr/Geometry.h.

Referenced by twinmodel::BuildLaneGraph(), twinmodel::BuildSignals(), and Substring().

MakeValid()

Polygon twinmodel::geom::MakeValid

(

const Polygon &

polygon

)

bg::is_valid plus a correction pass, shapely's make_valid.

Definition at line 178 of file osm2odr/Geometry.cpp.

Referenced by UnaryUnion().

NormalizeAngle()

double twinmodel::geom::NormalizeAngle ( double  angle )

inline

Signed angle in (-pi, pi] that turns heading from into heading to.

Definition at line 96 of file osm2odr/Geometry.h.

Referenced by twinmodel::BuildLaneGraph(), OffsetLine(), and Polygonize().

OffsetLine()

LineString twinmodel::geom::OffsetLine	(	const LineString &	line,
		double	offset
	)

Offset line sideways by offset metres, positive to the left.

Definition at line 131 of file osm2odr/Geometry.cpp.

References heading, and NormalizeAngle().

Polygonize()

std::vector< Polygon > twinmodel::geom::Polygonize

(

const std::vector< LineString > &

edges

)

Build polygons from a set of noded edges, shapely's polygonize.

Used for junction outlines, where the input is the union of the incoming kerbs.

Definition at line 208 of file osm2odr/Geometry.cpp.

References node, nodes, and NormalizeAngle().

Project()

double twinmodel::geom::Project	(	const LineString &	line,
		const Point &	p
	)

Distance along line of the projection of p, shapely's LineString.project.

Definition at line 40 of file osm2odr/Geometry.cpp.

References distance, and Hypot().

Substring()

LineString twinmodel::geom::Substring	(	const LineString &	line,
		double	from,
		double	to
	)

The piece of line between distances from and to, shapely's substring: endpoints are inserted so the cut is exact.

Definition at line 106 of file osm2odr/Geometry.cpp.

References Hypot(), Interpolate(), and Length().

To2D() [1/2]

LineString twinmodel::geom::To2D ( const Line3 &  line )

inline

Definition at line 47 of file osm2odr/Geometry.h.

References To2D().

To2D() [2/2]

Point twinmodel::geom::To2D ( const Point3 &  p )

inline

Definition at line 43 of file osm2odr/Geometry.h.

References twinmodel::geom::Point3::x, and twinmodel::geom::Point3::y.

Referenced by twinmodel::BuildLaneGraph(), twinmodel::BuildSignals(), and To2D().

UnaryUnion()

MultiPolygon twinmodel::geom::UnaryUnion

(

const std::vector< Polygon > &

polygons

)

Definition at line 163 of file osm2odr/Geometry.cpp.

References MakeValid().