routedb

package module

v0.0.0-...-a9696b1 Latest Latest Go to latest Published: Nov 4, 2015 License: MIT Imports: 9 Imported by: 0

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Package routedb includes routines for maintaining and querying a database of transport network routes.

build status

Package routedb includes routines for maintaining and querying a database of transport network routes.

Because this package is used in Android apps, this API is (and must remain) compatible with the limitations of gobind.

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type Box struct {
	N, E, S, W float64
}

A Box is a region defined by two latitudes (N, S) and two longitudes (E, W).

type Db struct {
	// contains filtered or unexported fields
}

A Db represents an in-memory copy of the transport database.

func Load(in []byte) (db *Db, err error)

Load loads a routedb, returning a Db that can be queried, or an error.

func (db *Db) Bounds() *Box

Bounds returns the box bounding all the waypoints in all the routes in the database. It returns a *Box to be compatible with gobind.

func (db *Db) Nearest(lat, lon float64) (stop *Stop, err error)

func (db *Db) Route(i int) ([]byte, error)

Route returns the selected route as a FlatBuffer.

func (db *Db) Routes() int

Routes returns the number of routes.

type Stop struct {
	Lat, Lon float64
}

A Stop is a place where a bus stops (or could be hailed).

Path	Synopsis
route