maths

package

v0.3.2 Latest Latest Go to latest Published: Mar 13, 2017 License: MIT Imports: 2 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/terranodo/tegola

Links

Open Source Insights

Documentation ¶

Overview ¶

Package math contins generic math functions that we need for doing transforms. this package will augment the go math library.

Index ¶

Constants
func AreaOfPolygon(p tegola.Polygon) (area float64)
func DegToRad(deg float64) float64
func RadToDeg(rad float64) float64

Constants ¶

View Source

const (
	WebMercator = tegola.WebMercator
	WGS84       = tegola.WGS84
	Deg2Rad     = math.Pi / 180
	Rad2Deg     = 180 / math.Pi
	PiDiv2      = math.Pi / 2.0
	PiDiv4      = math.Pi / 4.0
)

Variables ¶

This section is empty.

Functions ¶

func AreaOfPolygon ¶

func AreaOfPolygon(p tegola.Polygon) (area float64)

AreaOfPolygon will calculate the Area of a polygon using the surveyor's formula (https://en.wikipedia.org/wiki/Shoelace_formula)

func DegToRad ¶

func DegToRad(deg float64) float64

func RadToDeg ¶

func RadToDeg(rad float64) float64

Types ¶

This section is empty.

Source Files ¶

View all Source files

maths.go

Directories ¶

Path	Synopsis
webmercator Package webmercator does the translation to and from WebMercator and WGS84 Gotten from: http://wiki.openstreetmap.org/wiki/Mercator#C.23	Package webmercator does the translation to and from WebMercator and WGS84 Gotten from: http://wiki.openstreetmap.org/wiki/Mercator#C.23

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL