mapnik

Documentation

Index

• func RegisterDatasources(path string)
• func RegisterFonts(path string)
• func Version() string
• type Coord
• type Map
  • func NewMap(width, height uint32) *Map
  • func (m *Map) Free()
  • func (m *Map) Load(stylesheetFile string) error
  • func (m *Map) LoadString(stylesheet string) error
  • func (m *Map) Projection() Projection
  • func (m *Map) RenderToFile(path string) error
  • func (m *Map) RenderToMemoryPng() ([]byte, error)
  • func (m *Map) Resize(width, height uint32)
  • func (m *Map) SRS() string
  • func (m *Map) SetBufferSize(s int)
  • func (m *Map) SetSRS(srs string)
  • func (m *Map) ZoomAll() error
  • func (m *Map) ZoomToMinMax(minx, miny, maxx, maxy float64)
• type Projection
  • func (p Projection) Forward(coord Coord) Coord
  • func (p *Projection) Free()

Functions

func RegisterDatasources

func RegisterDatasources(path string)

func RegisterFonts

func RegisterFonts(path string)

func Version

func Version() string

Types

type Coord

type Coord struct {
	X, Y float64
}

Point in 2D space

type Map

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

Map base type

func NewMap

func NewMap(width, height uint32) *Map

func (*Map) Free

func (m *Map) Free()

func (*Map) Load

func (m *Map) Load(stylesheetFile string) error

Load initializes the map by loading its stylesheet from stylesheetFile

func (*Map) LoadString

func (m *Map) LoadString(stylesheet string) error

LoadString initializes the map not from a file but from a stylesheet provided as a string.

func (*Map) Projection

func (m *Map) Projection() Projection

func (*Map) RenderToFile

func (m *Map) RenderToFile(path string) error

func (*Map) RenderToMemoryPng

func (m *Map) RenderToMemoryPng() ([]byte, error)

func (*Map) Resize

func (m *Map) Resize(width, height uint32)

func (*Map) SRS

func (m *Map) SRS() string

func (*Map) SetBufferSize

func (m *Map) SetBufferSize(s int)

func (*Map) SetSRS

func (m *Map) SetSRS(srs string)

func (*Map) ZoomAll

func (m *Map) ZoomAll() error

func (*Map) ZoomToMinMax

func (m *Map) ZoomToMinMax(minx, miny, maxx, maxy float64)

type Projection

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

Projection from one reference system to the other

func (Projection) Forward

func (p Projection) Forward(coord Coord) Coord

func (*Projection) Free

func (p *Projection) Free()