tile

package

v0.4.11 Latest Latest Go to latest Published: Mar 11, 2022 License: BSD-3-Clause Imports: 26 Imported by: 1

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Repository

github.com/whosonfirst/go-rasterzen

Links

Open Source Insights

Documentation ¶

Index ¶

func CacheKeyForPNGTile(t slippy.Tile) string
func CacheKeyForRasterzenTile(t slippy.Tile) string
func CacheKeyForSVGTile(t slippy.Tile) string
func CacheKeyForTile(t slippy.Tile, prefix string, ext string) string
func Extent4326(t *slippy.Tile) *geom.Extent
func RasterzenPathToImage(path string) (image.Image, error)
func RasterzenToFeatureCollection(in io.Reader, out io.Writer) error
func RasterzenToGeoJSON(in io.Reader, out io.Writer) error
func RasterzenToImage(in io.Reader) (image.Image, error)
func RasterzenToImageWithOptions(in io.Reader, svg_opts *RasterzenSVGOptions) (image.Image, error)
func RasterzenToPNG(in io.Reader, out io.Writer, svg_opts *RasterzenSVGOptions) error
func RasterzenToSVG(in io.Reader, out io.Writer) error
func RasterzenToSVGWithOptions(in io.Reader, out io.Writer, svg_opts *RasterzenSVGOptions) error
func RenderExtentTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options) (io.ReadCloser, error)
func RenderGeoJSONTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, ...) (io.ReadCloser, error)
func RenderPNGTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, ...) (io.ReadCloser, error)
func RenderRasterzenTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, ...) (io.ReadCloser, error)
func RenderSVGTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, ...) (io.ReadCloser, error)
func Tile2Lat(zoom, y uint) float64
func Tile2Lon(zoom, x uint) float64
type Coordinate
type Coordinates
type Feature
type FeatureCollection
type Geometry
type Polygon
type RasterzenOptions
- func DefaultRasterzenOptions() (*RasterzenOptions, error)
- func RasterzenOptionsFromBytes(body []byte) (*RasterzenOptions, error)
- func RasterzenOptionsFromFile(path string) (*RasterzenOptions, error)
- func RasterzenOptionsFromReader(fh io.Reader) (*RasterzenOptions, error)
- func RasterzenOptionsFromString(body string) (*RasterzenOptions, error)
type RasterzenPNGOptions
- func DefaultRasterzenPNGOptions() (*RasterzenPNGOptions, error)
- func RasterzenPNGOptionsFromBytes(body []byte) (*RasterzenPNGOptions, error)
- func RasterzenPNGOptionsFromFile(path string) (*RasterzenPNGOptions, error)
- func RasterzenPNGOptionsFromReader(fh io.Reader) (*RasterzenPNGOptions, error)
- func RasterzenPNGOptionsFromString(body string) (*RasterzenPNGOptions, error)
type RasterzenSVGOptions
- func DefaultRasterzenSVGOptions() (*RasterzenSVGOptions, error)
- func RasterzenSVGOptionsFromBytes(body []byte) (*RasterzenSVGOptions, error)
- func RasterzenSVGOptionsFromFile(path string) (*RasterzenSVGOptions, error)
- func RasterzenSVGOptionsFromReader(fh io.Reader) (*RasterzenSVGOptions, error)
- func RasterzenSVGOptionsFromString(body string) (*RasterzenSVGOptions, error)
- func (opts *RasterzenSVGOptions) Clone() *RasterzenSVGOptions
type RasterzenSVGStyles
type SVGStyle

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CacheKeyForPNGTile ¶

func CacheKeyForPNGTile(t slippy.Tile) string

func CacheKeyForRasterzenTile ¶

func CacheKeyForRasterzenTile(t slippy.Tile) string

func CacheKeyForSVGTile ¶

func CacheKeyForSVGTile(t slippy.Tile) string

func CacheKeyForTile ¶

func CacheKeyForTile(t slippy.Tile, prefix string, ext string) string

func Extent4326 ¶ added in v0.4.7

func Extent4326(t *slippy.Tile) *geom.Extent

func RasterzenPathToImage ¶

func RasterzenPathToImage(path string) (image.Image, error)

func RasterzenToFeatureCollection ¶

func RasterzenToFeatureCollection(in io.Reader, out io.Writer) error

func RasterzenToGeoJSON ¶

func RasterzenToGeoJSON(in io.Reader, out io.Writer) error

func RasterzenToImage ¶

func RasterzenToImage(in io.Reader) (image.Image, error)

func RasterzenToImageWithOptions ¶ added in v0.2.6

func RasterzenToImageWithOptions(in io.Reader, svg_opts *RasterzenSVGOptions) (image.Image, error)

func RasterzenToPNG ¶

func RasterzenToPNG(in io.Reader, out io.Writer, svg_opts *RasterzenSVGOptions) error

func RasterzenToSVG ¶

func RasterzenToSVG(in io.Reader, out io.Writer) error

func RasterzenToSVGWithOptions ¶ added in v0.1.1

func RasterzenToSVGWithOptions(in io.Reader, out io.Writer, svg_opts *RasterzenSVGOptions) error

func RenderExtentTile ¶

func RenderExtentTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options) (io.ReadCloser, error)

func RenderGeoJSONTile ¶

func RenderGeoJSONTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, rz_opts *RasterzenOptions) (io.ReadCloser, error)

func RenderPNGTile ¶

func RenderPNGTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, rz_opts *RasterzenOptions, svg_opts *RasterzenSVGOptions, png_opts *RasterzenPNGOptions) (io.ReadCloser, error)

func RenderRasterzenTile ¶

func RenderRasterzenTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, rz_opts *RasterzenOptions) (io.ReadCloser, error)

func RenderSVGTile ¶

func RenderSVGTile(t slippy.Tile, c cache.Cache, nz_opts *nextzen.Options, rz_opts *RasterzenOptions, svg_opts *RasterzenSVGOptions) (io.ReadCloser, error)

func Tile2Lat ¶ added in v0.4.7

func Tile2Lat(zoom, y uint) float64

func Tile2Lon ¶ added in v0.4.7

func Tile2Lon(zoom, x uint) float64

Types ¶

type Coordinate ¶

type Coordinate []float64

type Coordinates ¶

type Coordinates []Coordinate

type Feature ¶

type Feature struct {
	Type       string            `json:"type"`
	Geometry   Geometry          `json:"geometry"`
	Properties map[string]string `json:"properties"`
}

type FeatureCollection ¶

type FeatureCollection struct {
	Type     string        `json:"type"`
	Features []interface{} `json:"features"`
}

type Geometry ¶

type Geometry struct {
	Type        string      `json:"type"`
	Coordinates interface{} `json:"coordinates"`
}

type Polygon ¶

type Polygon []Coordinates

type RasterzenOptions ¶ added in v0.4.0

type RasterzenOptions struct {
	Refresh bool `json:"refresh"`
}

func DefaultRasterzenOptions ¶ added in v0.4.0

func DefaultRasterzenOptions() (*RasterzenOptions, error)

func RasterzenOptionsFromBytes ¶ added in v0.4.0

func RasterzenOptionsFromBytes(body []byte) (*RasterzenOptions, error)

func RasterzenOptionsFromFile ¶ added in v0.4.0

func RasterzenOptionsFromFile(path string) (*RasterzenOptions, error)

func RasterzenOptionsFromReader ¶ added in v0.4.0

func RasterzenOptionsFromReader(fh io.Reader) (*RasterzenOptions, error)

func RasterzenOptionsFromString ¶ added in v0.4.0

func RasterzenOptionsFromString(body string) (*RasterzenOptions, error)

type RasterzenPNGOptions ¶ added in v0.4.0

type RasterzenPNGOptions struct {
	Refresh bool `json:"refresh"`
}

func DefaultRasterzenPNGOptions ¶ added in v0.4.0

func DefaultRasterzenPNGOptions() (*RasterzenPNGOptions, error)

func RasterzenPNGOptionsFromBytes ¶ added in v0.4.0

func RasterzenPNGOptionsFromBytes(body []byte) (*RasterzenPNGOptions, error)

func RasterzenPNGOptionsFromFile ¶ added in v0.4.0

func RasterzenPNGOptionsFromFile(path string) (*RasterzenPNGOptions, error)

func RasterzenPNGOptionsFromReader ¶ added in v0.4.0

func RasterzenPNGOptionsFromReader(fh io.Reader) (*RasterzenPNGOptions, error)

func RasterzenPNGOptionsFromString ¶ added in v0.4.0

func RasterzenPNGOptionsFromString(body string) (*RasterzenPNGOptions, error)

type RasterzenSVGOptions ¶ added in v0.1.1

type RasterzenSVGOptions struct {
	TileSize      float64            `json:"tile_size"`
	TileExtent    *geom.Extent       `json:"tile_extent"`
	Stroke        string             `json:"stroke"`
	StrokeWidth   float64            `json:"stroke_width"`
	StrokeOpacity float64            `json:"stroke_opacity"`
	Fill          string             `json:"fill"`
	FillOpacity   float64            `json:"fill_opacity"`
	Styles        RasterzenSVGStyles `json:"styles"`
	Refresh       bool               `json:"refresh"`
}

func DefaultRasterzenSVGOptions ¶ added in v0.1.1

func DefaultRasterzenSVGOptions() (*RasterzenSVGOptions, error)

func RasterzenSVGOptionsFromBytes ¶ added in v0.1.1

func RasterzenSVGOptionsFromBytes(body []byte) (*RasterzenSVGOptions, error)

func RasterzenSVGOptionsFromFile ¶ added in v0.1.1

func RasterzenSVGOptionsFromFile(path string) (*RasterzenSVGOptions, error)

func RasterzenSVGOptionsFromReader ¶ added in v0.1.1

func RasterzenSVGOptionsFromReader(fh io.Reader) (*RasterzenSVGOptions, error)

func RasterzenSVGOptionsFromString ¶ added in v0.2.4

func RasterzenSVGOptionsFromString(body string) (*RasterzenSVGOptions, error)

func (*RasterzenSVGOptions) Clone ¶ added in v0.2.0

func (opts *RasterzenSVGOptions) Clone() *RasterzenSVGOptions

type RasterzenSVGStyles ¶ added in v0.1.3

type RasterzenSVGStyles map[string]SVGStyle

type SVGStyle ¶ added in v0.1.3

type SVGStyle struct {
	Stroke        string  `json:"stroke"`
	StrokeWidth   float64 `json:"stroke_width"`
	StrokeOpacity float64 `json:"stroke_opacity"`
	Fill          string  `json:"fill"`
	FillOpacity   float64 `json:"fill_opacity"`
}

Source Files ¶

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