render

Documentation

Overview

package render provides methods for producing map tiles derived from Who's On First records.

Index

• func RenderSVGWithFeatures(ctx context.Context, opts *SVGOptions, features ...*geojson.Feature) error
• type SVGOptions
  • func DefaultSVGOptions() *SVGOptions

Functions

func RenderSVGWithFeatures

func RenderSVGWithFeatures(ctx context.Context, opts *SVGOptions, features ...*geojson.Feature) error

Render SVG data for one or more geojson.Feature instances.

Types

type SVGOptions

type SVGOptions struct {
	// The size of the tile to render
	TileSize float64 `json:"tile_size"`
	// An optional extent to assign the final SVG output.
	TileExtent *geom.Extent `json:"tile_extent"`
	// A valid io.Writer where SVG data will be written to.
	Writer io.Writer
	// A valid SVG stroke value.
	Stroke string `json:"stroke"`
	// A valid SVG stroke-width value.
	StrokeWidth float64 `json:"stroke_width"`
	// A valid SVG stroke-opacity value.
	StrokeOpacity float64 `json:"stroke_opacity"`
	// A valid SVG fill value.
	Fill string `json:"fill"`
	// A valid SVG fill-opacity value.
	FillOpacity float64 `json:"fill_opacity"`
}

SVGOptions defines common configuration options for the RenderSVGWithFeatures method.

func DefaultSVGOptions

func DefaultSVGOptions() *SVGOptions

DefaultSVGOptions returns default configuration options for using with the DefaultSVGOptions method.