geostyler-mapbox-parser

geostyler-mapbox-parser

GeoStyler-Style-Parser implementation for Mapbox

Important Notes

Since mapbox works with spritesheets, geostyler-mapbox-parser is only capable of handling sprites/icons if the application that is using the parser implements following API:

GET /sprites/?name&baseurl

• name - name of the sprite in the spritesheet corresponding json
• baseurl - baseurl for retrieving spritesheet and sprite json

The endpoint MUST return a reference to a single image.

---

Mapbox styles require the properties sources (root property) and source (layers property). In order to keep a clear separation between style and data, geostyler-mapbox-parser puts the source-related attributes into the metadata block of a geostyler-style under mapbox:ref. There, the original sources object, as well as the mappings between layers and sources will be stored (properties sources, sourceMapping and layerSourceMapping). Applications can then use these mappings for re-creating the same layer structure using their map library of choice (e.g. OpenLayers, etc.).

How to use

ES6:

import MapboxParser from "geostyler-mapbox-parser";

const pointSimplePoint = {
  name: "My Style",
  rules: [
    {
      name: "My Rule",
      symbolizers: [
        {
          kind: "Mark",
          wellKnownName: "circle",
          color: "#FF0000",
          radius: 6
        }
      ]
    }
  ]
};

const parser = new MapboxParser();

const { output: mbStyle } = await parser.writeStyle(pointSimplePoint);
console.log(mbStyle);

Browser:

const pointSimplePoint = {
  name: "My Style",
  rules: [
    {
      name: "My Rule",
      symbolizers: [
        {
          kind: "Mark",
          wellKnownName: "Circle",
          color: "#FF0000",
          radius: 6
        }
      ]
    }
  ]
};
var parser = new GeoStylerMapboxParser.MapboxStyleParser();
parser
  .writeStyle(pointSimplePoint)
  .then(function(res) {
    var mbStyle = res.output;
    console.log(mbStyle);
  });

Funding & financial sponsorship

Maintenance and further development of this code can be funded through the GeoStyler Open Collective. All contributions and expenses can transparently be reviewed by anyone; you see what we use the donated money for. Thank you for any financial support you give the GeoStyler project 💞

Changelog

5.0.1 (2023-12-05)

Bug Fixes

• allow scale to be a GeoStylerFunction (73d2271)
• treat ison-size as scale (ebc9434)
• use width and multiply directly (113ef5e)