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@rowanwins

Rowan Winsemius

rowanwins
Canberra, Australia

I love making open source libraries related to maps & spatial analysis.

I've written a bunch of my own libraries such as

  • point-in-polygon-hao
    • A very fast and reliable module for point-in-polygon checks
  • sweepline-intersections
    • A very fast and small module for detecting intersections between polygons and polylines
  • Leaflet.SvgShapeMarkers
    • Provides additional SVG markers for leafletJS

I also contribute to a range of larger projects such as

  • TurfJS
    • Designed and developed the documentation. Implemented various modules. Provided various bug support.
  • LeafletJS
    • Occassion PR's for bug fixes. Writing and contributing to various plugins.

Featured work

  1. rowanwins/vue-dropzone

    A Vue.js component for Dropzone.js - a drag’n’drop file uploads utility with image previews

  2. rowanwins/point-in-polygon-hao

    A point in polygon library based on the paper "Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons" by Hao

    JavaScript 118
  3. rowanwins/sweepline-intersections

    A small module using a sweepline algorithm to detect intersections (& self-intersections) in polygons or polylines.

    JavaScript 64
  4. rowanwins/Leaflet.SvgShapeMarkers

    Additional SVG shape marker types for leaflet.js

    JavaScript 50
  5. rowanwins/geojson-editor

    A simple online editor for geojson

    Vue 38
  6. rowanwins/shamos-hoey

    A module to check if a polygon self-intersects

    JavaScript 28

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If one of my libraries helped you in a commercial project there's a good chance I saved you a fair bit of money :)

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