getBounds by Malcolm Meyer

Data | GIS | Maps | Web

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Posted September 21, 2020

From the Ashes of Shapefiles

A Presentation for the 2020 Virtual Ohio GIS Conference

This talk describes the slow and painful migration from a legacy GIS data structure of hundreds o...

Posted September 20, 2020

GIS and Remote Work

An Exploration of a GIS Remote Work Toolkit

In the aftermath of the Coronavirus pandemic, remote work may well be come the new normal, as bus...

Posted April 27, 2020

Exporting AGOL Feature Services to GeoJSON

Using NodeJS and Batches to Transform an ArcGIS Online Feature Service to GeoJSON

Recently I had the need to pull data from ArcGIS Online into a Mapbox GL JS web map. While it wou...

Posted April 1, 2020 | Updated September 12, 2020

Ohio COVID-19 Dashboard

A Simple, Client Side Tracking Dashboard for COVID-19 in Ohio

Update: This visualization is no longer being updated. There are a wide variety of authoritat...

Posted November 28, 2019

RTK to WGS84

Transforming Coordinates with JavaScript using proj4.js

In my day job we recently completed a project to field locate our water utility assets using a hi...

Posted November 17, 2019

Highlighting Features in Mapbox GL JS

A Comparison of Filter and Feature-State

Creating a hover effect is a great way to add interactivity to web maps. In mapbox-gl there are t...

Posted July 12, 2019

Network Tracing with Turf JS

A Client Side Solution for Simple Upstream and Downstream Linear Network Analysis

A primary focus of my day job is managing utility datasets for a small municipality. I am current...

Posted May 10, 2019

Progressive Web Apps

Using PWA Components for Web Maps

The GitHub repository with all the code needed to follow along with this presentation can be foun...

Posted April 5, 2019

Open Parcel Viewer

A Client-Side Parcel Viewer built with Leaflet

The Open Parcel Viewer is a client-side application written in plain javascript and jquery. It is...

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Code

leaflet-store-locator

A Responsive Open Source Store Locator built with Leaflet and Bootstrap, based on the Mapbox JS Example

Demo

mapbox-layer-control

A layer control for Mapbox GL JS with groups and a filter function.

Demo

mgl-story

A simple Mapbox GL JS Story Map template built off the original Mapbox example.

Demo

parcel-viewer

Open Parcel Viewer - A mobile ready web app for displaying 50k parcels or polygons without needing a GIS server.

Demo

pwa-maps

A presentation on using OpenMapTiles and service workers to turn an interactive map into an offline-capable Progressive Web App.

Demo

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Portfolio

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About

getBounds is a portfolio and blog desgined and maintained by Malcolm Meyer. I have ten years of experience in geospatial sector and a passion for ecology, maps, open source software, urban planning, and web design. I create projects using a variety of software and tools. Some of my favorite tools include Leaflet JS, Mapbox GL JS, Postgres/PostGIS and QGIS. Feel free to contact me using the form below or on twitter @getbounds.