Vector Tiles talk at CMGUG

That’s Charlotte-Mecklenburg GIS User Group for those that don’t speak acronym.

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Map style for April Fool's Day

I had a free day and decided to do a new map style for April Fool’s Day. This seemed less likely to get me yelled at than, say, setting everyone’s appraisal value to $0.

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GeoPortal migrated to Mapbox GL JS

My migration of GeoPortal from Leaflet to Mapbox GL JS is live (Github). I’m using a combination of OSM2VectorTiles, some vector tiles of our own data created with Tippecanoe, and a few WMS raster overlays here and there from GeoServer. I’ve passed five hours in the office without anybody flinging feces at me, which is my most reliable success metric.

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Leaflet to Mapbox GL


TL;DR

The Good

  • Snappy performance after initial load
  • Lower network traffic after initial page load
  • Vector tile goodness

The Bad

  • Initial page load is harsh
  • Go ZXY or go home

The Ugly

  • Adding a marker is less abstract than it should be
  • It forgets everything if you switch styles

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ZXY to WMS Proxy

I’ve been moving GeoPortal to Mapbox GL JS, and one of the pain points I hit is the lack of WMS support. That’s one of those I don’t like it but I understand things.

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Vector Tiles Part 3

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Vector Tiles Part 2

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Vector Tiles Part 1

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What's in my HEAD

the head is the good stuff

The HEAD of a HTML document is a really interesting thing.

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Unit Testing React Components

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