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How I helped ~6,000 Australians find a vaccine appointment
Note: I have now shut down GP Vaccine Search as vaccines are readily available. In mid 2021 Australia had an acute vaccine shortage for various reasons, which meant vaccine appointments were extremely...
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Visualising Sydney bus congestion with Marey charts
As a side project I built Sydney Transit Graph – a visualisation of real-time Sydney bus congestion. Each line on the graph (a Marey chart) represents a bus completing its route (percentage) over time....
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Creating aerial imagery with a bike helmet camera (GoPro) and OpenDroneMap
See comments on Hacker News (24 comments, 220 points) This technical guide details how you can create your own orthorectified (aka satellite view/bird mode) imagery, point clouds and 3D models of...
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Lane-accurate street maps with OpenStreetMap – writing a vector tileserver...
I’ve built safecyclingmap.com, an open-source proof of concept map that renders cycleways and streets down to the individual lanes, to assist cyclists picking safe routes and support advocacy for...
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Generating aerial imagery with your iPhone’s LiDAR sensor
This technical guide details how you can create your own aerial imagery (aka satellite view/bird mode/orthorectified imagery) and 3D models of streets with the built in iPhone LiDAR sensor (iPhone Pro...
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Subterranean Sydney: A cross-section of Town Hall Station made with iPhone LiDAR
Image and poster is licensed CC BY-NC 4.0. Feel free to share it, but don’t sell it! Better yet, share this blog post. The above poster is an orthographic (ie. no perspective) render of a 3D model of...
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Mapping pedestrian traffic light timing in Sydney, Australia
See my follow up blog post, going into detail on previously unreleased maps, how it costs $200 to buy data on a single intersection from TfNSW, comparisons with best practice and more: Shining a Light...
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Shining a Light on the Traffic Signals of Sydney
See comments below, on Mastodon, Hacker News, LinkedIn, or Reddit. See further coverage of Better Intersections on ABC News (Reddit, LinkedIn). This blog post provides an overview of traffic signal...
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