Tag Archives: map

Square Equal-area Map Projection

Several weeks ago, my paper on a novel square equal-area map projection was published in ACM Transactions on Spatial Algorithms and Systems, titled A Square Equal-Area Map Projection with Low Angular Distortion, Minimal Cusps, and Closed-Form Solutions. For mathematical details, … Continue reading

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Updated Camp Workcoeman Maps

Due to extensive trail work over the past two years, new maps of Camp Workcoeman were needed. Furthermore, the Connecticut statewide spring 2016 orthoimagery was recently released, provide a new data source for updating buildings and land cover. As with … Continue reading

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Light Pollution Map

A few weeks ago, The New World Atlas of Artificial Night Sky Brightness was published in Science Advances. The article is a report on artificial sky radiance, a current update to previous data. The supplement to the article is a … Continue reading

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Camp Workcoeman Map App

Although I started mapping Camp Workcoeman years ago, I’ve always published this data as printed maps (and PDFs). I finally published my map in a different form: a mobile and web app. The apps are built using Mapbox GL, native … Continue reading

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OpenStreetMap Baltimore City Buildings and Addresses Import

Two years ago, I started trying to import building footprints and addresses provided by the City of Baltimore into OpenStreetMap but was held up by red tape and eventually gave up.1 The City provides building footprints and parcel data on … Continue reading

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