ArcGIS Open Data is a great network of governmental and institutional open data. While the data portal service runs on APIs, there is no official documentation of public APIs for ArcGIS Open Data. So this post is to provide the unofficial documentation of ArcGIS Open Data APIs, which are discovered in my work (mostly by accident).Continue reading
I have been doing GIS work for quite a while and I do hate to download data from multiple sites every time. So I decide to collect those commonly geospatial data and make my own database. Of course, like all open-source people do, I’d love to share my work with you. The first release is the U.S. nationwide U.S. boundary. This dataset include nation, state, county, place, census block, and census tract. The source data come from U.S. Census Bureau and you can find the metadata here.
Multiple formats provided: shapefile, geojson, and a postgis database dump. Continue reading
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