Software Engineering
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Creating Leaflet Tiles from Open Data using PostGIS and QGIS
A guide to transforming open geospatial data into slippy map tiles to display in Leaflet or OpenLayers using PostGIS, QGIS, and QTiles.
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Creating Leaflet Tiles from Open Data using PostGIS and QGIS
A guide to transforming open geospatial data into slippy map tiles to display in Leaflet or OpenLayers using PostGIS, QGIS, and QTiles.
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Engineer Onboarding with Breakable Toy
My experience joining the Operations Team at Azavea. This was the first time my colleagues used the Breakable Toy apprenticeship pattern.
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Tracking Hurricane Florence with GOES-16 and SATcat
The 2018 Atlantic hurricane season is the second in a row to feature three simultaneous storms–the most recent, and most dangerous being Florence which reached Category 4 status earlier in the week (now at a Category 2) as it moves within a day of the Carolinas and US Mid-Atlantic Region. NOAA has a full suite…
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Tilegarden: Serverless Tile Rendering with AWS Lambda
This 2018 Azavea Open Source Fellowship project enables serverless Lambda-based raster and vector tile generation from PostGIS data.
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Introducing Grout: a Flexible-Schema Framework for Geospatial Apps
Grout is an open source framework that empowers non-technical administrative users to directly define and modify data at the core of their application.
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How to Save a Mapbox GL Web Map Extent as an Image
Learn how to generate a Data URL or image file of the current map extent from a Mapbox GL Web Map.
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How to Convert Geodatabase Spatial Data and Related Tables to Vector Tiles
Use this open source data processing pipeline to convert geodatabase files to vector tiles for use in a web application.
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Exploring Protected Wildlife Habitat for Every Property in New Jersey
This Azavea 10% Time project defines a process for converting big data files to vector tiles and allows a user to identify habitat areas in need of protection.
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Generating Pyramided Tiles from a GeoTIFF using GeoTrellis
A tutorial for generating pyramided map tiles (also called Slippy Map tiles) from a GeoTIFF using GeoTrellis, which can be used in Leaflet or OpenLayers.
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Provisioning ACM Certificates on AWS with Terraform
Learn how to create and validate certificates with a reusable Terraform module.
