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Determining the Winding of a Polygon Given as a Set of Ordered Points
When working with spatial data one often needs to work with polygons to demarcate bounding areas. One important concept related to this is winding, which defines the relative order in which the vertex points of a polygon are listed. Winding can be either clockwise (CW) or counter-clockwise (anti-clockwise) (CCW), referring to the direction in which…
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Determining the Winding of a Polygon Given as a Set of Ordered Points
When working with spatial data one often needs to work with polygons to demarcate bounding areas. One important concept related to this is winding, which defines the relative order in which the vertex points of a polygon are listed. Winding can be either clockwise (CW) or counter-clockwise (anti-clockwise) (CCW), referring to the direction in which…
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Building TreesCount! 2015
In this post, we detail our work generating the web application that facilitated TreesCount!
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The Changing Map of the Arctic
In this post, we discuss how geographers and cartographers approach generating a map of the arctic.
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Building the Future of Open Data: Part 2
The first part of the Building the Future of Open Data blog explored the survey results and synthesis for my Future of Open Geo Data talk atย FOSS4GNA. This 2nd part explores the steps that data consumers can take to contribute toย a bright future for open data. Guidelines for Consumers To begin with, itโs important to…
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Building the Future of Open Data: Part 1
In this blog we answer important questions pertaining to the future of open data such as: what might the future of open government data look like? How will cities evolve to meet the needs of both producers and consumers of data? How will data providers share ideas and learn from each other to create a…
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OpenDataPhilly Gets a New Look and More Datasets
Just in time for International Open Data Day, Azavea launched a re-designed and re-engineered OpenDataPhilly.org. This update sets the stage for the future of open data in Philadelphia as well, because the application will be more easily maintained and extended.
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Open Transit Indicators Enable Cities to Design Better Transit Systems
In this blog we detail the Open Transit Indicators project developed by the World Bank.
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More Sustainable Cities with Building Energy Benchmarking
In this blog post we detail our work to visualize building energy benchmarking data.
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Selecting a NAT Instance Size on EC2
In this blog, we describe our experience with selecting a NAT Instance Size on EC2.
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Five New GIS Tools in 2014
We discuss five exciting GIS tools released in 2014 that are sure to grow in 2015.
