[postgis-tickets] r14820 - Nautilytics case studies

[Regina Obe]

Author: robe
Date: 2016-04-04 19:54:33 -0700 (Mon, 04 Apr 2016)
New Revision: 14820

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Nautilytics case studies

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+--- 
+title: Nautilytics Case Study
+layout: post 
+category: casestudy
+tags: [data visualization, government, agriculture, decision support, tile server, us, ghana, brazil]
+author: Christopher Lanoue
+thumbnail: nautilytics.jpg
+---
+
+[Nautilytics](http://www.nautilytics.com/) is a small data visualization and GIS startup based out of Boston, MA. 
+We use PostGIS and PostgreSQL, among other open-source tools to build powerful web applications 
+for US government organizations, public, and private sector companies.
+
+<!-- pagebreak -->
+
+# USAID
+
+For USAID, we built a tool for agricultural infrastructure investors in 
+[Northern Ghana](http://fingap.nautilytics.com/) wherein they can immediately identify "hot spots" of corn and soybean growth potential 
+intersecting with areas lacking in the necessary infrastructure to bring the crops to market. 
+PostGIS provided us with the ability to create a dynamic [heatmap](http://www.nautilytics.com/case-studies/usaid-fingap.php)
+grid of areas in Ghana that are close to electricity, 
+major roads, minor roads, and rivers. Within minutes, we created a grid of one-mile blocks 
+within the entire country of Ghana, which contained the distance of that grid block from the closest piece of each major infrastructure. 
+After doing it for the entire country, we realized how optimized the query had become and it now functioned 
+as a way for a user to click on any location in Ghana and immediately retrieve that location's distance to roads, rivers, and electricity.
+
+
+# WalkJogRun
+
+For [WalkJogRun](http://www.walkjogrun.net/), a popular run tracking application, 
+we use PostGIS to manage and serve over 1 million GPS-enabled running routes over a five-year period to a Mapnik-powered tile server. 
+The spatial indexing built into PostGIS, the optimization of Mapnik,
+and the coverage provided by a content delivery network return the PNG tiles within milliseconds 
+while only costing a fraction of other paid tile services. 
+For those interested, we have documented the steps to replicate this work: [https://github.com/nautilytics/running-route-tileserver](https://github.com/nautilytics/running-route-tileserver)
+
+# Brazil Grain Storage
+
+Corn and soybean yields are increasing at a staggering rate throughout Brazil, 
+yet there are only 18,000 publicly documented corn and soybean grain silos to hold the growth. 
+Many US grain storage companies looking to expand into Brazil are unfamiliar 
+with the different regions and where growth is expected to increase, 
+so [we built a tool powered by PostGIS](http://nautilytics.com/case-studies/storage-investment-decision-tool.php) 
+to solve this problem. Once a user identifies an area of interest, 
+they can click on a storage facility to immediately identify how many storage facilities are within a 50km buffer, 
+as well as if the area is expected to experience a deficit or surplus of corn or soybeans in the next five years. 
+In the future, we are looking for this tool to become a content management system of sorts for investors into Brazil.

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