Geo @ ObjectGraph

Earth and Environmental Science Blog

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Posts Tagged ‘density map’

Introduction

The goal of this project is to visualize a specific WiFi SSID strength on a map. WiFi signal’s strength is affected by the distance from the antena or obstructions between the receiver and the antena. In this article, I collected data in a small shopping mall in Long Island. WiFi strength was measured on iPhone and the value will be directly sent along with coordinate information to Google Fusion Tables. After collecting data, analysts are able to create map on the fusion table itself or download it as csv to import in other GIS software, such as ArcGIS.

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