Geo @ ObjectGraph

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Category : Google Fusion Tables

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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Introduction

My previous posting covers how to import data from ArcGIS via KML format because KML is the format that Google Fusion Tables accepts. Yesterday, I found a website, shpescape.com, which takes your shape file (.shp) and import it into fusion tables for you. This blog article is not really tutorial because the website is simple enough to use it. However, people who interested in how things work, I’m introducing the walk-through here.

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Google Fusion Tables Tutorial

Introduction


Google launched a new service it’s called “Fusion Tables“. It looks like their spreadsheet but it’s more powerful. Unlikely other failed Google Projects, I see a lot of potentials because Google is always good at automating process (while other manual or human interaction based services were failed – e.g. Orkut or Google Answers) . The second reason is because professional users are willing to pay some cash for extra storage and CPU power and Google is one of opinion leaders in the cloud computing market. This service could be competitive against other professional GIS platforms in the next Web X.0 generation. ESRI start moving towered more REST base web service platform with their rich toolboxes. Other web based services, such as Spatical Key or MapBox could be another competitor for visualization market. I did not try them but I often see interesting projects from them. Since Google already has good platform like Google Earth / Map, I wish they polish both authoring and reporting environment for GIS users.

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