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Getting started with GEO, CouchDB & Node.js /
Today's mobile devices have GPS and standard APIs to give you access to coordinates--but what can you do with that data? With this concise book, application developers learn how to work with location data quickly and easily, using Node.js, CouchDB, and other open source tools and libraries. Nod...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Sebastopol, CA :
O'Reilly,
2011.
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| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Table of Contents; Preface; Conventions Used in This Book; Using Code Examples; Safari® Books Online; How to Contact Us; Chapter 1. Node.js; Getting Started with Node.js; Asynchronous Callbacks; Using Node.js on the Web; ExpressJS; Routes; Templates; Static Files; Chapter 2. Geographic Data; Geo Datasets; GeoJSON; Example Geometries; GDAL; Installing; Grab Some Data; Ogrinfo; Ogr2ogr; Geohash; Chapter 3. CouchDB; How Does CouchDB Work?; Replication; Indexes and Views; Getting Started with CouchDB; Creating a Database; Creating a View; View Options; Using Reduce.
- Using CouchApps ... For Fun and ProfitLoad Shared Code; GeoCouch; Importing Data; Using Cradle to Talk to Geocouch; Add the Couchapp; Bounding Box Queries; Displaying the Data Using Node.js; CouchDB Hosting Options; Chapter 4. MapChat
- Example Project; Realtime Chat; Socket.io; Setting Up the Project; Making chat subscriptions; Handling Chat Messages; Using Google Maps; Getting User Location; Grab browser location; Center and Bounds; Custom Overlays; Chat Messages from CouchDB; Clustering; Using a List Function; Notify Clients of Cluster Updates; Display List of Clusters in the Client.