Getting Started with GEO, CouchDB, and Node.js - Helion
ebook
Autor: Mick ThompsonISBN: 978-14-493-1545-0
stron: 66, Format: ebook
Data wydania: 2011-07-22
Księgarnia: Helion
Cena książki: 55,24 zł (poprzednio: 64,99 zł)
Oszczędzasz: 15% (-9,75 zł)
Tagi: 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.
Node.js makes it simple to run event code on the Web, and the CouchDB document-oriented database lets you store location data and perform complex queries on it quickly. You'll learn how to get started with these tools, and then use them together to build an example project called MapChat, using HTML and JavaScript code samples.
- Learn how to serve dynamic content with Node.js, and use its asynchronous IO to handle several requests at once
- Become familiar with GeoJSON, Geohash, and the Geospatial Data Abstraction Library (GDAL) for working with spatial data
- Build geospatial indexes using the GeoCouch branch of CouchDB
- Combine these tools to build a project that lets users post real-time chat messages tagged with their current map location
Osoby które kupowały "Getting Started with GEO, CouchDB, and Node.js", wybierały także:
- Tablice informatyczne. Node.js 16,86 zł, (5,90 zł -65%)
- Node.js i TypeScript. Kurs video. Tworzenie skalowalnych mikroserwisów 169,00 zł, (67,60 zł -60%)
- Node.js. Kurs video. Tworzenie skalowalnych aplikacji webowych 79,00 zł, (31,60 zł -60%)
- Node.js. Projektowanie, wdrażanie i utrzymywanie aplikacji 53,93 zł, (30,20 zł -44%)
- Platforma Node.js. Przewodnik webdevelopera. Wydanie III 57,95 zł, (32,45 zł -44%)
Spis treści
Getting Started with GEO, CouchDB, and Node.js. New Open Source Tools for Location Data eBook -- spis treści
- Getting Started with GEO, CouchDB, and Node.js
- SPECIAL OFFER: Upgrade this ebook with OReilly
- Preface
- Conventions Used in This Book
- Using Code Examples
- Safari Books Online
- How to Contact Us
- 1. Node.js
- Getting Started with Node.js
- Asynchronous Callbacks
- Using Node.js on the Web
- ExpressJS
- Routes
- Templates
- Static Files
- ExpressJS
- Getting Started with Node.js
- 2. Geographic Data
- Geo Datasets
- GeoJSON
- Example Geometries
- GDAL
- Installing
- Grab Some Data
- Ogrinfo
- Ogr2ogr
- Geohash
- 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 CouchAppsFor Fun and Profit
- Load 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
- How Does CouchDB Work?
- 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
- Getting User Location
- Chat Messages from CouchDB
- Clustering
- Using a List Function
- Notify Clients of Cluster Updates
- Display List of Clusters in the Client
- Realtime Chat
- About the Author
- Colophon
- SPECIAL OFFER: Upgrade this ebook with OReilly
- Copyright