You're reading from Python Geospatial Development - Second Edition If you're experienced in Python here's an opportunity to get deep into Geospatial development, linking data to global locations. No prior knowledge required ‚Äì this book takes you through it all, step by step.

Product type Paperback

Published in May 2013

Publisher Packt

ISBN-13 9781782161523

Length 508 pages

Edition 2nd Edition

Languages

Python

Tools

PostGIS

Concepts

Geospatial Analysis

Author (1):

Erik Westra

View More author details

Table of Contents (13) Chapters

Preface

1. Geospatial Development Using Python

2. GIS FREE CHAPTER

3. Python Libraries for Geospatial Development

4. Sources of Geospatial Data

5. Working with Geospatial Data in Python

6. GIS in the Database

7. Working with Spatial Data

8. Using Python and Mapnik to Generate Maps

9. Putting It All Together – a Complete Mapping System

10. ShapeEditor – Implementing List View, Import, and Export

11. ShapeEditor – Selecting and Editing Features

Index

Summary

In this chapter, we finished implementing a sophisticated geospatial web application using GeoDjango, Mapnik, PostGIS, OGR, and pyproj. This application is useful in its own right, as well as being a springboard to developing your own geospatial web applications.

We have learned:

That we can easily create our own Tile Map Server using Mapnik and GeoDjango.
That we can include OpenLayers on our own web pages, independent of GeoDjango, and display map data from our Tile Map Server.
How to create a custom "click handler" to respond to mouse-clicks within an OpenLayers map.
That we can use AJAX calls to have the server respond to events within the web browser.
That GeoDjango provides a powerful query language for performing spatial queries without writing a single line of SQL.
How to "borrow" geometry editing widgets from GeoDjango and use them within your own web application.
That you can create your own GeoModelAdmin subclass to change the appearance and functionality...

The rest of the chapter is locked

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Authors (1)

Erik Westra

Erik Westra has been a professional software developer for over 25 years, and has worked almost exclusively in Python for the past decade. Eriks early interest in Graphical User Interface design led to the development of one of the most advanced urgent courier dispatch systems used by messenger and courier companies worldwide. In recent years, Erik has been involved in the design and implementation of systems matching seekers with providers of goods and services across a range of geographical areas, as well as real-time messaging, payment, and identity systems. This work has included the creation of real-time geocoders and map-based views of constantly changing data. Erik is based in New Zealand, and works for companies worldwide. Erik is the author of the following Packt books: Python Geospatial Development (third edition), Python Geospatial Analysis, Building Mapping Applications with QGIS, and Modular Programming with Python. Erik has also authored the video course entitled Introduction to QGIS Python Programming.

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