Book Image

OpenStreetMap

Book Image

OpenStreetMap

Overview of this book

Imagine being able to create accurate maps that look how you want them to, and use them on the Web or in print, for free. OpenStreetMap allows exactly that, with no restrictions on how or where you use your maps. OpenStreetMap is perfect for businesses that want to include maps on their website or in publications without paying high fees. With this book in hand you have the power to make, alter, and use this geographical data in a collaborative way from anywhere on the Earth.OpenStreetMap was started because most maps you think of as free actually have legal or technical restrictions on their use, holding back people from using them in creative, productive, or unexpected ways. This book will allow you to take control of your own maps and use them smoothly. This book introduces the reader to the OpenStreetMap project and shows you how to participate in the project, and make use of the data it provides. No prior knowledge of the project is assumed, and technical details are kept to a minimum.In this book, you'll learn how easy it is to add your neighborhood to OpenStreetMap using inexpensive GPS equipment, or even no GPS at all. You'll find out how to communicate with other mappers working in the same area, and where to find more information about how to map the world around you.Once you have your area mapped, you'll learn how to turn this information into maps, whether for use in print or online, large or small, and with the details you want shown. The book describes several rendering methods, each suited to different types of map, and takes you through a tutorial on each one.
Table of Contents (17 chapters)
OpenStreetMap
Credits
About the Author
About the Reviewers
Preface
4
How OpenStreetMap Records Geographical Features
Index

Chapter 1. Making a Free, Editable Map of the World

Maps have always been a source of power. Armies have used them to give themselves a military advantage, traders have used them to find the shortest route between places of supply and markets, and fictional pirates have used them to find buried treasure. Those possessing a map have an advantage over those that don't.

It's no wonder then that maps and the information used to create them have been fiercely protected by companies and governments that own them. Many government and commercial mapping agencies charge high fees to use their data, impose strict restrictions on what you can do with the information, and may even make you pay to use maps you've drawn yourself. The OpenStreetMap project aims to change this by giving everyone their own map, for free, and to use for whatever they like.

In this book, you will learn:

  • What the OpenStreetMap project is

  • Why it's different from other sources of free maps

  • Why you should contribute to the project

  • How to add and edit geographic data

  • How to turn that data into maps you can use for anything you like

This chapter explains how and why the project was started, how freely redistributable geographic data is different from maps that are merely free of charge to use, and some of the things the project has already achieved.