Book Image

OpenLayers 2.10 Beginner's Guide

Book Image

OpenLayers 2.10 Beginner's Guide

Overview of this book

Table of Contents (18 chapters)
OpenLayers 2.10
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for Action – using the Yahoo! Maps Layer


Let's create a map with the Yahoo! Maps Layer class.

  1. In the <head> section, we need to reference the location of the Yahoo! Maps API. Add the following before the OpenLayers inclusion script tag:

    <script src="http://api.maps.yahoo.com/ajaxymap?v=3.0&appid=euzuro-openlayers"></script>
  2. Let's set up some Yahoo! layer objects now. Like the Google Maps Layer, we specify the type of the layer we want by setting the type property. Let's create a hybrid layer. The type property for Yahoo! layers start with YAHOO_MAP_, followed by a three character code:

    var yahoo_hybrid = new OpenLayers.Layer.Yahoo(
      "Hybrid",
      {type: YAHOO_MAP_HYB, numZoomLevels: 24}
    );
  3. Now let's create a satellite layer type. The three character code for satellite is SAT. We'll also set a different amount of zoom levels to further illustrate how each base layer can have its own amount of zoom levels:

    var yahoo_satellite = new OpenLayers.Layer.Yahoo(
      "Satellite"...