Virtual Earth: Technical Overview

Virtual Earth: Technical Overview
Virtual Earth is an online mapping platform from Microsoft. Virtual Earth allows an application to display geographic data on imagery provided by Virtual Earth. The SDK includes geocoding, pushpins, shape annotation, and a route determination.

Book Review: KML Handbook

The KML Handbook: Geographic Visualization for the Web, by Josie Wernecke, Addison Wesley 2008 Josie Wernecke provides an excellent description of all of the features of KML (Keyhole Markup Language). This book serves as both an introductory guide and a reference for KML practitioners.

Using Virtual Earth with OpenLayers

Using Virtual Earth with OpenLayers
This article uses examples from the EcoMap Costa Rica project to demonstrate the use of OpenLayers to combine virtual Earth with other map technologies. OpenLayers supports a wide range of map sources, including WFS, Yahoo, WorldWind, Google, TileCache, TMS, and GML.

Overview of the EcoMap Costa Rica Maps

Overview of the EcoMap Costa Rica Maps
This short article describes the architecture of the EcoMap Costa Rica map pages as an example of a typical geospatial web application that uses multiple software technologies. It is the first of two articles. The second article uses examples from the EcoMap Costa Rica website demonstrating the use of OpenLayers in order to combine Virtual ...

Technical Overview: GML

GML (Geography Markup Language) is based on XML and was developed by the Open Geospatial Consortium (OGC) to express geographic features.

Book Review: Web Mapping Illustrated

Web Mapping Illustrated, by Tyler Mitchell, publ. O’Reilly Media Aimed at web authors with little GIS experience, this book gives a good introduction to creating an online web map or service using open source tools. The book should have enough to get you going, but you will need to consult other sources to complete a ...

Technical Overview: KML

Technical Overview: KML
KML (Keyhole Markup Language) was developed by Keyhole, Inc for adding geographic annotation, models, and simple animation to their Keyhole Earth Viewer. Keyhole was taken over by Google in 2004, and the Earth Viewer is now known as Google Earth. Google have also adopted it for use on their Google Maps platform, and it is ...

Technology Overview: SVG

SVG or Scalable Vector Graphics is an XML-based vector graphics format for the web. This format showed great promise for many online applications including GIS, but browser adoption rates have been very slow.

Technology Overview: Google Earth

Technology Overview: Google Earth
Google Earth is a desktop application which operates as a client, receiving aerial photography from Google via the Internet. It is often confused with Google Maps which is a web-based client application with a published Javascript API. Google Earth is the originator of the popular Keyhole Markup Language (KML).