Computer software for use in integrating with third party software systems and websites, that enables those third parties to create three dimensional models of the earth on computer networks and the Internet, to create, edit and maintain three-dimensional terrain databases, and to edit, annotate and publish photo-realistic interactive three-dimension environments, and that enables end users to access and use those three dimensional models of the earth over computer networks and the Internet to explore, collaborate and interact with people, objects and the world around them; Computer software for use in integrating with third party software systems and websites, that enables those third parties to create three dimensional models of the earth on computer networks and the Internet to create, edit and maintain three-dimensional terrain databases, and to edit, annotate and publish photo-realistic interactive three-dimension environments, and that enables end users to access and use those three dimensional models of the earth over computer networks and the Internet to explore, collaborate and interact with people, objects and the world around them and that may be downloaded from a global computer network; Computer software for use as a network data server that streams 3D geographic data in real-time