What is the pTolemy3D viewer?
SpatialCloud is built, to a great extent, on an excellent array of open-source (OS) geospatial tools. SpatialCloud has contributed to the OS community by sponsored the pTolmey3D viewer. pTolemy3D is an cross-platform open-source viewer that simplifies access to 3D geospatial data. It is a Java applet with an javascript driven API that allows AJAX style application development it is built from the ground up to be cross browser, cross platform. You can learn more about this independent project at http://www.pTolemy3D.org.