forked from: Create one piece Polygonal Geometry 

My Alternativa3D Study Roadmap
*  by Michael Chau (michael@designquest.com.hk)
*  http://www.designquest.com.hk/_experiments/alternativa3d/
*
*  create a GeoSphere? 
*
*  forked from designquest's Create one piece Polygonal Geometry 
*  forked from designquest's Create Polygonal Geometry 
*  Original code from : http://docs.alternativaplatform.com/display/TDEN/Building+geometry
*
