geometryProperties.xsd A GML conformant schema for some convenience geometry properties Copyright (c) 2005 CSIRO - see https://www.seegrid.csiro.au/twiki/bin/view/Xmml/LegalNotices#Software_Notice optional XML attribute implements UML Union discriminator optional XML attribute implements UML Union discriminator optional XML attribute implements UML Union discriminator optional XML attribute implements UML Union discriminator