About: http://webisa.webdatacommons.org/248187130

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It may be a grid, or a TIN. If you know that your data is a grid, you can use GetHeightFieldGrid3d() to get that specifically. vtHeightFieldGrid3d * vtTerrain::GetHeightFieldGrid3d (
http://www.w3.org/ns/prov#wasQuotedFrom	vterrain.org