oq-gem

Glossary for gem taxonomy

This Glossary is aligned with the GEM Building Taxonomy v2, support for v4 is coming soon.


Second principal horizontal direction of the building plan. This direction is always perpendicular (orthogonal) to Direction X. It is defined as Perpendicular to Street if Direction X is listed as Parallel to Street. Alternatively, it is defined as Unspecified Direction when Direction X is defined as Unspecified Direction. See the Direction glossary term for an illustrative example.