272
Annexes
187. referenceSystemldentifier name of reference system
C I
MD_CRS .projecti
on ,
MD _ CRS.ellipsoid
, and
MD _ CRS.datum
not documented?
188. ro/e name (derived):
relationship indicating that
(Not applicable)
/ Reference System
MD_ ReferenceSystem (as weil as its attributes and aggregates) i s derived trom
RS ReferenceSvstem
189. MD_CRS
metadata about a coordinate system in
Use obligawhich attributes have been derived from
tionlcondition
SC CRS as defined in ISO 19111 -
from referencing
Soäiial referencina bY coordinates
object
190. orOTection
identitv of the oroiection used
0
191 . elliPsoid
identitv of the ellipsoid used
0
192. datum
Identity of the datum used
0
193. role name:
set of parameters that describe the el0
elliosoidParameters
liosoid
194. role name:
set of parameters that describe the pro0
I oroiectionParameters
I iection
195. RS_ ReferenceSystem
description of the spatial and temporal
Use obligareference systems used in the dataset
tionlcondition
from referencing
object
196. name
name of reference system used
M
197. domainONalidity
range which is valid for the reference
0
system
198. TM _ ReferenceSystem
documented in ISO 19108 - Temporal
Use obligaschema
tion/condition
from referencing
object
199. SI_ SpatialReferenceSyste documented in ISO 19112 - Spatial ref- Use obligamUsingGeographicldenti- erencing by geographie identifiers
tion/condition
fiers
from referencing
object
200. SC_ CRS
documented in ISO 19111 - Spatial refUsa obligaerencing by coordinates
tionlcondition
from referencing
object
8.7.1 Ellipsoid parameter information
201 . MD _EllipsoidParameters
set of parameters that describe the elUse obligalipsoid
tionlcondition
from referencing
obiect
202. semiMajorAxis
rad ius of the equatorial axis of the ellipM
soid
1203. I axisUnits
I units of the sem i-major axis
M