CSCart
: Cartesian coordinate system.
CSGeo
: Geographic coordinate system supported by Proj.
CSGeoLocal
: Geographic coordinate system with local origin and rotation angle.
AnalyticDB
: Spatial database with values specified by analytical functions.
UniformDB
: Spatial database with uniform values (no spatial variation).
SimpleDB
: Spatial database with arbitrarily distributed points.
SimpleGridDB
: Spatial database with points on a logically rectangular grid aligned with the coordinate axes.
CompositeDB
: Spatial database comprised of two spatial databases.
UserFunctionDB
: Spatial database with values specified by a C/C++ function (used in MMS tests).
GravityField
: Special spatial database implementation for a gravity field.
TimeHistory
: User-specified time history using a file.