These data.frames are used to lookup and explain which spatial relation types go with different spatial queries.
sp_rel_validsp_rel_lookup
sp_rel_valid is a data.frame with 105 rows and 3 variables as
follows:
A feature class to be queried
The feature class used to do a spatial query
The spatial relationships that are valid for the feature class and query_feature_class combination
sp_rel_lookup is a data.frame with 9 rows and 2 variables as
follows:
The spatial relationship being described
A description of the sp_rel
sp_rel_lookup explains the various different types of spatial relationships available through ArcGIS REST APIs. sp_rel_valid shows which spatial relationships are valid with different geometry types being queried and used to do spatial queries