POSC Specifications Version 2.2
Epicentre Logical Data Model
ENTITY
PTY_LEGAL_SURVEY_LOCATION
SUBTYPE OF
(
pty_location
);
east_west_distance :
OPTIONAL
ndt_accurate_length
;
east_west_line :
OPTIONAL
legal_survey_line
;
east_west_orientation :
OPTIONAL
ref_offset_line_orientation
;
facility_reference_point :
OPTIONAL
facility_reference_point
;
legal_survey_area :
OPTIONAL
legal_survey_area
;
north_offset_first :
OPTIONAL
ndt_boolean
;
north_south_distance :
OPTIONAL
ndt_accurate_length
;
north_south_line :
OPTIONAL
legal_survey_line
;
north_south_orientation :
OPTIONAL
ref_offset_line_orientation
;
ref_east_or_west :
OPTIONAL
ref_east_or_west
;
ref_north_or_south :
OPTIONAL
ref_north_or_south
;
well_surface_point :
OPTIONAL
well_surface_point
;
UNIQUE
si:
property
.other_spatial_object, well_surface_point, facility_reference_point,
process_data
.activity;
WHERE
mse99: EXISTS(legal_survey_area) XOR EXISTS(north_south_line AND east_west_line);
END_ENTITY
; (* pty_legal_survey_location *)
Generated on Tue Dec 9 09:49:50 1997
© Copyright 1997 POSC. All rights reserved.