Leica GPS1200+, Technical Reference Manual, Page: 160 / 1442

Manage...\Data 160
9.3 Point Management
9.3.1 Terminology
Description This chapter describes technical terms related to data management.
Coordinate triplet A measured point consists of three coordinate components - two horizontal components and
one vertical component. The generic term for the three coordinate components is coordinate
triplet.
Depending on the class, a point ID can contain more than one coordinate triplet of the same
and/or of different classes.
Class The class describes the type of coordinate triplet.
Description of classes
The following table shows the classes in descending hierarchical order.
Class Characteristic Description
CTRL Type Control points. Automatically assigned to entered
points or manually assigned to calculated points
from COGO.
Instrument source GPS , TPS or LGO
Number of triplets One
ADJ Type Adjusted points using the adjustment program.
Instrument source LGO
Number of triplets One