Leica Geosystems TPS1100 Professional Series - Reference Manual - Manual (Page 232)

232
TPS1100 - Appl. Prog. Ref. Manual 2.2.0en Road+
The principal points method allows
joining elements without the use of
intermediate tangents.
The following combinations, for
example, may be defined:
• Double spiral: spiral out
followed by spiral in
• Multiple circular curves
• S curves with and without
intermediate tangents
Horizontal Alignment, continued Vertical Alignment
Geometric elements supported:
Vertical Alignment File Header:
41....+000JOBID 42....+0VALIGNM 43......+STACOORD
WI 41 Job-Identification. Max. 8 ASCII-characters, may be defined by
user.
WI 42 Identification of Vertical Alignment file. May not be changed by
user.
WI 43 Identification of principal point type file. May not be changed by
user.
Element Definition Declaration in
the alignment
file
Tangent Station, H "STRAIGHT"
Circular
curve Station, Radius, H "000C URVE"
Parabola Station, Parabola parameter, H
(see page 192 for Parameter Formulare) "0PARABOL"
End of
Project Station, H "00000EOP"