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250 TPS-System 1000 Programs-2.3.1en © Leica
IV
EL
AH
OH
BS
SM
AS
FS
BL
HB
KM
FB
SA
PZ
LB
TB
CO
RP
The five identifiers ALN, PRF, CRS, STA and EQN
identify the type of file and must be used when creating
the data files. The ? can be any valid DOS character.
The file extension GSI defines the file as a GSI file and
must be used.
1. Permitted elements in the Hz-alignment
• Straight defined by chainage and
coordinates of starting point
• Curve defined by chainage and
coordinates of starting point
Radius of arc (- = left-hand curve;
+ = right-hand curve)
• Spiral defined by chainage and
coordinates of starting point
parameter A
1
of spiral (negative
parameter = spiral into left-hand
curve)
• Compound curve defined by chainage and
coordinates of starting point
Radius of arc (R1, R2)
• End of project (EOP) chainage and coordinates of
end-point
1
A² = L x R where L = length of spiral; R = radius of
curve