Pentax R-2500NS Series User Manual

108
IP
IP
BP
BP
EP
EP
OK
Not used
[Generation of principal peg to be recorded by calculation and measurement point name of
• In case of Simple curve;
BC#、EC#、SP#
(｢#｣ of measurement point name of principal peg has actually become IP number.)
• In case of basic design clothoid;
KA#-1、KE#-1、KE#-2、KA#-2、SP#
• In case of raised type clothoid;
KA#-1、KE#-12、KA#-2
[The curve to be used in road design]
The curve mentioned in the right drawing can not be used , which is called reverse IP or IP
curve, although it can be used with basic design clothoid, raised type clothoid and simple
curve (see left drawing).
[Terms and curves to be used in Road Calculation]
BP
Beginning
point of route
IP
Intersection
point of main
tangent
EP
End point of
route
IA
Intersection
point of main
contact
BC
Beginning of
curve
CL
Curve length
EC
End of curve
SP
Secant point
KA
Beginning of
clothoid curve
KE
End of clothoid
curve
BP
EP
BC1
SP1
EC1
KA2-1
KE2-12
IP1
IP2
IP3
KA2-2
KA3-1
KE3-1
SP3
KE3-2
KA3-2
Curve 2
Curve 1
Curve 3

Pentax R-2500NS Series Specifications

General

Brand	Pentax
Model	R-2500NS Series
Category	Measuring Instruments
Language	English