Pentax R-2500NS Series - 12.1 BP, IP, EP input

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12.1 BP, IP, EP input
Press [F2][ROAD] in PowerTopoLite to open
BP DATA SETUP.
Press [ENT] to open the PN,X,Y,Z and PC input
window and input each.
Then, press [ENT] or [F5][ACCEPT] to view the IP
DATA SETUP screen.
NOTE:
Based on the input parameters in the following table, basic design clothoid, raised type
clothoid and simple curve are calculated.
Type
Input items
Basic design clothoid
Radius R
Parameter A1, A2
Raised type clothoid
Parameter A1,A2
Simple curve
Radius R
You can input radius R, parameter A1,A2 in the range of 1m or more and less than
10,000m . If you input only parameter A1, or only parameter A2, a message ｢clothoid<---
>arc cannot cal.｣ is displayed. This doesn’t support road design composed from clothoid-
simple curve or simple curve-clothoid.
IP
IA
EC
EP
BC
BP
Simple
curve
KA2
KA1
IP
IA
EP
BP
Basic design clothoid
KE1
KE2
EP
BP
KA1
IP
IA
KA2
Raised type
Clothoid
KE12