Determine Coordinate System - One
Point Localisation
TPS1200+/TS30/TM30 71
5.2.3 Computing the Height Scale Factor for Twostep Transformation
Access
step-by-step
DET C SYS
Compute Height
Scale Factor
Description of fields
Next step
CONT (F1) returns to DET C SYS Step 5: Determine Scale.
Step Description
1. Refer to "5.1 Accessing Det Coord System - One Point Localisation" to
access DET C SYS Step 1: Choose Transform Type.
2. Select <Transfrm Type: Twostep>.
3. Continue to DET C SYS Step 5: Determine Scale.
4. Select <Method: Compute CSF>.
5. Press HIGHT (F3) to access DET C SYS Compute Height Scale Factor.
Field Option Description
<Method:> User Entered Height scale factor can be manually typed
in.
Known Local Pt Height scale factor is computed using the
height of a known local point.
Known Local Ht Height scale factor is computed using the
known height of a local point.
<Known Point:> Choicelist Available for <Method: Known Local
Pt>. The point ID of the point chosen from
<Local Pts Job:> from which the height
scale factor is computed.
<Known Height:> User input Available for <Method: Known Local
Ht>. A known local height.
<Height SF:> User input Available for <Method: User Entered>.
To type in the height scale factor.
Output Available for <Method: Known Local
Pt> and <Method: Known Local Ht>.
The computed height scale factor.
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