File Formats

DC7 Record Definitions


This page lists, in numerical sequence, the records that may occur in the DC7 file format.


Record Code

Record description

00 HEADER
02 STATION
04 COLLIMATION
05 ATMOSPHERE
07 BACKBEARING
10 JOB
13 NOTE
28 ROAD: NAME (Road header)
29 ROAD: HORIZONTAL ALIGN (Horizontal Header)
30 ROAD: HORIZONTAL POINT
31 ROAD: HORIZONTAL STRAIGHT
32 ROAD: HORIZONTAL ARC (Radius/Length)
33 ROAD: HORIZONTAL SPIRAL
34 ROAD: VERTICAL ALIGN (Vertical Header)
35 ROAD: VERTICAL CIRCULAR (Vertical Arc)
36 ROAD: VERTICAL PARABOLIC
37 ROAD: VERTICAL POINT
38 ROAD: CROSS SECTION (Apply Templates)
39 ROAD: TEMPLATE (Template Header)
44 ROAD: APPLY SUPER-ELEVATION
45 ROAD: DEFINE SUPER-ELEVATION
46 ROAD: TEMPLATE ELEMENT (Template Distance/Grade)
49 DATUM
50 HORIZONTAL ADJUST
56 SURVEY
57 GPS ANTENNA HEIGHT
59 QUALITY CONTROL 2
60 QUALITY CONTROL 3
61 EQUIPMENT
62 QUALITY CONTROL 1
64 PROJECTION
65 LOCAL ELLIPSOID
66 GPS POSITION
67 GPS VECTOR
68 LOCAL POSITION
69 GRID POSITION
70 GROUND VECTOR
71 INITIALIZATION
72 POST PROCESS
73 RTK REFERENCE
74 DATUM GRID FILE
75 INSTRUMENT
77 TARGET
78 COGO SETTINGS
79 OBSERVATION
80 GROUND OBSERVATION
81 VERTICAL ADJUST (New in DC6.5)
82 SURVEY EVENT (New in DC6.5, DC7)
83 ROAD: TEMPLATE SIDESLOPE. Note: Superceded by #97
84 ROAD: HORIZONTAL ALIGN (Horizontal Header)
85 LASER OBSERVATION
86 LASER HEIGHT
87 FEATURE NAME
88 ATTRIBUTE: NUMBER
89 ATTRIBUTE: STRING
90 ATTRIBUTE: DATE
91 ATTRIBUTE: TIME
92 ATTRIBUTE: MENU
93 LASER: BASE POINT
94 LASER: TARGET HEIGHT
95 CODING FILE (FEATURES / ATTRIBUTES)
96 ATTRIBUTE: FILENAME
97 ROAD: TEMPLATE SIDESLOPE (Template Batter)
A0 STAKEOUT POINT DESIGN
A1 STAKEOUT LINEAR DESIGN
A2 STAKEOUT DTM DESIGN
A3 STAKEOUT SLOPE DESIGN
A4 STAKEOUT ROAD DESIGN
A5 POINT GRID DELTAS
A6 POINT POLAR DELTAS
A7 LINEAR DELTAS
A8 DTM DELTAS
A9 SLOPE DELTAS
B0 ROAD DELTAS
B1 GPS: CALIBRATION POINT
B2 RESECTION POINT
B3 ROAD: HORIZONTAL ARC (Angle/Length)
B4 ROAD: HORIZONTAL ARC (Radius/Angle)
B5 ROAD: TEMPLATE ELEMENT (Template Distance/Delta)
B6 LONG FEATURE CODE
B7 MATCHED OBSERVATIONS