File
types
used by Carlson Civil include:
.crd
–
Point data, coordinate file
.rw5
– raw
survey data, contains all observations
.cl
–
centerline, describes a 2D alignment
.tin
–
Surface, newer format, more efficient than .flt in most cases,
especially for
machine control
.flt
– Surface,
original format
.grd
–
Surface grid file, used for volumes
.cfg
–
Stores configuration settings
.fld
–
Field to Finish file, stores rules for inserting symbols for points
(LDT
Description Key functionality) and automated linework functionality
(Autodesk
Survey Figures equivalent)
.lot
–
.adf
–
Annotation Default file
.pro
–
Profile file
.mxs
–
Section Alignment file
.grp
–
Point Group definitions
.rdn
–
Roadway Networks
.sct
– Road
Sections
.tpl
– Road
Templates
.rdf – Road Design Files