Feature line
is a special GeoWin DTM
object and it allows adding arcs to standard
3dPolyline. Its name is 3DCURVE. Primary use is e.g. as
communication axis or of watercourse.
User can create it in following ways:
Editor of altitudes of
3dpolyline, where 2d/3dpolyline can be input (or
3DCURVE).
Transmitting grade
line of profile to situation, input is 2d/3dpolyline
(profile asix in situation) and grade line of longitudinal profile
from which altitudes and potential altitudinal arcs will be
loaded.
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