Produkt(e):	MicroStation
	Version(en):	08.11.09.833
	Umgebung:	N\A
	Produktbereich:	Basisgeometrie
	Produktunterbereich:	N\A

Wie kann man eine Mittellinie-Element zwischen zwei Kurven / Linien konstruieren.

Hintergrundinformation

For example, take a river, or a road/highway where the width of the median may vary. I want to be able to pick the river or road edges and automatically get the center line (or as close as possible).

Erforderliche Schritte

One method to try and achieve this could be as follows:

1. In a 3d file, draw a construction line ( Yellow lines ) that connects at the ends of the curb lines

 

2. Use the 'Sweep Surface Along Curves' tool to generate surface (  tool settings : ' Sweep One along 2 or 3 ' / ' Arc Length' / ' Keep Path ' )

 

3. Use the ' Extract Iso-Curves ' tool to obtain the center line by clicking on the surface and snapping to the mid point (setting the 'Iso Value' to 0.5 may also work) of the yellow construction line.

4. Delete the surface (unless required)

 

Note: The center line in the above example may not be based on the point of perpendicular / tangency to the outside lines required.

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Englischsprachige Quelle

Construct center line element between two curves/lines