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Arc/Polyline Curve Direction flipping on export to Siteworks

Question asked by Samuel Egelhoff on Sep 25, 2020
Latest reply on Sep 29, 2020 by Samuel Egelhoff

I am seeing two instances of strange curve behavior. Please see the below images. Black background are snips from TBC. White background are snips from Siteworks Emulator.

 

Instance 1

Correct Curve Direction - Trimble Business Center

 

When I check the design in the Siteworks emulator, I get the following curve.

Incorrect Curve Direction - Siteworks Design

Instance 2

TBC Design shows correctly.

Correct Curve Direction - Trimble Business Center

vs.

Incorrect Curve Direction - Siteworks Design

 

 

The design is type: Alignment. 1632 objects in design map, mainly alignment label entities. 

After I first saw the issue I started running project cleanup prior to adding linework to the design. I also went back to the base file in Civil3D and made the linework into polylines, 3dpolylines, and line/arc and I get the same result for these two curves no matter what I try. From C3D I export the linework as DXF for import into TBC. 

 

Any advice would be welcome.

Regards,

 

Sam

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