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Civil 3D Percent Slope
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greatsyd View Drop Down
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Joined: 22.Jan.2019
Location: Belgium
Using: Civil3D, Cyclone, BricsCAD, Spatial Analyzer
Status: Offline
Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote greatsyd Quote  Post ReplyReply Direct Link To This Post Topic: Civil 3D Percent Slope
    Posted: 24.Jan.2019 at 13:34
Can anybody tell me how Civil calculates the percentage of Slopes?

Thank you very much!
Trial and "FATAL ERROR" is the key to success!
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nkiakas View Drop Down
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Joined: 01.Jun.2017
Location: Greece
Using: AutoCAD,Civil3D,Revit
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nkiakas Quote  Post ReplyReply Direct Link To This Post Posted: 27.Mar.2019 at 07:49
Civil 3d calclulates triangles.
These triangles have a specific and only one slope.
So when civil 3d returns the slope, in fanct returns the slope of each triangle.
In fact the slope of each triangle is a slope of a "straight furface", coming from the 3 points of the triangle.
I hope i helped you 
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c.chambers View Drop Down
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Joined: 17.Mar.2019
Location: Canada
Using: AutoCAD 2019, Civil 3D 2019
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Points: 9 		Post Options Post Options   Thanks (0) Thanks(0)   Quote c.chambers Quote  Post ReplyReply Direct Link To This Post Posted: 28.Mar.2019 at 01:35
Are asking about the specifi formula Civil 3D uses ? If so, Civil 3D creates surfaces using the Delaunay triangulation method. 

from there slopes are derived use the triangles as described by nkiakas

C. Chambers
Infratech Civil
https://infratechcivil.com
C. Chambers, Civil Application Specialist
---
www.infratechcivil.com
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