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Corridor Boundary not working

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Message 1 of 11
Kenth_Kristoffer
7758 Views, 10 Replies

Corridor Boundary not working

Hello, I have my 'datum/formation' corridor surface.

I applied 'daylight' as my boundary and yet you can see it goes beyong daylight.

Why does this happen?

 

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10 REPLIES 10
Message 2 of 11

Do you have "concave" areas in your corridor where the road goes around a curve? Sometimes the triangles "infill" the inside of the curve which gives dubious surfaces.

Display the corridor surface with triangles and look for incorrect areas and use the editing tools to remove these.

neilyj (No connection with Autodesk other than using the products in the real world)
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Message 3 of 11

Did you make boundaries?

Message 4 of 11

Yes I did.
Message 5 of 11
csevers
in reply to: neilyj666

There has to be a better way. I just ran into this problem working ona corridor up the side of a mountain. The whole alignment is switchbacks. The errorneous part of the surface is as big as the correct part.

Chris Severs, PE
Windows 7 Enterprise SP1 64 bit
64.0 GB RAM
Intel Xeon E5-2650 v3 @ 2.30GHz
NVIDA Quadro M4000
Civil 3D 2014
Message 6 of 11
annw2
in reply to: Kenth_Kristoffer

I've never seen this.  Are you sure your targets are correct?

Ann Wingert, P.E.
Message 7 of 11
csevers
in reply to: annw2

Yes, I'm sure. See attached photos.

 

1.JPG

 

2.JPG

 

3.JPG

 

4.JPG

Chris Severs, PE
Windows 7 Enterprise SP1 64 bit
64.0 GB RAM
Intel Xeon E5-2650 v3 @ 2.30GHz
NVIDA Quadro M4000
Civil 3D 2014
Message 8 of 11

If the corridor overlaps itself in any areas (could be very small), then even if a corridor boundary is applied, you'll have this issue. 

 

Alternative is to use the command under Home tab, Create Design, Panel Drop down, Create boundary from corridor. Then try to add this boundary to a surface. If the boundary won't add to the surface, then you'll know there's overlapping going on. Surface outer boundaries must be closed, non intersecting polylines/feature lines.

 

From here you can determine where the issue is and adjust your corridor/boundary



Steve Hill
Civil Designer / .NET Developer
AutoCAD Certified Professional
AutoCAD Civil 3D Certified Professional
http://redtransitconsultants.com/
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Please select the Accept this solution button if my post solves your issue or answers your question.

Message 9 of 11


@redtransitconsultants wrote:

If the corridor overlaps itself in any areas (could be very small), then even if a corridor boundary is applied, you'll have this issue. 


When trying to apply the boundary using extents as outer boundary, were there any errors listed in panorama such as mask "0" ?

If so, choose the zoom to option if listed in panorama and it zooms to the problem areas showing any overlaps as Steve mentions.

 

Then the problem can often be corrected by changing daylighting etc.

C3D 2018.1
C3D 2016 SP4

Win 7 Professional 64 Bit
Message 10 of 11
csevers
in reply to: Jay_B

Yes, I've got a bowtie in one area, and I'm getting the error you're talking about. I just wish people would draft lines perpindicular and tanget to eachother. They don't realize how much more difficult it makes my life when I have to redraw everything before I start my design from the conecptual sketchs I'm given.

 

The corridor boundary problem is resolved. Thank you.

Chris Severs, PE
Windows 7 Enterprise SP1 64 bit
64.0 GB RAM
Intel Xeon E5-2650 v3 @ 2.30GHz
NVIDA Quadro M4000
Civil 3D 2014
Message 11 of 11

Preaching to the choir @csevers ! Non-tangency in alignments can cause a lot of issues.



Steve Hill
Civil Designer / .NET Developer
AutoCAD Certified Professional
AutoCAD Civil 3D Certified Professional
http://redtransitconsultants.com/
Autodesk Exchange Store
Twitter | LinkedIn



Please select the Accept this solution button if my post solves your issue or answers your question.

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