AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

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Crossing Daylights

236 Views, 3 Replies
03-28-2014 08:13 AM

Dear all, 

 

I've looked on the internet for this problem and there is only one topci about it. (http://forums.autodesk.com/t5/AutoCAD-Civil-3D-General/Crossing-Daylight-Lines/m-p/3507854)

 

The problems is shown below. In a 'sharp' corner, the daylights cross eachother. 

 

Can somebody explain me how to solve this.. important is that the daylight function remains

 

 

CR1.png

Trust me - there are many, many threads on this topic going all the way back to the very first version of the software.  The problem is finding them, the forum search function doesn't work very well.

 

As the designer you need to decide how to solve this.  You could increase the curve radius so that the sections don't cross, or you can use steeper daylight slopes, or you can edit the corridor parameters to delete the daylight links in the overlapping sections.  There are other solutions also, but these are probably the most common answers.

 

Steve
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Re: Crossing Daylights

03-28-2014 08:43 AM in reply to: lex.kools

Trust me - there are many, many threads on this topic going all the way back to the very first version of the software.  The problem is finding them, the forum search function doesn't work very well.

 

As the designer you need to decide how to solve this.  You could increase the curve radius so that the sections don't cross, or you can use steeper daylight slopes, or you can edit the corridor parameters to delete the daylight links in the overlapping sections.  There are other solutions also, but these are probably the most common answers.

 

Steve
Please use the Accept as Solution or Kudo buttons when appropriate

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Re: Crossing Daylights

03-28-2014 10:04 AM in reply to: lex.kools

What you're describing is commonly referred to as a bow-tie effect. 

 

Searching (using bing search not the search on this site) for this query resulted in a number of links that like they should be of help.

 

Search query:  "civil 3d corridor bowtie effect".

Don Ireland



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Active Contributor
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Registered: ‎03-26-2014
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Re: Crossing Daylights

03-28-2014 10:31 AM in reply to: doni49

Thanks for the help

 

i found this video " http://www.youtube.com/watch?v=KnvmCRDl_MM "  and i fixed it. 

 

Thank again! 

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