Generate surface from a enclosed corridor that is open at the middle

[Eliasgalvan]

Hi,

How can I generate a surface from the corridor to be opened in the middle automatically?

I tried to set the outer boundary, but it did not work. Any other ideas?

Thanks!

[rl_jackson]

I would think if you are targeting a surface that it should not be doing that, but you might also try reducing the length of the surface triangles to stop this from happening.

[Jeew-m]

Hi,

Create a corridor surface.

Then extract the boundary of the surface. It will give you a surface boundary in the form of a 3D polyline.

You may delete the unwanted parts on the corridor surface boundary and retain only the inside 3D polyline.

Then create a surface and add the 3D polyline as a breakline to the surface.

Thanks

[Joe-Bouza]

Assuming the corridor surface is built on "Top Links" I would go to "corridor surface" and include the daylight feature line in the surface definition

[jroot · Accepted solution]

Perhaps the lazy way...  just ignore that area until all other things look "correct", then just delete those triangle lines in the middle as your last step.

[Domziman · Accepted solution]

There are 2 ways you can do this.

1- In your Corridor Surface Dialog box there are another tab on the top named: boundaries this tab let you set your outer boundary of the corridor, this will control the surface triangulation. if this fails (i have had loads of times where it does not do it correctly), you can manually remove the lines.

2. to manually remove the lines you have to set the corridor surface as triangles. the you go to edit surface and you want to use the "DELETE LINE" command. You can them simply remove the inside lines and then this will fix your triangulation.

[Apex-Solutions · Accepted solution]

@Eliasgalvan I would use option 1 as mentioned by @Domziman, but I can't help wonder if you created a looped road  (one alignment/baseline) section, it really does look like it.  If thats the case then you would have to use option 2 as mentioned by Domziman and @jroot . 

You could also look at adding a boundary to the surface definition that hides the internal area.

The reason is that if you use corridor extents for a looped road it will pick up the entire corridor outer extents which does not necessarily mean left and right.