Alignment curves add PI

[Ingrid91]

Hi,

So I have taken over a model that someone else has created. In it there is an alignment made entirely out of curves. 

I need to add an element (another curve) between the curves but the program will not allow me to "Add PI" or "Break apart PI".

Am I missing something?

[ecfernandez]

Hi @Ingrid91, a few screenshots or a sample file could help to understand the alignment configuration. Could you please share more information?

Regards!

[nkiakas]

Hi @Ingrid91 

If you want to add a curve no need to add PI.

Select your alignment and then click on geometry editor

On the geometry editor, you have several ways to add curves.

Regards

[J-Porter · Accepted solution]

Sounds like you have a reverse curve.  You need to create an alignment from the existing alignment leaving out a section where the two meet.  Then you can manually add in a line and PI info.   In the image below I have the original alignment on the left and the one I created from it moved over to the right.  As you can see, I left out the section where they meet. To accomplish this, I followed these steps:

Create a new alignment from the existing alignment, specifying the start and end points of the portion you want to isolate.

• Go to "Alignment" > "Create Alignment from Existing Alignment".
• Select the alignment you want to use as a starting point.
• Select the start and end split points and hit "F" (Finish).
• Name your new alignment.

[Ingrid91]

This is the closest to a solution that would work, based off of my problem.

It is strange though, that it should be difficult to add elements in an existing alignment without having to create a whole other alignment or delete an element...

[J-Porter]

It's because reverse curves are not easy to deal with.  I know it's a long workaround solution, but that's all I can think of at the time.