I'm using Power Geopak V8i SS10. Very new user.
I created the incoming road and the intersection using breaklines. The issue I am running into is that the road coming into the approach has a 6" pavement depth and the intersection has 10" I wanted to model this correctly so I have 2 different terrain models for the 2 separate pavement depths. When I created the first one (incoming road) I just drew in a horizontal geometry line where the pavement depth changes and added that line and the edge of pavement as the boundary and then the centerline geometry as breaklines.
The problem is, when I do it on the intersection portion, I add the edge of pavement as boundary and then add centerline. It triangulates the entire centerline, not just the portion that is in the intersection. So it triangulates all the way back into the incoming road. Is there a way to clip these portions out? I am not sure if this is the best practice but it's what I have right now and need to get it pretty close.
Thanks for the help!
I guess an easier way to ask this.. How do I apply two different surface templates to the same terrain model? I guess this would be a way to do it as well.
Thanks
But do they have to be the same terrain model? You could design several different terrains to your specifications.That's the approach I am using. I have a rehab project with a number of intersections, milling depths, pavement types, etc., and I am designing it in parts to match the different regions. So far that seems to be working well enough.
If you want one model to control the design features, you can always go to the next model and use the "Single Offset Entire Element" by a distance of zero. At that point, I believe your secondary feature is controlled by/ruled to the primary feature, so the changes in the primary perpetuate.
MaryB
Power GeoPak 08.11.09.918Power InRoads 08.11.09.918OpenRoads Designer 2021 R2
No they definitely don't have to be the same terrain model. My initial approach was to just have 2 separate terrains, My first stretch worked fine, and when I did the intersection terrain as soon as I added the centerline it triangulates the entire stretch.
The first picture is after I created the terrain with the boundary. The second picture is when I add the centerline as a breakline.
Oh, that's not right...Hmmm...
Are you adding that centerline to the intersection, to the roadway, or to both?
Is it possible that you had the wrong terrain active when you added that centerline?
Is either terrain targeting the other?
It definitely looks as if the "southwest/lower left" corner of your intersection is now targeting that centerline.
With Civil Accudraw, it is very easy to create unintended rules. It's possible that you Accusnapped to something and created a rule without realizing it.
I am adding that centerline to both the roadway and intersection separately. Which terrain should be active? I guess I'm not sure, I think my existing ground survey is the active terrain. Neither terrain should be targeting each other.
It's likely I could have made an unintentional rule with Civil Accudraw.
I did get it to work using your 0.0 offset idea of my centerline and basically just made two centerlines, one for the road and one for the intersection. Probably not the best way to do it but it seems to have worked.
I think having a centerline for the roadway and for the intersection, separately, is the way to go. I'm not sure what happens when you try to have one feature as part of two different terrains, but I suspect it isn't good.