Get a comprehensive step-by-step guide on how to create a new design profile for main alignment in a development project with this article. Learn how to navigate the profile creation tools, rectify common errors, draw tangents, use points of vertical intersection, and integrate curves in the design profile effectively.
Key Insights
- The article presents a detailed process on how to use profile creation tools to design a new profile for your project's main alignment, starting with navigating to the profile dropdown on the ribbon bar.
- It explains how to draw tangents using points of vertical intersection, ensuring that the profile mimics the terrain of the area closely. The guide also includes instructions on how to rectify common errors, such as screen graying out, by saving, closing, and reopening the drawing.
- Adding free curves to the profile is an essential step in the process. This article guides you on how to add a parabolic curve to the profile, select the entity, specify the curve length, and take advantage of Civil 3D's automatic curve addition feature.
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In this video, we're going to go ahead and create a new design profile for our main alignment for our development area. So in order to do that, we're going to go ahead and navigate up to the ribbon bar, go to the profile dropdown and select profile creation tools.
Now, I may end up having the same error that I had last time, but if that happens, we'll just go ahead and close and then jump back in. So I'm going to go ahead and select my dev main profile window. I'm going to go ahead and choose dev main.
I'm going to go ahead and leave it as profile type next counter. And I'm going to go ahead and go with a design profile, and I'm going to choose complete label set this time. So from here, I'm going to go ahead and click okay.
And so what we can see here is that I didn't gray out, so that's okay, but we know the fix for that. So it wouldn't have been a big deal if it did. And so if yours grayed out, then you know that all you have to do is close your drawing and reopen it, but make sure you save before you close.
If you have the gray out, let's fix it, pause, and then you can jump back in with us. If you didn't have the gray out, let's keep on moving forward. So from here, we're going to go ahead and do a draw tangents.
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Now, this time, we're not going to draw a straight line. We're going to go ahead and use a couple of points of vertical intersection. And so we're going to draw tangents.
We're going to snap in to the endpoint on this terrain profile. Then we're going to point out to somewhere in here. What I'm going to be trying to do is I'm going to be trying to create a profile that closely mimics what's going on along this terrain here.
And then I'm going to try and have a curve that comes up through here and then mimics another line that goes along this area here. But for now, we're not putting curves in because we did tangent to tangent with no curves. We're going to go ahead and pick a point somewhere over here.
And then I'm going to go ahead and snap to the endpoint over here. When I do that, I pick that point and then I hit ENTER to get out of the command. And we now have a profile with two tangent sections.
So what we're going to do next is we're going to go ahead and add in a curve just like we did for our alignments. We're going to do a free curve. And we're going to do it as a parabola.
And we're going to go ahead and add that in now. We're going to select free curve parabola. And we're going to select this entity.
And we're going to select this entity here. And then Civil 3D is going to ask us to specify a curve length. So I know that just looking at this, that I want my curve to be kind of starting somewhere here, kind of ending somewhere here.
And so I can see I'm going from four to six there. So that's about a 200 foot length curve. So I'm going to go ahead and select 200 as my curve length.
And so when I do that, you'll notice that Civil 3D automatically put in this curve. And I'm going to go ahead and escape. And you'll see that Civil 3D has added in this new label, giving me information on my vertical curve for my profile.
So from here, we now have a profile that closely mimics what's going on with the existing terrain, and then comes up through here. We're going to save. And then I'll meet you in the next video, and we'll talk about grip editing.
