What is PVI in Civil 3d?

What is PC and PT in Civil 3D?

PC=Point of curvature (Begin curve). PT= Point of tangency (End curve).

How do you delete a vertical curve in Civil 3D?

Click the profile. Click Profile tab Modify Profile panel Geometry Editor Find. On the Profile Layout Tools toolbar, click Delete Entity.

How do you insert PI in Civil 3D?

To add a PI to an alignment

1. Click the alignment. Click Alignment tab Modify panel Geometry Editor Find.
2. On the Alignment Layout Tools toolbar, click Insert PI.
3. In the drawing window, click the location for the new PI.

What is API in Civil 3D?

. NET API — allows you to write extensions to Autodesk Civil 3D in any . NET language. In general, the Autodesk Civil 3D.NET API performs significantly faster than the COM API. Development requires Microsoft Visual Studio 2008 SP1 or better. COM API — you can create clients that access the COM API from managed (.

What is PC and PT?

PC = Point of Curve. PT = Point of Tangent.

How do I add PVI in Civil 3d?

To insert a PVI

1. Click the profile. Profile tab Modify Profile panel Geometry Editor Find.
2. On the Profile Layout Tools toolbar, click Insert PVI.
3. Specify a point along the profile for the location of the new PVI. …
4. Optionally, add other PVIs.
5. Right-click to finish.

How do I remove the alignment from my curve?

To delete an alignment sub-entity using the Delete key

1. Ctrl+click an alignment sub-entity in the drawing.
2. Press Delete. The Tangency Constraint of adjacent entities automatically changes as necessary.

How do you create an alignment?

To Create an Alignment Using the Alignment Layout Tools

1. Click Home tab Create Design panel Alignment drop-down Alignment Creation Tools Find.
2. In the Create Alignment – Layout dialog box, enter a unique name for the alignment.
3. Specify the alignment Type.
4. Enter an optional description.
5. Enter a starting station value.

What is a profile in Civil 3D?

Profiles are the tools that give us the third dimension or elevation along the alignment. For this reason, profiles are often called vertical alignments. Whereas the alignment itself is called horizontal alignment. Therefore, a profile must always be associated with alignment.

What is vertical alignment in Civil 3D?

The vertical alignment, called a profile in Civil3D, is the centerline of the roadway viewed from a profile (or side) view and consists of tangents (grades) and curves. The curves in a vertical alignment differ from the horizontal alignment curves in that they are parabolic curves instead of circular curves.

What is AutoCAD API?

NET application programming interface (API). The AutoCAD . NET API allows you to automate tasks such as creating and modifying objects stored in the database of a drawing file or change the contents of a customization file.