How do you create a surface from Topo in Civil 3D?

How do you make a surface from Topo in Civil 3D?

Go to the Prospector tab in Toolspace and right click on Surfaces, select Create Surface. Alternatively, you can type CREATESURFACE at the command line. Either method will bring the Create Surface Dialogue Box up as shown below.

How do I make a surface out of contours in Civil 3D?

To Add Contour Data to a Surface

1. In Toolspace, on the Prospector tab, expand the surface Definition collection, right-click Contours, and click Add.
2. In the Add Contour Data dialog box, enter the contour description in the Description field.

How do you make a surface in Civil 3D?

Civil 3D – Create a Surface from the Site Scan DTM

1. Download the DTM (Tiff) from Site Scan. (If the DTM is not showing, reprocess the flight data).
2. Select : Home > Surfaces > Generate a surface from DEM.
3. On the File name type *.* and hit ENTER (to view all the files in the folder). Select the DTM tiff File.

What is COGO point?

The points created by AutoCAD Civil 3D are called Coordinate Geometry (COGO) points, which are very different from AutoCAD point nodes. AutoCAD point nodes have only coordinate data (XYZ values) associated with them.

How do you create a surface in Civil 3D from 3D polylines?

On the Prospector tab of the Toolspace, right-click on Surfaces and select >> Create Surface.

1. Confirm that TIN surface is selected as Type.
2. Select the desired Surface layer and Style.
3. Click <> to close the Create Surface dialog box.
4. On the Prospector tab of the Toolspace, expand the Surfaces node.

How do you make a surface from contour lines in AutoCAD?

use AutoCAD Civil3D. Briefly, in the Prospector, go to the Surfaces node and expand it. Right-Click on Surfaces and Create Surface. You will be able to create the surface based on multiple data sources including contours (the lines must be at the correct elevation), drawing objects, points and breaklines.

How do you make a surface in Rhino?

Create a surface from points



Fit a rectangular planar surface through points. Draw a surface from a grid of points that represent surface control points. Draw a surface from three or four corner points. Draw a surface from a grid of points that lie on the surface.

How do you make a surface from contours in rhino?

How to make topography models in Rhino with 4 easy steps

1. Step One – Prepare your Contour Lines. You can import most CAD drawing formats directly into Rhino although some information will be lost. …
2. Step Two – Extract Points. …
3. Step Three – Create a Patch Surface. …
4. Step Four – Trim.