Frequent question: How do you extract a surface in AutoCAD?

How do I extract a surface from a solid in AutoCAD?

To Extract Curves from Surfaces, Solids, and Faces of Solids

1. Click Surface tab Curves panel Extract Isolines. Find.
2. Select a surface, solid, or face.
3. Click to extract an isoline curve represented by the preview line. …
4. If necessary, enter D the direction in which the curves are detected. …
5. Press Enter to end the command.

How do you extract a surface boundary?

Solution:

1. Select the surface in the drawing.
2. Click the “Extract from Surface” button in the contextual surface ribbon tab.
3. Choose the “Extract objects” option.
4. Check “Border” in the window that follows and click OK:

How do you extract a surface in Civil 3d?

Click TIN Surface tab >> Surface Tools panel >> Extract from Surface drop-down >> Extract Objects >> Find. The Extract Objects From Surface dialog box lists all of the surface properties that are visible in the currently selected surface style. Clear all boxes in the Properties column except for Watersheds. Click OK.

How do I transfer a surface from one drawing to another?

To copy a surface between drawings try the following workflow:

1. In the Toolspace / Prospector, select the surface.
2. Right click on the surface and select export Landxml (alternatively use the LANDXMLOUT command)
3. In a new drawing, import Landxml (alternatively use the LANDXMLIN command)

How do I convert 3D face to 3D in AutoCAD?

Solution

1. Enter CONVTOSURFACE on the command line.
2. Select the face that you want to convert.
3. Enter THICKEN on the command line.
4. Select the surface.
5. Enter a thickness value for the selected surface on the command line.
6. When prompted, choose whether or not to erase the defining surface.

How do you make a polyline surface?

Yeah. Turn your border on within your surface style, select surface and within contextual ribbon there is a extract objects icon, then a dialogue will pop up asking what you would like to extract. Uncheck everything except for border, hit ok. Border will be extracted as a 3dpolyline.

How do you extract points from contours in Civil 3D?

You have the ability in Civil 3D to extract objects from a Surface. Things such as Contours, Points, etc. You can do this using the _AeccSurfaceExtractObjects command. This will bring up a dialog box that lists what can be extracted.

How do I insert a surface into AutoCAD?

To Add Surface Point Data From AutoCAD Drawing Objects

1. In the Toolspace, on the Prospector tab, expand the surface Definition collection, right-click , and click Add.
2. In the Add Points From Drawing Objects dialog box, select the object type from the Object Type list.

How do you data reference a surface in Civil 3D?

To create a reference to a data shortcut surface

1. In Toolspace, on the Prospector tab, in Master View, ensure that the correct working folder is identified on the Data Shortcuts node.
2. Expand the Data Shortcuts Surfaces collection, right-click the desired surface, and then click Create Reference.