Best answer: How do you create a feature line in AutoCAD?

How do you add a feature Line?

Adding a Feature Line to a Surface as a Breakline

1. Right-click a feature line Add To Surface As Breakline. Note. …
2. In the Select Surface dialog box, select a surface, and press OK. Or, select the Add button to create a new surface.
3. In the Add Breaklines dialog box, specify the breakline options. Press OK.

How do I create a feature Line from an alignment?

Select a site in the list or click to select a site in the drawing. Select the option from the list to create the feature line outside of a site. Note: The feature line can not be created in the same site as the alignment. If the alignment is in a site, that site will not be available in the site list.

What does the fit curve edit for a feature line do?

Curved feature lines



To avoid tessellation, you can create a feature line from a 2D polyline with arcs, and then apply elevations using the Grading Elevation Editor. If you want to create a grading from a footprint that has tessellated curves, you can use the Fit Curve command to convert the tessellation to true arcs.

What is 3D polyline in Autocad?

Draws a three-dimensional polyline with straight segments. Although the 3D Polyline command does not have as many options as the Polyline command, you can apply editing changes, such as splining, with the Edit Polyline command after the three-dimensional polyline is drawn. An example of a three-dimensional polyline.

How do you add a polyline to a feature line?

To convert a 3D Polyline to a 2D Polyline, enter CONVERT3DPOLYS at the command line and select lines to be converted. Then you also may want to change elevations of resulting polylines to zero elevation.

How do I change a feature line in Civil 3d?

To Edit Feature Line Site Properties

1. In Toolspace, on the Prospector tab, expand the site collection right-click Feature Lines and click Properties.
2. Click the Options tab. …
3. Select the Filter Unused Styles check box to show only used styles.

How do I change the appearance line elevations?

Click Modify tab Edit Elevations panel Edit Elevations Find. Select the feature line or other object. To select the vertex or elevation point to edit, press Enter without entering a value. You can also enter Next or Previous to change the direction the command uses to step through the points.

How do you draw a 3D line in Civil 3D?

Solution:

1. Start 3D polyline command (command: “3DPOLY”)
2. While still in command type ‘PO (“Point Object” transparent command) in command-line. …
3. Click the first point and then on any subsequent points to create the desired line.
4. Hit Enter key.

What is alignment Civil 3D?

As in previous CAD versions, an alignment is a line that describes where you intend the centerline of your planned work to be and nothing else. But, in Civil 3D that line is now interactive with both existing ground and finished ground. You can move it around and it changes the stationing automatically.

How do you create a polyline alignment in Civil 3D?

To create an alignment from that polyline, on the ribbon, Home tab, Create Design panel, select Alignment > Create Alignment from Objects. The command line prompts you to select a line, arc or a polyline, or even objects that are lines, arcs, or polylines contained within an xref.

How do you convert a 3D polyline to a 2D polyline?

To Convert 3D Polylines to 2D

1. Click Modify tab Design panel Convert 3D To 2D Polylines Find.
2. Select the polyline(s) to convert. Press Enter.