How do you remove contour lines in AutoCAD?

How do I delete a contour line in AutoCAD?

Select the contour graphically or by using an AutoCAD command, such as PEDIT or PROPERTIES. Perform the edit to the contour. You can insert, move, and delete contour vertices, as well as redefine the elevation at a selected vertex.

How do I remove contours from my surface?

The lines that cross the pond area



In Toolspace, on the Prospector tab, expand the surface Definition collection, and right-click the Edits item. Click Delete Line.

How do I edit contour lines in AutoCAD?

Edit any contour that you have defined by selecting it in the drawing.

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1. Select the contour graphically or by using an AutoCAD command, such as PEDIT or CHANGE.
2. Perform the edit to the contour. …
3. Rebuild the surface to update the contour definition by right-clicking the surface in the Prospector tree and clicking Rebuild.

How do you draw a contour line in Autocad 2021?

To Add Contour Lines

1. In Display Manager , right-click a surface layer, and select Create Contour Layer.
2. In the Generate Contour dialog box, enter a name for the new Display Manager layer that will contain the contour lines.

How do you clean up a Civil 3D drawing?

Remove Unused Data



To run the command, click Application menu Drawing Utilities Purge . A secondary command removes unused registered applications (regapps) from a drawing. To run this command, enter -purge on the command line, then enter the command option “r” to remove regapps.

How do you edit contours in Civil 3D?

Grip-Editing Contours in Civil 3D

1. Select your surface. …
2. In the Extract Objects from Surface dialog box, clear all check boxes except for Major Contours and Minor Contours. …
3. Click on a polyline representing your major and another representing your minor contours. …
4. Add the polyline contours to your surface.
5. Grip edit.

How do you smooth contours in Civil 3D?

To smooth the contours, go into the style the surface is using and, on the contours tab, toggle the option to smooth the contours to True. Once you have this toggled on, you can select the type of smoothing you want to apply to the surface as well as how aggressive you want the contour smoothing to be.

How do you change the contour color in Civil 3d?

Solution:

1. Go to Surface Style>Contours tab.
2. Under Contour range set “Use Color Scheme” to True.
3. Apply and close dialog.

How do you add contours to a surface in Civil 3d?

You can add contour data to an existing TIN surface.

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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 extend a surface in Civil 3d?

To Extend a Surface

1. Click Surface tab > Edit Panel > Surface Extend. Find. …
2. Select one or more surface edges and press Enter.
3. Enter m (Modes) and specify the general shape of the extension: …
4. Specify whether the surface is merged or appended: …
5. Enter the distance of the extension and press Enter.

How do you trim a 3d surface in Autocad?

Trim a Surface

1. Click Surface tab Create panel Trim. Find.
2. Select the surface and press Enter.
3. Select the cutting curves and press Enter.
4. Select the surface areas to remove and press Enter. The selected areas are remove d.

What are Breaklines in Civil 3d?

Breaklines are line data that can improve a surface. They provide more information to the surface and influence how it is triangulated. Adding a breakline forces the surface to create triangles connecting the vertices on the breakline.