How do you smooth lines in Civil 3d?

How do I smooth a line in AutoCAD?

Enable Smooth Line Display



On the command line in AutoCAD, type LINESMOOTHING and set it to On or 1.

How do you smooth edges in AutoCAD?

Go to Tools, Options, Display……….. under Display Resolution make Arc & Circle Smoothness value 100. >Go to Tools, Options, Display……….. under Display Resolution make Arc & Circle Smoothness value 100.

How do you smooth a surface profile in Civil 3d?

In Toolspace, on the Prospector tab, expand the XGND surface Definition collection and right-click Edits. Click Smooth Surface. The Grid Based output location interpolates surface points on a grid defined within specified polygon areas selected in the drawing.

How do you smooth a surface?

To smooth a surface,

  1. Activate the Surfacing module. …
  2. Click Surfacing and then, in the Advanced Surfacing group, click Smooth Surface. …
  3. Click the surface you want to smooth. …
  4. Enter a surface approximation tolerance in the Tolerance data entry field. …
  5. Click Smooth to smooth the surface with the given tolerance.

How do I fix lines in AutoCAD?

For AutoCAD 2018 and older or earlier.



“Graphics Performance” dialogue box will appear on your screen. Uncheck the “Display Smooth Line Display” option, and then you try to zoom in and zoom out. Click on Ok to save the changes. Now you try to zoom in or zoom out, and you will see that no more lines.

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How do I draw a smooth curve in AutoCAD?

To Draw a Line and Arc Polyline

  1. Click Home tab Draw panel Polyline. Find.
  2. Specify the start point of the polyline segment.
  3. Specify the endpoint of the polyline segment. …
  4. Specify additional polyline segments as needed.
  5. Press Enter to end, or enter c to close the polyline.

How do I draw a curved line in AutoCAD?

Click Home tab Draw panel Curves drop-down Create Curves Between Two Lines Find.



Enter one of the following options to define the curve:

  1. Enter Length, or L, and then enter the length or pick the distance in the drawing.
  2. Enter Tangent, or T, and then enter the tangent length or pick the distance in the drawing.

How do I create an alignment in Civil 3D?

Creating an Alignment with the Alignment Layout Tools

  1. Click Home tab Create Design panel Alignment drop-down Alignment Creation Tools . …
  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.

How do I create an alignment in surface Civil 3D?

Click Home tab Create Design panel Profile drop-down Create Surface Profile Find. In the Create Profile from Surface dialog box, in the Alignment list, select the horizontal alignment to use for the profile. Ensure that the surface you want to use is listed in the Select Surfaces list.

What is a smooth surface?

A smooth surface has no roughness, lumps, or holes.

How do you add contour lines 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.
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