Quick Answer: Why are my AutoCAD lines jagged?

Why is my AutoCAD so choppy?

Outdated graphics driver. AutoCAD is using the wrong graphics card. Missing AutoCAD updates. Graphical hardware acceleration is disabled in AutoCAD.

How do you smooth out a polyline?

Enter f (Fit) to create an arc-fit polyline, a smooth curve consisting of arcs joining each pair of vertices. Enter s (Spline) to create an approximation of a spline. Enter d (Decurve) to remove extra vertices inserted by a fit or spline curve and to straighten all segments of the polyline.

How do I flatten all lines in AutoCAD?

To flatten a drawing automatically in AutoCAD:



Type FLATTEN at the command line. Select all objects and press the Enter key. Type N for No when prompted to remove hidden lines.

How do you fix zigzag lines in AutoCAD?

Line smoothing is disabled.

1. Solution: To improve the display of lines, do one or more of the following:
2. Disable Hardware Acceleration. See: How to enable or disable hardware acceleration in AutoCAD.
3. Enable Smooth Line Display. On the command line in AutoCAD, type LINESMOOTHING and set it to On or 1.
4. Enable WHIPARC.

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.

Why is my AutoCAD snapping weird?

Check that osnap is On (OSNAP command) and that the snap function is also selected. Flatten the drawing or make sure that all objects are on the same plane, or with the same Z value. Check the value of the AUTOSNAP variable and make sure that it is an odd number.

How do I stop snapping in AutoCAD?

Running object snaps can be turned on and off from the status bar.

1. 1 On the status bar, right-click the Object Snap button and click Settings.
2. 2 In the Drafting Settings dialog box, Object Snap tab, click Clear All and then select:
3. 3 Click OK.

How do I clean up a CAD file?

Items can be purged individually by right-clicking on the object in the list and choosing purge. To quickly clean out a drawing, simply choose the Purge All option to remove every item available to purge in one click.

How do I get rid of Z axis in AutoCAD?

Easy… Making sure you’re in your top down view and select everything in your drawing (Ctrl+A). With everything selected use the command “FLATTEN”. This will Flatten your drawing removing any Z axis values.

How do I flatten in AutoCAD 2020?

Tool Set: Drafting tab > Modify panel > Flatten Objects. Menu: Modify > Flatten Objects. FLATTEN creates a 2D representation of selected objects and projects them onto the current viewing plane. FLATTEN results in 2D objects that retain their original layers, linetypes, colors and object types where possible.

How do you get Z coordinate 0 in AutoCAD?

in the case of plines you have to set “elevation’ to 0. And in the case of 3D polylines (if you have any) you need to explode them, put the lines start and end of all the lines to 0 (zero) in the z coordinate, and then pedit them back to polylines and join them up.