AutoCAD

How To Delete Multiple Lines In AutoCAD?

Understanding Line Deletion in AutoCAD

Deleting multiple lines in AutoCAD can streamline your workflow significantly. Below is a step-by-step guide on how to efficiently select and delete multiple lines.

Selecting Multiple Lines

  1. Activate the Selection Tool: Begin by activating your selection tool. You can simply click on the cursor icon on the toolbar or press the "Select" tool command.

  2. Use the Shift Key for Selection: To select multiple lines, hold down the Shift key. While holding Shift, click on each line you wish to select. Each selected line will be highlighted, indicating that it’s part of your selection set.

  3. Utilize a Crossing Window: Alternatively, you can use a crossing selection method:

    • Click and drag from right to left to create a selection window.
    • This will select any line that intersects with your rectangle regardless of whether it is fully enclosed within it.
  4. Using the Fence Tool: For selecting lines that are not contiguous, you can use the Fence tool:
    • Type “F” during the selection process, and then click along a path that intersects multiple lines.
    • This method allows for flexible selection of lines that may not be near each other.

Deleting Selected Lines

  1. Press the Delete Key: Once all desired lines are selected, simply press the Delete key on your keyboard. This will remove all highlighted lines from your drawing.

  2. Using the Command Line:

    • If you prefer using commands, type "ERASE" into the command line and press Enter.
    • When prompted, select the lines you want to delete and hit Enter again to confirm the deletion.
  3. Confirm Deletion: Ensure the lines have been removed. If you accidentally delete something, you can always press Ctrl + Z to undo the last action.

Alternative Methods for Line Management

For more complex situations, where lines are part of a larger wall of elements:

  1. Layer Control: Sometimes lines are part of a layer that can be turned off or frozen rather than deleted. Adjust the layer settings if you want to manage visibility rather than outright deletion.

  2. Group Selection: If lines are grouped, you may prefer to ungroup them first before attempting to delete to avoid removing unintended elements.

  3. Using Filters: To simplify selection among many elements, consider using selection filters. They allow you to select by type or layer, making it easier to identify which lines to delete.

FAQ

1. What should I do if I cannot select multiple lines in AutoCAD?
Verify that the "Use Shift to add selection" option in the Selection tab under Options is enabled. If you are unable to select multiple lines even after this, check if the objects are on locked layers or within an inactive viewport.

2. How can I remove a large number of lines quickly?
If you’ve grouped your lines or organized them into layers, you can delete entire groups or layers at once using the Layer Management tools rather than selecting individual lines.

3. Is there a way to recover deleted lines in AutoCAD?
Yes, if you delete lines accidentally, you can use the Undo command (Ctrl + Z) immediately to recover them. If you have saved the changes, that option may be limited, and you might need to use backup files or AutoCAD’s recovery options.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.