AutoCAD

How to Get a Dashed Line in AutoCAD?

Understanding Dashed Lines in AutoCAD

Dashed lines are crucial for representing various elements in technical drawings. They serve multiple purposes, such as indicating hidden elements or denoting specific features. In AutoCAD, configuring these lines effectively enhances the clarity of your designs. Here’s a thorough guide on how to get a dashed line in AutoCAD.

Step 1: Access the Layer Properties

  1. Navigate to the Home tab on the ribbon.
  2. Locate the Layers Panel, and click on Layer Properties. This panel allows you to manage different settings associated with layers in your drawing.

Step 2: Modify the Linetype

  1. In the Layer Properties Manager, find the column labeled Linetype.
  2. Click on the current linetype field corresponding to the layer where you want the dashed lines.
  3. A dialog box titled Select Linetype will appear. Here, you can choose from various pre-defined linetypes.

Step 3: Choose the Dashed Linetype

  1. In the Select Linetype dialog, scroll through the list to find a dashed linetype (such as "Dashed" or "Hidden").
  2. Once you’ve selected your desired dashed linetype, click OK to confirm your selection.

Step 4: Adjust the Linetype Scale if Necessary

If you notice that the dashed lines are not visible or do not appear as expected, you may need to adjust the linetype scale:

  1. Select the dashed line in your drawing.
  2. Access the Properties Palette—if it’s not visible, you can open it by typing PROPERTIES in the command line.
  3. Look for the Linetype Scale field. It likely defaults to 1.0. Increase this value to around 30 or higher to see a more pronounced effect.

Step 5: Examine Viewport and Display Settings

If the dashed lines still do not appear correctly:

  1. Check to see whether you’re working in model space or layout space, as this can affect visibility.
  2. Activate the desired viewport and ensure that your display settings allow for dashed lines. Click on the View tab, navigate to the Palettes panel, and access the Properties palette.
  3. Under the Misc section, ensure the Shade Plot field is set to As Displayed. This will ensure that your lines render as expected in the viewports.

Troubleshooting Dashed Lines

In some cases, dashed lines might not show up due to settings or specific configurations. Review the following:

  • Ensure that the Psltscale variable is set to a value that accommodates your viewport scaling.
  • To check or modify the Psltscale, enter the command PSLTSCALE in the command line and adjust the value accordingly. A value of 1 maintains line scale relative to the viewport.

Frequently Asked Questions

  1. Why aren’t my dashed lines appearing at all?

    • Incorrect line type settings, low linetype scale, or viewport display settings could be causing the issue. Adjust the linetype scale or check your viewport settings.
  2. Can I customize the dashed line pattern in AutoCAD?

    • Yes, AutoCAD allows the creation of custom linetypes. This can be done through the LINETYPE command, where you can define the pattern using a text file that specifies the dash lengths and spacing.
  3. Is there a way to make all dashed lines appear thicker?
    • Line thickness in AutoCAD can be adjusted using the Lineweight settings in the Layer Properties Manager. This allows for a uniform approach to line visibility across your design.

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.