AutoCAD

How to Use Viewports in AutoCAD

Understanding Viewports in AutoCAD

Viewports serve as windows that showcase different perspectives of model space on a layout. These objects allow you to display aspects of 2D and 3D drawings at various scales and perspectives, providing flexibility in presentation. In AutoCAD, viewports are created within paper space, allowing users to arrange multiple views on a single layout.

Inserting a Viewport

To add a viewport to your layout, follow these steps:

  1. Navigate to the View tab on the ribbon.
  2. Select Viewports, then choose New Viewport.
  3. A dialog box will appear. Enter a name for your new viewport to identify it easily.
  4. Choose a viewport type from the Standard Viewports list according to your needs.
  5. Click OK to proceed and create the viewport.

Purpose of Viewports

The primary role of viewports is to enable users to present various views of their models on different scales. This feature allows for a more informative layout, making presentations clear and tailored to specific perspectives, which can be particularly useful for clients and collaborators during reviews.

Unlocking Viewports

To unlock a viewport in AutoCAD, follow these instructions:

  1. While on your layout, select the boundary that defines the viewport you want to unlock.
  2. Look for the customization button situated in the lower right corner of your screen and click it.
  3. Select the option to unlock the viewport from the drop-down list provided.

Making Adjustments to Viewports

Modifying viewports can enhance your layout significantly. Here’s how to do it:

  1. Click on the appropriate layout tab where you want the viewport.
  2. Set the current layer to one designated for viewports; this step organizes your workspace better.
  3. Access the Layout tab and look for Layout Viewports, then select Insert View.
  4. Right-click to display available scales and select one that suits your needs.
  5. Click to position the viewport directly on your specified layout.

Creating Viewports Manually

For those who prefer to create viewports manually, proceed with the following steps:

  1. Go to the View tab, and in the Viewports panel, select New.
  2. Choose the Single option from the Standard Viewports tab in the dialog box.
  3. Click to define one corner of your new viewport, then click again for the opposite corner.
  4. A new viewport object will be created, defaulting to show a view of your model.

Understanding Window vs. Viewport

The distinction between windows and viewports is important for effective modeling:

  • A window refers to a specific rectangular area defined by world coordinates, clarified with a GWINDOW command.
  • A viewport is a rectangular area displayed in normalized coordinates, highlighting part of your model within the drawing canvas.

Maximum Viewports in AutoCAD

AutoCAD allows users to set up as many as 64 active viewports at one time. To change this limit:

  1. Modify the MAXACTVP system variable to increase the allowable number of active viewports.

FAQs

  1. What are the advantages of using viewports in AutoCAD?
    Viewports facilitate diverse views of model space, enhancing clarity and organization in drawings, showing varying aspects without cluttering the workspace.
  2. How can I ensure the correct scale in my viewport?
    Always verify the scale settings within the viewport properties before finalizing your drawing layout to maintain accuracy.
  3. Can I lock a viewport after adjustments?
    Yes, after positioning and scaling your viewport as desired, you can lock it from the properties panel to prevent unintended changes.

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.