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The Tutorials section provides over 100 original tutorials for AutoCAD, 3ds Max and other design applications. Michael’s Corner is an archive of productivity articles that brings you the best AutoCAD tips and tricks. Our Forum is a lively community where AutoCAD users can ask questions and get answers. The Downloads area provides free AutoCAD blocks, free AutoLISP routines and free images.
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AutoCAD Productivity
“Best of” Basics: Irregular Viewport
From: AutoCAD Productivity Articles #145
Originally published: April 2016
When you need a viewport shape other than a rectangle, the first order of business is to be able to view the objects in Model Space at the desired scale. From there, you can create a polyline to essentially ‘crop’ the objects in Model space, then turn it into a viewport.
The best drawing for testing this is in the path…
C:\Program Files\Autodesk\AutoCAD 20xx\Sample\Database Connectivity
If you have AutoCAD 2014 or prior, the drawing name is db_samp.DWG
If you have AutoCAD 2015 or later, the drawing name is Floor Plan Sample.DWG
How to Create an Irregular Shaped Viewport
Right-click on a layout tab and make a new layout with a large viewport.
Double-click in the viewport, then set the desired scale from the scale list on the Status bar. You may want to start with 1/64″ = 1′-0″ so you can see all of it.
Return to Paper space and create any closed polyline, spline or circle to be the viewport.
Note: If you are creating a Polyline, you must use the Close option if it is to be converted into a viewport. If you did not use the Close option, use Pedit and select the polyline, then use the Close option.
In this illustration, I created a polyline around the perimeter of the floorplan. (Ideally, this would be on a dedicated layer on which you typically create your viewports).
On the Layout tab, click Clip.
When prompted to select the ‘viewport to clip’, select the rectangular viewport.
When prompted to select the ‘clipping object’, select the polyline (or whatever object you created in Step 3, above).
AutoCAD will convert the polyline into a viewport and erase the original rectangular viewport!
See all the articles published in April 2016
Michael's Corner
Between 2003 and 2016, Michael Beall (and one or two guests) wrote almost 600 articles for CADTutor. The focus of these articles is AutoCAD productivity, and although some of them are now more than a few years old, most remain relevant to current versions of AutoCAD. The article above is just one example. Check out Michael's Corner for a full listing.
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Over the years, our forum members have contributed hundreds of images, showcasing their amazing work. The images above are just a small selection that demonstrate the wide range of project types our community is involved with. Take a look at our gallery to see all the images published in the last 12 months.
Tip of the Day
Command line in a window (F2)
The command line can be very useful, especially for beginners because AutoCAD often gives useful prompts which helps when learning how to use some of the more complicated commands. The command line is also used by AutoCAD to report information back to the user, but sometimes that information may run to several lines of text, and disappear from view. A good example of this is the Distance command (you can run this from the keyboard by typing DIST). The problem is that by default, the command line is only two lines high and so if you use the Distance command, you don't even see the distance reported to the command line.
One way round this problem is to increase the depth of the command line to show more lines but this takes up valuable drawing area. A better solution is to display the command window using the F2 key on the keyboard.
As you can see above, the command window also allows you to scroll back through the command line so that you can review your recent drawing history.
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