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A-rray of Sunshine
30 Oct, 2011 By: Lynn AllenCircles and Lines Tutorial: More visual, smarter, and easier to modify, these new associative arrays are a bright spot in AutoCAD 2012.
Editor's note: This article was originally published in the Fall 2011 issue of Cadalyst magazine.
For as long as I can remember, AutoCAD has had the Array command. Although it has been updated along the way, those updates are nothing compared to the array overhaul you'll find in AutoCAD 2012. These new crowd-pleasing associative arrays are much more visual, smarter, and easier to modify. You'll also find that they are a one-stop shop for both 2D and 3D arrays.
Best of Both Worlds
Let's say we have a room full of chairs we need to lay out. The Array command is a natural choice. We indicate the number of rows, number of columns, and the distance between the chairs, and the Array command does a beautiful job; our chair layout looks perfect.
But, what happens if we need to make changes to those chairs? What if we need to change the distance between them or change the number of rows and columns? The traditional Array command would definitely let us down here. Most likely, we'd have to erase all the added chairs and start again. In the past, once an array was complete, AutoCAD had no idea the objects were part of an array and they were all treated as individual objects.
Not so with the updated Array command in AutoCAD 2012! Now, you can easily make changes to the arrayed objects after the fact. You can change the number of rows, columns, and distance between the chairs — as many times as you like. An array in AutoCAD 2012 knows it's an array, even after the command is finished. The icing on the cake is that you can still manipulate the objects of the array individually. It's the best of both worlds!
Follow the Path
But wait — there's more! Now, there's a new associative Path Array command in AutoCAD 2012, found on the Home tab of the ribbon. 
The new Path Array command is
located on the Home tab of the ribbon.
Taking a closer look, let's array a block of a tree along a spline curve. 
Use Path Array to array the tree block along the spline.
After selecting the object to array (the tree) and the path (the spline), indicate the number of items (trees) and the distance between the items. This new array is very visual, and you can see a preview of the array as you construct it. A final Enter accepts the path array and creates your array.
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AutoCAD Tips!
Autodesk Technical Evangelist Lynn Allen guides you through a different AutoCAD feature in every edition of her popular "Circles and Lines" tutorial series. For even more AutoCAD how-to, check out Lynn's quick tips in the Cadalyst Video Gallery. Subscribe to Cadalyst's Tips & Tricks Tuesdays free e-newsletter and we'll notify you every time a new video tip is available. All exclusively from Cadalyst! |
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