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Change Geometry without Editing It
Tip# 3632 By Danny Korem On 01-May-2011
Rated By 2 users
Categories : 2D Editing
Software type : AutoCAD 2012
Rename File To : No Files to download.
Use parametric constraints when editing linework.

Tipster Danny Korem sends us a tip about using parametric constraints in AutoCAD to help edit your linework.

"When you need to edit geometry (that's what we do 70% of the time), try to implement the parametric features. I love them! You can assign the minimal set of constraints to the geometry very easily, then edit the geometry by changing the values of the dimensional constraints. As in the case of usual dimensions, you can use this great feature by pointing to the first extension line and then the second, or you can click Enter when prompted and select the object. (Pay attention to the difference, of course.)"
Notes from Cadalyst Tip Patrol:
Parametric constraints define and control your linework. Geometric constraints define the geometric relationships between objects. They will keep lines parallel, perpendicular, equal in length, horizontal, constrained to a specific coordinate, and more. Dimensional constraints define, control, and maintain the lengths and angles of objects, as well as the spatial relationship between objects.

Every dimensional constraint is listed in, and can be edited in, the Parameters Manager. Once both geometric and dimensional constraints have been thoroughly applied, users can edit the linework from the Parameters Manager. Change the value of the dimensional constraints, and the linework adjusts accordingly and is controlled by the geometric parameters. So, you can change your linework without editing your linework — nice trick!


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