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Chapter 17: Making “Smart” Drawings with... > Using Formulas to Control and Link D...

Using Formulas to Control and Link Dimensions

In the last exercise, you saw how the dimensional constraint attached to the arc affected the drawing. But in that example, the circle on the left end of the drawing remained unaffected by the change in the arc size. Now suppose that you want that circle to adjust its size in relation to the size of the arc. To do this, you can employ the Parameters Manager and include a formula that manages the size of the circle.

In the following exercise, you’ll add a dimensional constraint to the circle and then apply a formula to that constraint so that the circle will always be one half the diameter of the arc, no matter how the arc is modified.

Start by adding a diameter constraint to the circle:

m1707.tif

1. First click the Undo tool in the Quick Access toolbar to change the drawing back to its previous shape.


  

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