Parametric Constraints …the Final Chapter. Holiday Bonus Blog!


Dimensional Constraints

DIMCONSTRAINT options

DIMCONSTRAINT options

The DIMENSIONAL CONSTRAINT commands allow you to control objects through dimensions. A good way to look at it is, “Regular AutoCAD Dimensions” update when the object changes size and so on, but with “Dimensional Constraints”, it’s like the opposite, the object changes when the Dimension is changed. In the latest version of AutoCAD now includes a new Convert option to convert associative dimensions to dimensional constraints rather than it being the default behavior.

Dimensional Constraints

Dimensional Constraints

Dimensional constraint visibility tools

Dimensional constraint visibility tools

When entering dimensional constraint values in‐place, you can click on an existing dimensional constraint to insert the constraint name. When dynamic dimensional constraints reference another parameter, the parameter text is prefixed with “fx:” to help keep you from accidentally assigning a constant value to a parameter that references other variables.

New tools on the Dimensional Panel of the Parametric tab provide you with more control over the visual display of dimensional constraints. Using the Show/Hide tool you can select the specific dimensional constraints you want to show or hide on the screen.

Parameter group filters

Parameter group filters

A new search filters the parameters displayed in the grid based on the parameter’s name. The column tooltips display the full name of the column as well as a description. Additional improvements have been made to the Parameters Manager dialog simplifying the terminology for dimensional constraints and user variables created in the drawing editor vs. the block editor. The Show column in the Block Editor includes a new option to convert between dimensional constraint parameters or user parameters defined in the drawing editor versus the block editor. Icons are displayed for action parameters, attributes, and user parameters, in the Block Editor.

And that’s it for this year! I hope you enjoyed the information throughout this year’s Blogs and Videos and look forward to some more tricks with AutoCAD 2011 based products and a look at the new features in the next release (AutoCAD 2012) sometime early this spring when it is announced. Until Next Year… this is Isaac saying thank you for a great 2011, and HAPPY NEW YEAR!!!

Isaac is the go-to guy for the AutoCAD skills that lie at the foundation of AEC software tools and increased productivity. And you’d be hard pressed to find someone who knows more than he does about how to be more efficient in AutoCAD. Isaac can present best strategies and tips for productivity because he understands his audience and what they do. He has a high number of repeat customers who like his dynamic style and keep returning to learn more from him.

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