Tag Archives: Dimensions

Dimension Snap Adjustment

Heres a neat trick for your pre-holiday ARCHICAD-ing. In AC19 you may notice a lot of new pet palette options available when snapping on dimension elements.

One of these new options allows you to re-assign a dimension snap point by clicking on the dimensions tick mark hotspot. Click that point, then select this option from the pet palette:

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Then just select the point you want to dimension to. The dimension string will now be dynamically linked to that new point; dimensions will be adjusted with the element’s changes.

This is also a great way to assign associations between dimensions and elements, if there previously was not one, or a way to change a dimensions association to a new element or point.

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DIMENSIONING 101

I have a couple of quick tips on dimensioning tools and features that you may or may not know about. First is the “Dimension to Core” function in the dimension settings dialog box. If this is checked before (or after) placing a dimension that has been associated with a wall it will assign the dimension to link to the core elements of the wall only.

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The next tip is automatically dimensioning the exterior of of your building envelope. Even with a complex building profile you can simultaneously dimension all exterior faces of your plan in one operation. First, set your dimension style to what you want to see in plan view, this can be done simply by selecting the “Face of Framing” dimension from the favorites. Next, select your exterior walls (see the post on Find and Select for the most efficient way to do this). Then open the Automatic Dimensioning dialog (Document > Document Extras > Exterior Dimensioning), set the dimension settings in the dialog to reflect the elements and geometries you are trying to dimension. The image below shows the settings that work well; note that “Dimension Structures” and “Dimension External Geometry” should not both be checked.

After clicking “OK” in the Automatic Dimensioning dialog box you simply have to give your dimension a reference line with a two click operation and an offset distance to place with a third click.

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The Result is a fully dimensioned floor plan that needs little or no clean up. One thing to note is the “Dimension only the Core” in the dimension selection settings NEEDS to be selected before using the automatic dimensioning. Unlike an individually placed dimension, this is no longer an option for automatically placed dimensions after they have been placed.

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Before I finish I will comment on the interior automatic dimensions; I don’t recommend this tool. I have never yielded satisfactory results without spending more time than if I just manually dimensioned the interior spaces. If anyone has experienced otherwise please share your process and maybe I’ll amend that statement and follow up with a recommendation on how to properly use the automatic interior dimension feature.