Thursday, September 4, 2008

Host Sweep - Wall Sweep

I recently had a conversation with a colleague in the office about how to create a wall with a particular shape to the surface. My first question to this person was why would you want to do this? I mean it is possible to do it, but is it worth weighing down the model when you can show the shape of the wall in a detail view with detail lines? So, if you’re trying to use this shape to cover the entire wall, stop thinking about it. All you have to do is use lines to represent the shape and pattern to create the look you’re after. Now, if you need to create this affect for a portion of the wall you can always use a Host Sweep. This is nothing more than a profile you create and place on the wall while in a 3D, section or elevation view. This allows you to add the profile to any wall you want vertically or horizontally. Here’s how you do it. First open a new family template by clicking FileNewFamily and selecting Profile.rft from the list of template files. Once in the Family Editor you’ll notice vertical and horizontal reference planes. Think of the vertical reference plane as the wall surface. The horizontal reference plane will either be the top or bottom of the sweep. In my experience if you draw you profile to the right of the vertical plane the profile will end up on the surface of the wall, not inside the wall. Now all you have to do is draw the profile you want to see on the wall. Remember it has to be a closed loop. This means no intersecting lines or gaps. Once you’ve drawn the profile, save it and load it into your project. In the project, navigate to the Modeling tab on the Design Bar and click the Host Sweep button. Choose the profile you’ve just loaded from the Type Selector. Place your cursor over the wall you want to add the profile, and it should appear on the wall. Notice on the Options Bar you can choose horizontal or vertical. Once you’ve placed it you will have to go to the Options Bar and click the Start Next button to continue with the next placement of your profile. This is an easy way to get a pop out or whatever shape you want on your wall without too much trouble.

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RevitED (Revit Education) and general BIM topics. I've been using Revit now for 11 years, and though I feel I've got a pretty good handle on the software it seems each day I learn something new. I want to share that with the readers of this blog and hope you learn something new as well.