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Find out how to create compelling architectural designs using the modeling tools in Autodesk Revit software. In this course, author Paul F. Aubin demonstrates the entire building information modeling (BIM) workflow, from creating the design model to publishing a completed project. The course also covers navigating the Revit interface; modeling basic building features such as walls, doors, and windows; working with sketch-based components such as roofs and stairs; annotating designs with dimensions and callouts; and plotting and exporting your drawings.
In this movie we'll continue working on our detail and we'll look at detail components. Detail components are two-dimensional families that represent model objects. Now they are two-dimensional and they are view- specific, and this is important to understand. You can create very detailed versions of elements that represent model objects, but because they are two-dimensional and because they are view-specific, they only show in the view that you draw them in-- in the Detail view in this case. And that allows you to keep the overall size of your model manageable and not have a lot of details created in the 3D model that don't really give you any benefit.
So let's take a look at the process of placing detail components. I'm in a file called Detail Components, and I'm looking at my Stair Landing Detail, which is a section cut through the landing here. So let's zoom in a little bit, like so, and I'll start with a really simple detail component. We are going to look at a break line object, so I am going to go to the Annotate tab. And the detail component is a dropdown, and it behaves a little differently than all the other dropdown buttons.
If you click the dropdown, there is three options here, and it remembers whatever the last option you used was. So if the last thing you did was a legend component, the Legend Component button will be on the top of the pile. If the last thing you did was a repeating detail, that will be on top of the pile. So if you don't see the detail component on the top of the list, just click the little dropdown here and choose it right here, but we want Detail Component. Now the Break Line is the default option that comes up. If we open up the list, there are several detail components that are loaded in this file already.
But let's go ahead and start with this Break Line object. This is used just to add some nice little finishing touch to a detail drawing. Let me show you. I am going to tap the spacebar, and that's going to rotate this thing 90 degrees. And I am going to place it right over here somewhere on the very end tread there, toward the edge. Now I don't know if you saw what it just did there--let me zoom in and touch. But you notice how it's covering up the underlying 3D model geometry in the background. Let me zoom back out of touch, tap the spacebar twice more, put it over here, and we'll kind of get the same effect on this side.
Now, these break marks have kind of like a built-in white-out. It's a mask object that's built into that object, and it's got these little grips on it. And so I can stretch it up here, take this one, stretch it up here, and what this is helpful to do is it just adds a nice finishing touch to the detail. If you come down here and hide the crop region, that rectangle goes away, but we have these nice little break marks that help the detail look like it was drawn here. So, pretty common to see those in a Detail view, and those are detail components.
They are view-specific, and they only appear in this view. So if I go back to the Section at stair view and zoom in, you won't see any break marks on top of this view. So I am going to go ahead and close this view, return to my detail, and let's add a few more detail components. Now the next one I am going to add is a simple piece of steel. So if I open up the list here, I've got an AISC Channel Shapes-Section and the type beneath that is C6 x 10.5. And I am going to choose that, and it's a pretty standard piece of steel here. And I will just place that roughly right about here.
I am going to fine-tune the position of these things later, so for now I just want to get them into the detail so that I have all my raw materials to work with, and then we'll move them around. So you could see, it's just a really simple placement. If for whatever reason I needed another one of these at another angle, I can again just tap my spacebar and each time I do, it would rotate. But I only need the one, so that's the only one that I am going to place there. So the stair tread that we're seeing here from the model, it's close, but it doesn't match the actual construction. So the next component we are going to bring in is a better representation of what this would actually look like.
Now, I don't have that over here on my list already, so I need to go to the Load Family button here, and I am going to load that from the library. If you go to the standard library, you'll see that there is a Detail Items folder. I am going to open that up. That gives me a whole bunch of subfolders that are in division numbers. These are following the CSI Master Spec format. So if you're familiar with CSI and Master Spec, then this should be a pretty comfortable organization for you. If you're not familiar with Master Spec, then take some time to explore in here and kind of get comfortable with it.
But they all have the descriptions at the end of the folder so that's certainly going to help you find the right folder. So I am going to go into the Metals folder and then into the Metal Fabrications folder and then finally, we have a Metal Stairs folder. And what I usually do here is I click the first item and I use the arrows on my keyboard to page through the available items, and you can see, over on the right, the preview changes as I do that. So the second item here, Stair Steel Pan and Section, that's the item that I want to bring in.
So I'm going to makes sure that's selected. I'll click Open. You'll see it appear on my cursor. Notice where the insertion point is. It's kind of at the top of the tread. So I can actually highlight the tread here in the model. And you don't have to get it super-close, but I am going to get it close, because I'm actually going to line it up by the back instead of the front. So I'll do that a little bit later. But notice that when it comes in, like the white-out mask that we saw in the Break Mark, this one has what we call a filled region inside of it that's giving us that stipple-hatch pattern, and it's still covering up the 3D model underneath.
Now if I click the Modify tool and cancel out of there, what I want to do is actually move this in two steps here. What I am going to do first is select it, go to my Move command, and I want to just move it horizontally, like so, because I want to snap precisely using this back point here to a back point over here. So I am going to go move again, and I am going to find this end point right there, and I am going to snap that exactly to that end point right there. So sometimes it's easier to just get it in roughly and then move it where it wants to go.
Now I have one more component that I want to bring in. I am going to go back to my Detail Component tool, and we are going to do Load Family again. I'll go back to my Detail Items folder, back to Metals, and this time I'm going to go to Structural Steel Framing. And if you look here in the list of options that are here and again do the trick where you page through, what you're going to see is that each of the items in this folder has three versions. So there is a top, a side, and a section. So what I want to do is bring in this Angle Shape in its side view, remembering that these are 2D objects; that's why they have three different versions.
Now when I click Open here, that will display a window that we haven't seen yet. This is a Type Catalog, and the Specify Types window appears. And what a Type Catalog does is it's a way of managing all the types that are in a particular family. If you look at this scroll list over here there are dozens of types in this family, way too many to load in all in one shot. So your list would become unmanageable. So they give us the Type Catalog to allow us to go in and scroll through this list and choose one or more items that we are interested in bringing into our project.
So you could select a single item. You could use the Shift key and select a group of items. You could select with the Ctrl key and do a discontinuous group. Or you can just select just the one you want. OK. So I am going to scroll down here and I want an L2x2x1/8", so this item right here. I am going to click OK, and it's only going to load that single type into my project. It says to click to enter the component start point. So this is a new kind of detail component that we haven't seen yet.
All the others we just click to point and place them. This one is what we call a line-based detail component. That means you're going to click two points: here, and then you drag out how long you want it to be--and I'll do about 6 inches--and then here. And you can see it draws me that angle in an elevation view and a side view. So detail components typically represent real things. They typically represent actual objects. However, they do it in a much more detailed fashion than we typically want to do in our 3D model. So they are two-dimensional and they are view- specific. When we place them in a view, they sit on top of the view and cover up the underlying geometry, and we can use those to help us flesh out our detail drawings.
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