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Creating a group

From: Revit Architecture 2011 Essential Training

Video: Creating a group

Sometimes as you work on your projects, you will develop a part of your design that can be reused elsewhere in the project. You could, of course, simply use copy and paste for such items, but often a better choice is to make a Group. A group gives you a way to manage repetitive items. You make a selection of any objects in your project, you group them, and then anytime, if you edit one instance of the group, the change applies to all instances of the group throughout the project. You can use this for common stair towers, common furniture groupings, or even entire room layouts, like the one I have here onscreen. So I have a version of the condo plan here onscreen.

Creating a group

Sometimes as you work on your projects, you will develop a part of your design that can be reused elsewhere in the project. You could, of course, simply use copy and paste for such items, but often a better choice is to make a Group. A group gives you a way to manage repetitive items. You make a selection of any objects in your project, you group them, and then anytime, if you edit one instance of the group, the change applies to all instances of the group throughout the project. You can use this for common stair towers, common furniture groupings, or even entire room layouts, like the one I have here onscreen. So I have a version of the condo plan here onscreen.

If you did the lessons in Chapter 4, then you're familiar with this layout. I've taken it a little further than what we did back in those previous chapters. I have added some annotation to it and a few other items. All the items you see here that we haven't talked about yet, we'll talk about in future lessons. For now, we are just going to focus on the grouping. This file is called adding groups, and it's in the Chapter 5 folder. To create a group is very simple. You just make a window selection around the entire area that you wish to group. In this case I kept it pretty simple.

We can just select everything. So we just drag a window across the whole file. And up on the Ribbon, it will say Multi-Select. And this is because we have multiple objects selected, so it can't tell us about any particular type of object. If you wanted to exclude anything from the selection, you could go to Filter, and all the items that we have selected here are listed. In this case, I am going to leave everything selected. And I am going to click on the Create Group button. Now the shortcut for that is GP, if you prefer to do the shortcut.

Now when I click that, I'll get a dialog that asks me to name the group that I am creating. And in fact, there are really two groups being created here. What happens is in Revit as we've talked about previously, Revit makes a very clear distinction between things that are part of your model and things that are part of the view, or that are annotative. So in this case it's recognizing that my selection includes both types of items. And so it's offering to make a Model Group from the elements that are part of the model, and then an Attached Detail Group from the elements that are not part of the model, the elements that are annotation.

And those elements are things like the room tags and the door tags that I have that you can see there in the background. So what I'm going to do is name the group itself: Two Bedroom Unit. And I'm going to name the Attached Detail Group just simply Tags. So again, you can call these things anything you want, but I am going to go ahead and click okay there. Now I am going to deselect everything, and I want to show you how you know you have a group. Basically, if you pre-highlight an item that's a group, you'll get this dashed line that will appear when it pre- highlights a rectangular boundary.

And that lets you know you have a group. And if I select, I want you to notice that all that selects is the model elements. Notice how the room tags and the door tags are not part of that selection. If I move my mouse around, kind of over some of those tags, you'll actually see those highlight as a group as well. And the tooltip tells me that it's an Attached Detail Group. And if I were to click, that would select only the tags and not any of the model geometry. Furthermore, you'd see this little pushpin icon right here, which is grayed out, and it's really just Revit's way of letting us know that this group is actually attached to the model.

Okay, so that's its sort of indicator. It's a clue that we've got it attached. Now there is another place where we can see that we have groups in our model, and that's here on the Project browser. So I'm going to scroll all the way down. There is an item here called Groups. I'm going to expand that. There are two categories. I'm going to expand Model. It's possible to create a Detail group all by itself, stand-alone, a nonattached detail group. If that were the case, then it would appear here. In our case, because our Detail group is attached, it actually appears here, indented beneath the Two Bedroom Unit.

So you can see that under model Groups we have a Two Bedroom Unit and then beneath that Floor Plan Tags. So not only does it recognize that it's an Attached Group, but it actually is specific to floor plans. If we went into an elevation or section view, we could create another Attached Detail Group for that view, as well. So now what do we do with the group once we have it? Well, I am going to zoom out a little bit. I'll use my wheel to do this. And the most obvious thing that we can do is copy it around. So perhaps I want this same layout four times on this Floor Plan. So I'm going to give myself a little bit of room here.

I am going to select the group. And here is a tool that we haven't looked at previously; it's called the Mirror tool. I am going to go ahead and select this on the Modify tab. And there are actually two kinds of Mirror. We are going to use both of them in this lesson. So I'll start with this one, the Pick Axis, and the shortcut for that is MM. What this allows you to do is just simply pick on any edge of any existing object, and that edge actually becomes kind of like a plane of glass. If you imagine placing a mirror along that edge, like a literal mirror glass, it would reflect the object along that plane.

So if I highlight this wall right here, imagine you are looking down on that plane of glass, and then it kind of becomes clear what's going on, and I just click it, you are going to see the object actually mirror up, so get a flipped version of it in the other direction. Now we also got a message that's saying that we have highlighting walls that overlapped. And if I do a zoom region, they are talking about this area right here, because there are actually two walls now in the same spot. And we are going to remedy that in just a moment. But let me go back to Zoom Previous.

And again, let's talk about what we've just done. So we've mirrored this object up to the other side. It's still a group. It's an instance of the two bedroom condo unit. But we've just sort of made another instance of it up above there. Now let's go ahead and take a look at this wall situation here. If you recall from the previous movies, the Tab key is a very powerful tool in Revit. And we are going to use that anytime we are having a hard time getting a selection that we want. In this case, we can use the Tab key to cycle between all the various objects that are in the same spot.

So obviously, if I just Tab here, we expect to see it flip between the two groups. But it turns out if you Tab one more time, it actually is capable of reaching right into the group and allowing us to select items that are inside the group. Now if I click this item right here, you'll get a small, little icon right there. That icon actually allows me to exclude one instance of this double wall, so that everything cleans up nicely, and I don't have a redundant wall there.

So from the point of view of creating a nice, clean floor plan, everything makes a lot more sense. We don't have this double wall, but yet we still get the benefit of managing this condo layout with the group. Now what do I mean by that? Well, suppose I want to actually make a change to the condo unit after I've already done the mirroring. If I had just simply done copy and paste, then it would be difficult, because it have to go and make the same change in two locations. But by doing this with the group, I can actually make the change, and it will apply across all instances of the group. So I am going to do a really simple change.

I am going to select this group, and I am going to choose the Edit Group button here on the ribbon, or you can type EG if you want the shortcut. And let's do something really, really simple here that will be noticeable. I'll just add another window. Now, I am going to go ahead from my list here, and I'll choose this Casement Double with Trim. And I'll put a window right here in this bedroom. I am going to go ahead and click Modify. And there is this floating toolbar right here that you use to get out of Edit Group mode. So I am going to go ahead and finish that.

And as soon as I do, you'll see that change applies across the way to the other instance of the group. So that's a pretty quick and easy example, but it gives you an idea of what the benefit of using groups is. So let's go ahead and Mirror one more time. I am going to select this guy, and this guy. And this time, because I don't want these to be butted right up against each other, I need to allow room over here for an elevator lobby and some stairs and so forth, I am going to use this icon instead. The shortcut is DM, and its Draw the Mirror Axis.

So rather than selecting an object that uses an axis, I'm actually going to pick two points to show it where the axis is. So I am going to do that by coming over here and kind of just moving my mouse using the Temporary Dimension. 8 feet will give me a total of a 16 foot corridor, so I want to actually drop that back to about 7' 6", and you just kind of pull it down straight. As long as I've got a 90 degree there, I should be good, and I'll click again. And there you have it. Now of course, I will need to come in and add some walls, and some stairs, and so forth.

And we'll do that in future movies, but pretty much that gives me the total layout here. Now one last finishing touch. This is the only one that has the Attached Detail Group. So what about the rest? Well, it turns out that you can actually select these other groups, and I'll do those two with a crossing window and this one with my Ctrl key, and on the Ribbon you have this Attached Detail Groups button, and if I click that, I can simply check the Floor Plan Tags check box, click OK. And it will add all of those tags that are in the other group to all instances of the group that I had selected.

And more importantly, they will even be right-reading. So there you have it. There are a few examples of using groups in your projects.

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This video is part of

Image for Revit Architecture 2011 Essential Training
Revit Architecture 2011 Essential Training

81 video lessons · 12538 viewers

Paul F. Aubin
Author

 
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  1. 1m 59s
    1. Welcome
      1m 27s
    2. Using the exercise files
      32s
  2. 13m 45s
    1. Introducing building information modeling (BIM)
      3m 0s
    2. Working in one model with many views
      5m 51s
    3. Understanding Revit element hierarchy
      4m 54s
  3. 47m 31s
    1. Using the Recent Files screen and the Application menu
      3m 21s
    2. Using the Ribbon and the Quick Access Toolbar (QAT)
      5m 3s
    3. Understanding context ribbons
      3m 0s
    4. Using the Project Browser and navigating views
      7m 37s
    5. Using the Properties palette
      10m 1s
    6. Selection and modification basics
      10m 27s
    7. Accessing Revit options
      8m 2s
  4. 42m 18s
    1. Creating a new project
      3m 26s
    2. Understanding the importance of template files
      5m 7s
    3. Understanding project settings
      6m 9s
    4. Opening and saving projects
      9m 9s
    5. Adding levels
      5m 0s
    6. Adding grids
      8m 41s
    7. Adding columns
      4m 46s
  5. 58m 21s
    1. Adding walls
      8m 39s
    2. Using snaps
      6m 39s
    3. Understanding wall properties and wall types
      7m 24s
    4. Locating walls
      7m 34s
    5. Using the modify tools
      7m 33s
    6. Adding doors and windows
      6m 37s
    7. Using constraints
      4m 47s
    8. Adding plumbing fixtures and other components
      4m 8s
    9. Using Autodesk Seek
      5m 0s
  6. 50m 52s
    1. Working with DWG files
      7m 51s
    2. Creating topography from a DWG link
      7m 45s
    3. Understanding CAD inserts
      6m 8s
    4. Using import tips
      4m 6s
    5. Creating a group
      9m 20s
    6. Working with Revit links
      9m 3s
    7. Managing links
      5m 51s
    8. Understanding file formats
      48s
  7. 1h 2m
    1. Working with floors
      8m 37s
    2. Working with footprint roofs
      7m 13s
    3. Working with extrusion roofs
      6m 0s
    4. Roof modifications and examples
      6m 27s
    5. Working with slope arrows
      6m 17s
    6. Adding openings
      8m 13s
    7. Working with stairs
      7m 41s
    8. Working with railings
      4m 29s
    9. Working with ceilings
      7m 36s
  8. 35m 52s
    1. Creating a custom basic wall type
      6m 10s
    2. Understanding stacked walls
      7m 31s
    3. Adding curtain walls
      6m 50s
    4. Adding curtain grids, mullions, and panels
      6m 44s
    5. Creating wall sweeps
      8m 37s
  9. 32m 43s
    1. Using object styles
      4m 45s
    2. Working with visibility/graphic overrides
      6m 52s
    3. Using Hide/Isolate
      7m 11s
    4. Understanding view range
      7m 40s
    5. Using the Linework tool
      4m 2s
    6. Using cutaway views
      2m 13s
  10. 21m 44s
    1. Adding rooms
      7m 4s
    2. Controlling room numbering
      8m 16s
    3. Understanding room bounding elements
      6m 24s
  11. 27m 2s
    1. Understanding tags
      7m 42s
    2. Adding schedules
      6m 50s
    3. Modifying schedules
      6m 8s
    4. Creating a key schedule
      6m 22s
  12. 48m 38s
    1. Adding text
      7m 21s
    2. Adding dimensions
      7m 26s
    3. Adding symbols
      3m 54s
    4. Adding legend views
      4m 42s
    5. Creating a detail callout
      6m 25s
    6. Using detail components
      9m 36s
    7. Adding filled and masking regions
      9m 14s
  13. 34m 39s
    1. Understanding families
      2m 37s
    2. Using reference planes, parameters, and constraints
      10m 46s
    3. Adding solid geometry
      8m 40s
    4. Adding void geometry
      4m 49s
    5. Completing the family
      7m 47s
  14. 32m 6s
    1. Adding sheets
      7m 58s
    2. Working with placeholder sheets
      4m 16s
    3. Outputting sheets to a DWF file
      6m 5s
    4. Exporting to AutoCAD
      5m 50s
    5. Plotting and creating a PDF
      7m 57s
  15. 25s
    1. Goodbye
      25s

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