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Revit Architecture 2011 Essential Training

Adding void geometry


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Revit Architecture 2011 Essential Training

with Paul F. Aubin

Video: Adding void geometry

Continuing with our simple Revit model family, we have a pool table that we're working on. Previously we laid out the reference planes and the dimensions parameters in the "Reference planes constraints and parameters" movie. Then we added some solid geometry for the surface of the table and a sweep for the rail going around. In this movie we're going to add some void geometry that will cut through the solid geometry for the pockets of the table. So let's go ahead and get started. I am going to work in Plan view for this, and I am going to zoom in a little closer, like so.
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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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Revit Architecture 2011 Essential Training
8h 30m Beginner Jul 23, 2010

Viewers: in countries Watching now:

In Revit Architecture 2011 Essential Training, author Paul F. Aubin shows how to create compelling architectural designs using the modeling tools in Revit. This course covers the entire building information modeling (BIM) workflow, from design concept to publishing. It 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 adding 3D geometry. Exercise files are included with the course.

Topics include:
  • Introducing building information modeling (BIM)
  • Adding levels, grids, and columns to set up a project
  • Creating building layouts with walls, doors and windows
  • Modifying wall types and properties
  • Working with DWG files and CAD inserts
  • Adding rooms
  • Adding filled and masking regions and detailing
  • Generate schedules and reports
  • Understanding families
  • Using reference planes, parameters and constraints
  • Outputting files, including DWF and PDF files
Subjects:
Architecture BIM Previsualization CAD 3D Drawing
Software:
Revit Architecture
Author:
Paul F. Aubin

Adding void geometry

Continuing with our simple Revit model family, we have a pool table that we're working on. Previously we laid out the reference planes and the dimensions parameters in the "Reference planes constraints and parameters" movie. Then we added some solid geometry for the surface of the table and a sweep for the rail going around. In this movie we're going to add some void geometry that will cut through the solid geometry for the pockets of the table. So let's go ahead and get started. I am going to work in Plan view for this, and I am going to zoom in a little closer, like so.

On the Home tab, there is a Void Forms dropdown button. If you open it up, you'll notice that all the same shapes can be voids as well as solids. So you can do extrusions or sweeps or whatever you need. In this case, a simple void extrusion should do the trick. We will go ahead and choose that, and I am actually going to zoom in really close on just one corner pocket. Go over here and choose the circle. Now, I know that if I was being really particular about my pool table that the shape of this pocket probably would not be exactly circular, but for our purposes, we will go ahead and use a circle.

I think it'll do the trick just nicely, and I am going to draw this circle at a 2-inch radius, and I am just going to let the snaps take care of me there. If you've got it at some other size, you can click on the temporary dimension and adjust that. Go to the Modify tool, select that sketch line, and I am going to move this to the right 1.25 inches. So I am going to type 1.25' and don't forget the inches because if you just press Enter, it would be 1.25 feet. Then I am going to move it down the same amount.

So again you just pick any old base point, you start moving and then you type your number in and press Enter. So that kind of positions it about where I need it to be. I am going to Zoom Previous, and I'm going to mirror that around this reference plane to give me the pocket in the other corner, click Modify, select it, and I am going to copy it from its center and snap. I will have to roll my wheel in to get a better look at that reference plane. Watch the tooltip.

It says Horizontal and Nearest. If I don't go horizontal, it will actually shift it down. I want to keep it in the same plane horizontally, but just snap it to that reference plane. Go ahead and zoom back out, and then I am going to make a window selection to grab all three, zoom out far enough to see the whole table, and I will do one more mirror, but this time around this reference plane and that flips it over to the other side. So I am actually creating six pockets all in one single void. Now, you could do one pocket as one void, and then copy that six times, but I find this a little bit easier.

Before I get out of here, you'll notice over here in the 3D view I have a similar issue that I had in the previous movie. I am going to go to Set > Work Plane to remedy that and move this up to the playing surface and click OK. That's not going to be entirely right, because it's actually going to put it above the pool table, but it will get us in the ballpark and then we'll fine-tune and adjust it in a moment. So I am going to go ahead and click Finish. You will see the void forms appear in all views. You could see they're 1 foot tall, and that's because over here on the options bar the default for an extrusion is simply 1 foot and I didn't change that.

While they're selected, they kind of appear in this sort of transparent glass appearance. If you were to deselect them, they disappear and you get just the result of the void and if I were to orbit my 3D view at the current moment, you can see that we're only cutting through the solid sweep, because I told them to start at the playing surface, and then the extrusion went up from there. Anytime you want, you can move your mouse around the general vicinity where you expect the void to be, and you'll see it start to appear.

This is similar to what we did when we were trying to select room objects when we were looking at rooms in those movies. You just kind of get in the habit of knowing where to kind of move your mouse to get it to pre-highlight, and then click, and then it will appear again in that sort of glasslike appearance. So what I am going to do is actually click over here in the Front view, I will zoom in just a touch, and I am going to use this shape handle and just drag it down until it snaps to the bottom of the table. Now, I could drag the top down as well to snap to the top of the table, but it's actually fine the way it is.

I am going to go ahead and deselect, come back over here to 3D, and now you can see that the void cuts all the way through. Again, it's a fairly rudimentary pocket design, but it gets the point across. It will certainly be recognizable as a pool table.

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