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Understanding families

From: Revit Architecture 2013 Essential Training

Video: Understanding families

The subject of creating Revit family content could take an entire training series in itself. However, a Revit Essentials class would not be complete without at least some coverage of the topic. So with this in mind, we're going to use this chapter to go through the process of building our own custom Revit model family. There are a few key steps that you want to keep in mind when you're building your own families, so let's kind of walk through the process. First, you want to plan. Plan carefully. You need to know what you want your family to do. Don't just dive in without a plan. Think about it, maybe take some notes, do a little sketching, but know what you want your family to do: what behaviors you want it to have, and how you want it to act in the project.

Understanding families

The subject of creating Revit family content could take an entire training series in itself. However, a Revit Essentials class would not be complete without at least some coverage of the topic. So with this in mind, we're going to use this chapter to go through the process of building our own custom Revit model family. There are a few key steps that you want to keep in mind when you're building your own families, so let's kind of walk through the process. First, you want to plan. Plan carefully. You need to know what you want your family to do. Don't just dive in without a plan. Think about it, maybe take some notes, do a little sketching, but know what you want your family to do: what behaviors you want it to have, and how you want it to act in the project.

Number two, use a good template file. There are several template files that ship with the product, and each one has certain behaviors that are built in. Those behaviors get imparted to your family when you choose the template, so make sure you choose carefully and get the right templates so you get the right behaviors. The next thing you want to do is add reference planes. Reference planes set up the form and structure of the overall family and define its geometric limits and characteristics, so it's pretty critical step. You want to think about those carefully and get them laid out carefully so that the geometry behaves the way you expect it to behave.

After you've got the reference planes, you want to add parameters and constrains. Now they both do similar things. They add the smarts to your family, but they do it slightly differently. A parameter is a bit of smarts, or a rule, that the user can interact with. So the user can actually change that parameter in the project environment later--change the value of that parameter I should say. A constrain is locked-in design intent. You lock that in and the users cannot change it in the project environment.

So you're basically making that a permanent behavior that they have no impact on. Once you've got all that sort of framework built and established, you need to test everything and make sure it's behaving the way you expect. Revit calls this flexing the model. So make sure you flex, and make sure you flex often. Once you've got all that and it's flexing the way you expect and everything is working correctly, then you can finally add some geometry. You add your geometry, you attach it to the reference planes, which will in turn be driven by the parameters and constrains, and then what do you do.

You'll flex it again, OK, because you want to make sure that everything is working exactly the way you expect. Once you've got everything hammered out and working the way you need it to work, you'll load it into a project and that's the final test. So with that in mind--that's the basic overall process-- let's go ahead and build our first piece of Revit family content.

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Revit Architecture 2013 Essential Training

96 video lessons · 12638 viewers

Paul F. Aubin
Author

 
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  1. 1m 57s
    1. Welcome
      1m 2s
    2. Using the exercise files
      55s
  2. 14m 43s
    1. Introducing building information modeling (BIM)
      3m 0s
    2. Working in one model with many views
      4m 48s
    3. Understanding Revit element hierarchy
      6m 55s
  3. 54m 44s
    1. Understanding the different versions of Revit
      1m 19s
    2. Exploring the Recent Files window and the application menu
      5m 20s
    3. Using the ribbon and the Quick Access Toolbar (QAT)
      7m 12s
    4. Understanding context ribbons
      4m 43s
    5. Using the Properties palette
      8m 31s
    6. Using the Project Browser
      5m 34s
    7. Navigating views: Zooming, panning, and rotating
      5m 57s
    8. The basics of selecting and modifying
      9m 49s
    9. Accessing Revit options
      6m 19s
  4. 47m 6s
    1. Creating a new project from a template
      7m 42s
    2. Accessing a multi-user project with worksharing
      4m 16s
    3. Configuring project settings
      6m 33s
    4. Adding levels
      7m 40s
    5. Adding grids
      6m 23s
    6. Refining a layout with temporary dimensions
      6m 58s
    7. Adding columns
      7m 34s
  5. 1h 11m
    1. Adding walls
      8m 48s
    2. Using snaps
      6m 24s
    3. Exploring wall properties and types
      7m 37s
    4. Locating walls
      7m 27s
    5. Using the modify tools
      9m 32s
    6. Adding doors and windows
      7m 39s
    7. Using constraints
      8m 27s
    8. Adding plumbing fixtures and other components
      8m 39s
    9. Using Autodesk Seek
      4m 19s
    10. Using wall joins
      3m 0s
  6. 1h 11m
    1. Linking AutoCAD DWG files
      10m 59s
    2. Creating topography from a DWG link
      7m 43s
    3. Understanding CAD inserts
      7m 56s
    4. Import tips
      6m 49s
    5. Creating a group
      7m 10s
    6. Mirroring groups to create a layout
      5m 3s
    7. Creating Revit links
      5m 16s
    8. Rotating and aligning a Revit link
      7m 6s
    9. Establishing shared coordinates
      6m 5s
    10. Managing links
      6m 0s
    11. Understanding file formats
      59s
  7. 1h 13m
    1. Working with floors
      8m 57s
    2. Working with footprint roofs
      6m 22s
    3. Working with extrusion roofs
      4m 59s
    4. Attaching walls to roofs
      3m 17s
    5. Using the shape editing tools to create a flat roof
      6m 33s
    6. Working with slope arrows
      6m 0s
    7. Adding openings
      8m 33s
    8. Working with stairs
      8m 4s
    9. Adding railings to stairs
      3m 40s
    10. Working with ceilings
      9m 36s
    11. Adding extensions to railings
      7m 20s
  8. 48m 34s
    1. Creating a custom basic wall type
      10m 18s
    2. Understanding stacked walls
      8m 12s
    3. Adding curtain walls
      8m 17s
    4. Adding curtain grids, mullions, and panels
      10m 59s
    5. Creating wall sweeps and reveals
      6m 26s
    6. Exploring model lines
      4m 22s
  9. 47m 40s
    1. Using object styles
      4m 19s
    2. Working with visibility and graphic overrides
      7m 3s
    3. Using view templates
      6m 13s
    4. Hiding and isolating objects in a model
      6m 37s
    5. Understanding view range
      7m 7s
    6. Displaying objects above and below in plan views
      6m 35s
    7. Using the Linework tool
      5m 21s
    8. Using cutaway views
      4m 25s
  10. 21m 28s
    1. Adding rooms
      8m 15s
    2. Controlling room numbering
      6m 13s
    3. Understanding room bounding elements
      7m 0s
  11. 33m 13s
    1. Understanding tags
      9m 58s
    2. Adding schedule views
      7m 55s
    3. Modifying schedule views
      7m 12s
    4. Creating a key schedule
      8m 8s
  12. 58m 40s
    1. Adding text
      7m 29s
    2. Adding dimensions
      9m 6s
    3. Adding symbols
      4m 42s
    4. Adding legend views
      4m 51s
    5. Creating a detail callout
      8m 31s
    6. Adding detail components
      8m 52s
    7. Using arrays to duplicate objects parametrically
      7m 43s
    8. Adding filled and masking regions
      7m 26s
  13. 41m 29s
    1. Understanding families
      2m 37s
    2. Creating a new family from a template
      6m 29s
    3. Using reference planes, parameters, and constraints
      7m 52s
    4. Adding solid geometry
      8m 40s
    5. Cutting holes using void geometry
      5m 9s
    6. Adding blends
      6m 2s
    7. Completing the family
      4m 40s
  14. 38m 48s
    1. Adding sheets
      7m 44s
    2. Working with placeholder sheets
      5m 24s
    3. Aligning views with a guide grid
      5m 57s
    4. Outputting sheets to a DWF file
      6m 39s
    5. Exporting to AutoCAD
      5m 42s
    6. Plotting and creating a PDF
      7m 22s
  15. 2m 38s
    1. Next steps
      2m 38s

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