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Exploring model lines

From: Revit Architecture 2013 Essential Training

Video: Exploring model lines

In this movie, we're going to look at model lines. Model lines can be used for a variety of things, and they are really a very simple object. They are actually a two-dimensional object, but as their name implies, they are considered part of the model. So even though it's two-dimensional linework, it's going to show in any 3D view because Revit thinks of it as part of the model. So imagine that you're actually painting lines on the wall and you have a pretty good idea of what a model line is intended for. The example I'm going to show you is using a model line instead of actually modeling three-dimensional geometry.

Exploring model lines

In this movie, we're going to look at model lines. Model lines can be used for a variety of things, and they are really a very simple object. They are actually a two-dimensional object, but as their name implies, they are considered part of the model. So even though it's two-dimensional linework, it's going to show in any 3D view because Revit thinks of it as part of the model. So imagine that you're actually painting lines on the wall and you have a pretty good idea of what a model line is intended for. The example I'm going to show you is using a model line instead of actually modeling three-dimensional geometry.

In the movie where we looked at sweeps and reveals, we saw that a reveal could carve away from the form of a wall. And it may be tempting to use reveals for smaller-scale details, things like control joints and very small indentations in the wall. And while it seems like a pretty good idea at the time, on a small project you might be able to get away with it, but in a larger project the overhead that you start to introduce to your model can really become a detriment, because every time you create that three-dimensional form in your model it's actually increasing the overall size of the model and therefore having the impact on the overall performance.

Furthermore, when it comes time to print something like that, let's say I made a really small reveal that was only about half an inch in size, at an eighth-inch scale or even a quarter- inch scale drawing, those two edges of the reveal are going to be so small and so close together that they're going to just bleed together and appear like one big fat line, and so you probably wouldn't be satisfied with the graphics either. So for those reasons, in situations like control joints and other kinds of small-scale details, you might want to consider using a model line instead, and that's what we're going to do here in this movie.

So I'm in a file called model lines, and if I zoom in slightly, you can see that this is just a brick wall. Now the first thing I want to address is you can see over here that the brick pattern just sort of starts randomly. So I can fix that easily enough with the Align command. And I'm just going to pick the edge of the wall here and then highlight any line on the pattern, and that will shift the entire brick pattern. So that will help me get my control joints placed a little bit more precisely, so that shifts my brick pattern. Now you can use this same technique to start shifting the doors and windows if you want to, to get them to all fall in the brick dimension. I'll leave that up to you.

I'm going to go to the Architecture tab and look for the Model Line tool right here. And when I click on it, the first thing that Revit will ask me is for a Work Plane. Because I'm working in a non-plan view, it can assume which plane I want to draw on, so it's asking me where do you want to draw these two-dimensional, basically, model lines? So I'm going to use that Pick a plane option that's it offering me here, click OK, and I could just pick anywhere on the face of this wall. Now over here we get our standard Draw toolbox. You can draw model lines in any shape you want.

In addition to that, you can assign a line style, so you can make these dashed lines or hidden lines, or really thin lines. Now this default one just called Lines is actually going to show up in green, so I'm going to with that so that these become really obvious. And you can change the line style later if you want to. I want to check all my other settings here. I actually don't want Chain in this case, so I'm going to turn that off, and I don't want an offset. And what I'll do is just find one of my brick pattern lines here and click, and click. And it's just as simple as that, take this temporary dimension, start dragging it, press the Tab key to highlight the outside face.

That gives me the dimension right here. And then maybe I want these control joints every 20 feet. So I can put in 20 feet. That hit the window, so let's go with 18 feet. Now I can just copy it, pick my start point, go another 18 feet, and I could keep going down the face of the building. Now as I said, I'm going to leave these with the green line style right now, but you can simply select them later and change the line style if you have a different style. Perhaps you might even create a line style called Control Joints.

But what I want to show you is if you switch to another view, those lines still display. So that's the advantage of using a model line is that it's still considered part of your 3D model; however, if we zoom in nice and close, it's really just a line painted on the surface of the wall. It didn't actually change the structure of the wall in any way, and so it tends to be a little bit lighter on the overhead department than if you actually use a reveal or something.

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This video is part of

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Revit Architecture 2013 Essential Training

96 video lessons · 12908 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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