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Adding grids

From: Revit Architecture 2011 Essential Training

Video: Adding grids

Like levels, grids provide organization and structure to your project. They typically serve to locate the structural columns in a project and provide key reference points for dimensions and views and other things. Unlike levels, not all buildings need grids. For example, most residential buildings wouldn't have any need for grids, because they don't typically have structural columns, but most commercial projects probably would have a structural column grid. So depending on the kind of project you're creating, will determine whether or not you need to add grids or not. So the Grid tool can be found on the Home tab.

Adding grids

Like levels, grids provide organization and structure to your project. They typically serve to locate the structural columns in a project and provide key reference points for dimensions and views and other things. Unlike levels, not all buildings need grids. For example, most residential buildings wouldn't have any need for grids, because they don't typically have structural columns, but most commercial projects probably would have a structural column grid. So depending on the kind of project you're creating, will determine whether or not you need to add grids or not. So the Grid tool can be found on the Home tab.

I'm here in a file called Grids, in the Chapter03, Exercise Files. It has some simple walls in it, just to give us a frame of reference. Walls are not required to lay out grids, but they'll certainly make it helpful in this exercise. So here on the Home tab, we can find the Grid tool over here on the Datum panel to the right. I'm going to go ahead and click that tool. The first thing I'd like to point out is that there are a few different shapes in which you can draw grid lines. The default is a straight line, but it's actually possible to draw them as curved lines as well. Now, for the first one I'm going to just start off to the side.

Click a point down toward the bottom of the screen, and then click another point up toward the top of the screen. Now, I chose my points on purpose, from low to high, because I know from experience that the second point you click when you're placing a grid is the one that will default to having a bubble turned on. Now, it is possible to actually change that behavior after the fact. One of the reasons that I drew this grid off to the side was to kind of point out some of the controls. Similar to what we had in levels in the Levels movie, we have the little open circles that we can use to change the length of the level.

Talking about the bubbles, we have these little check boxes. Now, the little check boxes actually appear in levels, as well. So you can do the same trick there. If we want a bubble to appear at the bottom, we can simply check the box, and it will show a bubble. Likewise, if we want to hide a bubble that we previously showed, we can check the box, and it will hide the bubble. So if you want them at both ends, you can have them at both ends, or at either end. However, if you can anticipate ahead of time where you want the bubbles to occur, and just remember that the first point you click has no bubble, and the second point has the bubble, then that's usually a little bit faster and easier.

Now, like our levels, we also have the little squiggly. So if we need to, we can add a little elbow on the grid lines, as well. Now, I'm going to delete this one. I'm deleting it on purpose, because I want to show you a behavior that you need to be aware of. I'm going to add the next grid line here in the building footprint. Then I'm going to click my Modify tool to cancel out of the command. That's the easiest way to cancel out of a command, but there is a shortcut for that. You can press the Escape key two times if you like, as an alternative, but that basically resets you to ground zero, no command active.

Now, let me just do a little zoom in over here and point out that even though we deleted the previous grid, Revit remembers where the numbering left off, and it automatically goes to grid number 2. Now, that may or may not be the behavior you're after. So if it's not, it's very important that you stop what you're doing, click on the bubble, and edit that value before you continue, because otherwise the next one will be 3, and the next one will be 4, and then you'll have compounded the problem and you'll have a lot more renumbering to do.

If you catch it right away, and in this case I want to use letters across the top instead of numbers, then the next one would be B and C and so forth, and it will make my job a lot easier. So just kind of keep that in mind. So I'm going to go back to the Grid tool. I will add a second one. Watch for the dashed alignments, because when you click on them, like levels before, they will now drag as a unit. So when you stretch the endpoints, it doesn't matter which endpoint you stretch, they will all stretch together.

So as long as you snap them to one another, you'll get that behavior. So I'm going to go ahead and just add a couple more, again, making sure they line up, like so. Now, I want to add grids in the other direction. This is again where I need to stop. The default, remember, I can press Escape two times, or I can click the Modify tool; either one is going to cancel the command. I'm going to click on the letter F. I'm going to change that to a number 1, because I now want numbers in this direction.

And then when I return to the Home tab and click my Grid tool and begin adding additional grids, they will now number instead of letter. So I've gone ahead and just added some basic grids where I want them to occur, but it's kind of sloppy. I've kind of laid everything out, just sort of by eye. I want to get a little bit more precision. The reason that I started this file with some walls in there is to give me some context, so that I could facilitate that precision, and the way we're going to do this is with something called Temporary Dimensions.

So you may be noticing that when you select items in Revit, that in addition to all these little controls that we've been talking about, like the open circles and the check boxes, we're also seeing a lot of numbers. These are called Temporary Dimensions. Now, let me go ahead and click this first one that we added a little bit earlier. I'm going to zoom in on this area right here. You'll see these numbers appear across the screen. So we have two dimensions: We have a dimension going to the wall on the left and another one going to the wall on the right. They also have these little square grip points on them that are called Move the Witness lines.

The way these works is if you click on them, they actually toggle among the available points on the wall. So it will go from center of the wall, to face of the wall, to opposite face, and then back to center. So each time I click it, it will shift its position. So the grid line needs to be 2" off the inside face of the wall. So I want to click the little square until the witness line gives me the inside face of the wall, and then I click right on the number. That makes the text of the number editable.

I can type in whatever value I want. Now, in Revit Architecture, feet is the default unit. So if I just type 2 and press Enter, Revit is going to see that as 2'. So if I want 2", I need to type 2". I have to use the key right next to the Enter key with the Shift held down, the little double apostrophe. That's the inch symbol, and that will give me 2". So very important that you remember that. Again, not a big deal. If you do it by mistake, you can just edit it again, but it can get frustrating if you put in feet instead of inches continually.

So try and get in the habit of remembering to type inches when you want inches. So I'll just do a couple of these just to give you an idea of how this works, and, like so. Now, that's if you have a wall nearby. Let me do one more referencing a grid line off of another grid line. So let me start by taking grid line C here. I'm just going to kind of move it first to the inside of this wall and then click the witness line to make it go to the inside face, so that I can make that one 2" as well.

Once I have that positioned correctly, I want to put grid line D at 31' 8" away from grid line C. So I don't want to measure it from the nearby wall, which is what Revit is trying to do; I want to actually measure it from the other grid line. If you click on the little square until it highlights and then start dragging it, so I've still got my mouse pushed in, I've still got it held down, then highlight the nearby grid line and let go, it actually moves it to the grid line, and then I can type this number right here and put in 31' 8".

Now, the way that you do feet and inches is to put 31 and then a space and then the number of inches, 8 in this case. Revit will see that as 31 feet 8 inches. The alternative is to do 31' 8". Both work, but I like the space 8, because it's a little bit less typing, and so both of those methods will work. So of course you could go around and fine-tune the placement of the remaining grid lines, like so. So if you're working in a commercial building, or any building that has a structural column grid, we can use the Grid tool on the Home tab to lay out the grid lines wherever they need to be.

We can reference those grid lines off existing geometry, like walls, or we can reference them off one another. We can use the Temporary Dimensions to give us precision and the locations of those grids.

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This video is part of

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

81 video lessons · 12728 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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