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Using import tips

From: Revit Architecture 2011 Essential Training

Video: Using import tips

When working with CAD files, either Inserts or at Links, there's a couple of key things you want to keep in mind. I have a file called Import Tips onscreen here. And it has a Drafting View, visible onscreen, called AutoCAD Details, and a single AutoCAD Detail file, which came originally from an AutoCAD file imported in. This is not a link. This is actually an AutoCAD insert. Now when I select this AutoCAD insert, it highlights as you would expect. And we have a few tools over here on the context Ribbon that I want to point out to you.

Using import tips

When working with CAD files, either Inserts or at Links, there's a couple of key things you want to keep in mind. I have a file called Import Tips onscreen here. And it has a Drafting View, visible onscreen, called AutoCAD Details, and a single AutoCAD Detail file, which came originally from an AutoCAD file imported in. This is not a link. This is actually an AutoCAD insert. Now when I select this AutoCAD insert, it highlights as you would expect. And we have a few tools over here on the context Ribbon that I want to point out to you.

The first is Query, which we've looked at in a previous movie, but this is a tool where you can reach into the CAD file and select individual parts of it, and that will indicate for you what layer that particular item was on. So in this case you could see that that's A-Deti-Bold. You can actually use these buttons over here to either delete the layer or hide the layer. So if I choose Hide, that layer gets hidden in this view. Now to get the layer back, you would go to the View tab. So you would go to Visibility/Graphics dialog, click the Import Categories tab, And you will see each of the CAD files that you have imported or linked into your project listed here, with each of its layers listed beneath it.

So I can see that A-Deti-Bold has been unchecked, and I can simply check it, click OK, and that will restore that part of the file. If I want to permanently delete a layer - so not turn if off, not hide it - I can actually use the Delete layers button, if I want to permanently delete a layer. And I could select the same layer and click OK. And the difference here is that layer is now deleted permanently from the file. So even if I went to Visibility/ Graphics, Import Categories you would now see that A-Deti-Bold is no longer on the list.

It cannot be restored. So make sure, before you delete a layer, that that's in fact what you want to do. I am going to go ahead and undo that. Now sometimes it might be tempting when you select the file you see this button right here called Explode. And if you read the explanation of that, it tells you it disassembles this import into its constituent pieces. That might be tempting to do, particularly if you want to just make a quick, little modification and move something around. Let me go ahead and choose Explode here, and show you what would happen. You can see that these are now individual lines.

These are individual pieces of text. And you know, again, it might be tempting because I could say, oh, well, now I can click in here, and I can edit that text, or I can select this line and do something to it. In general we really discourage CAD files from being exploded. It's not considered best practice. What this tends to do it is balloon the size of your Revit project quite substantially. It may not be so bad with one small detail like this, but if this practice is used quite a bit, it can actually prove to be quite a detriment to the overall performance of your Revit file. Furthermore, what you're going to end up with is a bunch of extra symbols and styles and other things that get created from the CAD file that you may or may not want in your file.

For example, if I select this line and I open up the list, all of my previous AutoCAD layers have now been turned into Line Styles in my Revit file. Now that may seem logical, but that also might be distracting to folks doing other work in Revit. Furthermore, if I click the Manage tab and I go take a look at the Materials dialog, you are going to find some things that suddenly start appearing in your file that you may not expect at all, like these Render Materials down here. Now these are not really useful materials. They simply took all of your CAD layers and looked at the color of those layers and created a Render Material for each of those colors.

So again, not a very useful thing that it did there, so what I generally like to refer to that as is when you Explode a detail, it basically pollutes your Revit file with all sorts of extra stuff that you really don't want to have there. It is possible to delete and purge those things out, but it's much better practice to just not have them there in the first place. So if you're tempted to explode an AutoCAD file in a Revit project, my recommendation would be: bring it into a temporary Revit project first, explode it there and then copy and paste only over the geometry that you actually need, rather than exploding it in your main project.

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This video is part of

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Revit Architecture 2011 Essential Training

81 video lessons · 12587 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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