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Understanding CAD inserts

From: Revit Architecture 2011 Essential Training

Video: Understanding CAD inserts

While linking CAD data is a powerful way to incorporate outside files into your project, linking isn't always the best option. For example, sometimes you might just have a legacy detail from a standard office library, or you might have a file that you have no intention of updating throughout the course of the project. So you might choose to just embed that file directly into your Revit project. So let's go ahead and look at the process for that. In this case, I am going to do it in the context of a standard CAD detail. So the assumption is we have a library of CAD details from legacy files, and we are going to bring some of those details over because we want to use them in a Revit Project.

Understanding CAD inserts

While linking CAD data is a powerful way to incorporate outside files into your project, linking isn't always the best option. For example, sometimes you might just have a legacy detail from a standard office library, or you might have a file that you have no intention of updating throughout the course of the project. So you might choose to just embed that file directly into your Revit project. So let's go ahead and look at the process for that. In this case, I am going to do it in the context of a standard CAD detail. So the assumption is we have a library of CAD details from legacy files, and we are going to bring some of those details over because we want to use them in a Revit Project.

So I am looking at a project here called Office Building in the Exercise Files for Chapter05. And I want to add this AutoCAD Detail, but I don't really have an appropriate view in my Project browser to add it to at the moment. I have my Schedules and my Floor Plans and my Elevations, but I don't have a detail view. So what we can do is actually go to the View tab. And there is a special kind of view for this purpose called the Drafting View. And you use a Drafting View for creating any kind of a disconnected detail view that goes along with your project.

This is an unlinked view. It's like a blank sheet of paper. So I am going to call this AutoCAD Details. And I am going to leave the Scale at 1 1/2" = 1'. You can change that anytime. And what this will do is just give me a blank sheet of paper. Now where else you'll see this is if I scroll down on the Project browser, we now have a Drafting Views category. And if I expand that, beneath that we have our AutoCAD Details view name, and it is in bold because I have that current. So the next step is for me to go to Insert.

And we used LinkCAD in a few of the previous movies. This time, we are going to use the Import CAD button. And the difference is that when we do link it actually maintains a link to the file. If the file changes, we can update it. Import will not maintain the link. So if we need it to update the file, we would have to delete the one we have and re-import it in. So I am going to select AutoCAD Detail, when the dialog comes up. If you have access to the Exercise Files, it's in the Chapter05 folder. And last time we brought in files, when we were linking them, we inverted the colors because we wanted to trace over them and use that CAD data.

This time I'm actually going to print the CAD data along with my Revit project, so I am going to force all the colors to black and white. I am going to bring in all layers and let it autodetect the units. I don't really want to use Auto Positioning for this, because it doesn't make a whole lot of sense for detail. I want to just place it myself on the sheet of paper that I have here onscreen. So the best way to do that is for me to place it manually and to put my cursor at the center of the detail. So I am going to choose Manual Center. And when I click Open, you'll see the detail is now attached to my cursor, and I can put it anywhere I want onscreen.

And I'm going to zoom in a little bit on it. And what I want you to see is it's pretty lifeless. There's not a whole lot of oomph to it. It's kind of flat. And this is because of the different way that AutoCAD and Revit treats line weights. In AutoCAD it's pretty common for folks to use the color system to determine what line weight is what. And in Revit, it's done in a different way. We actually have a line weight property that we use. Now AutoCAD actually has a line weight property as well; it's just that it's more common to see the colors used.

So what I'm going to do is bring the same detail in again, but before I do, I am going to change a few settings and show you the difference of how you can actually import it and map the AutoCAD line weight colors over to Revit line weights. So to do that, here on the Import panel, there is a small little icon right here. And if you remember back in User Interface movies, we talked about Dialogue Launchers. That's the technical name for this little icon. This is a Dialogue Launcher. So when I click it, it will launch a dialog. And this dialog is called the Import Line Weights dialogue.

And what it will do is it has this big long list of the 255 colors that AutoCAD uses. And you could manually go through here, if you were familiar with the colors in the AutoCAD file, and simply type in. If your knew color eight was supposed to be a pen weight 3, you could type in pen weight 3. Now that's a pretty long and tedious process, so what we are going to do instead is I've prepared a file that we can load in. Now if you have an office standard setup here, what I recommend you do first is click Save As and give that a name, like backup or something.

And then that way you can restore your original settings when we're done, but for now, I am going to click Load. In the Chapter05 folder, I've provided this file called Detail line weights. Now these are just text files. You could literally open them in Windows Notepad and type them there. So there is nothing fancy about this file. I am going to go ahead and open it up, and you'll see something happened over here. And if I kind of scroll down, I believe color 31 is a little different. So yeah, there we go. Color 31 is a pen weight 3 and then down toward the bottom here there is a pen weight 6 right there. So you can see it definitely made some changes.

So when I click OK - and let me point out one more thing here. Down at the bottom it says, Note: these values only apply to layers that are set by default. So if your AutoCAD file actually uses line weights, then Revit completely ignores this dialog. So this dialog only applies to those legacy files that don't use the line weight feature, that use colors instead, and then it will look at these colors; otherwise, it just uses the line weight that's assigned in AutoCAD. I think that's pretty logical, right? Why would it bother to look at the colors if there was already line weights there for it to choose from? I don't need to change any of the settings here.

I'll just it Open it up again, place it over here, and if I zoom in, you can see that it definitely looks different this time. We have a bold edge around the outline. The flashing is a little bit more bold, as is this head frame of the doors. So quite a few things look a little different, and has a little bit more of a punch to it. So I can just simply select the old version and delete it, and then I am good to go. Let me just do some housekeeping here. If you want to clean up and kind of get back to the default, you can click the Dialog Launcher again, Load, and load this file that I've provided called Reset.

That will set everything back to the default values of one, just in case you want to have everything back the way it was. So this detail is now available for us to use. We could print it, put it with our set, and it would just be part of our Revit project.

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This video is part of

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

81 video lessons · 12542 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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