Join Paul F. Aubin for an in-depth discussion in this video Rotating and aligning a Revit link, part of Revit 2018: Essential Training for Architecture (Imperial).
- [Narrator] An important step of linking in a Revit project is you often have to make some adjustments to it to get the positioning correct so what I have here on screen is a host model that shows our office building and you can see that down here at the bottom and then a link file right here for the site plan information. Now that link file came in in totally the wrong location, so what I want to walk through now is how to move and position that link file very precisely relative to where it needs to go with respect to the building. So, I've put a few things in here to help us along with this and I'm actually going to show you two methods to do this.
So, the first thing I'm going to do is zoom in region right here toward the end of this little side walk and parking lot and you'll notice that there's this little green line right here and a shorter little green line there, so, those two green lines are in there just for reference, I just sort of drew them in there and that's going to help us with the moving and rotating steps that we're going to do shortly. So let me come over here and do previous zoom pan. Now, I'm also going to zoom in here on the building and because I'm in a site plan view right here, we're actually looking down on the roof and I can't really see the walls and other geometry there, well that green line that I just showed you, I want to line it up with the front door.
So what I want to temporarily do here in the site plan is go to this little popup here where it's like a little white cube and we're currently in hidden line which is the default behavior that we want to typically keep, but I want to temporarily set that to wire frame. When I set it to wire frame we can kind of see through everything and now there's the front door and the wall and it'll be much easier to snap to those locations. Let me do previous zoom and pan again. So, now that I've set up the display to wire frame, I'm ready to start moving and positioning the link file.
Now, what I recommend you do first is select the link file and again, if you're having any trouble selecting it, just make sure that you come over here under Modify and have select links turned on. But I'm going to select the link file and I'm just going to arbitrarily drag it until it's roughly in front of the building. That's going to allow me to then zoom in region right there in front of the building and it's much easier to see what I'm doing that way. So, sometimes it's a good idea to do a rough move first and then allow you to zoom in, it saves you the constant zooming in and out.
Now, let's start with the rotate method first. So, the first method is we're going to rotate the site plan to match the orientation of the building and then move it into position. So, I've got the site plan selected and I'll click on the rotate button there. Now, the first thing you're going to notice is this little dot in the center that kind of is the center of the rotation, you can kind of see it sort of spins around there. If I zoom out, it seems sort of arbitrary, but what you'll notice is if you put an imaginary box around the entire site plan, that dot is right in the center. So, by default, if you don't change it otherwise, you get the center of rotation right in the geometric center of the selection.
Now, you certainly could come over here in the angle field and type in some number like ten degrees and press enter and it would rotate around that center point. Trouble is, that was somewhat arbitrary, and I don't really know what angle I need that to be. Now, I certainly could do a calculation and then type in that value, but there's got to be an easier way to do it without having to perform the calculation. So, let's go right back to rotate and the first thing I want to do is move this center point, so, I could do that by clicking this little dot, clicking this place button right here on the options bar, or by tapping the space bar and that will pick up that little dot and allow me to place it where ever I want to go.
Now, I'm going to zoom in nice and close where those little green lines are and find that midpoint right there which is the intersection between those two green lines. So, that's going to be the center of my rotation which is a much more useful point. Now, the way this works is, I can graphically set the start angle on screen and then graphically set the new angle, also on screen. So my start angle is going to be anywhere along that long green line and I'll click. And it'll set that as the zero angle. Now, I could move this in any direction that I want, but notice if you move slowly, it will actually tend to snap right there where it's horizontal, and it will do that very precisely, so, all I need to do now is click when it's highlighting that horizontal and just like that I've corrected the orientation and now that green line is perfectly horizontal.
So, then all I need to do is go to a move command, pick the midpoint here and move it to the midpoint of that door, but notice that I'm having a little problem. It's trying to only move in the vertical direction. Well, over here in the options bar, there's this checkbox called constrain and if you have that turned on, it only lets you move in the horizontal or vertical directions, so, I just simply need to uncheck that and now I can move in any direction I like and I can come over here and snap right to the middle of the front door. So, that's the first method that we could use to get the site plan positioned correctly relative to the building, so let me undo that a couple times to be back to this arbitrary orientation and if you prefer, instead of using rotate, you can use align, it's just another way of doing it, ends up giving you the same result, but it's nice to show you an alternative sometimes.
So, I'm going to go to the modify tab, click the align tool or type A L, the keyboard shortcut and what you need to do is select your reference for alignment first and that's just going to be the face of this wall and then select the element that you want to move and rotate into alignment and that's our green line. Now that will move and rotate the site plan and line it up perfectly with the wall, so that's our alternative to rotate, now, it put it over here, so we still have to come over here and click move, select our element, pick the base point, and snap it right over there.
So, it ends up being two different ways to achieve essentially the same thing. You can choose whichever one you prefer. I'm going to zoom back out a little bit here and set the wire frame back to hidden line. Now, when I do that, I see that I've got another problem here because the building disappeared, so, what's going on there? Well, to explain what's going on there, let's scroll down on the browser and open up the south elevation and what you'll notice here is that the grade is way up here and the building is way down there, so, when these files were linked in, not only do we need to move and rotate them in plan, but we also have to adjust things vertically as well.
Now, way over here, if I zoom in, you can see that there is a level called project level and what I want to do is line that up with the grade level of my existing project. Now, you could use the move command, but it's actually a lot easier to do this with a line, so I'm going to go to the align command, type A L if you prefer, set the grade level is my alignment reference, zoom back out, and then just pick anywhere here on that project level and it will move it down to the correct location.
So, once I've done that, I'll go back to 3D now and show you what the final result looks like. So, anytime you link in a Revit file, unless the files share common coordinates already, you'll have to do some degree of moving and rotating and adjusting in order to get the two files lined up with one another. If you then want to save that positioning and make it permanent, you want to do something called saving shared coordinates and that will be the subject of the next video.
First, get comfortable with the Revit environment, and learn to set up a project and add the grids, levels, and dimensions that will anchor your design. Then author Paul F. Aubin helps you dive into modeling: adding walls, doors, and windows; using joins and constraints; creating and mirroring groups; linking to external assets and DWG files; and modeling floors, roofs, and ceilings.
Paul also shows advanced techniques for modeling stairs and complex walls, adding rooms, and creating schedules. Finally, discover how to annotate your drawings so all the components are clearly understood, and learn how to output sheets to DWF, PDF, or AutoCAD.
- Understanding BIM and the Revit element hierarchy
- Navigating views
- Creating a new project from a template
- Adding walls, doors, and windows
- Adding plumbing fixtures and other components
- Linking AutoCAD DWG files
- Rotating and aligning Revit links
- Working with footprint and extrusion roofs
- Adding openings
- Adding railings and extensions to stairs
- Creating stacked and curtain walls
- Hiding and isolating objects
- Adding rooms
- Creating schedule views and tags
- Adding text and dimensions
- Creating new families
- Using reference planes, parameters, and constraints
- Plotting and creating a PDF