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In this movie we'll continue working on the basic building form for our museum project. I'm in a file called Annex, and if you watched the last movie we massed-out the basic main form of the building. We have an annex over here which includes a lower gallery space over here and then a slightly taller space, which will abut up to the residential neighborhood along the street there, and we want to treat that a little bit differently from the main building. So we're going to use separate forms initially, in the early design phase, and then as we refine the design, those forms will take shape and become those various portions of the building.
So, to get started I'm going to jump over here to the Main Level Floor Plan, and as you may recall this is the Floor Plan where we added the illustration, or the aerial photograph rather, of the site and I'm going to zoom-in to the area that we want work in right over here. I want to take a quick measurement from this corner of the building here out to a little before the street to give me an idea of how much room I have to work with. So, I can get the Measure tool up here on the Quick Access toolbar or you can also find it on the Modify ribbon right here, whichever place you want to choose it from.
And I'm going to snap right to the endpoint of the building. Make sure that I'm going parallel to that Reference Plane that we drew in a previous movie. And allowing for a little bit of setback here. It looks like I've got about 148 feet to work with. So, that's the number that I'm going to kind of internalize, and the reason I want to have that number is because at the moment this aerial photograph is a little distracting, it's kind of a little tough to draw my sketches. So, I'm going to actually select it, come down here to the Temporary Hide/Isolate, it looks like little sunglasses and I'm just going to temporarily hide that photograph from view.
And that will make it a little easier for me to work in this general area here. Now I'm going to work with Reference Lines like we did in the last movie, and I'm going to just draw one kind of randomly, but making sure that it's perpendicular to that reference plane. So, I just want to get the angle correct first, select it, and then I'll go to the Move tool here on the Ribbon, and pick any point on the Reference Line, midpoint is just as good as any other, and snap that directly to that endpoint right there. So that will establish that sort of leading edge.
Now it's a little bit short. So I'll do Trim/Extend to a single element. Use this as my boundary edge and extend that line like so. Now I'm going to select this line, use my Copy tool and copy it, making sure that I'm going parallel, and I really want to go parallel. So I'm going to move a little further and I'll type in that 148 feet that we measured earlier, and that gives me the far extent over here. Now with it still selected, I'm going to Copy again and go back in the opposite direction also running parallel.
And I'm going to just make up a number here about 88 feet, and the reason I'm doing that is, again, I said there was going to be a taller portion of the building with this sort of low portion connecting the two. So this will be the low portion in here and the tall portion will be over here. Now, let's go to Reference Line. I'm going to start right here at this endpoint, draw it over here to this intersection, and keep going straight up and I'll just try to stop out here somewhere. I'm going to press Escape one time, because that will break the chain right here, but I'm still in the Reference Line command.
And I'm going to draw a second Reference Line at about 20 feet off the back of the building, just out here somewhere, and Escape out of there, and click the Modify tool. Now, if I select it I want to verify that I got the 20 feet there. You can see there's a temporary dimension right here and it's actually saying 16 feet. So I'm going to click in there and set that to 20, and again, there's not necessarily anything special about these numbers. At this early stage of the design, we're just picking some numbers that we think are going to work pretty good and of course the design will change as we move along.
I'm going to highlight this line down here and you'll notice it highlights the full chain. So I'm going to press the Tab key to select just this one, go again to my Copy command, pick my start point, start moving along this line, and then again choose a number that I want to put in here. I'm going to try 280 feet. That gives me the overall footprint that I'm looking for. But I now need to use my Trim/Extend to Corner to clean all this up. So I'll trim this one to this one, and this guy to this guy, and then what'll happen here is these two lines don't touch.
So I use Trim/Extend to a single element and make that and make that. So now everything should be cleaned up nicely and you'll notice here when I highlight I get a nice chain of lines and walls. If I wanted one continuous form here I could just go right to Create Form. But I actually want a separate form in this space and another form over here. So what I'm going to do is come up here to the Modify panel again and use my Split tool, and choose right there and right there.
And that will allow me to--if I move my mouse around a little bit you can see now that I've got a new chain on the inside, that's the one that I'm going to click, and I can go to Create Form and I'll get the two glyphs. Now, the one in the left is actually the 3D form, the one in the right is actually just a plane. You'd see this better in a 3D View, because I'm here in plane it's kind of showing me both from the top down. Let's say that I chose the plane maybe accidentally. It's not really that big of a deal because if you go to the 3D View, here's the plane right here.
I can select it and you'll still get these two little control handles here and I can just simply extrude it after the fact, and like before it will try and snap to things nearby. I'm going to pull it up kind of in that middle range there between the two roofs and then click on this dimension, and instead of this sort of oddball number here, I'll just make that something in between, a nice 50 feet, a nice round number, and that puts the roof of this Annex somewhere between the low roof and the high roof. Moving my attention over here I want to actually extrude this next into a box.
So, again, the way you move your mouse, notice that the outside edge gives me the outer chain, the inside gives me the inner chain. So just simply moving the mouse around is going to switch which chain is being selected. So I'm going to select this chain here, just this box, and click Create Form and it looks like it came out a little odd, right? We actually got a hollowed out form there. So if I investigate, I see that the reason for that is that I'm not actually closed here at the corner. So let me do Ctrl+Z to undo that.
Let me clean up that corner first and I'm going to do Trim/Extend to Corner, click this guy to this guy, Modify, now I'll select this chain, and this time when I Create Form I should get the two choices just like we got before; I can do a plane or a solid. I'll do a solid and let me orbit it down slightly. Use my blue grip and pull this down to a more reasonable height like so. So there's our basic Annex form.
So at this stage I'm ready to take my model to the next stage, which is to start running some analysis on this model. We can actually load it into a project and calculate square footage and run some preliminary energy analyses and some other kinds of studies for it. And so that'll be a good way to tell our designers how we're progressing and give us information that we need to make design decisions moving forward. And so we'll start looking at some of those features in the next couple of movies.
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