So, do I want the lower part or the upper part? I’ll click on the lower part, and we’ll get the result as expected. It highlights the roof to say that’s the one that I’m using as a trimming element, and the status area says click to select which part to keep. Now, I’ll undo that, and we’ll go now to the option that we are going to use from now on, which is select all the walls here, go to the Design menu, go to Connect, Trim Elements to Roof or Shell, and so this is the new command that allows us to select a roof so that you see that it’s got a cursor that looks like a little roof. You can use this option here if you do want to have a sloped top on a wall, perhaps for a ramp, without having a roof actually sitting there. Now, the only reason that I still use that command, and the reason why GraphiSoft maintains it is that you can actually delete the roof and still have the walls trimmed, and you can’t do that in the later versions where you’re using solid element operations or the new Connect command because if you delete the roof, then the walls will restore to their full height. The Crop to Single-plane Roof looks identical to the old command except for the name Crop instead of Trim, and then if I, say, crop it here, you can see it cuts this off, but just like before, if I were to take this roof and change its slope down, we’ll see that it does not actually update the wall connection there. So, GraphiSoft changed the term, and it was in the menus in 15, but actually seems to be only in the Context menu in 16. Now, the equivalent of the old Trim to Roof was that in ARCHICAD 14 and earlier is the command that you can get from the right-click context menu called Crop to Single-plane Roof. In place of the ARCHICAD 14, we have a Connect menu that describes various things that you can do with trimming things to roofs. It’s been changed to Crop to Roof, and in fact, it’s not showing up in the standard ARCHICAD 16 menus. The command under the design menu that used to be called Trim to Roof is no longer there. I’ll take these four walls, select them all, change them to be higher than the roof, and let’s take a look. Now, we’ll go to 3D, and we’ll start seeing the first changes that we will encounter. Just choose the slope, the 4 in 12, go here, and find a pivot line the direction of upward sloping, and then select that roof after drawing it and use the pet palette option to make it a little larger to have an overhang. So, I’m picking a single-plane roof and a rectangle, and it will be very much the same. Now, in order to create that shed roof, I’ll go to the new geometry option, which is a single-plane roof as compared to a multi-plane roof.
Now that I’ve created a copy of the walls, let’s start drawing the first roof, which will be a shed roof in this corner. I’m just going to have to manually change that one down to start at the ground level so that we’re starting from the same point. Now, there is one individual one that was used for the box gable.
For example, this wall here, deselect it, then reselect it, and what that will do is that will actually then show the last value selected, and now when I make the change, it will affect all the ones that need to be adjusted here. That’s because some of them are at that height, but what I can do is I can select any one of them that’s not. Now, you notice when I selected all the walls that they actually say that they’re all at the same height. What I want to do is bring them down all to the same size so I can start out sort of nice and neutral. Nice, even distance, and then we’ll go up and take a look at them in 3D, and you can see that the walls are actually varying sizes. So, what I’ll do is take the walls that I’ve already got here, go to the wall tool with the Marquee active, and select all the walls and drag a copy of these over. It’s important to understand how to take advantage of what’s there as well as how to avoid some of the surprising little areas that can be confusing. Some of them make these roof creations easier, and others actually have surprising complications. However, there are some new options that were introduced into ARCHICAD 15. You’ll see that the roofs all came through just fine, so you can actually bring files forward, and you can create roofs that are very similar in ARCHICAD 15 and later. I’m working here in ARCHICAD 16, and I’ve opened up the file from ARCHICAD 14. In this lesson, we’ll look at the creation of roofs in ARCHICAD 15 and 16. How to Model Roofs in ARCHICAD – In Depth Tutorial For A Wide Variety of Roof Types
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