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Hello and welcome back to our CAD clips on Revit Datums, Crop Regions and Scope Boxes. This is a great demonstration where we will see how we can have nested Scope Boxes controlling our Datums. So this is more of a practical example than a demonstration on what we have been learning so far. We will follow this up with another CAD clip on more technical on how we build what we see in this particular lesson.
So we have got a situation where we have created four different Scope Boxes as you can see here one, two, three, four. And these four Scope Boxes have different Datums associated to them and therefore giving you control. In this area, we have a vertical shaft in the upper part, upper three floors here. We have got a Scope Box around there and that will control the extents of the grid lines associated with this.
So we will have a little nested grid. When you go to the lower levels, the floor plans over here, when you get down here, you would not see the grid lines that are from here because those grid lines are associated to the Scope Box and the Scope Box does not extend down beyond that. But at the same time, we can have another Scope Box that actually encompasses the entire building and then we have associated the level Datums and the main building grid Datums to this Scope Box.
Over here in our building B and we can have this all one building or different areas of a building. We can nest these any way we want. So here is our Scope Box that is going to encompass that main building and it is going to have the grid lines associated to this slab edge etc. associated to this scope box is well as the level Datums and then there is another Scope Box nested inside of there here and that is controlling the grid lines for the vertical shaft which goes all they way up through there.
Now you will also notice I have got my levels kind of offset okay. So you can only have a level, name has to be unique. So you cannot have two level ones at different elevations. So you will have to either draw another level at the same level and call at it with a different name or you can offset you levels. But what we want to see here is if we got to my level one, we will look and we have some grid lines etc. and we have this main building over here.
And if I click on this Scope Box and I drag it out, it is going to be controlling the main grid line extends and that is all it does. Okay it does not change our model objects. It just changes the Datums associated to it. Notice that you do not see that little grid that is up over here okay. I have turned all my bubbles on here just so you can see the effect.
So if I go to my level two, I am going to see I have also extended those around and I can turn that bubble on there as well. So and my level three because this is all the main scope so all levels over here all the way up to level six are going to change because they are all associated to this big Scope Box. But you will notice at level five or level six, level five and level four, there is a little nested grid sitting over here.
This little nested grid is being controlled by this Scope Box okay. Even if we look at this in section, right here, there is that Scope Box and I can click on that like it stretch that up and down wherever I want. I have got my main Scope Box here as well.
Now it looks like my crop region is clipping that little bit. Yes I need to pull my crop region out here on the section. Same thing, this 3D Scope Box, you see these two grid lines, grid line 21 and 22, they are being controlled by the Scope Box. And be it even if we go to my level five, there is the same Scope Box, there are those same grid lines, they are associated. If I click on here and I look at this, this says Scope Box 25.
If I click on this grid line, it is associated to Scope Box 25. This one is associated to Scope Box 23. Now these levels over here building A, I should say not building B, level 1A is over here Scope Box. This is the big Scope box and that is going to control the extents of that main grid system. I am just dragging by the grips and this smaller nested Scope Box is controlling the extents of these grid lines.
Remember I can always grab the grid line by a 2D point and drag that down to form a new relationship. Notice that there is the 3D point and there is the 2D point, 3D, 2D. The 3D one is going to be locked to that Scope Box. I can take a Scope Box and I can nudge by simply moving it. Notice the grid lines on the left hand side, the bubbles are moving over here okay. So these four grid lines are associated to this Scope Box.
Now at the same time, I can take this grid line and stretch it. That is associated or locked to the opening but that is separate activity similarly here. I can take this grid line and move it and it changes my slab okay. That is just regular Revit behavior.
So now just as a recap, Scope Box here, it also has the levels. Let us go a south elevation here. There is that same Scope Box look I am going to drag it. These levels are going to associate themselves. I can nudge that in if I want or drag that in, that is the levels because I click on this Scope Box and I look at the properties, it is Scope Box 26 and these level lines are associated to Scope Box 26.
So this grid lines are associated to this Scope Box and over here we have got our little guy up here and then we have got this one controlling, look at this level lines. Watch what happens when I drag this, because they are associated to this Scope Box. So in 3D it is easy enough to create Scope Boxes and again, I can stretch them by these grips here if I want. So one, two, three, four Scope Boxes controlling four different sets of Datums.
So I am sure we can find some use for that on some of our bigger projects.