On the Model panel of the Home tab, click the Opening button.. On the Forms panel of the Home tab, click the Sweep button... On the Sweep panel, click the Pick Path button.. Click the Se
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F i g u R e 1 7 2 9 Starting an In-Place family
7 On the Model panel of the Home tab, click the Opening button.
8 Pick the brick wall facing you.
9 Sketch an opening, as shown in Figure 17.30.
10 Click Finish Edit Mode.
11 Go to a 3D view.
12 On the Forms panel of the Home tab, click the Sweep button.
F i g u R e 1 7 3 0 The arched opening
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13 On the Sweep panel, click the Pick Path button.
14 Pick the exterior corners of the opening forming the arc and the two
straight lines to either side of the opening (see Figure 17.31)
15 Click Finish Edit Mode on the Mode tab.
16 In the Project Browser, go to the Level 1 West floor plan.
17 Click the Select Profile button on the Sweep panel.
18 On the Sweep panel, click the Edit Profile button (see Figure 17.32).
19 Sketch the profile, as shown in Figure 17.32.
F i g u R e 1 7 3 1 Picking the exterior edge for the sweep’s path
20 Click Finish Profile.
21 In the Properties dialog, make sure Sweep is current, and then click
the little gray button to the left of the Materials row
22 Add a parameter called Casing Material.
23 At the bottom of the dialog in the Other category, click the Trajectory
Segmentation
24 Set Maximum Segment Angle to 1.
25 Click OK.
26 Click Finish Sweep.
27 Click Finish Model.
28 Go to a 3D view; your opening should look like Figure 17.33.
O
When you are pick-ing the lines for the path, you will find that you cannot pick the entire line on either the two sides
or the arc all you need to do is pick any line on the three corners, and then trim them to meet at the corners.
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The moral of this story is this: when you have a custom situation within the model that cannot be created using the conventional Revit tools, create an in-place family You should also make it as flexible as possible, and give the user some choices, such
as materials, so anyone can manipulate the family as if Autodesk itself provided it
F i g u R e 1 7 3 2 Sketching the profile
F i g u R e 1 7 3 3 The finished family
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Are You experienced?
Now you can…
create a cove sweep family
E
E
identify the family template you need to use to start a family
E
E
create a door family
E
E
add symbolic lines to a family
E
E
create an in-place family
E
E
create sweeps and extrusions
E
E
create parameters
E
E
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site and topography
You might be asking yourself if there is a fourth Revit No It would be nice
if there was a “Revit Civil,” but there isn’t such a thing So, we are left to our own devices when it comes to adding a site to our model This is fine, because
in many cases Revit is well equipped to take on the challenge Unfortunately, also in many cases Revit is dependent on AutoCAD or MicroStation to provide
a real-case scenario for a site that can be imported (similar to importing a plan or a detail) Fortunately, Revit provides tools to add a topographic sur-face to an imported CAD site
adding a site within revit
Splitting the surface
Creating subregions
adding site components
adding building pads to displace earth
adding a property line
Creating a toposurface by instance
Creating a graded region
Orienting a site
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Adding a site within Revit
To get started, let’s do something easy, and then migrate into the more difficult areas such as importing a CAD file The first item we will tackle will be to start a site using datum points that you will manually pick using the Toposurface func-tion on the Ribbon’s Massing & Site tab
The first major function within Revit Architecture for adding a site is the topographic surface Revit has a separate tab on the Ribbon called the Massing
& Site tab that lets you access this feature
So, let’s get cracking To get started, open the model you have been working on
If you missed the previous chapter, go to the book’s web page at www.sybex.com/ go/revit2011ner From there you can browse to Chapter 18 and find the file called
NER-35.rvt The objective of the next procedure is to add a topographical surface by choos-ing datum points and elevations
1 In the Project Browser, find the floor plan called Site and open it.
2 On the Massing & Site tab, click the Toposurface button, as shown in
Figure 18.1
F i g u R e 1 8 1 Click the Toposurface button on the Site tab of the Design bar.
3 On the Options bar, set the elevation to –6″ (that’s negative 6″)
4 Pick points in a circle around the footprint of the building, as shown
in Figure 18.2
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launched the Sketch Mode The button that is selected by default within the
Toposurface Sketch Mode is the Points button
F i g u R e 1 8 2 Adding the first contours
5 With the Points command still running, set Elevation on the Options
bar to –1′–0″
6 Pick a circle surrounding the inside contour lines, as shown in
Figure 18.3
7 With the Points command still running, set Elevation on the Options
bar to –3′–0″
8 Add a third contour line surrounding the second, as shown in
Figure 18.4
9 Click Finish Surface (the green checkmark).
10 Select the topographical surface; then, in the Properties dialog, click
into the Material field, and click the […] button
11 Choose Site - Grass from the Materials list and click OK.
12 Go to a 3D view and check out your site, as shown in Figure 18.5.
Next let’s see how we can modify a site after we create it We will have to deal
with the fact that the ramps at the west entry are buried in our site now
Modifying a toposurface
Since you must always make modifications to a toposurface, you will need to learn
how to do so The method is basic Select the site, click Edit, and away you go!
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F i g u R e 1 8 3 Adding the second contour to the site
F i g u R e 1 8 4 Adding the third set of contours
The objective of the next procedure is to modify the toposurface to allow for the ramps to land on earth
1 Go back to the Site plan.
2 Zoom in on the east entry area where the ramps are located, as shown
in Figure 18.6
3 Select the site (you may have to find an edge).
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F i g u R e 1 8 5 The toposurface
4 On the Modify | Topography tab, click Edit Surface.
5 On the Tools panel, click the Place Point button.
6 On the Options bar, set Elevation to –2′–6″ (negative 2′–6″)
7 Pick a series of points, as shown in Figure 18.6.
8 Click Finish Surface on the Surface panel.
9 Go to a 3D view to make sure the ramps are terminating at grade.
10 Save the model.
F i g u R e 1 8 6 Adding the –2′–6″ points