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In the Family Types dialog, IFCExportType appears in the parameter list.
Specify values for IFCExportAs and IFCExportType
When you add the shared parameters to one family type, Revit Architecture automatically adds them to all
types in that family. Next, you can specify values for each parameter in each family type.
16
In the Family Types dialog, do the following:
a
For Name, select a family type.
b
For IFCExportAs, specify the desired IFC class.
c
For IFCExportType, specify the desired IFC type.
d
Click Apply.
17
Repeat Step 16 for each of the remaining types in this family.
18
When you have defined values for all family types, click OK.
19
Save changes to the family.
20
If you want to load the updated family into a project, open the project. Then return to the
Family Editor, and click Create tab
➤
Family Editor panel
➤
Load into Project.
Check parameter values in a project (optional)
You can verify the IFC export parameter values assigned to an element in a project.
21
In the project, select an element that belongs to a family to which you added the shared
parameters IFCExportAs and IFCExportType.
22
Click Modify <Element> tab
➤
Element panel
➤
Element Properties drop-down
➤
Type Properties.
23
Under Type Parameters, scroll down to the IFC Parameters group.
The IFCExportAs and IFCExportType parameters display the values that you specified for the
family type. When you export the project to IFC, elements in this family will be mapped to the
specified IFC class and type.
IFC-Specific Files
Revit Architecture makes available the following IFC-specific files:
■
IFC Metric Template.rte. This file allows you to create new projects that are already set to the IFC standard.
■
IFC Parameter Upgrade.rvt. This file enables you to upgrade an existing project to contain IFC parameters
by reading the instructions contained in the IFC Parameter Upgrade.rvt file.
■
IFC Shared Parameters.txt. This file contains the shared IFC parameters if you want to manually update
an existing project to contain all or some of these parameters.
NOTE
It is recommended to use the IFC Parameter Upgrade.rvt file instead, for performance reasons.
To access the IFC-specific files
1
In a web browser, go to
http://revit.autodesk.com/library/html/index.html
2
Click Revit Instruction and Help Samples.
3
Click IFC.
The web page displays a list of the available IFC files.
Exporting to Industry Foundation Classes (IFC) | 1371
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