Autodesk Revit Tutorials, Revit Families, BIM Revit

   
     
     
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Building a Parametric 3D Family

 

Controlling Chair Visibility

To modify the family so that chairs can be made visible (or not visible) as part of the family definition, follow these steps:
  • Click Family Types on the Design bar to open the Family Types dialog
  • In the Parameters group, click Add.
  • In the Parameter Properties dialog, enter the data shown in Figure 10.40.
Figure 10.40
Fill out the Parameter Properties dialog as shown here
 
  • Click OK.
  • Select one of the chair groups, and choose Edit Group from the Options bar
  • Select the chair, and edit its element properties, either by right-clicking and using the context menu or by clicking the Element Properties icon in the Options bar.
  • Under the Graphics group, find the Visible parameter. At the far right end of the row, click the button to launch the Associate Family Parameter dialog box.
  • In the dialog, choose the displaysChairs parameter you created earlier.
  • Click OK twice to dismiss the Associate Family Parameter and Element Properties dialogs; then, click Finish Group.
  • Click the Family Types Design bar command to launch the familiar Family Types dialog.
  • Choose the type 36. Diameter in the Type drop-down list at the top of the dialog.
  • At right, in the Family Types group, choose New.
  • Type in the name 36. Diameter no Chairs, and then click OK.
  • In the Graphics group, select the displaysChairs parameter, and then Click OK to close the Family Types dialog.
  • Save the family. Choose Load Into Project from the Design bar to view the completed family
  • You should have four types of families available. Place an instance of each to see the results (Figure 10.41)
Figure 10.41
Finished family types placed in a project. All four types are dis-played, illustrating the use of the array with the formula and the conditional dis-play of the chairs