Aug 25, 2011 · Video Post: Void Visibility Parameter in Family If you're looking for a way to switch voids on and off in a family, you can't. You can only move them out of the solid. } How can we use the Revit API to control the visibility of Linked files, specifically hiding and un-hiding the Linked files? To hide/unhide linked files, we can use the Document.Element.HideElements() (or the UnHideElements, as the case might be). The following self explanatory code snippet shows the usage...

One family file is supplied and may be loaded into the project through all traditional methods. There are no family supporting files (i.e. type catalog, look up tables or render library files). The file contains geometry that represents the Cummins 750 kW – 1000 kW generator sets and options such as an enclosure and fuel tank. For a consistent Revit Visibility Hierarchy. Revit gives the user a number of ways to override the display of an element. Have you ever wondered if the families in your Revit project contain meshes? Families that contain meshes, most of the time, mean that they have one or more imported DWG files...Jul 22, 2016 · Items of Revit geometry or even text can have a visibility control added. For example, this can be useful to set up keep clear areas for doors so when space planning an area we leave the ‘keep clear’ shape on and is this way on placing the furniture, perhaps in a busy kitchen or distribution panels in control room, we can ensure we have clear access when the doors are open.

Learn how to build Revit Door Families in this Revit tutorial that covers parameters, conditional formulas, and family types. In this course you will build Revit door families from scratch. You will utilize dimensional, visibility and material parameters, and tackle angled parameters.

Lesson 4: Revit Families In this lessson, you'll learn that Families are incredibly useful in Revit and can be thought of simply as a collection of like items sharing the same overall look and behavior.