What are datum elements in Revit?

WHAT IS elements in Revit?

Elements in Revit are also referred to as families. The family contains the geometric definition of the element and the parameters used by the element. Each instance of an element is defined and controlled by the family. About Element Properties. Each element you place in a drawing is an instance of a family type.

What are the two types of view specific elements in Revit?

There are 2 types of view-specific elements: Annotation elements are 2D components that document the model and maintain scale on paper. For example, dimensions, tags, and keynotes are annotation elements. Details are 2D items that provide details about the building model in a particular view.

How do you add a datum in Revit?

Add Levels

  1. Open the section or elevation view to add levels to.
  2. On the ribbon, click (Level). Architecture tab Datum panel (Level) …
  3. Place the cursor in the drawing area and click. …
  4. Draw level lines by moving the cursor horizontally. …
  5. Click when the level line is the correct length.

What is a Revit category?

Revit Element Hierarchy. Category: A Category controls the organization, visibility, graphical representations, and scheduling options of Families within the Project.

What are families in Revit Architecture?

Families are a key aspect in Revit because they allow us to modify geometry very efficiently. Families are components we use to build our model, such as walls, windows, stairs, doors, etc. Each family can have multiple types, such as different size, materials, parameter variables, etc.

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What are Revit family parameters?

The Family Category and Parameters tool assigns the properties of a predefined family category to the component you are creating. The tool is only available within the Family Editor. After you dimension the family framework, you label the dimensions to create parameters.

Where are system families Revit?

System families are predefined in and saved in templates and projects, not loaded into templates and projects from external files. Because system families are predefined in Revit, you can only load system family types in projects or templates. Revit includes many system families and project and system settings.

What is Project Datum?

On a construction project, a datum level is an arbitrary horizontal plane of reference from which all vertical dimensions are measured. It can show the vertical height difference between floor levels of a building as well as differences in levels between one part of the site and another.

What is the project base point in Revit?

The project base point defines the origin (0,0,0) of the project coordinate system. Use the project base point as a reference point for measurements across the site. The survey point identifies a real-world location near the model, such as a corner of the project site or the intersection of 2 property lines.