object
A model element, annotation element, datum element, or imported element in a project.
object style
A set of characteristics that define the line weight, line color, line pattern, and material for a
category of model elements, annotation elements, or imported objects in a project.
For more information, see
Object Styles
on page 484.
ODBC
Open Database Connectivity. ODBC is a general export tool that works in conjunction with many
software drivers.
You can export information about model elements in a Revit project to an ODBC database. See
Exporting
to ODBC
on page 1287.
offset
A uniform distance from an element or line, along which the element or line will move, or a new
element or line will be created.
For example, when creating walls, you might specify an offset of 5 meters. When you select an existing wall,
Revit Architecture draws a new wall 5 meters from the selected wall.
The following illustration shows that, when you move the cursor near the outside of a chain of walls, Revit
Architecture draws a preview line to show the offset from the walls. See
Moving Elements with the Offset
Tool
on page 303.
open loop
A sketched line that does not connect to itself. Instead, it leaves an open space between the start
point and endpoint of the line.
In Revit Architecture, you use open loops to sketch a roof by extrusion and to split toposurfaces and faces.
In the following sketch, a closed loop defines the walls, ceiling, and floor. An open loop defines the roof.
1534 | Glossary
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