Project a 3D point orthogonally onto a surface (to find the nearest point). Throws InvalidOperationException if the projection fails.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0)
Since: 2018.1

Syntax

C#
`public void Project( XYZ point, out UV uv, out double distance )`

Visual Basic
`Public Sub Project ( _ point As XYZ, _ <OutAttribute> ByRef uv As UV, _ <OutAttribute> ByRef distance As Double _ )`

Visual C++
`public: void Project( XYZ^ point, [OutAttribute] UV^% uv, [OutAttribute] double% distance )`

uv: Type: Autodesk.Revit.DB UV %
The surface coordinates of the projected point.

distance: Type: System Double %
Holds the distance from input point to its projection.

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	A non-optional argument was NULL
Autodesk.Revit.Exceptions InvalidOperationException	The projection failed.