Namespace: Autodesk.Revit.DB

Transform

Class

Description:
A transformation of the affine 3-space.

Inheritance Hierarchy:
System.Object
Autodesk.Revit.DB.APIObject
Autodesk.Revit.DB.Transform

Syntax

public class Transform : APIObject

Public Class Transform
	Inherits APIObject

public ref class Transform : public APIObject

type Transform = 
    class
        inherit APIObject
    end

Examples

public static XYZ TransformPoint(XYZ point, Transform transform)
{
    double x = point.X;
    double y = point.Y;
    double z = point.Z;

    //transform basis of the old coordinate system in the new coordinate // system
    XYZ b0 = transform.get_Basis(0);
    XYZ b1 = transform.get_Basis(1);
    XYZ b2 = transform.get_Basis(2);
    XYZ origin = transform.Origin;

    //transform the origin of the old coordinate system in the new 
    //coordinate system
    double xTemp = x * b0.X + y * b1.X + z * b2.X + origin.X;
    double yTemp = x * b0.Y + y * b1.Y + z * b2.Y + origin.Y;
    double zTemp = x * b0.Z + y * b1.Z + z * b2.Z + origin.Z;

    return new XYZ(xTemp, yTemp, zTemp);
}

Public Shared Function TransformPoint(point As XYZ, transform As Transform) As XYZ
    Dim x As Double = point.X
    Dim y As Double = point.Y
    Dim z As Double = point.Z

    'transform basis of the old coordinate system in the new coordinate // system
    Dim b0 As XYZ = transform.Basis(0)
    Dim b1 As XYZ = transform.Basis(1)
    Dim b2 As XYZ = transform.Basis(2)
    Dim origin As XYZ = transform.Origin

    'transform the origin of the old coordinate system in the new 
    'coordinate system
    Dim xTemp As Double = x * b0.X + y * b1.X + z * b2.X + origin.X
    Dim yTemp As Double = x * b0.Y + y * b1.Y + z * b2.Y + origin.Y
    Dim zTemp As Double = x * b0.Z + y * b1.Z + z * b2.Z + origin.Z

    Return New XYZ(xTemp, yTemp, zTemp)
End Function

Transform Class Members:

Name	Description	Inherited From
Transform	The copy constructor.

Name	Description	Inherited From
Basis	Defines the basis of the old coordinate system in the new coordinate system.
BasisX	The basis of the X axis of this transformation.
BasisY	The basis of the Y axis of this transformation.
BasisZ	The basis of the Z axis of this transformation.
Determinant	The determinant of this transformation.
HasReflection	The boolean value that indicates whether this transformation produces reflection.
Identity	The identity transformation.
Inverse	The inverse transformation of this transformation.
IsConformal	The boolean value that indicates whether this transformation is conformal.
IsIdentity	The boolean value that indicates whether this transformation is an identity.
IsReadOnly	Identifies if the object is read-only or modifiable. (Inherited from APIObject )	APIObject
IsTranslation	The boolean value that indicates whether this transformation is a translation.
Origin	Defines the origin of the old coordinate system in the new coordinate system.
Scale	The real number that represents the scale of the transformation.

Name	Description	Inherited From
AlmostEqual	Determines whether this transformation and the specified transformation are the same within the tolerance (1.0e-09).
CreateReflection	Creates a transform that represents a reflection across the given plane.
CreateRotation	Creates a transform that represents a rotation about the given axis at (0, 0, 0).
CreateRotationAtPoint	Creates a transform that represents a rotation about the given axis at the specified point.
CreateTranslation	Creates a transform that represents a translation via the specified vector.
Dispose	Causes the object to release immediately any resources it may be utilizing. (Inherited from APIObject )	APIObject
Equals	Determines whether the specified object is equal to the current object. (Inherited from Object )	Object
GetHashCode	Serves as the default hash function. (Inherited from Object )	Object
GetType	Gets the Type of the current instance. (Inherited from Object )	Object
Multiply	Multiplies this transformation by the specified transformation and returns the result.
OfPoint	Applies the transformation to the point and returns the result.
OfVector	Applies the transform to the vector
ScaleBasis	Scales the basis vectors of this transformation and returns the result.
ScaleBasisAndOrigin	Scales the basis vectors and the origin of this transformation and returns the result.
ToString	Returns a string that represents the current object. (Inherited from Object )	Object

Name	Description	Inherited From
Multiply(Transform, Transform)	Multiplies the two specified transforms.