LightFamily Class


Light Family Class

This class encapsulates light family information.
Inheritance Hierarchy
System Object
Autodesk.Revit.DB.Lighting LightFamily

Namespace: Autodesk.Revit.DB.Lighting
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public class LightFamily : IDisposable

The LightFamily type exposes the following members.

Properties
Name Description
Public property IsValidObject Specifies whether the .NET object represents a valid Revit entity.
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Methods
Name Description
Public method Dispose Releases all resources used by the LightFamily
Public method Equals Determines whether the specified object is equal to the current object.
(Inherited from Object )
Public method GetHashCode Serves as the default hash function.
(Inherited from Object )
Public method GetLightDistributionStyle Returns a LightDistributionStyle value for the light distribution
Public method Static member GetLightFamily Creates a light family object from the given family document
Public method GetLightShapeStyle Returns a LightShapeStyle value for the light shape
Public method GetLightSourceTransform Returns a Transform value for the transform of light source.
Public method GetLightType Return a LightType object for the light type at the given index
Public method GetLightTypeName Return the name for the light type at the given index
Public method GetNumberOfLightTypes Return the number of light types contained in this light family
Public method GetType Gets the Type of the current instance.
(Inherited from Object )
Public method Code example SetLightDistributionStyle Set the light distribution style to the given shape distribution
Public method Code example SetLightShapeStyle Set the light shape style to the given shape style
Public method ToString Returns a string that represents the current object.
(Inherited from Object )
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Example
public void GetLightDataInFamilyDocument(Document familyDoc)
{
    // LightFamily API should work only in light fixture family document.
    if (familyDoc.OwnerFamily.FamilyCategory.BuiltInCategory == BuiltInCategory.OST_LightingFixtures)
        return;

    // Get the light family from the static method.
    LightFamily lightFamily = LightFamily.GetLightFamily(familyDoc);

    // Get the light source shape style and distribution style
    LightShapeStyle shapeStyle = lightFamily.GetLightShapeStyle();
    LightDistributionStyle distributionStyle = lightFamily.GetLightDistributionStyle();

    // Get the light photometric for each family type
    for (int index = 0; index < lightFamily.GetNumberOfLightTypes(); index++)
    {
        string typeName = lightFamily.GetLightTypeName(index);  // the type name
        LightType lightData = lightFamily.GetLightType(index);  // the light data for each type
        // How to get and set data in LightType object, please read help document for LightType class.
    }
}
See Also