active

When true, the layer’s video is active at the current time.For this to be true, the layer must be enabled, no other layer may be soloing unless this layer i

replaceSource()

Replaces the source for this layer.newSource The new source AVItem object.fixExpressions True to adjust expressions for the new source, false otherwise. Not

index

The index position of the layer.Integer in the range [1..numLayers]; read-only.

environmentLayer

True if this is an environment layer in a Ray-traced 3D composition. Setting this attribute to true automatically makes the layer 3D threeDLayer becomes tru

applyPreset()

Applies the specified collection of animation settings an animation preset to the layer. Predefined animation preset files are installed in the Presets fold

quality

The quality with which this layer is displayed.A LayerQuality enumerated value; read/write. One of:LayerQuality.BESTLayerQuality.DRAFTLayerQuality.WIREFRAME

inPoint

The in point of the layer, expressed in composition time seconds .Floating-point value in the range [-10800.0..10800.0] minus or plus three hours ; read/wri

sourceRectAtTime()

Retrieves the rectangle bounds of the layer at the specified time index, corrected for text or shape layer content.Use, for example, to write text that is p