expand
Expands the envelope by the given scale factor. A factor of less than 1.0 shrinks the envelope and greater than 1.0 expands it. The envelope's center remains unchanged, but its corners change.
Since
200.1.0
Expands the envelope at the anchor point by the given factor. A factor of less than 1.0 shrinks the envelope and greater than 1.0 expands it.
Since
200.1.0