Useful for load/save/copying.
Optional
createUse for the creation transaction description.
Optional
defaultAllow for the default lock aspect ratio to be overwritten.
Optional
fromReturns an IResource from the resourceId or null if not found.
Optional
jsonJSON state to load.
Optional
transactionsA transaction store that can be used to undo/redo changes to the model.
Optional
typeThe type of the model.
Options for creating an IPicture.