Rules

Use Rule scripts in the Modeler to generate a custom interface with user controls that combine or restrain a targeted set of properties to simplify and speed up your modeling process.

Topic	Description
Introduction to Rules	Learn about the main purposes, features, and principles of SpeedTree Rules.
Anatomy of a Rule	Learn about the base requirements to structure a Rule script.
Create a simple slider Rule	Compose a simple Rule: a slider that controls the trunk height of an existing tree model.
Create a Rule to combine properties	Compose a Rule to manipulate two properties of your model at the same time: a slider that combines the trunk height and radius of an existing tree model.
Rules window reference	Learn about the Rules window, where you compose the Rules and manipulate your model.
SpeedTree functions usable in Rules	Learn about the main SpeedTree functions you can call from a Rules script.
Rules videos and samples	Learn more about Rules with official SpeedTree videos and start using Rules now with dedicated SpeedTree sample models.