set operation

Syntax

• set(attribute, value)

Parameters

1. attribute—selector
   Name of shape attribute to set.
2. value—(bool, float, string, bool[], float[], string[] - same type as attribute)
   Value to assign to shape attribute.

   Note:

   Not all shape attributes are writable.

Description

The set operation assigns a value to a shape attribute of the current shape. There are two kinds of shape attributes: builtin attributes such as material.color or scope.tx and generic attributes, which are declared as rule attributes (see CGA attributes).

Related

• material attribute
• pivot attribute
• scope attribute
• seedian attribute
• trim attribute
• resetGeometry operation
• resetMaterial operation
• setMaterial operation

Examples

Builtin shape attributes

Enable horizontal trim planes	set(trim.horizontal, true)
Set x-translation of scope 0	set(scope.tx, 0)
Set the material color's red component to 0.5	set(material.color.r, 0.5)
Assign the built-in test texture to the colormap channel	set(material.colormap, "builtin:uvtest.png")

Generic shape attributes

Store floor index in a generic attribute, floorHeight. The attribute is then used to color the windows on every 3rd floor in pink. attr floorNumber = -1 const floorHeight = 4 Init --> extrude(30) comp(f) { side : Side } Side --> split(y) { ~floorHeight : Floor }* Floor --> set(floorNumber, split.index) split(x) { ~1 : Wall | {~3 : Tile }* | ~1 : Wall } Tile --> split(x) { 0.5 : Wall | ~1 : MidTile | 0.5 : Wall } MidTile --> split(y) { 0.5 : Wall | ~1 : Window | 0.5 : Wall } Window --> case floorNumber % 3 == 0 : color(1.0, 0.0, 1.0) X. else : X.