componentsPerAttribute

A number between 1 and 4 that defines the number of components in an attributes. For example, a position attribute with x, y, and z components would have 3 as shown in the code example.

show : new GeometryInstanceAttribute({
componentDatatype : ComponentDatatype.UNSIGNED_BYTE,
componentsPerAttribute : 1,
normalize : true,
value : [1.0]
})

See also