init(horizontal:vertical:)
Initializes a layer rate map with a set of horizontal and vertical rasterization rates.
Declaration
convenience init(horizontal: [Float], vertical: [Float])Parameters
- horizontal:
An array of the horizontal rates to apply across the grid.
- vertical:
An array of the vertical rates to apply across the grid.
Return Value
A layer descriptor whose width is the number of horizontal rates and whose height is the number of vertical rates. The layer descriptor copies the values from the input parameters.