Method: Vips::Image#rank

Defined in:

lib/vips8/methods.rb

#rank(width, height, index, opts = {}) ⇒ Vips::Image

Rank filter.

Parameters:

• width (Integer) —

  Window width in pixels

• height (Integer) —

  Window height in pixels

• index (Integer) —

  Select pixel at index

• opts (Hash) (defaults to: {}) —

  Set of options

Returns:

• (Vips::Image) —

  Output image

# File 'lib/vips8/methods.rb', line 1637