Method: Vips::Image#measure

Defined in:

lib/vips8/methods.rb

#measure(h, v, opts = {}) ⇒ Vips::Image

Measure a set of patches on a colour chart.

Parameters:

• h (Integer) —

  Number of patches across chart

• v (Integer) —

  Number of patches down chart

• opts (Hash) (defaults to: {}) —

  Set of options

Options Hash (opts):

• :left (Integer) —

  Left edge of extract area

• :top (Integer) —

  Top edge of extract area

• :width (Integer) —

  Width of extract area

• :height (Integer) —

  Height of extract area

Returns:

• (Vips::Image) —

  Output array of statistics

# File 'lib/vips8/methods.rb', line 239