Method: Vips::Image#extract_band

Defined in:

lib/vips8/methods.rb

#extract_band(band, opts = {}) ⇒ Vips::Image

Extract band from an image.

Parameters:

• band (Integer) —

  Band to extract

• opts (Hash) (defaults to: {}) —

  Set of options

Options Hash (opts):

• :n (Integer) —

  Number of bands to extract

Returns:

• (Vips::Image) —

  Output image

# File 'lib/vips8/methods.rb', line 377