func init
	// adds using namespace
	sys.add_use('ColorMine.ColorSpaces')

	// adds assembly
	sys.add_assembly('ColorMine', 'ColorMine.dll')

	// initialize instance
	sys.add_object(this.codename, 'Lab')
	if(not (isdef("L") and isdef("A") and isdef("B")))
		blk_init.println(this.codename, ' = new Lab { L = ', this.props("L").value, 'f, A = ', this.props("A").value, 'f, B = ', this.props("B").value, 'f } ;')
	end

	// make methods for the fields
	sys._prop_init('L', 1, 1, 7)
	sys._prop_init('A', 1, 1, 7)
	sys._prop_init('B', 1, 1, 7)

	// makes implementation of methods as properties
	sys._mtd_as_prop_init('Lab')
end

func doFromSample(data)
	dt = d("Sample")
	blk.println(this.codename, ' = new Lab { L = ', dt, '[0], A = ', dt, '[1], B = ', dt, '[2] } ;')
end