def dtype_bit_depth(dtype_str):
	"""Get pixel bit depth from raster data type"""
	bit_depth_switcher = {
		"Byte" : 8,
		"UInt16" : 16,
		"Int16" : 16,
		"UInt32" : 32,
		"Int32" : 32,
		"Float32" : 32,
		"Float64" : 64,
		"CInt16" : 16,
		"CInt32" : 32,
		"CFloat32" : 32,
		"CFloat64" : 64
	}
	bit_depth = bit_depth_switcher.get(dtype_str, 0)
	return bit_depth