def swap_channels(self, channel_swap):
        """ Swaps the two channels specified in the tuple.

        Parameters
        ----------
        channel_swap : :obj:`tuple` of int
            the two channels to swap

        Returns
        -------
        :obj:`ColorImage`
            color image with cols swapped
        """
        if len(channel_swap) != 2:
            raise ValueError('Illegal value for channel swap')
        ci = channel_swap[0]
        cj = channel_swap[1]
        if ci < 0 or ci > 2 or cj < 0 or cj > 2:
            raise ValueError('Channels must be between 0 and 1')
        new_data = self.data.copy()
        new_data[:, :, ci] = self.data[:, :, cj]
        new_data[:, :, cj] = self.data[:, :, ci]
        return ColorImage(new_data, frame=self._frame)
def swap_channels ( self , channel_swap ) : if len ( channel_swap ) != 2 : raise ValueError ( 'Illegal value for channel swap' ) ci = channel_swap [ 0 ] cj = channel_swap [ 1 ] if ci < 0 or ci > 2 or cj < 0 or cj > 2 : raise ValueError ( 'Channels must be between 0 and 1' ) new_data = self . data . copy ( ) new_data [ : , : , ci ] = self . data [ : , : , cj ] new_data [ : , : , cj ] = self . data [ : , : , ci ] return ColorImage ( new_data , frame = self . _frame )
Swaps the two channels specified in the tuple.

        Parameters
        ----------
        channel_swap : :obj:`tuple` of int
            the two channels to swap

        Returns
        -------
        :obj:`ColorImage`
            color image with cols swapped