Utility conversion function that transforms data from the
        analysis color space to the display space (currently hard-set
        to RGB) for visualization.

def analysis2display(self,a):
        """
        Utility conversion function that transforms data from the
        analysis color space to the display space (currently hard-set
        to RGB) for visualization.
        """
        a = self.swap_polar_HSVorder[self.analysis_space](a)
        return self.colorspace.convert(self.analysis_space.lower(), 'gammargb', a)