Method set_alpha

lib/matplotlib/collections.py:1821–1825

(self, alpha)

        return 'none'

    def set_alpha(self, alpha):
        # docstring inherited
        super().set_alpha(alpha)
        if self._gapcolor is not None:
            self.set_gapcolor(self._original_gapcolor)

    def set_color(self, c):
        """