Method set_clim

lib/matplotlib/colorizer.py:240–275

Set the norm limits for image scaling. Parameters ---------- vmin, vmax : float The limits. For scalar data, the limits may also be passed as a tuple (*vmin*, *vmax*) single positional argument. .. ACCEPTS: (vmin

(self, vmin=None, vmax=None)

        self._set_cmap(cmap)

    def set_clim(self, vmin=None, vmax=None):
        """
        Set the norm limits for image scaling.

        Parameters
        ----------
        vmin, vmax : float
             The limits.

             For scalar data, the limits may also be passed as a
             tuple (*vmin*, *vmax*) single positional argument.

             .. ACCEPTS: (vmin: float, vmax: float)
        """
        if self.norm.n_components == 1:
            if vmax is None:
                try:
                    vmin, vmax = vmin
                except (TypeError, ValueError):
                    pass

        orig_vmin_vmax = self.norm.vmin, self.norm.vmax

        # Blocked context manager prevents callbacks from being triggered
        # until both vmin and vmax are updated
        with self.norm.callbacks.blocked(signal='changed'):
            # Since the @vmin/vmax.setter invokes colors._sanitize_extrema()
            # to sanitize the input, the input is not sanitized here
            if vmin is not None:
                self.norm.vmin = vmin
            if vmax is not None:
                self.norm.vmax = vmax

        # emit a update signal if the limits are changed
        if orig_vmin_vmax != (self.norm.vmin, self.norm.vmax):
            self.norm.callbacks.process('changed')

    def get_clim(self):
        """