def _set_default_format(self, vmin, vmax):
if self.plot_obj.date_axis_info is None:<EOL><INDENT>self.plot_obj.date_axis_info = self.finder(vmin, vmax, self.freq)<EOL><DEDENT>info = self.plot_obj.date_axis_info<EOL>if self.isminor:<EOL><INDENT>format = np.compress(info['<STR_LIT>'] & np.logical_not(info['<STR_LIT>']),<EOL>info)<EOL><DEDENT>else:<EOL><INDENT>format = np.compress(info['<STR_LIT>'], info)<EOL><DEDENT>self.formatdict = {x: f for (x, _, _, f) in format}<EOL>return self.formatdict<EOL>
Returns the default ticks spacing.