Python matplotlib.ticker.FixedLocator() Examples

def set_default_locators_and_formatters(self, axis):
        """
        Override to set up the locators and formatters to use with the
        scale.  This is only required if the scale requires custom
        locators and formatters.  Writing custom locators and
        formatters is rather outside the scope of this example, but
        there are many helpful examples in ``ticker.py``.

        In our case, the Mercator example uses a fixed locator from
        -90 to 90 degrees and a custom formatter class to put convert
        the radians to degrees and put a degree symbol after the
        value::
        """
        class DegreeFormatter(Formatter):
            def __call__(self, x, pos=None):
                return "%d\N{DEGREE SIGN}" % np.degrees(x)

        axis.set_major_locator(FixedLocator(
            np.radians(np.arange(-90, 90, 10))))
        axis.set_major_formatter(DegreeFormatter())
        axis.set_minor_formatter(DegreeFormatter()) 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        # XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def set_ticks(self, ticks, update_ticks=True):
        """
        Set tick locations.

        Parameters
        ----------
        ticks : {None, sequence, :class:`~matplotlib.ticker.Locator` instance}
            If None, a default Locator will be used.

        update_ticks : {True, False}, optional
            If True, tick locations are updated immediately.  If False,
            use :meth:`update_ticks` to manually update the ticks.

        """
        if np.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks()
        self.stale = True 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        # XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        Parameters
        ----------
        ticks : sequence of floats
        minor : bool
        """
        # XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def __init__(self, ax, mappable, **kw):
        # Ensure mappable.norm.vmin, vmax are set when colorbar is called, even
        # if mappable.draw has not yet been called. This will not change vmin,
        # vmax if they are already set.
        mappable.autoscale_None()

        self.mappable = mappable
        kw['cmap'] = mappable.cmap
        kw['norm'] = mappable.norm
        kw['alpha'] = mappable.get_alpha()
        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            ColorbarBase.__init__(self, ax, **kw) 

def __init__(self, ax, mappable, **kw):
        mappable.autoscale_None() # Ensure mappable.norm.vmin, vmax
                             # are set when colorbar is called,
                             # even if mappable.draw has not yet
                             # been called.  This will not change
                             # vmin, vmax if they are already set.
        self.mappable = mappable
        kw['cmap'] = mappable.cmap
        kw['norm'] = mappable.norm
        kw['alpha'] = mappable.get_alpha()
        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            ColorbarBase.__init__(self, ax, **kw) 

def _select_locator(self, formatter):
        '''
        select a suitable locator
        '''
        if self.boundaries is None:
            if isinstance(self.norm, colors.NoNorm):
                nv = len(self._values)
                base = 1 + int(nv/10)
                locator = ticker.IndexLocator(base=base, offset=0)
            elif isinstance(self.norm, colors.BoundaryNorm):
                b = self.norm.boundaries
                locator = ticker.FixedLocator(b, nbins=10)
            elif isinstance(self.norm, colors.LogNorm):
                locator = ticker.LogLocator()
            else:
                locator = ticker.MaxNLocator(nbins=5)
        else:
            b = self._boundaries[self._inside]
            locator = ticker.FixedLocator(b) #, nbins=10)

        self.cbar_axis.set_major_locator(locator) 

def __init__(self, ax, mappable, **kw):
        mappable.autoscale_None() # Ensure mappable.norm.vmin, vmax
                             # are set when colorbar is called,
                             # even if mappable.draw has not yet
                             # been called.  This will not change
                             # vmin, vmax if they are already set.
        self.mappable = mappable
        kw['cmap'] = mappable.cmap
        kw['norm'] = mappable.norm
        kw['alpha'] = mappable.get_alpha()
        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            ColorbarBase.__init__(self, ax, **kw) 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        ### XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def set_ticks(self, ticks, update_ticks=True):
        """
        Set tick locations.

        Parameters
        ----------
        ticks : {None, sequence, :class:`~matplotlib.ticker.Locator` instance}
            If None, a default Locator will be used.

        update_ticks : {True, False}, optional
            If True, tick locations are updated immediately.  If False,
            use :meth:`update_ticks` to manually update the ticks.

        """
        if cbook.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks()
        self.stale = True 

def set_ticks(self, ticks, update_ticks=True):
        """
        Set tick locations.

        Parameters
        ----------
        ticks : {None, sequence, :class:`~matplotlib.ticker.Locator` instance}
            If None, a default Locator will be used.

        update_ticks : {True, False}, optional
            If True, tick locations are updated immediately.  If False,
            use :meth:`update_ticks` to manually update the ticks.

        """
        if np.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks()
        self.stale = True 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        Parameters
        ----------
        ticks : sequence of floats
        minor : bool
        """
        # XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def __init__(self, ax, mappable, **kw):
        mappable.autoscale_None() # Ensure mappable.norm.vmin, vmax
                             # are set when colorbar is called,
                             # even if mappable.draw has not yet
                             # been called.  This will not change
                             # vmin, vmax if they are already set.
        self.mappable = mappable
        kw['cmap'] = mappable.cmap
        kw['norm'] = mappable.norm
        kw['alpha'] = mappable.get_alpha()
        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            ColorbarBase.__init__(self, ax, **kw) 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        ### XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def set_ticks(self, ticks, update_ticks=True):
        """
        Set tick locations.

        Parameters
        ----------
        ticks : {None, sequence, :class:`~matplotlib.ticker.Locator` instance}
            If None, a default Locator will be used.

        update_ticks : {True, False}, optional
            If True, tick locations are updated immediately.  If False,
            use :meth:`update_ticks` to manually update the ticks.

        """
        if cbook.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks()
        self.stale = True 

def __init__(self, ax, mappable, **kw):
        mappable.autoscale_None() # Ensure mappable.norm.vmin, vmax
                             # are set when colorbar is called,
                             # even if mappable.draw has not yet
                             # been called.  This will not change
                             # vmin, vmax if they are already set.
        self.mappable = mappable
        kw['cmap'] = mappable.cmap
        kw['norm'] = mappable.norm
        kw['alpha'] = mappable.get_alpha()
        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            ColorbarBase.__init__(self, ax, **kw) 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        # XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def set_ticks(self, ticks, update_ticks=True):
        """
        Set tick locations.

        Parameters
        ----------
        ticks : {None, sequence, :class:`~matplotlib.ticker.Locator` instance}
            If None, a default Locator will be used.

        update_ticks : {True, False}, optional
            If True, tick locations are updated immediately.  If False,
            use :meth:`update_ticks` to manually update the ticks.

        """
        if cbook.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks()
        self.stale = True 

def _get_ticker_locator_formatter(self):
        """
        This code looks at the norm being used by the colorbar
        and decides what locator and formatter to use.  If ``locator`` has
        already been set by hand, it just returns
        ``self.locator, self.formatter``.
        """
        locator = self.locator
        formatter = self.formatter
        if locator is None:
            if self.boundaries is None:
                if isinstance(self.norm, colors.NoNorm):
                    nv = len(self._values)
                    base = 1 + int(nv / 10)
                    locator = ticker.IndexLocator(base=base, offset=0)
                elif isinstance(self.norm, colors.BoundaryNorm):
                    b = self.norm.boundaries
                    locator = ticker.FixedLocator(b, nbins=10)
                elif isinstance(self.norm, colors.LogNorm):
                    locator = _ColorbarLogLocator(self)
                elif isinstance(self.norm, colors.SymLogNorm):
                    # The subs setting here should be replaced
                    # by logic in the locator.
                    locator = ticker.SymmetricalLogLocator(
                                      subs=np.arange(1, 10),
                                      linthresh=self.norm.linthresh,
                                      base=10)
                else:
                    if mpl.rcParams['_internal.classic_mode']:
                        locator = ticker.MaxNLocator()
                    else:
                        locator = _ColorbarAutoLocator(self)
            else:
                b = self._boundaries[self._inside]
                locator = ticker.FixedLocator(b, nbins=10)
        _log.debug('locator: %r', locator)
        return locator, formatter 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        ### XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def set_ticks(self, ticks, minor=False):
        """
        Set the locations of the tick marks from sequence ticks

        ACCEPTS: sequence of floats
        """
        ### XXX if the user changes units, the information will be lost here
        ticks = self.convert_units(ticks)
        if len(ticks) > 1:
            xleft, xright = self.get_view_interval()
            if xright > xleft:
                self.set_view_interval(min(ticks), max(ticks))
            else:
                self.set_view_interval(max(ticks), min(ticks))
        if minor:
            self.set_minor_locator(mticker.FixedLocator(ticks))
            return self.get_minor_ticks(len(ticks))
        else:
            self.set_major_locator(mticker.FixedLocator(ticks))
            return self.get_major_ticks(len(ticks)) 

def __init__(self, ax, mappable, **kw):
        mappable.autoscale_None() # Ensure mappable.norm.vmin, vmax
                             # are set when colorbar is called,
                             # even if mappable.draw has not yet
                             # been called.  This will not change
                             # vmin, vmax if they are already set.
        self.mappable = mappable
        kw['cmap'] = mappable.cmap
        kw['norm'] = mappable.norm
        kw['alpha'] = mappable.get_alpha()
        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            ColorbarBase.__init__(self, ax, **kw) 

def _select_locator(self, formatter):
        '''
        select a suitable locator
        '''
        if self.boundaries is None:
            if isinstance(self.norm, colors.NoNorm):
                nv = len(self._values)
                base = 1 + int(nv/10)
                locator = ticker.IndexLocator(base=base, offset=0)
            elif isinstance(self.norm, colors.BoundaryNorm):
                b = self.norm.boundaries
                locator = ticker.FixedLocator(b, nbins=10)
            elif isinstance(self.norm, colors.LogNorm):
                locator = ticker.LogLocator()
            else:
                locator = ticker.MaxNLocator(nbins=5)
        else:
            b = self._boundaries[self._inside]
            locator = ticker.FixedLocator(b) #, nbins=10)

        self.cbar_axis.set_major_locator(locator) 

def set_ticks(self, ticks, update_ticks=True):
        """
        Set tick locations.

        Parameters
        ----------
        ticks : {None, sequence, :class:`~matplotlib.ticker.Locator` instance}
            If None, a default Locator will be used.

        update_ticks : {True, False}, optional
            If True, tick locations are updated immediately.  If False,
            use :meth:`update_ticks` to manually update the ticks.

        """
        if cbook.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks()
        self.stale = True 

def set_ticks(self, ticks, update_ticks=True):
        """
        set tick locations. Tick locations are updated immediately unless
        update_ticks is *False*. To manually update the ticks, call
        *update_ticks* method explicitly.
        """
        if cbook.iterable(ticks):
            self.locator = ticker.FixedLocator(ticks, nbins=len(ticks))
        else:
            self.locator = ticks

        if update_ticks:
            self.update_ticks() 

def __init__(self, ax, mappable, **kw):
        # Ensure the given mappable's norm has appropriate vmin and vmax set
        # even if mappable.draw has not yet been called.
        mappable.autoscale_None()

        self.mappable = mappable
        kw['cmap'] = cmap = mappable.cmap
        kw['norm'] = norm = mappable.norm

        if isinstance(mappable, contour.ContourSet):
            CS = mappable
            kw['alpha'] = mappable.get_alpha()
            kw['boundaries'] = CS._levels
            kw['values'] = CS.cvalues
            kw['extend'] = CS.extend
            #kw['ticks'] = CS._levels
            kw.setdefault('ticks', ticker.FixedLocator(CS.levels, nbins=10))
            kw['filled'] = CS.filled
            ColorbarBase.__init__(self, ax, **kw)
            if not CS.filled:
                self.add_lines(CS)
        else:
            if getattr(cmap, 'colorbar_extend', False) is not False:
                kw.setdefault('extend', cmap.colorbar_extend)

            if isinstance(mappable, martist.Artist):
                kw['alpha'] = mappable.get_alpha()

            ColorbarBase.__init__(self, ax, **kw) 

def plot_section_by_name(self, section_name, show_data=True, show_faults=True, show_topo=True,
                             show_all_data=False, contourplot=True, radius='default', **kwargs):

        if self.model.solutions.sections is None:
            raise AttributeError('no sections for plotting defined')
        if section_name not in self.model._grid.sections.names:
            raise AttributeError(f'Section "{section_name}" is not defined. '
                                 f'Available sections for plotting: {self.model._grid.sections.names}')

        j = np.where(self.model._grid.sections.names == section_name)[0][0]
        l0, l1 = self.model._grid.sections.get_section_args(section_name)
        shape = self.model._grid.sections.resolution[j]

        image = self.model.solutions.sections[0][0][l0:l1].reshape(shape[0], shape[1]).T
        extent = [0, self.model._grid.sections.dist[j][0],
                  self.model._grid.regular_grid.extent[4], self.model._grid.regular_grid.extent[5]]

        if show_data:
            self.plot_section_data(section_name=section_name, show_all_data=show_all_data, radius=radius)

        axes = plt.gca()
        axes.imshow(image, origin='lower', zorder=-100,
                    cmap=self._cmap, norm=self._norm, extent=extent)
        if show_faults and not contourplot:
            self.extract_section_lines(section_name, axes, faults_only=True)
        else:
            self.extract_section_lines(section_name, axes, faults_only=False)
        if show_topo:
            if self.model._grid.topography is not None:
                alpha = kwargs.get('alpha', 1)
                xy = self.make_topography_overlay_4_sections(j)
                axes.fill(xy[:, 0], xy[:, 1], 'k', zorder=10, alpha=alpha)

        labels, axname = self._make_section_xylabels(section_name, len(axes.get_xticklabels()) - 1)
        pos_list = np.linspace(0, self.model._grid.sections.dist[j], len(labels))
        axes.xaxis.set_major_locator(FixedLocator(nbins=len(labels), locs=pos_list))
        axes.xaxis.set_major_formatter(FixedFormatter((labels)))
        axes.set(title=self.model._grid.sections.names[j], xlabel=axname, ylabel='Z') 

def plot_section_scalarfield(self, section_name, sn, levels=50, show_faults=True, show_topo=True, lithback=True):
        if self.model.solutions.sections is None:
            raise AttributeError('no sections for plotting defined')
        if self.model._grid.topography is None:
            show_topo = False
        shapes = self.model._grid.sections.resolution
        fig = plt.figure(figsize=(16, 10))
        axes = fig.add_subplot(1, 1, 1)
        j = np.where(self.model._grid.sections.names == section_name)[0][0]
        l0, l1 = self.model._grid.sections.get_section_args(section_name)
        if show_faults:
            self.extract_section_fault_lines(section_name, zorder=9)

        if show_topo:
            xy = self.make_topography_overlay_4_sections(j)
            axes.fill(xy[:, 0], xy[:, 1], 'k', zorder=10)

        axes.contour(self.model.solutions.sections[1][sn][l0:l1].reshape(shapes[j][0], shapes[j][1]).T,
                     # origin='lower',
                     levels=levels, cmap='autumn', extent=[0, self.model._grid.sections.dist[j],
                                                           self.model._grid.regular_grid.extent[4],
                                                           self.model._grid.regular_grid.extent[5]], zorder=8)
        axes.set_aspect('equal')
        if lithback:
            axes.imshow(self.model.solutions.sections[0][0][l0:l1].reshape(shapes[j][0], shapes[j][1]).T,
                        origin='lower',
                        cmap=self._cmap, norm=self._norm, extent=[0, self.model._grid.sections.dist[j],
                                                                  self.model._grid.regular_grid.extent[4],
                                                                  self.model._grid.regular_grid.extent[5]])

        labels, axname = self._make_section_xylabels(section_name, len(axes.get_xticklabels()))
        pos_list = np.linspace(0, self.model._grid.sections.dist[j], len(labels))
        axes.xaxis.set_major_locator(FixedLocator(nbins=len(labels), locs=pos_list))
        axes.xaxis.set_major_formatter(FixedFormatter((labels)))
        axes.set(title=self.model._grid.sections.names[j], xlabel=axname, ylabel='Z') 

def test_set_params(self):
        """
        Create fixed locator with 5 nbins, and change it to something else.
        See if change was successful.
        Should not exception.
        """
        fixed = mticker.FixedLocator(range(0, 24), nbins=5)
        fixed.set_params(nbins=7)
        assert fixed.nbins == 7