Python axes.Axes方法代码示例

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _check_legend_labels(self, axes, labels=None, visible=True):
        """
        Check each axes has expected legend labels

        Parameters
        ----------
        axes : matplotlib Axes object, or its list-like
        labels : list-like
            expected legend labels
        visible : bool
            expected legend visibility. labels are checked only when visible is
            True
        """

        if visible and (labels is None):
            raise ValueError('labels must be specified when visible is True')
        axes = self._flatten_visible(axes)
        for ax in axes:
            if visible:
                assert ax.get_legend() is not None
                self._check_text_labels(ax.get_legend().get_texts(), labels)
            else:
                assert ax.get_legend() is None 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _check_data(self, xp, rs):
        """
        Check each axes has identical lines

        Parameters
        ----------
        xp : matplotlib Axes object
        rs : matplotlib Axes object
        """
        xp_lines = xp.get_lines()
        rs_lines = rs.get_lines()

        def check_line(xpl, rsl):
            xpdata = xpl.get_xydata()
            rsdata = rsl.get_xydata()
            tm.assert_almost_equal(xpdata, rsdata)

        assert len(xp_lines) == len(rs_lines)
        [check_line(xpl, rsl) for xpl, rsl in zip(xp_lines, rs_lines)]
        tm.close() 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _check_ax_scales(self, axes, xaxis='linear', yaxis='linear'):
        """
        Check each axes has expected scales

        Parameters
        ----------
        axes : matplotlib Axes object, or its list-like
        xaxis : {'linear', 'log'}
            expected xaxis scale
        yaxis :  {'linear', 'log'}
            expected yaxis scale
        """
        axes = self._flatten_visible(axes)
        for ax in axes:
            assert ax.xaxis.get_scale() == xaxis
            assert ax.yaxis.get_scale() == yaxis 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _gci(self):
        """
        helper for :func:`~matplotlib.pyplot.gci`;
        do not use elsewhere.
        """
        # Look first for an image in the current Axes:
        cax = self._axstack.current_key_axes()[1]
        if cax is None:
            return None
        im = cax._gci()
        if im is not None:
            return im

        # If there is no image in the current Axes, search for
        # one in a previously created Axes.  Whether this makes
        # sense is debatable, but it is the documented behavior.
        for ax in reversed(self.axes):
            im = ax._gci()
            if im is not None:
                return im
        return None 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def new_gridlines(self, ax):
        """
        Create and return a new GridlineCollection instance.

        *which* : "major" or "minor"
        *axis* : "both", "x" or "y"

        """
        gridlines = GridlinesCollection(None, transform=ax.transData,
                                        colors=rcParams['grid.color'],
                                        linestyles=rcParams['grid.linestyle'],
                                        linewidths=rcParams['grid.linewidth'])
        ax._set_artist_props(gridlines)
        gridlines.set_grid_helper(self)

        ax.axes._set_artist_props(gridlines)
        # gridlines.set_clip_path(self.axes.patch)
        # set_clip_path need to be deferred after Axes.cla is completed.
        # It is done inside the cla.

        return gridlines 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _findoffset(self, width, height, xdescent, ydescent, renderer):
        "Helper function to locate the legend."

        if self._loc == 0:  # "best".
            x, y = self._find_best_position(width, height, renderer)
        elif self._loc in Legend.codes.values():  # Fixed location.
            bbox = Bbox.from_bounds(0, 0, width, height)
            x, y = self._get_anchored_bbox(self._loc, bbox,
                                           self.get_bbox_to_anchor(),
                                           renderer)
        else:  # Axes or figure coordinates.
            fx, fy = self._loc
            bbox = self.get_bbox_to_anchor()
            x, y = bbox.x0 + bbox.width * fx, bbox.y0 + bbox.height * fy

        return x + xdescent, y + ydescent 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def scatter_single(ax: Axes, Y: np.ndarray, *args, **kwargs):
    """Plot scatter plot of data.

    Parameters
    ----------
    ax
        Axis to plot on.
    Y
        Data array, data to be plotted needs to be in the first two columns.
    """
    if 's' not in kwargs:
        kwargs['s'] = 2 if Y.shape[0] > 500 else 10
    if 'edgecolors' not in kwargs:
        kwargs['edgecolors'] = 'face'
    ax.scatter(Y[:, 0], Y[:, 1], **kwargs, rasterized=settings._vector_friendly)
    ax.set_xticks([])
    ax.set_yticks([]) 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _plot_colorbar(self, color_legend_ax: Axes, normalize):
        """
        Plots a horizontal colorbar given the ax an normalize values

        Parameters
        ----------
        color_legend_ax
        normalize

        Returns
        -------
        None, updates color_legend_ax

        """
        cmap = pl.get_cmap(self.cmap)
        import matplotlib.colorbar

        matplotlib.colorbar.ColorbarBase(
            color_legend_ax, orientation='horizontal', cmap=cmap, norm=normalize
        )

        color_legend_ax.set_title(self.color_legend_title, fontsize='small')

        color_legend_ax.xaxis.set_tick_params(labelsize='small') 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def umap(adata, **kwargs) -> Union[Axes, List[Axes], None]:
    """\
    Scatter plot in UMAP basis.

    Parameters
    ----------
    {adata_color_etc}
    {edges_arrows}
    {scatter_bulk}
    {show_save_ax}

    Returns
    -------
    If `show==False` a :class:`~matplotlib.axes.Axes` or a list of it.
    """
    return embedding(adata, 'umap', **kwargs) 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def tsne(adata, **kwargs) -> Union[Axes, List[Axes], None]:
    """\
    Scatter plot in tSNE basis.

    Parameters
    ----------
    {adata_color_etc}
    {edges_arrows}
    {scatter_bulk}
    {show_save_ax}

    Returns
    -------
    If `show==False` a :class:`~matplotlib.axes.Axes` or a list of it.
    """
    return embedding(adata, 'tsne', **kwargs) 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def trimap(adata, **kwargs) -> Union[Axes, List[Axes], None]:
    """\
    Scatter plot in TriMap basis.

    Parameters
    ----------
    {adata_color_etc}
    {edges_arrows}
    {scatter_bulk}
    {show_save_ax}

    Returns
    -------
    If `show==False` a :class:`~matplotlib.axes.Axes` or a list of it.
    """
    return embedding(adata, 'trimap', **kwargs) 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def get(self, key):
        """
        Return the Axes instance that was added with *key*.
        If it is not present, return *None*.
        """
        item = dict(self._elements).get(key)
        if item is None:
            return None
        cbook.warn_deprecated(
            "2.1",
            "Adding an axes using the same arguments as a previous axes "
            "currently reuses the earlier instance.  In a future version, "
            "a new instance will always be created and returned.  Meanwhile, "
            "this warning can be suppressed, and the future behavior ensured, "
            "by passing a unique label to each axes instance.")
        return item[1] 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def test_plot(foo_extractor):
    rs = FeatureSet(
        features_names=["foo"],
        values={"foo": 1},
        timeserie=TIME_SERIE,
        extractors={"foo": foo_extractor},
    )

    assert isinstance(rs.plot("foo"), axes.Axes)


# =============================================================================
# SPACE
# ============================================================================= 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def test_Grid2D_plot():
    grid = Grid2D((-20, 20), (-40, 40), step=0.5)
    ax = grid.plot()
    npt.assert_equal(isinstance(ax, Axes), True) 

# 需要导入模块: from matplotlib import axes [as 别名]
# 或者: from matplotlib.axes import Axes [as 别名]
def _check_axes_shape(self, axes, axes_num=None, layout=None,
                          figsize=None):
        """
        Check expected number of axes is drawn in expected layout

        Parameters
        ----------
        axes : matplotlib Axes object, or its list-like
        axes_num : number
            expected number of axes. Unnecessary axes should be set to
            invisible.
        layout :  tuple
            expected layout, (expected number of rows , columns)
        figsize : tuple
            expected figsize. default is matplotlib default
        """
        if figsize is None:
            figsize = self.default_figsize
        visible_axes = self._flatten_visible(axes)

        if axes_num is not None:
            assert len(visible_axes) == axes_num
            for ax in visible_axes:
                # check something drawn on visible axes
                assert len(ax.get_children()) > 0

        if layout is not None:
            result = self._get_axes_layout(_flatten(axes))
            assert result == layout

        tm.assert_numpy_array_equal(
            visible_axes[0].figure.get_size_inches(),
            np.array(figsize, dtype=np.float64))