Python matplotlib.artist方法代码示例

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def add_artist(self, a):
        """Add any :class:`~matplotlib.artist.Artist` to the axes.

        Use `add_artist` only for artists for which there is no dedicated
        "add" method; and if necessary, use a method such as
        `update_datalim` or `update_datalim_numerix` to manually update the
        dataLim if the artist is to be included in autoscaling.

        Returns the artist.
        """
        a.set_axes(self)
        self.artists.append(a)
        self._set_artist_props(a)
        a.set_clip_path(self.patch)
        a._remove_method = lambda h: self.artists.remove(h)
        return a 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def add_artist(self, a):
        """Add any :class:`~matplotlib.artist.Artist` to the axes.

        Use `add_artist` only for artists for which there is no dedicated
        "add" method; and if necessary, use a method such as `update_datalim`
        to manually update the dataLim if the artist is to be included in
        autoscaling.

        If no ``transform`` has been specified when creating the artist (e.g.
        ``artist.get_transform() == None``) then the transform is set to
        ``ax.transData``.

        Returns the artist.
        """
        a.axes = self
        self.artists.append(a)
        a._remove_method = self.artists.remove
        self._set_artist_props(a)
        a.set_clip_path(self.patch)
        self.stale = True
        return a 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def gci():
    """
    Get the current colorable artist.  Specifically, returns the
    current :class:`~matplotlib.cm.ScalarMappable` instance (image or
    patch collection), or *None* if no images or patch collections
    have been defined.  The commands :func:`~matplotlib.pyplot.imshow`
    and :func:`~matplotlib.pyplot.figimage` create
    :class:`~matplotlib.image.Image` instances, and the commands
    :func:`~matplotlib.pyplot.pcolor` and
    :func:`~matplotlib.pyplot.scatter` create
    :class:`~matplotlib.collections.Collection` instances.  The
    current image is an attribute of the current axes, or the nearest
    earlier axes in the current figure that contains an image.
    """
    return gcf()._gci()


## Any Artist ##


# (getp is simply imported) 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def get_default_bbox_extra_artists(self):
        """
        Return a default list of artists that are used for the bounding box
        calculation.

        Artists are excluded either by not being visible or
        ``artist.set_in_layout(False)``.
        """

        artists = self.get_children()
        if not (self.axison and self._frameon):
            # don't do bbox on spines if frame not on.
            for spine in self.spines.values():
                artists.remove(spine)

        if not self.axison:
            for _axis in self._get_axis_list():
                artists.remove(_axis)

        return [artist for artist in artists
                if (artist.get_visible() and artist.get_in_layout())] 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def set_alpha(self, alpha):
        """
        Set the alpha tranparencies of the collection.  *alpha* must be
        a float or *None*.

        ACCEPTS: float or None
        """
        if alpha is not None:
            try:
                float(alpha)
            except TypeError:
                raise TypeError('alpha must be a float or None')
        artist.Artist.set_alpha(self, alpha)
        try:
            self._facecolors = mcolors.colorConverter.to_rgba_array(
                self._facecolors3d, self._alpha)
        except (AttributeError, TypeError, IndexError):
            pass
        try:
            self._edgecolors = mcolors.colorConverter.to_rgba_array(
                    self._edgecolors3d, self._alpha)
        except (AttributeError, TypeError, IndexError):
            pass 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def add_artist(self, a):
        """Add any :class:`~matplotlib.artist.Artist` to the axes.

        Use `add_artist` only for artists for which there is no dedicated
        "add" method; and if necessary, use a method such as `update_datalim`
        to manually update the dataLim if the artist is to be included in
        autoscaling.

        Returns the artist.
        """
        a.axes = self
        self.artists.append(a)
        self._set_artist_props(a)
        a.set_clip_path(self.patch)
        a._remove_method = lambda h: self.artists.remove(h)
        self.stale = True
        return a 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def print_figure(self, filename, *args, **kwargs):
        # Use pure Agg renderer to draw
        FigureCanvasBase.print_figure(self, filename, *args, **kwargs)
        # Restore the current view; this is needed because the
        # artist contains methods rely on particular attributes
        # of the rendered figure for determining things like
        # bounding boxes.
        if self._isDrawn:
            self.draw() 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def gci():
    """
    Get the current colorable artist.  Specifically, returns the
    current :class:`~matplotlib.cm.ScalarMappable` instance (image or
    patch collection), or *None* if no images or patch collections
    have been defined.  The commands :func:`~matplotlib.pyplot.imshow`
    and :func:`~matplotlib.pyplot.figimage` create
    :class:`~matplotlib.image.Image` instances, and the commands
    :func:`~matplotlib.pyplot.pcolor` and
    :func:`~matplotlib.pyplot.scatter` create
    :class:`~matplotlib.collections.Collection` instances.  The
    current image is an attribute of the current axes, or the nearest
    earlier axes in the current figure that contains an image.
    """
    return gcf()._gci() 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def __setstate__(self, state):
        self.__dict__ = state
        # put the _remove_method back on all artists contained within the axes
        for container_name in ['lines', 'collections', 'tables', 'patches',
                               'texts', 'images']:
            container = getattr(self, container_name)
            for artist in container:
                artist._remove_method = container.remove 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def autoscale(self, enable=True, axis='both', tight=None):
        """
        Autoscale the axis view to the data (toggle).

        Convenience method for simple axis view autoscaling.
        It turns autoscaling on or off, and then,
        if autoscaling for either axis is on, it performs
        the autoscaling on the specified axis or axes.

        *enable*: [True | False | None]
            True (default) turns autoscaling on, False turns it off.
            None leaves the autoscaling state unchanged.

        *axis*: ['x' | 'y' | 'both']
            which axis to operate on; default is 'both'

        *tight*: [True | False | None]
            If True, set view limits to data limits;
            if False, let the locator and margins expand the view limits;
            if None, use tight scaling if the only artist is an image,
            otherwise treat *tight* as False.
            The *tight* setting is retained for future autoscaling
            until it is explicitly changed.


        Returns None.
        """
        if enable is None:
            scalex = True
            scaley = True
        else:
            scalex = False
            scaley = False
            if axis in ['x', 'both']:
                self._autoscaleXon = bool(enable)
                scalex = self._autoscaleXon
            if axis in ['y', 'both']:
                self._autoscaleYon = bool(enable)
                scaley = self._autoscaleYon
        self.autoscale_view(tight=tight, scalex=scalex, scaley=scaley) 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def get_default_bbox_extra_artists(self):
        return [artist for artist in self.get_children()
                if artist.get_visible()] 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def pick(self, *args):
        """Trigger pick event

        Call signature::

            pick(mouseevent)

        each child artist will fire a pick event if mouseevent is over
        the artist and the artist has picker set
        """
        martist.Artist.pick(self, args[0]) 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def get_default_bbox_extra_artists(self):
        """
        Return a default list of artists that are used for the bounding box
        calculation.

        Artists are excluded either by not being visible or
        ``artist.set_in_layout(False)``.
        """
        return [artist for artist in self.get_children()
                if (artist.get_visible() and artist.get_in_layout())] 

# 需要导入模块: import matplotlib [as 别名]
# 或者: from matplotlib import artist [as 别名]
def gci():
    """
    Get the current colorable artist.  Specifically, returns the
    current :class:`~matplotlib.cm.ScalarMappable` instance (image or
    patch collection), or *None* if no images or patch collections
    have been defined.  The commands :func:`~matplotlib.pyplot.imshow`
    and :func:`~matplotlib.pyplot.figimage` create
    :class:`~matplotlib.image.Image` instances, and the commands
    :func:`~matplotlib.pyplot.pcolor` and
    :func:`~matplotlib.pyplot.scatter` create
    :class:`~matplotlib.collections.Collection` instances.  The
    current image is an attribute of the current axes, or the nearest
    earlier axes in the current figure that contains an image.

    Notes
    -----
    Historically, the only colorable artists were images; hence the name
    ``gci`` (get current image).
    """
    return gcf()._gci()


## Any Artist ##


# (getp is simply imported)