Python patches.FancyArrowPatch方法代码示例

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def update_bbox_position_size(self, renderer):
        """
        Update the location and the size of the bbox. This method
        should be used when the position and size of the bbox needs to
        be updated before actually drawing the bbox.
        """

        # For arrow_patch, use textbox as patchA by default.

        if not isinstance(self.arrow_patch, FancyArrowPatch):
            return

        if self._bbox_patch:
            posx, posy = self._x, self._y

            x_box, y_box, w_box, h_box = _get_textbox(self, renderer)
            self._bbox_patch.set_bounds(0., 0., w_box, h_box)
            theta = np.deg2rad(self.get_rotation())
            tr = mtransforms.Affine2D().rotate(theta)
            tr = tr.translate(posx + x_box, posy + y_box)
            self._bbox_patch.set_transform(tr)
            fontsize_in_pixel = renderer.points_to_pixels(self.get_size())
            self._bbox_patch.set_mutation_scale(fontsize_in_pixel) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def __prepare_fancyarrow_dpi_cor_test():
    """
    Convenience function that prepares and returns a FancyArrowPatch. It aims
    at being used to test that the size of the arrow head does not depend on
    the DPI value of the exported picture.

    NB: this function *is not* a test in itself!
    """
    fig2 = plt.figure("fancyarrow_dpi_cor_test", figsize=(4, 3), dpi=50)
    ax = fig2.add_subplot(111)
    ax.set_xlim([0, 1])
    ax.set_ylim([0, 1])
    ax.add_patch(mpatches.FancyArrowPatch(posA=(0.3, 0.4), posB=(0.8, 0.6),
                                          lw=3, arrowstyle='->',
                                          mutation_scale=100))
    return fig2 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def test_fancyarrow_dash():
    from matplotlib.patches import FancyArrowPatch
    fig, ax = plt.subplots()

    e = FancyArrowPatch((0, 0), (0.5, 0.5),
                        arrowstyle='-|>',
                        connectionstyle='angle3,angleA=0,angleB=90',
                        mutation_scale=10.0,
                        linewidth=2,
                        linestyle='dashed',
                        color='k')

    e2 = FancyArrowPatch((0, 0), (0.5, 0.5),
                         arrowstyle='-|>',
                         connectionstyle='angle3',
                         mutation_scale=10.0,
                         linewidth=2,
                         linestyle='dotted',
                         color='k')
    ax.add_patch(e)
    ax.add_patch(e2) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def create_edge_patch(
    posA,
    posB,
    width=1,
    node_rad=0,
    connectionstyle="arc3, rad=0.25",
    facecolor="k",
    **kwargs
):
    import matplotlib.patches as pat

    style = "simple,head_length=%d,head_width=%d,tail_width=%d" % (10, 10, 3 * width)
    return pat.FancyArrowPatch(
        posA=posA,
        posB=posB,
        arrowstyle=style,
        connectionstyle=connectionstyle,
        facecolor=facecolor,
        shrinkA=node_rad,
        shrinkB=node_rad,
        **kwargs
    ) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def __prepare_fancyarrow_dpi_cor_test():
    """
    Convenience function that prepares and returns a FancyArrowPatch. It aims
    at being used to test that the size of the arrow head does not depend on
    the DPI value of the exported picture.

    NB: this function *is not* a test in itself!
    """
    fig2 = plt.figure("fancyarrow_dpi_cor_test", figsize=(4, 3), dpi=50)
    ax = fig2.add_subplot(111)
    ax.set_xlim([0, 1])
    ax.set_ylim([0, 1])
    ax.add_patch(mpatches.FancyArrowPatch(posA=(0.3, 0.4), posB=(0.8, 0.6),
                                          lw=3, arrowstyle=u'->',
                                          mutation_scale=100))
    return fig2 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def _draw_without_key_connections(dna_helix_graph, node_size_pixels,
                                  nucleotide_positions, subplot
                                  ) -> List[patches.FancyArrowPatch]:
    edge_patches = nx.draw_networkx_edges(
        dna_helix_graph, pos=nucleotide_positions,
        node_size=node_size_pixels, ax=subplot)
    return edge_patches 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def _draw_with_key_connections(dna_helix_graph, nucleotide_plots, subplot
                               ) -> List[patches.FancyArrowPatch]:
    edge_patches = []
    for each_nucleotide in dna_helix_graph:
        edge_patches_for_nucleotide = _draw_nucleotide_keys_connections(
            each_nucleotide, dna_helix_graph, nucleotide_plots)
        if edge_patches_for_nucleotide:
            edge_patches.extend(edge_patches_for_nucleotide)
    for each_edge_patch in edge_patches:
        subplot.add_patch(each_edge_patch)
    return edge_patches 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def _draw_nucleotide_keys_connections(nucleotide, dna_helix_graph,
                                      nucleotide_plots
                                      ) -> List[patches.FancyArrowPatch]:
    edge_patches_for_nucleotide = []
    predecessors = dna_helix_graph.predecessors(nucleotide)
    successors = dna_helix_graph.successors(nucleotide)
    for each_inbound_nucleotide in predecessors:
        edge_patches = _draw_key_connections_for_nucleotide_pair(
            nucleotide, each_inbound_nucleotide, nucleotide_plots)
        edge_patches_for_nucleotide.extend(edge_patches)
    for each_outgoing_nucleotide in successors:
        edge_patches = _draw_key_connections_for_nucleotide_pair(
            each_outgoing_nucleotide, nucleotide, nucleotide_plots)
        edge_patches_for_nucleotide.extend(edge_patches)
    return edge_patches_for_nucleotide 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def _draw_key_connections_for_nucleotide_pair(
        nucleotide: Nucleotide,
        inbound_nucleotide: Nucleotide,
        nucleotide_plots: Dict[Nucleotide, _NUCLEOTIDE_PLOT]
) -> List[patches.FancyArrowPatch]:
    nucleotide_plot = nucleotide_plots[nucleotide]
    incoming_nucleotide_plot = nucleotide_plots[inbound_nucleotide]

    inputs_to_nucleotide = {each_inbound_node: {"": None}
                            for each_inbound_node in nucleotide.inbound_nodes}
    inputs_to_nucleotide[inbound_nucleotide.name] = {
        k: k for k in inbound_nucleotide.generated_keys_all}

    inputs_to_nucleotide_filtered = nucleotide.filter_inputs(
        inputs_to_nucleotide)
    if "" in inputs_to_nucleotide_filtered:
        del inputs_to_nucleotide_filtered[""]

    edge_patches = []
    for each_incoming_key, each_generated_key in (
            inputs_to_nucleotide_filtered.items()):
        edge_patch = _draw_edge_between_keys(
            nucleotide, inbound_nucleotide,
            each_incoming_key, each_generated_key,
            nucleotide_plot, incoming_nucleotide_plot)
        edge_patches.append(edge_patch)
    return edge_patches 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def test_fancyarrow_dpi_cor_100dpi():
    """
    Check the export of a FancyArrowPatch @ 100 DPI. FancyArrowPatch is
    instantiated through a dedicated function because another similar test
    checks a similar export but with a different DPI value.

    Remark: test only a rasterized format.
    """

    __prepare_fancyarrow_dpi_cor_test() 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def test_arrow_styles():
    styles = mpatches.ArrowStyle.get_styles()

    n = len(styles)
    fig, ax = plt.subplots(figsize=(6, 10))
    ax.set_xlim(0, 1)
    ax.set_ylim(-1, n)

    for i, stylename in enumerate(sorted(styles)):
        patch = mpatches.FancyArrowPatch((0.1, i), (0.8, i),
                                         arrowstyle=stylename,
                                         mutation_scale=25)
        ax.add_patch(patch) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def test_invalid_intersection():
    conn_style_1 = mpatches.ConnectionStyle.Angle3(angleA=20, angleB=200)
    p1 = mpatches.FancyArrowPatch((.2, .2), (.5, .5),
                                  connectionstyle=conn_style_1)
    with pytest.raises(ValueError):
        plt.gca().add_patch(p1)

    conn_style_2 = mpatches.ConnectionStyle.Angle3(angleA=20, angleB=199.9)
    p2 = mpatches.FancyArrowPatch((.2, .2), (.5, .5),
                                  connectionstyle=conn_style_2)
    plt.gca().add_patch(p2) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def add_arrow(ax, tailhead, **kwargs):
	arrowDict = dict(linewidth=1., color='k', arrowstyle='-|>', mutation_scale=12 * 1)
	arrowDict.update(kwargs)
	p = patches.FancyArrowPatch(tailhead[0], tailhead[1], transform=ax.transData, **arrowDict)
	ax.add_patch(p) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def set_arrow_alpha(ax=None, alpha=1):
    from matplotlib import patches
    ax = plt.gca() if ax is None else ax

    # iterate through the children of ax
    for art in ax.get_children():
        # we are only interested in FancyArrowPatches
        if not isinstance(art, patches.FancyArrowPatch):
            continue
        art.set_alpha(alpha) 

# 需要导入模块: from matplotlib import patches [as 别名]
# 或者: from matplotlib.patches import FancyArrowPatch [as 别名]
def draw(self):
        style = ArrowStyle("Simple, head_length=.1, head_width=.1, tail_width=.01")
        arrow = FancyArrowPatch(self.point[:2], (self.point + self.vector)[:2],
                                arrowstyle=style,
                                edgecolor=self.color,
                                facecolor=self.color,
                                zorder=self.zorder,
                                mutation_scale=100)
        if self._draw_point:
            self.point_artist = self.plotter.add(self.point)
        self.mpl_vector = self.plotter.axes.add_patch(arrow)