我们从Python开源项目中，提取了以下7个代码示例，用于说明如何使用matplotlib.patches.Wedge()。
def redraw_overplot_on_image(self, *args): if self.star_center_patch is not None: self.ztv_frame.primary_image_panel.axes.patches.remove(self.star_center_patch) if self.star_aperture_patch is not None: self.ztv_frame.primary_image_panel.axes.patches.remove(self.star_aperture_patch) if self.sky_aperture_patch is not None: self.ztv_frame.primary_image_panel.axes.patches.remove(self.sky_aperture_patch) self.star_center_patch = Circle([self.xcentroid, self.ycentroid], 0.125, color=self.aprad_color) self.ztv_frame.primary_image_panel.axes.add_patch(self.star_center_patch) self.star_aperture_patch = Circle([self.xcentroid, self.ycentroid], self.aprad, color=self.aprad_color, alpha=self.alpha) self.ztv_frame.primary_image_panel.axes.add_patch(self.star_aperture_patch) self.sky_aperture_patch = Wedge([self.xcentroid, self.ycentroid], self.skyradout, 0., 360., width=self.skyradout - self.skyradin, color=self.skyrad_color, alpha=self.alpha) self.ztv_frame.primary_image_panel.axes.add_patch(self.sky_aperture_patch) self.ztv_frame.primary_image_panel.figure.canvas.draw() self.hideshow_button.SetLabel(u"Hide")
def __init__(self, center, radius, theta1, theta2, width, direction=+1, **kwargs): self.direction = direction self.radius = radius mpatches.Wedge.__init__(self, center, radius, theta1, theta2, width, **kwargs) self._recompute_path()
def wedge(self, path: Path) -> Wedge: """ Generates the patches wedge object corresponding to `path`.""" return Wedge((self.origin[0], self.origin[1]), self._wedge_outer_radius(path), self._angles[path].theta1, self._angles[path].theta2, width=self.wedge_width(path), label=self.format_text(path), facecolor=self.face_color(path), edgecolor=self.edge_color(path), linewidth=self.line_width(path), fill=True, alpha=self.alpha(path)) # todo: supply rest of the arguments
def plot_test(self): ax = plt.subplot(111) ax.set_xlim([-5, 5]) ax.set_ylim([-5, 5]) w = Wedge((0, 0), 1, 0, 90, fc='k') ax.plot(0, 0, ms=0) ax.add_artist(w) plt.show()
def _recompute_path(self): if not self.direction in [-1, +1]: return mpatches.Wedge._recompute_path(self) theta1, theta2 = self.theta1, self.theta2 arrow_angle = min(5, abs(theta2 - theta1) / 2) normalized_arrow_width = self.width / 2.0 / self.radius if self.direction == +1: angle_start_arrow = theta1 + arrow_angle arc = mpatches.Path.arc(angle_start_arrow, theta2) outer_arc = arc.vertices[::-1] * (1 + normalized_arrow_width) inner_arc = arc.vertices * (1 - normalized_arrow_width) arrow_vertices = [ outer_arc[-1], np.array([np.cos(np.deg2rad(theta1)), np.sin(np.deg2rad(theta1))]), inner_arc[0] ] else: angle_start_arrow = theta2 - arrow_angle arc = mpatches.Path.arc(theta1, angle_start_arrow) outer_arc = arc.vertices * \ (self.radius + self.width / 2.0) / self.radius inner_arc = arc.vertices[ ::-1] * (self.radius - self.width / 2.0) / self.radius arrow_vertices = [ outer_arc[-1], np.array([np.cos(np.deg2rad(theta2)), np.sin(np.deg2rad(theta2))]), inner_arc[0] ] p = np.vstack([outer_arc, arrow_vertices, inner_arc]) path_vertices = np.vstack([p, inner_arc[-1, :], (0, 0)]) path_codes = np.hstack([arc.codes, 4 * [mpatches.Path.LINETO], arc.codes[1:], mpatches.Path.LINETO, mpatches.Path.CLOSEPOLY]) path_codes[len(arc.codes)] = mpatches.Path.LINETO # Shift and scale the wedge to the final location. path_vertices *= self.r path_vertices += np.asarray(self.center) self._path = mpatches.Path(path_vertices, path_codes)
def __init__(self, input_pv: MutableMapping[Path, float], axes, # todo: make optional argument? origin=(0., 0.), cmap=plt.get_cmap('autumn'), base_ring_width=0.4, base_edge_color=(0, 0, 0, 1), base_line_width=0.75, plot_center=False, plot_minimal_angle=0, label_minimal_angle=0, order="value reverse", base_textbox_props = None): # *** Input & Config *** (emph) self.input_pv = input_pv self.axes = axes self.cmap = cmap self.origin = origin self.base_wedge_width = base_ring_width self.base_edge_color = base_edge_color self.base_line_width = base_line_width self.plot_center = plot_center self.plot_minimal_angle = plot_minimal_angle self.label_minimal_angle = label_minimal_angle self.order = order self.base_textbox_props = base_textbox_props if not base_textbox_props: self.base_textbox_props = dict(boxstyle="round, pad=0.2", fc=(1, 1, 1, 0.8), ec=(0.4, 0.4, 0.4, 1), lw=0.) # *** Variables used for computation *** (emph) self._completed_pv = None # type: Dict[Path, float] self._completed_paths = None # type: List[Path] self._max_level = None # type: int self._structured_paths = None # type: List[List[List[Path]]] self._angles = None # type: Dict[Path, Angles] # *** "Output" *** (emph) self.wedges = {} # type: Dict[Path, Wedge]
