__init__(self, xy, r, width, angle=0.0, **kwargs)
xy coordinates of annulus centre.
The radius, or semi-axes:
If float: radius of the outer circle.
If two floats: semi-major and -minor axes of outer ellipse.
Width (thickness) of the annular ring. The width is measured inward from the outer ellipse so that for the inner ellipse the semi-axes are given by r - width
. width must be less than or equal to the semi-minor axis.
Rotation angle in degrees (anti-clockwise from the positive x-axis). Ignored for circular annuli (i.e., if r is a scalar).
Keyword arguments control the Patch
properties:
Properties: agg_filter: a filter function, which takes a (m, n, 3) float array and a dpi value, and returns a (m, n, 3) array alpha: unknown animated: bool antialiased or aa: bool or None capstyle: .CapStyle
or {'butt', 'projecting', 'round'} clip_box: .Bbox
clip_on: bool clip_path: Patch or (Path, Transform) or None color: color edgecolor or ec: color or None facecolor or fc: color or None figure: .Figure
fill: bool gid: str hatch: {'/', '\\', '|', '-', '+', 'x', 'o', 'O', '.', '*'} in_layout: bool joinstyle: .JoinStyle
or {'miter', 'round', 'bevel'} label: object linestyle or ls: {'-', '--', '-.', ':', '', (offset, on-off-seq), ...} linewidth or lw: float or None path_effects: .AbstractPathEffect
picker: None or bool or float or callable rasterized: bool sketch_params: (scale: float, length: float, randomness: float) snap: bool or None transform: .Transform
url: str visible: bool zorder: float
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Using a canvas is more power efficient and can get hundred of nodes ; but does not allow hyperlinks; , arrows or text (beyond on hover)
SVG is more flexible but power hungry; and does not scale well to 50 + nodes.
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