anyplotlib.PolygonWidget#

class anyplotlib.PolygonWidget(push_fn, *, vertices, color='#00e5ff', linewidth=2, show_handles=True)[source]#

Bases: Widget

Draggable polygon overlay widget for 2-D plots.

Parameters:

  • push_fn (Callable) – Update callback.

  • vertices (list of tuple) – Polygon vertices [(x0, y0), (x1, y1), ...] in pixel/data coordinates. Must have at least 3 vertices.

  • color (str, optional) – CSS colour for the polygon outline. Default "#00e5ff".

  • linewidth (float, optional) – Outline stroke width in px. Default 2.

  • show_handles (bool, optional) – Draw the per-vertex grab handles. Default True.

Raises:

ValueError – If fewer than 3 vertices provided.