Class Layer

folium/map.py:98–137

An abstract class for everything that is a Layer on the map. It will be used to define whether an object will be included in LayerControls. Parameters ---------- name : string, default None The name of the Layer, as it will appear in LayerControls overlay : bool, def

class Layer(Evented):
    """An abstract class for everything that is a Layer on the map.
    It will be used to define whether an object will be included in
    LayerControls.

    Parameters
    ----------
    name : string, default None
        The name of the Layer, as it will appear in LayerControls
    overlay : bool, default False
        Adds the layer as an optional overlay (True) or the base layer (False).
    control : bool, default True
        Whether the Layer will be included in LayerControls.
    show: bool, default True
        Whether the layer will be shown on opening.
    """

    def __init__(
        self,
        name: Optional[str] = None,
        overlay: bool = False,
        control: bool = True,
        show: bool = True,
    ):
        super().__init__()
        self.layer_name = name if name is not None else self.get_name()
        self.overlay = overlay
        self.control = control
        self.show = show

    def render(self, **kwargs):
        if self.show:
            self.add_child(
                ElementAddToElement(
                    element_name=self.get_name(),
                    element_parent_name=self._parent.get_name(),
                ),
                name=self.get_name() + "_add",
            )
        super().render(**kwargs)


class FeatureGroup(Layer):