_maybe_convert_i8(self, key)
The key that should maybe be converted to i8.
The original key if no conversion occurred, int if converted scalar, Int64Index if converted list-like.
Maybe convert a given key to its equivalent i8 value(s). Used as a preprocessing step prior to IntervalTree queries (self._engine), which expects numeric data.
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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.
All aboves nodes referred to, (or are referred from) current nodes; Edges from Self to other have been omitted (or all nodes would be connected to the central node "self" which is not useful). Nodes are colored by the library they belong to, and scaled with the number of references pointing them