ganos.trajectory.index_split_config (string) controls how a trajectory is split when a Generalized Search Tree (GiST) index is built on trajectory data. The value follows the same format as the config parameter of the ST_Split function. The default value is {"cut_point.even_divide":10}.
See also
GiST indexing — create a GiST index on trajectory data
ST_Split — split a trajectory using a configuration string