According to an example aspect of the present invention, there is provided a method, comprising: receiving target pose data indicative of at least target position of a first boom object of the boom for positioning a work machine of the mine vehicle to a target pose in accordance with a mine work plan, receiving geometry data of the first boom object, the geometry data being mapped with start pose data indicative of the start position and orientation of the first boom object, receiving obstacle data, selecting trajectory generation locations for the first boom object, and generating, before starting positioning of the work machine for the target pose, a positioning trajectory for each of the selected trajectory generation locations on the basis of the target pose data, the geometry data, the start pose data, and the obstacle data.
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