Method for determining an item of horizontal attitude information of at least one object (1; 1') to be oriented with respect to a height reference surface, in particular a mobile work machine, using at least one rotating laser, comprising a rotating unit and a laser source for emission of laser radiation substantially parallel in the vertical direction in a rotating, horizontal emission direction, so that the laser radiation defines a height reference surface for the object (1; 1'), the laser radiation carrying an item of angle-dependent information from which the emission direction can be derived, so that the emission direction is associated with the direction of the rotating laser to the object (1; 1') which receives the laser radiation, comprising the steps • emission of the laser radiation by the rotating laser, • first reception of the laser radiation by a first detector of the object, • a defined change in the position of the first detector of the object relative to its position during the first reception of the laser radiation to a changed position a defined horizontal distance away takes place, • second reception of the laser radiation at the object (1; 1') by the first detector, • height orientation of at least one component of the object (1; 1') with the laser radiation (5; 5'), • derivation of a first emission direction (α 1) of the laser radiation received by the first detector during the first reception and derivation of a second emission direction (α 2) of the laser radiation received during the second reception, the derivation being effected at least once from the angle-dependent information, • derivation of the distance (d 1) or horizontal position (P 0b; P 0b') of the object (1; 1') relative to the position (P I) of the rotating laser from a knowledge of the first emission direction (α 1), of the second emission direction (α 2) and of the defined change in the position of the first detector between the first reception and the second reception. • emission of the laser radiation by the rotating laser, • first reception of the laser radiation by a first detector of the object, • a defined change in the position of the first detector of the object relative to its position during the first reception of the laser radiation to a changed position a defined horizontal distance away takes place, • second reception of the laser radiation at the object (1; 1') by the first detector, • height orientation of at least one component of the object (1; 1') with the laser radiation (5; 5'), • derivation of a first emission direction (α 1) of the laser radiation received by the first detector during the first reception and derivation of a second emission direction (α 2) of the laser radiation received during the second reception, the derivation being effected at least once from the angle-dependent information, • derivation of the distance (d 1) or horizontal position (P 0b; P 0b') of the object (1; 1') relative to the position (P I) of the rotating laser from a knowledge of the first emission direction (α 1), of the second emission direction (α 2) and of the defined change in the position of the first detector between the first reception and the second reception.