Method for registering a total station, which is deployed in a measurement environment with one or more objects (14, 15, 16, 17, 18), in the reference system of a CAD model, which images the objects (14, 15, 16, 17, 18) of the measurement environment, by means of a control device, including the steps of: ▪ selecting three surfaces (F 1, F 2, F 3) in the CAD model, wherein the normal vectors ( N 1, N 2, N 3) of the three surfaces (F 1, F 2, F 3) span a three-dimensional space, ▪ determining a first plane equation for a first plane (E 1), which comprises a first surface (F 1) of the three surfaces (F 1, F 2, F 3), a second plane equation for a second plane (E 2), which comprises a second surface (F 2) of the three surfaces (F 1, F 2, F 3), and a third plane equation for a third plane (E 3), which comprises a third surface (F 3) of the three surfaces (F 1, F 2, F 3), in the reference system of the CAD model by means of the control device, characterized in that the said method comprises the following steps: ▪ aligning the total station in the measurement environment on the point of intersection of the first plane (E 1), second plane (E 2) and third plane (E 3) in the CAD model, wherein the alignment of the total station is defined as start pose by the control device, ▪ rotating the total station about the axis of rotation of the start pose and carrying out N, N ∈ N, different measurements during the rotation of the total station, wherein, in each of the N different measurements, a horizontal angle is measured by a first angle measuring unit, a vertical angle is measured by a second angle measuring unit and a distance is measured by a distance measuring unit of the total station, ▪ storing N different measured points (M 1 - M 19) with measured coordinates, wherein the measured coordinates comprise the horizontal angle, the vertical angle and the distance, ▪ assigning K of the N, K ≤ N, different measured points to the first plane (E 1), to the second plane (E 2) or to the third plane (E 3), wherein the measured points assigned to the first plane (E 1) are defined as first measured points (A 1), the measured points assigned to the second plane (E 2) are defined as second measured points (A 2) and the measured points assigned to the third plane (E 3) are defined as third measured points (A 3), in each case by the control device, ▪ determining a first function equation for the first measured points (A 1), a second function equation for the second measured points (A 2) and a third function equation for the third measured points (A 3) in the reference system of the total station by means of the control device, ▪ determining a mapping between the first, second and third plane equation in the reference system of the CAD model and the first, second and third function equation in the reference system of the total station by means of the control device, and ▪ storing the mapping as a transformation function between the reference system of the total station and the reference system of the CAD model. ▪ selecting three surfaces (F 1, F 2, F 3) in the CAD model, wherein the normal vectors ( N 1, N 2, N 3) of the three surfaces (F 1, F 2, F 3) span a three-dimensional space, ▪ determining a first plane equation for a first plane (E 1), which comprises a first surface (F 1) of the three surfaces (F 1, F 2, F 3), a second plane equation for a second plane (E 2), which comprises a second surface (F 2) of the three surfaces (F 1, F 2, F 3), and a third plane equation for a third plane (E 3), which comprises a third surface (F 3) of the three surfaces (F 1, F 2, F 3), in the reference system of the CAD model by means of the control device, ▪ aligning the total station in the measurement environment on the point of intersection of the first plane (E 1), second plane (E 2) and third plane (E 3) in the CAD model, wherein the alignment of the total station is defined as start pose by the control device, ▪ rotating the total station about the axis of rotation of the start pose and carrying out N, N ∈ N, different measurements during the rotation of the total station, wherein, in each of the N different measurements, a horizontal angle is measured by a first angle measuring unit, a vertical angle is measured by a second angle measuring unit and a distance is measured by a distance measuring unit of the total station, ▪ storing N different measured points (M 1 - M 19) with measured coordinates, wherein the measured coordinates comprise the horizontal angle, the vertical angle and the distance, ▪ assigning K of the N, K ≤ N, different measured points to the first plane (E 1), to the second plane (E 2) or to the third plane (E 3), wherein the measured points assigned to the first plane (E 1) are defined as first measured points (A 1), the measured points assigned to the second plane (E 2) are defined as second measured points (A 2) and the measured points assigned to the third plane (E 3) are defined as third measured points (A 3), in each case by the control device, ▪ determining a first function equation for the first measured points (A 1), a second function equation for the second measured points (A 2) and a third function equation for the third measured points (A 3) in the reference system of the total station by means of the control device, ▪ determining a mapping between the first, second and third plane equation in the reference system of the CAD model and the first, second and third function equation in the reference system of the total station by means of the control device, and ▪ storing the mapping as a transformation function between the reference system of the total station and the reference system of the CAD model.