the code is of myself.it can be used by the student or the teacher of the speciality of surveying and mapping.It use the position of the ground and the position of the potogrammetry image to compute the parameters，then we can get the accuracy position of other points on the ground according to the corresponding point in the image-the code is of myself.it can be used by the student or the teacher of the speciality of surveying and mapping.It use the position of the ground and the position of the potogrammetry image to compute the parameters, then we can get the accuracy position of other points on the ground according to the corresponding point in the image