principal point


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principal point

The foot of the perpendicular to the photo plane through the perspective center. Generally determined by intersection of the lines joining opposite collimating or fiducial marks.
References in classic literature ?
These dates were inscribed in an itinerary divided into columns, indicating the month, the day of the month, and the day for the stipulated and actual arrivals at each principal point Paris, Brindisi, Suez, Bombay, Calcutta, Singapore, Hong Kong, Yokohama, San Francisco, New York, and London--from the 2nd of October to the 21st of December; and giving a space for setting down the gain made or the loss suffered on arrival at each locality.
The princess for her part, going round the question in the manner peculiar to women, maintained that Kitty was too young, that Levin had done nothing to prove that he had serious intentions, that Kitty felt no great attraction to him, and other side issues; but she did not state the principal point, which was that she looked for a better match for her daughter, and that Levin was not to her liking, and she did not understand him.
Many are the examples of the great odds, between number and courage; so that a man may truly make a judgment, that the principal point of greatness in any state, is to have a race of military men.
The principal point is, that he is sure not to divulge the secret, for the very good reason that he does not know it himself.
This fact was doubly apparent, by the rapid manner in which the battle in the forest rolled upward toward the village, and by an instant falling off in the number of their assailants, who rushed to assist in maintaining the front, and, as it now proved to be, the principal point of defense.
Pambrune informed Captain Bonneville that he had been at some pains to introduce the Christian religion, in the Roman Catholic form, among them, where it had evidently taken root; but had become altered and modified, to suit their peculiar habits of thought, and motives of action; retaining, however, the principal points of faith, and its entire precepts of morality.
Those are the principal points about which I wished to be absolutely clear.
Whereas, the intrinsic parameters are the internal characteristics of camera such as focal length, principal point and skew coefficient.
Le gouverneur a rappele que ce poste represente egalement le principal point d'acces pour les voyageurs et commercants entre le sud de la Tunisie et le centre-ouest de l'Algerie et devra etre transforme ulterieurement en un passage frontalier commercial.
He will also serve s the principal point of contact for the Commission on all matters pertaining to the Department of Homeland Security, and be charged with developing emergency programs covering service provision by wireless and wireline telecommunications carriers and broadcast, cable, and satellite facilities, as well as radio frequency assignment, investigation, and enforcement.
She is also the principal point of contact between iPlace clients and the MSP.
Assigned Green Ambassadors will be responsible for coordinating waste management activities, educating colleagues and will serve as the principal point of contact between RAKTDA and WMA.