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- TABLE DES MATIÈRES
- RECHERCHE DANS LE DOCUMENT
- TEXTE OCÉRISÉ
- Première image
- PAGE DE TITRE
- CONTENTS (p.621)
- CHAPTER I - FUNDAMENTAL PRINCIPLES OF ICONOMETRY (p.630)
- I. Orienting the picture traces on the working sheet (p.631)
- II. Arithmetical determination of the principal and horizon lines (p.633)
- III. Graphic method for dertermining the positions of the principal and horizon lines on the perspective (p.635)
- IV. The five-point problem (by Prof. F. Steiner). Locating the position of the camera station by means of the perspective when five triangulation points are pictured on one photograph (p.636)
- 1. Determination of the principal point and of the distance line (p.637)
- 2. Simplified construction for locating the camera station by means of the five-point problem (p.637)
- 3. Application of the five-point problem for the special case when the five points are ranged into a triangle (p.638)
- 4. To find the elevation of a camera station that had been located by means of the five-point problem (p.638)
- V. The three-point problem (p.639)
- VI. Orientation of the picture traces, based upon instrumental measurements made in the field (p.641)
- VII. Relations between two perspectives of the same object viewed from different stations ; Prof. G. Hauck's method (p.641)
- VIII. To plat a figure, situated in a horizontal plane, on the ground plan by means of its perspective (p.645)
- IX. To draw a plane figure on the ground plan by means of the "method of squares" if its perspective and the elements of the vertical picture plane are given (p.649)
- X. The use of the "vanishing scale" (p.651)
- CHAPTER II - PHOTOGRAPHS ON INCLINED PLANES (p.653)
- CHAPTER III - PHOTOTOPOGRAPHIC METHODS (p.659)
- I. Analytical or arithmetical iconometric methods (p.659)
- 1. Method of Prof. W. Jordan (p.659)
- 2. Method of Dr. G. Le Bon (p.660)
- 3. Method of L. P. Paganini (Italian method) (p.661)
- General determination of the elements of the Italian photographic perspectives (p.662)
- (a) Orientation of the picture trace (p.662)
- (b) Platting of the lines of direction to pictured points of the terrene (p.662)
- (c) Determination of the elevations of pictured points (p.663)
- (d) Checking the position of the horizon line on a photograph (p.664)
- (e) Determination of the focal length (p.665)
- (f) Determination of the principal point of the perspective (p.665)
- (g) Application of Franz Hafferl's method for finding the focal length of a photographic perspective from the abscissæ of two pictured known points (p.668)
- 4. General arithmetical method for finding the platted positions of points pictured on vertically exposed photographic plates (negatives) (p.668)
- 5. General arithmetical method for finding the platted positions of points pictured on inclined photographic plates (p.671)
- 6. General arithmetical determination of the elements of photographic perspectives (p.672)
- II. Graphical iconometric methods (p.674)
- 1. Method of Col. A. Laussedat (p.674)
- (a) Locating points, identified on several photographs, on the platting sheet (p.676)
- (b) Determination of the elevations of pictured points (p.676)
- (c) Drawing the plan, including horizontal contours (p.677)
- 2. Method of Dr A. Meydenbaur (p.677)
- (a) Determination of the focal length for the panorama views (p.678)
- (b) General method of iconometric platting (p.678)
- (c) Determination of the elevations of pictured points of the terrene (p.681)
- 3. Method of Capt. E. Deville (Canadian method) (p.681)
- (a) General remarks on the field work (p.681)
- (b) General remarks on the iconometric platting of the survey (p.683)
- (c) Platting the picture traces (p.684)
- (d) The identification of points, pictured on several photographs, representing the same points of the terrene (p.685)
- (e) Application of Professor Hauck's method for the identification of points on two photographs (p.685)
- (f) Platting the intersections of horizontal directions to pictured points (p.686)
- (g) Platting pictured points iconometrically by "vertical intersections" (p.687)
- (h) Iconometric determination of elevations (p.689)
- (i) Iconometric determination of elevations by means of the "scale of heights" (p.690)
- (j) The use of the so-called "photograph board" (p.691)
- (k) Constructing the traces of a figure's plane (p.692)
- (l) Contouring (p.694)
- (m) The photograph protractor (p.696)
- 4. Method of V. Legros for determining the position of the horizon line (p.697)
- 5. Method of Prof. S. Finsterwalder for the iconometric location of horizontal contours (p.697)
- I. Analytical or arithmetical iconometric methods (p.659)
- CHAPTER IV - PHOTOGRAMMETERS (p.699)
- I. Requirements to be fulfilled by a topographic surveying camera (p.699)
- II. Ordinary cameras (with bellows) made adapted for surveying (p.699)
- III. Special surveying cameras with constant focal lengths (p.701)
- IV. Surveying cameras combined with geodetic instruments (phototheodolites, photographic plane tables, etc.) (p.706)
- 1. The new Italian phototheodolite, devised by L. P. Paganini (p.708)
- 2. The photogrammetric theodolite of Prof. S. Finsterwalder (p.711)
- 3. Phototheodolite for precise work, by O. Ney (p.712)
- 4. The phototheodolite of Dr. C. Koppe (p.715)
- 5. Phototheodolite devised by V. Pollack (p.716)
- 6. Col. A. Laussedat's new phototheodolite (p.717)
- 7. The phototheodolite of Starke and Kammerer (p.717)
- 8. Captain Hübl's plane table photogrammeter (p.721)
- V. Panoramic cameras (p.722)
- CHAPTER V - ICONOMETERS AND PERSPECTOGRAPHS (p.725)
- Dernière image
TREASURY DEPARTMENT
U. S. COAST AND GEODETIC SURYEY
W. W. ÜTJFFIELT)
SUPERINTENDENT
TOPOGRAPHY
PHOTO -TOPOORAPHIC METHODS AND INSTRUMENTS
lîy J-. Tr'T-jTClYITniî, -Assistant
APPENDIX No. 10—REPORT FOR 1897
WASHINGTON
GrOYEENMENT PEINTING OFFICE 1898
Le texte affiché peut comporter un certain nombre d'erreurs. En effet, le mode texte de ce document a été généré de façon automatique par un programme de reconnaissance optique de caractères (OCR). Le taux de reconnaissance estimé pour cette page est de 74,40 %.
La langue de reconnaissance de l'OCR est le Français.
U. S. COAST AND GEODETIC SURYEY
W. W. ÜTJFFIELT)
SUPERINTENDENT
TOPOGRAPHY
PHOTO -TOPOORAPHIC METHODS AND INSTRUMENTS
lîy J-. Tr'T-jTClYITniî, -Assistant
APPENDIX No. 10—REPORT FOR 1897
WASHINGTON
GrOYEENMENT PEINTING OFFICE 1898
Le texte affiché peut comporter un certain nombre d'erreurs. En effet, le mode texte de ce document a été généré de façon automatique par un programme de reconnaissance optique de caractères (OCR). Le taux de reconnaissance estimé pour cette page est de 74,40 %.
La langue de reconnaissance de l'OCR est le Français.