## Analytical Photogrammetry |

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**computed**with equations ( 1 ) and ( 2 ) . These values will be in error as a direct function of the error in the approximate value of LA . Moreover , in the equation cos ( bLc ) 1 = LB2 + LC2 2 LB.LC - BC2 ( 3 ) .. angle ( bLc ) fails ...Page 96

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**computed**with equations ( 5 ) and ( 6 ) respective- ly . LB and LC may also be**computed**with the last value of LA sub- stituted in equations ( 1 ) and ( 2 ) . There are numerous approaches to the problem of space coordinates and angular ...Page 157

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**computed**with simple formulae : vx tan t1 1 = tan ty1 1 = where and Vy are the perpendicular distances from the x and y camera principal points to the apparent horizons , and f , and fy are the corres- ponding focal lengths . The tilt ...### Contents

Orientation | 10 |

Simplification of the Angular Orientation | 25 |

CHAPTER II | 31 |

Copyright | |

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A(aLb a₂ AB¹ aLb¹ analytical angular orientation approximation azimuth B₁ B₂ bLc¹ calibration camera coordinates camera station cLa¹ coefficients computed conjugate images converge coordinate system cos aLb cos Az cos Yz cos² datum defined determined differential dihedral angle direction angles direction cosines distortion equations error exposure station exterior orientation f cos Yz focal length geodetic geometry ground coordinates horizon camera horizon line illustrated in Figure image plane instrument intersection known LA² law of cosines measured n₁ n₂ nadir camera object space oblique optical axis perpendicular perspective projection photogrammetry photographic position principal plane principal point Q₁ rays reference plane rotation solution space coordinates spherical theodolite tilt and swing unknowns values vertical X₁ X₂ XL-XA XY plane Y₂ ya sin YA¹ YL-YA ZA¹ zenith angles zenith camera ZL-ZA ZL¹ ΔΥ