دانلود فصل 7 مشخصات و هندسه عکس قائم
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فصل 7 : مشخصات و هندسه عکس قائم
45 Slide
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Definitions
Vertical photograph – photo taken with the optical axis coinciding with the direction of gravity
Tilted photograph – photo taken with the optical axis unintentionally tilted from the vertical by a small amount, usually less that 3°
Near vertical photo
Exposure station – space position of the front nodal point at the instant of exposure
Flying height – elevation of exposure station above sea level or datum
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DEFINITIONS (cont.)
x-axis of the photograph – line on photo between opposite fiducials which most nearly parallels the direction of flight
y-axis – line on photo normal to x-axis with positive being 90° counter-clockwise from +x
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Coordinate System Using Corner FIDUCIALS
x’, y’ coordinates – arbitrary
where