Oblique and Vertical Aerial Photographs (Grade 10 NSC Matric Geography): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Aerial photograph
Aerial photograph
Image taken from aircraft
Vertical aerial photo camera angle
Vertical aerial photo camera angle
90° perpendicular, pointing straight down
Vertical photo scale feature
Vertical photo scale feature
Uniform scale across entire photograph
Oblique aerial photo definition
Oblique aerial photo definition
Camera tilted at an angle from vertical
High-angle oblique details
High-angle oblique details
60° from vertical, horizon visible
Low-angle oblique details
Low-angle oblique details
30° from vertical, horizon NOT visible
Oblique photo main disadvantage
Oblique photo main disadvantage
Scale distortion - can't do accurate measurements
Forward overlap in flight strips
Forward overlap in flight strips
60%
Side overlap between strips
Side overlap between strips
30%
Stereoscope
Stereoscope
Instrument using mirrors to create 3D view from stereo pairs