Aerial Photographs and Orthophoto Maps (Grade 11 NSC Matric Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Remote sensing
Remote sensing
Gathering info about Earth without direct physical contact
Vertical aerial photo camera angle
Vertical aerial photo camera angle
90° to the ground (straight down)
Low-angle oblique camera angle
Low-angle oblique camera angle
30° from vertical
High-angle oblique camera angle
High-angle oblique camera angle
60° from vertical
Horizon in low-angle oblique photos
Horizon in low-angle oblique photos
Not visible
Horizon in high-angle oblique photos
Horizon in high-angle oblique photos
Visible
Stereoscopy
Stereoscopy
Technique to create 3D views using overlapping aerial photos
Overlap % for stereoscopy
Overlap % for stereoscopy
60%
Best time for aerial photography
Best time for aerial photography
Between 10 a.m. and 2 p.m.
Aerial photo type for accurate scale
Aerial photo type for accurate scale
Vertical