Table of Contents

Objectives

6.1 Classification of Photographs
    6.1.1 Advantages of vertical over oblique aerial photographs
    6.1.2 Advantages of oblique over vertical aerial photographs
    6.1.3 Advantages of aerial photography (vertical or oblique)

6.2 Focal Length and Angle of Coverage

6.3 The Centers of an Aerial Photograph

6.4 Distortion and Displacement

6.5 Sources of Distortions and Displacement

6.6 Displacement Due to Topography
    6.6.1 Effect of relief displacement
    6.6.2 Relief displacement on a single untilted vertical photograph
    6.6.3 Measuring height of displaced objects on a single vertical photograph
    6.6.4 Determining horizontal ground distances, directions, and angles from photocoordinates on an aerial photograph taken over varied terrain

6.7 Displacement Due to Tilt
    6.7.1 Effect of tilt
    6.7.2 Determining directional errors on tilted photographs
    6.7.3 Determining ground coordinates from a tilted photograph photocoordinates

6.8 Combined Effects of Relief and Tilt
    6.8.1 Evaluating relief and tilt distortions about the nadir point
    6.8.2 Evaluating relief and tilt distortions about the isocenter
    6.8.3 Evaluating relief and tilt distortions about the principal point

6.9 Geometry of Oblique Photographs
    6.9.1 Geometry of high oblique photographs
    6.9.2 Geometry of low oblique photographs

References

Practice Problems


  RSCC Volume 1 Homepage

RSCC Homepage

  Evaluation and Comments


Volume 1 Modules

  1. History of Aerial Photographic Interpretation
  2. Elements, Aids, Techniques and Methods of Photographic/Image Interpretation
  3. Aerial Camera Systems and Platforms
  4. Films and Filter Combinations
  5. Introduction to Photogrammetry
  6. Geometry of Aerial Photography
  7. Scale and Area Measurement
  8. Stereoscopy
  9. Height Measurement
  10. Digital Photo Processing and Enhancement
  11. Orthophotography
  12. Acquisition of Aerial Photographs/Mission Planning
  13. Basics of Electromagnetic Radiation