Similarities between ground level photograph and oblique photographs
- They can both be divided into foreground, middle and background during interpretation unlike the vertical photographs.
- The scale of both ground and oblique photographs tend to diminish toward the background
- They are both simple to understand and use
- In both ground level photographs and oblique photographs, the objects on the foreground tend to obscure those in the middle and background
- The size of objects in both ground level and oblique photographs tend to decrease in size from the foreground to background
- They are both useful in land use planning and construction activities
Differences between ground photograph and oblique photograph
- While ground level photograph are taken with camera axis horizontal to the the ground, oblique photographs are taken at a higher altitude with the camera axis tilted at an angle greater than 3 degrees from the vertical axis
- Oblique photographs covers large area than the ground level photographs.
- Oblique photographs has less obstruction of objects compared to ground level level photographs
- While ground level photograph provide a horizontal view, horizontal photographs provide a panoramic view of the ground area.
- Though the scale of both the ground level and oblique photographs vary toward the background, the oblique photographs have less variation of scale compared to ground level photographs
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