Computer · Surveying
In the orientation of a plane table using three known points (a, b, and c) via Bessel's graphical method, which of the following describes the general approach?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Align b through a and draw a ray towards c, align a through b and draw a ray towards c, and finally align c through the intersection point.
- 2Align c through a and draw a ray towards b, align a through c and draw a ray towards b, and finally align b through the intersection point.
- 3Align c through b and draw a ray towards a, align b through c and draw a ray towards a, and finally align a through the intersection point.
- 4In the first two steps, any two of the points are used to draw rays towards the third point, which is then sighted through the intersection point in the final step.✓
Correct answer
In the first two steps, any two of the points are used to draw rays towards the third point, which is then sighted through the intersection point in the final step.
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