Wulff_net_central_angle_2.jpg
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Summary
Description Wulff net central angle 2.jpg |
English:
Measuring the central angle between two points P1 and P2 on a stereographic projection using the Wulff net. A transparent sheet has been tacked in the middle of a Wulff net and the points are drawned on the transparent sheet.
The transparent sheet has been rotated until both points P
1
and P
2
lie on the same meridian (see
Wulff net central angle 1.jpg
). The angle is measured by counting the graduation along the meridian between both points (here, 2° steps: the angle is 92°).
|
Date | |
Source | Own work |
Author | Perditax |
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