File:Wulff net central angle 2.jpg
Summary
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 P1 and P2 lie on the same meridian (see <a href="//commons.wikimedia.org/wiki/File:Wulff_net_central_angle_1.jpg" title="File:Wulff net central angle 1.jpg">Wulff net central angle 1.jpg</a>). The angle is measured by counting the graduation along the meridian between both points (here, 2° steps: the angle is 92°).
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:17, 5 January 2017 | | 1,500 × 1,050 (889 KB) | 127.0.0.1 (talk) | 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<sub>1</sub> and P<sub>2</sub> lie on the same meridian (see <a href="//commons.wikimedia.org/wiki/File:Wulff_net_central_angle_1.jpg" title="File:Wulff net central angle 1.jpg">Wulff net central angle 1.jpg</a>). The angle is measured by counting the graduation along the meridian between both points (here, 2° steps: the angle is 92°). |
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