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Wulff Net = projection of great & small circles (long & lat) used to place planes a& their poles on a stereogram with great accuracy, allows maintenance of angular truth, while still being easy to draw

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The Wulff net
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https://www.doitpoms.ac.uk/tlplib/stereographic/wulff.php
The Wulff net
Department of Materials Science and Metallurgy - University of Cambridge
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Having understood how the projection is constructed, we can now look at how it is examined using the
Wulff Net. The net is a projection of a collection of great and small circles, which represent lines of
latitude (small circles) and lines of longitude (great circles) on the sphere, as seen here:
If we consider rather more of each, we can project them downwards as before using the principle of
projection to construct a stereographic projection of planes which are two degrees apart. This creates
the Wulff Net.
This can be used to place planes and poles of planes on a stereogram with great accuracy. It allows the
maintenance of angular truth, while still being easy to draw.
30/11/2021, 9:22 am
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