Spherical Projection
- Practical Electron Microscopy and Database -
- An Online Book -



This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers. You can click How to Cite This Book to cite this book. Please let Dr. Liao know once you have cited this book so that the brief information of your publication can appear on the “Times Cited” page. This appearance can also help advertise your publication.



You can imagine a crystal located inside a sphere as shown in Figure 4123. Draw lines normal to corresponding crystal planes from the center of the sphere to intersect the sphere at point Ns (N1 to Nn) in the northern hemisphere (There are 5 Ns shown in the crystal example). Similarly, there are 5 Ss (S1 to S5) shown in the southern hemisphere and there are 6 Ps (P1 to P6) shown on the equatorial plane. This projection on the sphere is called spherical projection.

spherical projection

Figure 4123. The spherical projection. The crystal is located at the center of the sphere.



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