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File:Central angle in crystallographic projection.png

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English: The points P1 and P2 are two points of the projection sphere and symmetrical with respect to the equatorial plane (red). With the crystallographic stereographic projection, both points are projected onto the same point of the equatorial disc, marqued as a cross for P1 (north hemisphere) and a circle for P2 (south hemisphere). As an example, the central angles NOP1 and NOP2 are different. Thus, central angles between two points must be read differently on the Wulff net if they lie on the same hemisphere (see Wulff net central angle 2.jpg) or not (see Wulff net central angle 4.jpg).
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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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Date/TimeThumbnailDimensionsUserComment
current09:17, 22 January 2012Thumbnail for version as of 09:17, 22 January 2012739 × 748 (49 KB)Perditax (talk | contribs)mionr correction
13:11, 21 January 2012Thumbnail for version as of 13:11, 21 January 2012739 × 749 (46 KB)Perditax (talk | contribs)Full sphere
12:39, 21 January 2012Thumbnail for version as of 12:39, 21 January 2012440 × 748 (34 KB)Perditax (talk | contribs){{Information |Description ={{en|1=The points P<sub>1</sub> and P<sub>2</sub> are two points of the projection sphere and symmetrical with respect to the equatorial plane (red). With the crystallographic stereographic projection, both points are projec

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