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. Author manuscript; available in PMC: 2008 Dec 17.
Published in final edited form as: J Struct Biol. 2006 Oct 24;158(1):59–70. doi: 10.1016/j.jsb.2006.10.015

Figure 5.

Figure 5

Distortion maps for dual axis geometry.

The three images refer to the first, the middle and the last projection of the first the dual axis series. Like in Figure 3, the short lines at the center of each small square represent the 64 shift vectors detected by correlating the projections of the cubes with the corresponding regions extracted from the micrograph. For clarity of presentation, the shift vectors are drawn as segments starting from the centre of a set of squares which reproduce the lay out of the 64 cubes. In scale to the edge of the square, the length of the drawn segment is four times the real value. The vectors denote how the specimen warps during shrinkage. The movements follow a non-linear transformation with respect to both the speed of the changes and the shape of the final volume.