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Fig. 6 | BMC Bioinformatics

Fig. 6

From: Spark-based parallel calculation of 3D fourier shell correlation for macromolecule structure local resolution estimation

Fig. 6

The K-V format based basic 3D array partition algorithm for 3D local resolution estimation in Spark. QB stand for quadruple block, QB=(x,y,z,v), where x, y, z is coordinate, v is voxel value. In the figure, n is volume side length, 0, c, d, k are partition number, and 0 ≤ c ≤ d ≤ k, k is the largest partition number. 3D array partition are realized by K-V data shuffle and transformation in Spark. Each 3D array pair are calculated for 3D local resolution estimation

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