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Figure 4 – A zoomed image of horizon slice through volumetric dip-azimuth along the picked horizon shown in the previous image about an area of predominantly south (ψ = 180 degrees) dip (a) without and (b) with vector interpolated defined in equation 1c. Careful examination of small artifacts indicated by the white arrows are eliminated when using vector interpolation. However, the major overprint here is the pixel interpolation artifacts introduced by the surface rendering software. In the software we use, there is no way to turn off pixel to pixel interpolation between seismic data points, giving rise to (typically blue, ψ~0 degrees) linear (vs. cyclical) interpolation between yellow values near -180 degrees and yellow values near +180 degrees. For this reason, the extra steps involved in vector interpolation is not worth the trouble.
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Figure 4 – A zoomed image of horizon slice through volumetric dip-azimuth along the picked horizon shown in the previous image about an area of predominantly south (ψ = 180 degrees) dip (a) without and (b) with vector interpolated defined in equation 1c. Careful examination of small artifacts indicated by the white arrows are eliminated when using vector interpolation. However, the major overprint here is the pixel interpolation artifacts introduced by the surface rendering software. In the software we use, there is no way to turn off pixel to pixel interpolation between seismic data points, giving rise to (typically blue, ψ~0 degrees) linear (vs. cyclical) interpolation between yellow values near -180 degrees and yellow values near +180 degrees. For this reason, the extra steps involved in vector interpolation is not worth the trouble.