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  • Open Subsurface Data Universe SoftwareOpen Subsurface Data Universe Software
  • Platform
  • Domain Data Management Services
  • Seismic
  • Open VDS
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  • #54
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Issue created Jun 15, 2020 by Morten Ofstad@OfstadMaintainer

Scaling of SEG-Y coordinates is negative

I have a SEG-Y with a coordinate scalar value of -100 in byte 72. However, when I convert to VDS using a header JSON with CoordinateScale defined, the resulting VDS scan file shows the XYs as negative numbers, as if multiplied by -100 rather than interpreted to multiply by 0.01. I can override the scalar in the command line with --scale 0.01 to get correct numbers.

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