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| dz || The amount by which the elevation has been changed by the Z Line. A positive value indicates that the elevation has been increased by the GIS layer and a negative value indicates that the elevation has been lowered. For example a value of 0.3 would indicate that elevation point has been raised by 0.3 (metres or feet if running in US Customary units.)
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| Elevation (ZExact if SGS is used)|| The elevation within the cell. If SGS is used, the elevation at the exact location of the cell centre, face mid-point, or cell corner.
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| dZMin (only if SGS is used)|| The change in minimum elevation inside cells, along faces or at corners.
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| ZMin (only if SGS is used)|| The minimum elevation within the cell.
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| Source || The path to the GIS layer which has caused the elevation point to be modified.
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