Piercing Point Vector Data


File Format

For horizontal components of piercing points (*EN.dat files)

Column 1: Longitude (WGS-84 in decimal degrees)
Column 2: Latitude (WGS-84 in decimal degrees)
Column 3: East component for piercing point (meters)
Column 4: North component for piercing point (meters)
Column 5: Error estimate on Column 3 (meters)
Column 6: Error estimate on Column 4 (meters)
Column 7: Counter-clockwise angle, in degrees, from horizontal axis to major axis of ellipse
Column 8: Point ID for piercing points (#1 to #963)

For vertical components of piercing points (*Z.dat files)

Column 1: Longitude (WGS-84 in decimal degrees)
Column 2: Latitude (WGS-84 in decimal degrees)
Column 3: Zero value
Column 4: Vertical component for piercing point (-ve value is hangingwall down, meters)
Column 5: Error estimate on Column 3 (meters)
Column 6: Error estimate on Column 4 (meters)
Column 7: Counter-clockwise angle, in degrees, from horizontal axis to major axis of ellipse
Column 8: Point ID for piercing points (#1 to #963)

Representing total 3-D piercing point displacement on a 2-D map is difficult. Each 3-D piercing point is decomposed into horizontal (east and north component) and vertical displacements. Piercing point Point ID values 162 to 188 do not exist.


Data Files

  • Piercing points on Apua Pali (horizontal components)
  • Piercing points on Apua Pali (vertical components)
  • Piercing points on Holei Pali (horizontal components)
  • Piercing points on Holei Pali (vertical components)
  • Piercing points on Poliokeawe Pali (horizontal components)
  • Piercing points on Poliokeawe Pali (vertical components)

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