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3D GIS dilemma    Multi-Z’s per X, Y(no violation of topology as integrity constraint)
(salt domes in Natural Resources)     Shallow rights          Operator A                                     (X,Y,Z1) x   ...
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Petro 3D Cartoon

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Illustrating 3D GIS topology issue of multiple Zs per X and Y

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Petro 3D Cartoon

  1. 1. 3D GIS dilemma Multi-Z’s per X, Y(no violation of topology as integrity constraint)
  2. 2. (salt domes in Natural Resources) Shallow rights Operator A (X,Y,Z1) x (X,Y,Z1) x x (X,Y,Z2) x (X,Y,Z2) Operator BDeep rights Natural Resources: A/E/C: Mineral leases by depths Volumes with overhangs

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