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Add more explanation #2

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merged 2 commits into from
Dec 4, 2024
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@jiayuasu jiayuasu commented Nov 23, 2024

  1. Explicitly define the axis order
  2. Define the behavior of antimeridian crossing
  3. Reiterate the linear interpolation from the OGC spec

@jiayuasu jiayuasu changed the title Explicitly define the axis order Add more explanation Nov 23, 2024
@@ -607,6 +607,7 @@ Notes:
6. The following field ids are reserved on `data_file`: 141.
7. `geometry`, this is a point: X = westernmost bound of all geometries in file, Y = northernmost bound of all geometries in file, Z is min value for all component points of all geometries in the file, M is min value of all component points of all geometries in the file. See Appendix D for encoding.
8. `geometry`, this is a point: X = easternmost bound of all geometries in file, Y = southernmost bound of all geometries in file, Z is max value for all component points of all geometries in the file, M is max value of all component points of all geometries in the file. See Appendix D for encoding.
9. `geometry`, the concepts of westernmost and easternmost values are explicitly introduced to address cases involving antimeridian crossing, where the `lower_bound` may be greater than `upper_bound`.
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Can this be part of 8?

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@szehon-ho It can but I feel since it mentions westernmost (7) and easternmost (8) so maybe it is worth to be a separate item? I mentioned in the spec: see [7,9] and [8,9]

@szehon-ho szehon-ho merged commit b7f8a33 into szehon-ho:geo_spec_draft Dec 4, 2024
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