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json-flat: support relations #9

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json-flat: support relations #9

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@missinglink missinglink commented Jul 12, 2017 •
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this PR is to add support for multipolygon / boundary relations for the json-flat command:

  • figure out how to statically bind the C libraries for spatialite in order to use the BuildArea function.
  • enumerate the ways/nodes that belong to the target relations and store them in a bitmask
  • load these nodes and ways in to leveldb, add an new custom binary encoding for paths
  • read the data out of leveldb and ensure the data is written and loaded correctly
  • assemble the relations, compute centroids

@missinglink missinglink mentioned this pull request Jul 12, 2017
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@missinglink missinglink changed the title relations: load relation members in to leveldb json-flat: support relations Jul 14, 2017
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