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Replace osmborder with imposm/SQL (#1213)

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Fixes #1156
Fixes #810
Fixes #1228

This PR replaces `osmborder`, which is no longer maintained, with `imposm` mappings and SQL code to generate borders.  Key features that were moved into the imposm/SQL layer:
1. Grouping by `osm_id` and aggregating by lowest `admin_level` value so that there's only one copy of ways that are members of multiple relations.
2. Filtering out of point features in boundary relations (typically `admin_centre` and `label` roles).
3. Move disputed boundary detection logic into SQL.

This will increase the database size slightly because of the limits of what imposm can do, as some of the filtering is done in the SQL layer after importing, rather than being done in `osmborder`.
This commit is contained in:
Brian Sperlongano
2021-09-29 05:08:55 -04:00
committed by GitHub
parent bfdbd829dc
commit b4b897999d
9 changed files with 187 additions and 404 deletions
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4
docker-compose.yml
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@@ -42,10 +42,6 @@ services:
BBOX: ${BBOX}
# Imposm configuration file describes how to load updates when enabled
IMPOSM_CONFIG_FILE: ${IMPOSM_CONFIG_FILE}
# Which files to use during import-borders processing
BORDERS_CLEANUP_FILE: ${BORDERS_CLEANUP_FILE}
BORDERS_PBF_FILE: ${BORDERS_PBF_FILE}
BORDERS_CSV_FILE: ${BORDERS_CSV_FILE}
# Control import-sql processes
MAX_PARALLEL_PSQL: ${MAX_PARALLEL_PSQL}
networks: