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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -36,17 +36,17 @@ The following steps are built into the _build vicmap_ stage. Next, convert into [OSM address schema](https://wiki.openstreetmap.org/wiki/Key:addr), and omit addresses which don't meet our threshold for import (see [_Omitted addresses_](#omitted-addresses)) (code at [`bin/vicmap2osm.js`](bin/vicmap2osm.js)): - make dist/vicmap-osm-with-suburb.geojson + make dist/vicmap-osm-with-suburb.geojson (3,529,928 features) -Next, remove duplicates where all address attributes match at the same location or within a small proximity (code at [`bin/reduceDuplicates.js`](bin/reduceDuplicates.js), see [_Removing duplicates_](#removing-duplicates)): +Next, remove duplicates where all address attributes match at the same location or within a small proximity (code at [`bin/reduceDuplicates.js`](bin/reduceDuplicates.js), see [_Removing duplicates_](#removing-duplicates)): (3,393,050 features) make dist/vicmap-osm-uniq.geojson Two debug outputs are produced from this step. -1. _singleCluster_ - visualises where all addresses with the same address properties are combined into a single "cluster" based on a 25 meter maximum threshold distance. In this case it's safe to reduce all the points into a single centroid point. +1. _singleCluster_ - visualises where all addresses with the same address properties are combined into a single "cluster" based on a 40 meter maximum threshold distance. In this case it's safe to reduce all the points into a single centroid point. -2. _multiCluster_ - visualises where all addresses with the same address properties exceed the 25 meter cluster threshold and are unable to be reduced to a single point. These are not included in the import and need to be reviewed for manual import. A MapRoulette challenge is outputted at `debug/reduceDuplicates/mr_duplicateAddressFarApart.geojson`, which includes those missing from OSM with a rough conflation pass. +2. _multiCluster_ - visualises where all addresses with the same address properties exceed the 40 meter cluster threshold and are unable to be reduced to a single point. These are not included in the import and need to be reviewed for manual import. A MapRoulette challenge is outputted at `debug/reduceDuplicates/mr_duplicateAddressFarApart_NotFoundInOSM.geojson`, which includes those missing from OSM with a rough conflation pass.  @@ -391,6 +391,10 @@ Adding `addr:street` and other tags where none exists but the `addr:housenumber` Flag whether within the same property parcel or not. +### Stage X - Duplicate addresses from Vicmap needing manual review + +`mr_duplicateAddressFarApart_NotFoundInOSM.geojson` was used to created the MapRoulette challenge at https://maproulette.org/browse/challenges/21226. + ### Changeset tags - `source=Vicmap Address` |