Import/Catalogue/Shizuoka bld import

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Goals

  • To import building outlines.

Schedule

  • Write OSM Wiki page in English and Japanese. / done
  • Make working account. / Named Shizuoka_bld_import
  • Discuss in Japanese community. / done
  • Discuss in Import ML.
  • then import.

Import Data

Target Area(Part of Shizuoka city)

Background

Data source site: provided from Shizuoka city
Data license: Shizuoka city local government promote open data sharing and download.
Type of license (if applicable): CC BY 4.0 and local government of Shizuoka city made permission to import data to OSM(ODbL).
Link to permission (if required): provided from Shizuoka city
OSM attribution (if required): http://wiki.openstreetmap.org/wiki/Contributors#yourdataprovider
ODbL Compliance verified: yes/no

OSM Data Files

Data creation year is 2014.

Import Type

This is a one-time import and will be done using manual efforts including using JOSM to validate the input.

Data Preparation

Data Reduction & Simplification

  • Source tags are given to changeset rather than earch object.

Tagging Plans

There are 2 attributes in the shapefile, but doesn't make the sense in OSM, so it isn't used.

Simply taged to building=yes.

Shizuoka city does not have building classification data.

Changeset Tags

source=Shizuoka city 
source_ref=http://wiki.openstreetmap.org/wiki/Import/Catalogue/Shizuoka_bld_import

Data Transformation

converted with ogr2osm script.

Data Transformation Results

.osm files are here. about 200MB.

List of divided .osm file and use to share progress.

Data Merge Workflow

Team Approach

Unless someone else steps up to assist with this project, I'll be going alone. 下り専門

References

List all factors that will be evaluated in the import.

Workflow

  • Workflow
  1. Devided the shapefile as 788 neighbourhood area. (done)
  2. Convert them as .osm file. (done)
  3. Run JOSM validation on each .osm file.
  4. Load .osm file to JOSM, and download raw data for target area.
  5. Conflate with existing data.
  • Changeset size policy

None, the most biggest file size is 4,732KB (7,728buildings / 53,343objects).

  • Revert plans

This import will be done by dedicated account "ShizuokaCity_bld_import".

So if some problems happen, I'll revert it's changeset one by one.

Conflation

Existing data has priority.

Will be checked by JOSM validation.

QA

Add your QA plan here.