#145 - [ON HOLD] Ontario Building Import

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Import building outlines from the Statistics Canada open building database. See the OSM Wiki for more details about the broader building outline import.


Created by DannyMcD - Updated - Priority: medium

  Instructions

Entities to Map
buildings
Changeset Comment
#Ontario Building Import - https://wiki.openstreetmap.org/wiki/WikiProject_Canada/Canada_Stats_Canada_Building_Outlines_Import/Plan
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".

  1. Select and open a task in JOSM. If it's too big (i.e. too much work or request is too big to load in JOSM) - go back and split the task into smaller ones.

  2. Apply an inverse building=* filter to remove any non-building data( Windows -> Filter; On the filter window press add; Type building=*; Press submit filter; In the filter window click the checkbox in the I column). Another useful filter is type:node that removes all nodes leaving only building outlines to work with.

  3. Load building outlines for your task - see link under the Contribute Tab. Merge that buildings layer to the OSM layer.

  4. Check for any existing buildings that might create conflicts (keep existing, merge tags or only update building footprint). Using the replace geometry tool can be very useful to retain the full history of the feature and OSM attributes. Aerial imagery can be helpful for this - Esri World Imagery and sometimes Bing usually work best.

  5. Classify buildings with appropriate OSM building tags. Most common tags you'll encounter:

    • building=detached - single detached home,
    • building=semi - semidetached houses,
    • building=terrace - 3+ homes attached together,
    • building=apartment - multi-storey apartment buildings,
    • building=house - other residential houses,
    • building=school - school,
    • building=garage - garage,
    • building=industrial, building=commercial, building=retail when possible.
    • If not sure which tag to use - leave building=yes
  6. Select All (Ctrl-A) and execute Validation. Do your best to fix any errors and building-related warnings.

  7. Upload changes to OSM with source = "Statistics Canada - Open Building Database"

  Start contributing

Contributors Done Assigned