Try   HackMD

Mapping Local Spatial Knowledge with Pen & Paper

OpenStreetMap Philippines
2024 April, Iloilo City


Topics

  • OpenStreetMap
    • preview editing with RapiD
  • Field Papers
    • Using OpenAerialMap & drone imagery
  • Sketch Map Tool
  • Umap

Objective

Enable participants to collect local spatial knowledge that can be easily digitized using low-cost technologies.


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  • Erwin Olario
  • being OSM awesome since 2007 2012
  • 🤪 LoCo advocate : OSM-PH
  • OFW

Highlights

  • engage stakeholders with participatory mapping approach
  • record and visualize local spatial knowledge, perceptions and "stories"
    • on site, offline collection
  • no GIS or OSM experience required for end-users
  • useful when data is sparse or no baseline data is available
  • digitized data can be used for local vulnerability and capacity assessments

Maps

  • here we are (location)
  • where to go (places)
  • find interests (things)
  • how to get there (navigation)

  • what map do you use?
  • what can you find in your map?

OpenStreetMap (OSM)

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openstreetmap.org


OSM is awesome!

  • you're probably using it already
  • many brands uses OSM behind the hood

  • Facebook, Apple, Grab, Strava, Microsoft, Komoot, Amazon, Instagram, OrganicMaps
  • you!

Why OSM?


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Datasets and attributes available from OSM.


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The ODbL license is generous, and free.


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We have maps.


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The data is available


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Letting people to use it creatively


Let's go!


editing OSM on PCs

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bit.ly/osmph-rapideditor

RapiD is a fork of the popular iD, web-based OSM editor, with extra features like AI detections


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10 minutes, self-led exploration.


Save edits?
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  • OSM data is live data, so we won't save the data you've been playing with.

Nowhere to know where!

Real-life features on OSM are represented by

  • Points (nodes)
  • Lines (ways)
  • Areas (areas)
  • Tags (attributes)

Pen & Paper Mapping

  • Low-cost, low-tech
  • Minimal training
  • Fresh geodata!

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Data to …

  • Identify risk exposure by mapping who and what is most exposed to hazards and other threats and issues facing the community.
  • Show the different vulnerabilities, capacities and resources in the community and stimulate discussion.
  • Obtain general information for different sectors (livelihoods, health, and shelter, etc).

  • Analyse the links and patterns of risks in the community
  • Identify risk factors in the environment outside the immediate community boundaries

Field Papers


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Hands-on with FieldPapers

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fieldpapers.org


Choosing a background

OpenStreetMap vs Aerial imagery

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bit.ly/osmph-workshop-iloilo-drrmo


Choosing Paper sizes

  • ISO A4, A3 - individual, field work
  • ISO A2, A1 - participatory mapping activities

Aerial imagery from Drone

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OpenAerialMap.org


https://tiles.openaerialmap.org/635a00b05f1fd800066121da/0/635a00b05f1fd800066121db/{z}/{x}/{y}


Copy the TMS from OAM and paste in FP

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Activities

  • Divide into groups of 3-4 pax.
  • Create an Atlas
  • Print Distribute prepared print-out
  • Annotate/Role-play
  • Upload
  • Pretend edit. Do not save.

Q&A


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Break!


Call for volunteer, with OSM account

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pic4review.pavie.info/#/mission/2721


image


Sketch Map Tool (SMT)

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sketch-map-tool.heigit.org


A new alternative to FieldPapers, easy to create, but less options for advanced users (e.g. external tiles)


Workflow

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Create a Sketch Map

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  • Quality Check Report indicates "fitness" of the area for a sketch map. Without basic map data (roads, critical infrasture, landuse), it will be very hard for users to orient themselves with the map.
  • Sketch Map Template is the printable map you can use for your field work. It could be an OSM-based, or use a satellite image background.

smt-sample-map


SMT marked-up


simulated mapping



Annotation Exercise ("field mapping")

  • Distribute SMT print-out
  • Divide class into group of 15 pax
  • Simulate group discussion, annotate map with coloured pens, notes or stickers.
  • Take a photo of marked map and upload to SMT website

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image


Your upload will produce a digitized version of your marked-up mark ("geodata".)

  • Vector - georeferenced , rasterized image (geoTIFF) for further use with GIS software
  • Raster - vectorized polygons (GeoJSON) for further use in GIS software, or visualization.

Umap + GeoJSON for Visualization.


UMap

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umap.openstreetmap.fr/en


  1. Create a new map (no account needed)
  2. Import the GeoJSON from above
  3. Update basic attributes
  4. Share with your community

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u.osmfr.org/m/1048714/


Marking & Annotation Tips

  • Develop and share your marking strategy beforehand
    • What should be mapped?
    • How should it be mapped?
  • Use clear markings with intense colours and strong lines
    • Use legends
  • Mapping can be done in groups or individually
  • Do not mark the globes or the QR code

FP and SMT are not magic bullets, but they can foster community involvement, speed-up data collection, serve as a bridge into the formal DRR process, and ease usability of gained results.


  • Supports formalization and visualization of local knowledge
  • Makes analog spatial data available in digital format
  • Facilitates combination with other geodata

Q&A


Key Learnings

  • How would you like to use the SMT or FP?
  • How would it support your work?

QR
Deck is available here.


That's it, pancit!
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osm.org/wiki/PH