EUthmappers HANDBOOK
  • WELCOME TO EUTHMAPPERS HANDBOOK!
    • ACKNOWLEDGEMENT
    • FOREWORD
    • OVERVIEW
      • CHAPTER I: Introduction to Mapping and Geospatial Concepts
      • CHAPTER II: Community Mapping & OpenStreetMap and UN Mappers
      • CHAPTER III: Mapathon - Mapping Workshop
      • CHAPTER IV: Open Field Mapping Activities Addressed to Climate Change Challenges
      • CHAPTER V: How to Clean & Validate Data?
      • CHAPTER VI: Preparation for Pupil–led Local Mapping Projects
  • CHAPTER I
    • Introduction to Mapping and Geospatial Concepts
      • Why Mapping and Geospatial Concepts?
      • Fundamentals of Data Processing
      • Geospatial Data: Towards Understanding Geodata and GIS
      • Open Source Philosophy: Towards Open Mapping
        • Open Source Software
        • Open Data Concept
        • Open Mapping
      • Summary
      • References
  • CHAPTER II
    • Community Mapping & OpenStreetMap and UN Mappers
      • Citizen Science and Volunteered Geographic Information
      • OpenStreetMap
        • OpenStreetMap Interface
        • OpenStreetMap Geometric Model
        • OpenStreetMap Semantic Model (tags)
        • OpenStreetMap features evolution in time
        • UN Mappers
      • References
  • CHAPTER III
    • Mapathon - Mapping Workshop
      • Introducing Mapathon
      • Mapping workshop
        • OpenStreetMap account
        • Walk around humanitarian mapping platform TeachOSM
        • Mapping a task
        • Let´s start mapping
  • CHAPTER IV
    • Open Field Mapping Activities Addressed to Climate Change Challenges
      • Climate Change Geospatial Data and OSM
      • What to map in the field?
      • Common Smartphone Mapping Tools for Open Field Mapping
      • Exercise: Mapping Local Climate Risks with a Focus on Tree Mapping
        • First step: Conducting a Mapathon with TeachOSM for Tree Mapping
        • Second step: Field mapping with MapComplete
        • Example of common Tags when it comes to the trees mapping
      • References
  • CHAPTER V
    • How to Clean & Validate Data?
      • Validation Process
      • Other Validation Tools
  • CHAPTER VI
    • Preparation for Pupil–led Local Mapping Projects
      • Step 1. Starting point: A first look at our school context
      • Step 2. Challenges design
      • Step 3. Further preparatory work
      • References
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  1. CHAPTER V
  2. How to Clean & Validate Data?

Other Validation Tools

PreviousValidation ProcessNextPreparation for Pupil–led Local Mapping Projects

Last updated 2 years ago

Normally, the same editor is used for validation as for mapping, but it is of course also possible to use more refined editors such as JOSM (JavaOpenStreetMap). This is a non-online editor, so you need to download the data locally, and it is a refined editor because it has the structure of a GIS capable of handling layers of data

Another useful tool is OSMCHA (OpenStreetMap Changeset Analyser), a web tool to help visualize and analyze edits made by mappers. OSMCHA allows detailed views of individual user operations and is very effective on organized projects (). In this case the process is the so-called a ‘Stage 2’ validation, related to town or city scale, covering the full area of the project (Fig. 8).

Finally, also of note is OSMOSE, which is used for automatic error detection on large datasets. ().

As mentioned at the beginning of the paragraph, the final map must be correct in order to be used, so, especially in humanitarian projects, during validation errors must be detected and corrected. However, it is necessary to emphasize that, for a teaching purpose, during validation more than correcting one should push the mappers to correct themselves so that they become aware of the overall work.

In OpenStreetmap Wiki () the instructions step by step, for different categories, are reported, including the hints for the messages accompanying the validation operation.

https://wiki.openstreetmap.org/wiki/Tasking_Manager/Validating_data
(https://josm.openstreetmap.de/).
https://osmcha.org/
https://wiki.openstreetmap.org/wiki/Osmose
Fig. 8: OSMCha is a useful tool for assessing the quality of changes made by many users and correcting any errors.