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README.md

geoXtension for OpenRefine

This is an Extension for OpenRefine. This extension allows to:

  • Show you wkt objects on a map
  • Convert from one projection to another
  • Create WKT point from two columns (one stands for the latitude and one stands for the longitude).
  • Facet based on spatial reference:
    • by distance: given a selected point on the map and a column containing wkt object it shows the distance from each wkt point in the project from that point
    • by area: given selected areas on the map and a column containing wkt objects it shows the rows of the project that belong to that area and the rows that doesn't
    • by type: given a wkt columns it shows you the rows clusterized for the type

NOTE: this extension needs an internet connection.

INSTALLATION

  1. Download and Install GEOS(3.4.2)
  2. Download and Install Proj(4.8.0)
  3. Download and Install GDAL(1.11.0) with GEOS support
  4. Follow the steps at https://github.com/OpenRefine/OpenRefine/wiki/Installing-Extensions

USAGE

  1. Open or create a project
  2. Click the small triangle before the column name and choose geo extension
  3. Choose the interest operation

LICENSE

This extension is provided free of charge under the MIT license.