An interactive map that visualizes how much of the world you've already explored
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README.md

Travel Score

An interactive map that visualizes how much of the world you've already explored
A project by Patrick Stotz. Published in 03/2014 on mappable.info

Idea

The basic idea behind the map is quite simple. It divides the earth into graticular blocks with a width of 2x2 degrees. By selecting those cells that you've already visited the application calculates:

  • how many of the earth's 197 countries you've visited
  • the share of the world's population that lives in the selected areas
  • the share of the earth's land surface that lies inside the selected cells

The overall travel score is the mean of these three numbers.

Data Sources

To build this map the following geographic data sets have been used:

State boundaries by Natural Earth - 1:50m Cultural Vectors - 197 souvereign states, v. 2.0.0 (2012) - link

Place labels by Natural Earth - 1:110m Cultural Vectors - Populated places, v. 2.0.0 (2012) - link

Population data by CIESIN at Columbia University - Population Count Grid Future Estimates, v3 (2010) - link

Land area data by CIESIN at Columbia University - Land and Geographic Unit Area Grids, v3 (1990, 1995, 2000, 2005, 2010, 2015) - link

Realization

I performed a number of geoprocessing steps in QGIS to generate a graticular vector grid with information on state boundaries, population and land area. The resulting data set is the main input for the interactive visualization which is written in D3/Javascript.

For a more detailed description of the project take a look at our homepage: mappable.info/projects/travel-score/

A full-sized, interactive view of Travel Score can be found here

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