| author | Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr> |
| Tue, 15 Apr 2014 17:46:09 +0200 | |
| changeset 48 | 1b2dffb4ac2b |
| parent 47 | c0b4a8b5a012 |
| permissions | -rw-r--r-- |
|
47
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
1 |
## World Boundaries |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
2 |
|
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
3 |
These are derived from the public domain [Natural Earth](http://www.naturalearthdata.com/downloads/) cultural vector files, 110m resolution. Then, ogr2ogr was used to convert to GeoJSON. Lastly, the data was cleaned up slightly, removing extra properties and a degenerate edge from Antarctica. |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
4 |
|
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
5 |
collection.features.forEach(function(d, i) { |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
6 |
d.id = d.properties.ISO_A3; |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
7 |
d.properties = {name: d.properties.SOVEREIGNT}; |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
8 |
}); |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
9 |
|
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
10 |
## United States Boundaries |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
11 |
|
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
12 |
These are derived from the cartographic boundary files from the 2000 [U.S. Census](http://www.census.gov/geo/www/cob/bdy_files.html |
|
c0b4a8b5a012
add toolkit.html + démonstrateurs
Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff
changeset
|
13 |
). Then, MapShaper was used to simplify the geometry, and ogr2ogr to convert the shapefiles to GeoJSON. Some additional work was done to preserve the FIPS codes, which are dropped from the shapefiles by MapShaper. |