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minor reformatting

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rolux 2012-05-30 15:18:26 +02:00
parent 9269b96469
commit 6c44f683d6
1 changed files with 13 additions and 12 deletions
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examples/cities/js/example.js
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@ -28,18 +28,19 @@ Ox.load({UI: {showScreen: true}, Geo: {}}, function() {
*/ */
cities = cities.map(function(data, id) { cities = cities.map(function(data, id) {
/* /*
First of all, we have to patch this data, so that it becomes more useful First of all, we have to patch this data, so that it becomes more
both for the list and the map. Ox.getCountryByCode gives us the names of useful both for the list and the map. Ox.getCountryByCode gives us
the country, region and continent. For the map, we need a geoname, and the names of the country, region and continent. For the map, we need
the cities have to be rectangular areas, not just points. So we set the a geoname, and the cities have to be rectangular areas, not just
area to 100 square meters per inhabitant, which will turn out to be points. So we set the area to 100 square meters per inhabitant,
relatively realistic. Then we calculate how large the resulting square which will turn out to be relatively realistic. Then we calculate
will be, in degrees. (The number of degrees from west to east depends on how large the resulting square will be, in degrees. (The number of
the city's proximity to the equator. OxJS has some utility functions degrees from west to east depends on the city's proximity to the
built in that make this easy to compute.) Finally, we can set the values equator. OxJS has some utility functions built in that make this
for south, north, west and east. A nice side effect of deriving the size easy to compute.) Finally, we can set the values for south, north,
of the city from its population is that the map, which will always show west and east. A nice side effect of deriving the size of the city
the largest places in the visible area, will now show the most populated from its population is that the map, which will always show the
largest places in the visible area, will now show the most populated
cities. cities.
*/ */
var area = Math.max(data.population, 1) * 100, var area = Math.max(data.population, 1) * 100,