Created
September 6, 2014 20:23
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Geocoding using Apps Script APIs
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var sheet = SpreadsheetApp.openById(sheetID).getSheetByName("Responses"); | |
var rowConfig = "timestamp name location favorite note lifespan season contact lat lng city zone approve feature".split(" "); | |
function getCol(row, param) { | |
return row[rowConfig.indexOf(param)]; | |
} | |
function setCol(row, param, value) { | |
row[rowConfig.indexOf(param)] = value; | |
} | |
function buildAddress(result) { | |
var address = {}; | |
result.address_components.forEach(function(c) { | |
var key = c.types[0]; | |
var val = c.long_name; | |
address[key] = val; | |
}); | |
return address; | |
} | |
function backfillGeocoding(start) { | |
start = start || 0; | |
var last = sheet.getLastRow(); | |
var geocoder = Maps.newGeocoder(); | |
for (var i = start; i <= last; i++) { | |
var range = sheet.getRange(i, 1, 1, rowConfig.length) | |
var row = range.getValues()[0]; | |
var zone = getCol(row, "zone"); | |
if (!zone) { | |
Logger.log("missing zone for row #" + i + JSON.stringify(row)); | |
//continue; | |
var lat = getCol(row, "lat"); | |
var lng = getCol(row, "lng"); | |
var location = getCol(row, "location"); | |
var coded; | |
var address; | |
if (lat) { | |
coded = geocoder.reverseGeocode(lat, lng).results.shift(); | |
} else if (location != "Location found" && location != "Finding your location...") { | |
coded = geocoder.geocode(location).results.shift(); | |
} | |
var address = buildAddress(coded); | |
if (!lat) { | |
setCol(row, "lat", coded.geometry.location.lat); | |
setCol(row, "lng", coded.geometry.location.lng); | |
} | |
if (address.locality) setCol(row, "city", address.locality); | |
setCol(row, "zone", address.country == "United States" ? address.administrative_area_level_1 : address.country); | |
Logger.log(row); | |
range.setValues([row]); | |
//return; | |
} | |
} | |
} | |
function run() { | |
backfillGeocoding(1260); | |
} |
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