[tsp_geocode]

Description

This is a quick'n'dirty tag to retrieve coordinate data using the free service at geocoder.us. Per their terms of service, it is free for non-commercial use. Returns a map containing the components of the street address along with longitude and latitude. Returns null if the address could not be found. Only works with US addresses.

Sample Usage

var('address') = '1815 Griffin Road, Dania Beach, FL  33004';
var('coordinates') = tsp_geocode($address);

if($coordinates->size);
	'Latitude: ' + $coordinates->find('latitude') + '
\n';
	'Longitude: ' + $coordinates->find('longitude') + '
\n';
	'Street: ' + $coordinates->find('street') + '
\n';
	'City: ' + $coordinates->find('city') + '
\n';
	'State: ' + $coordinates->find('state') + '
\n';
	'Zip: ' + $coordinates->find('zip') + '
\n';
/if;

Source Code

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define_tag(
	'geocode',
	-namespace='tsp_',
	-required='address',
	-priority='replace',
	-description='Looks up the given address at geocoder.us.'
);
	local('url' = 'http://rpc.geocoder.us/service/csv');
	local('getparams') = array(
		'address' = #address
	);
	
	local('response') = include_url(
		#url,
		-getparams=#getparams
	);
	
	#response >> 'sorry' ? return;
	
	local('out' = map);
	
	local('fields') = array(
		'latitude',
		'longitude',
		'street',
		'city',
		'state',
		'zip'
	);
	
	iterate(#response->split(','), local('i'));
		#out->insert(#fields->get(loop_count) = (loop_count < 3 ? decimal(#i) | #i));
	/iterate;
	
	return(#out);
/define_tag;

Related Tags

• google_geocode
• lp_math_GPSdistance
• lp_math_GPSradius
• tsp_getcosts
• tsp_getdistance
• tsp_gettour
• yahoo_geocode

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