function getlocations_normalizelng in Get Locations 7

Same name and namespace in other branches

1. 7.2 getlocations.module \getlocations_normalizelng()

Normalizes a longitude to the [-180,180] range. Longitudes above 180 or below -180 are wrapped.

@type Number

Parameters

{Number} lng The longitude to normalize, in degrees.:

Return value

Returns the longitude, fit within the [-180,180] range.

3 calls to getlocations_normalizelng()

getlocations_fields_handler_argument_bbox::_convert_bbox_coords in modules/getlocations_fields/handlers/getlocations_fields_handler_argument_bbox.inc

Split BBOX string into {left, bottom, right, top}

getlocations_fields_save_locations in modules/getlocations_fields/getlocations_fields.module

getlocations_latlon_check in ./getlocations.module

Function to check a lat,lon string

File

./getlocations.module, line 6498

getlocations.module @author Bob Hutchinson http://drupal.org/user/52366 @copyright GNU GPL

Code

function getlocations_normalizelng($lng) {
  if ($lng % 360 == 180) {
    return 180;
  }
  while ($lng > 180) {
    $lng -= 360;
  }
  while ($lng < -180) {
    $lng += 360;
  }
  return $lng;
}