message_die(GENERAL_ERROR, "Can't check if a local place exists for the following location: " . $this->data[0], "GeoLocation exists method", __LINE__, __FILE__);
}
if (!$place->is_valid_local_location($this->data[1])) {
return false;
}
}
return true;
}
/**
* Checks if the place is equals at the specified expression or place
*
* @return bool true if the places are equals ; otherwise, false.
*
* @todo Create a better set of rules to define when 2 locations are equall.
*/
function equals ($expression) {
//Are global location equals?
//TODO: create a better set of rules to define when 2 locations are equa l.
if (is_a($expression, 'GeoLocation')) {
if (!$this->equals($expression->data[0])) {
return false;
}
if (count($expression->data) + count($this->data) > 2) {
* Gets the (ρ, φ, θ) spherical coordinates from the current x, y, z cartesian point
*
* The algo used is from http://fr.wikipedia.org/wiki/Coordonn%C3%A9es_sph%C3%A9riques#Relation_avec_les_autres_syst.C3.A8mes_de_coordonn.C3.A9es_usuels
*
* @return array an array of 3 floats number, representing the (ρ, φ, θ) spherical coordinates