/**
* Return the health z-values for the selected city and its average
* @param string $cityName name of the selected city
* @return array $cityValues it contains the z-values and a z-values average
*/
public function healthDomain($cityName)
{
if (isset($cityName)) {
if (strcmp($cityName, '') != 0) {
$health = new HealthController();
$sewage = new EnvironmentController();
//Get the z-value for other water supply
$waterSupplyOther = $health->waterSupplyOther();
//Get the z-value for well or spring source
$wellSpring = $health->wellSpring();
//Get the z-value for public water supply
$publicWaterSupply = $health->publicWaterSupply();
//Get the z-value for drainage Ditch
$drainageDitch = $sewage->drainageDitch();
//Get the z-value for river, lake and sea sewerage disposal
$riverLakeDisposal = $sewage->river_lake_sea_sewerageDisposal();
//Get the z-value for river, lake and sea sewerage disposal
$septicTank = $sewage->septicTank();
$cityHealthInfo = array("Abastecimento de Água - Outros" => $waterSupplyOther[$cityName], "Abastecimento de Água - Poço ou Nascente" => $wellSpring[$cityName], "Abastecimento de Água - Rede Geral" => $publicWaterSupply[$cityName], "Esgotamento Sanitário - Vala" => $drainageDitch[$cityName], "Esgotamento Sanitário - Fossa Séptica" => $septicTank[$cityName], "Esgotamento Sanitário - Rio, lago ou mar" => $riverLakeDisposal[$cityName]);
$cityHealthValues = CityProfileController::mergeAverage($cityHealthInfo);
return $cityHealthValues;
}
}
return 0;
}
/**
* It will calculate the average of the z-values for Health
* @return return the average of z-values by key field of each city
*/
public function healthKeyField()
{
$health = new HealthController();
$sewage = new EnvironmentController();
//Get the z-value for other water supply
$waterSupplyOther = $health->waterSupplyOther();
$waterSupplyOtherInverted = array_map(array($this, "addImpact"), $waterSupplyOther);
//Get the z-value for well or spring source
$wellSpring = $health->wellSpring();
$wellSpringInverted = array_map(array($this, "addImpact"), $wellSpring);
//Get the z-value for public water supply
$publicWaterSupply = $health->publicWaterSupply();
//Get the z-value for drainage Ditch
$drainageDitch = $sewage->drainageDitch();
$drainageDitchInverted = array_map(array($this, "addImpact"), $drainageDitch);
//Get the z-value for river, lake and sea sewerage disposal
$riverLakeDisposal = $sewage->river_lake_sea_sewerageDisposal();
$riverLakeDisposalInverted = array_map(array($this, "addImpact"), $riverLakeDisposal);
//Get the z-value for river, lake and sea sewerage disposal
$septicTank = $sewage->septicTank();
//sum z-values
$sumZvalues = array_map(array($this, "sumCityValues"), $waterSupplyOtherInverted, $wellSpringInverted, $publicWaterSupply, $drainageDitchInverted, $riverLakeDisposalInverted, $septicTank);
//Divide the sum of z-values to obtain the z-values average of each city
$zValuesAvg = array_map(array($this, "divideKeyFields"), $sumZvalues, array_fill(0, count($sumZvalues), 6));
//combine the array keys(cities'name) with the average of z-values gotten
$zValuesAvg = array_combine(array_keys($septicTank), array_values($zValuesAvg));
return $zValuesAvg;
}