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util.php
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util.php
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<?php
function contains($bbox,$lon,$lat) {
if ($bbox[0] <= $lon && $bbox[1] <= $lat && $lon <= $bbox[2] && $lat <= $bbox[3]) {
return true;
}
return false;
}
function addToStack(&$metadata,$bbox,$lon,$lat,$provider,$o) {
if (contains($bbox,$lon,$lat)) {
$k = "$lon,$lat";
if (!array_key_exists($k,$metadata)) {
$metadata[$k] = Array();
}
if (!array_key_exists($provider,$metadata[$k])) {
$metadata[$k][$provider] = Array();
}
array_push($metadata[$k][$provider],$o);
}
}
function convertUnits($val,$uom,$toEnglish) {
$english_category = array(
'C' => 'temperature'
,'F' => 'temperature'
,'kelvin' => 'temperature'
,'m/s' => 'velocity'
,'m' => 'elevation'
);
if ($val == '') {
return Array(Array('val' => '','uom' => '','cat' => ''));
}
$a = Array();
if ($toEnglish) {
if ($uom == 'm/s') {
array_push($a,Array('val' => sprintf("%.02f",$val * 1.943844),'uom' => 'knots','cat' => $english_category[$uom]));
array_push($a,Array('val' => sprintf("%.02f",$val * 2.23693629),'uom' => 'mph','cat' => $english_category[$uom]));
}
else if ($uom == 'm') {
array_push($a,Array('val' => sprintf("%.02f",$val * 3.2808399),'uom' => 'ft','cat' => $english_category[$uom]));
}
else if ($uom == 'm below land surface') {
array_push($a,Array('val' => sprintf("%.02f",$val * 3.2808399),'uom' => 'ft below land surface','cat' => $english_category[$uom]));
}
else if ($uom == 'C') {
array_push($a,Array('val' => sprintf("%.02f",9/5*$val + 32),'uom' => 'F','cat' => $english_category[$uom]));
}
else if ($uom == 'mm') {
array_push($a,Array('val' => sprintf("%.02f",$val * 0.0393700787),'uom' => 'in','cat' => $english_category[$uom]));
}
else if ($uom == 'kelvin') {
array_push($a,Array('val' => sprintf("%.02f",($val - 272.15) * 9 / 5 + 32),'uom' => 'F','cat' => $english_category[$uom]));
}
else if ($uom == 'bar') {
array_push($a,Array('val' => sprintf("%.02f",$val / 1000),'uom' => 'hPa','cat' => $english_category[$uom]));
}
else {
return Array(Array('val' => $val,'uom' => $uom,'cat' => $english_category[$uom]));
}
}
else {
return Array(Array('val' => $val,'uom' => $uom,'cat' => $english_category[$uom]));
}
return $a;
}
function makeMks($val,$uom) {
if ($val == '') {
return Array('val' => '','uom' => '');
}
if ($uom == 'in') {
return Array('val' => sprintf("%.02f",$val * 0.0254),'uom' => 'm');
}
else if ($uom == 'ft') {
return Array('val' => sprintf("%.02f",$val * 0.3048),'uom' => 'm');
}
else if ($uom == 'ft below land surface') {
return Array('val' => sprintf("%.02f",$val * 0.3048),'uom' => 'm below land surface');
}
else if ($uom == 'ft/s') {
return Array('val' => sprintf("%.02f",$val * 0.3048),'uom' => 'm/s');
}
return Array('val' => $val,'uom' => $uom);
}
function underscoreCaps($s) {
$a = Array();
foreach (explode('_',$s) as $p) {
array_push($a,ucfirst($p));
}
return implode('',$a);
}
function nerrsUnits($p) {
if ($p == 'Temp') {
return 'C';
}
else if ($p == 'SpCond') {
return 'mS/cm';
}
else if ($p == 'Sal') {
return 'ppt';
}
else if ($p == 'DO_pct') {
return 'percent';
}
else if ($p == 'DO_mgl') {
return 'mg/L';
}
else if ($p == 'Depth') {
return 'm';
}
else if ($p == 'cDepth') {
return 'm';
}
else if ($p == 'Level') {
return 'm';
}
else if ($p == 'cLevel') {
return 'm';
}
else if ($p == 'pH') {
return '';
}
else if ($p == 'Turb') {
return 'NTU';
}
else if ($p == 'ChlFluor') {
return 'ug/L';
}
else if ($p == 'ATemp') {
return 'C';
}
else if ($p == 'RH') {
return 'percent';
}
else if ($p == 'BP') {
return 'mb';
}
else if ($p == 'WSpd') {
return 'm/s';
}
else if ($p == 'MaxWSpd') {
return 'm/s';
}
else if ($p == 'MaxWSpdT') {
return 'm/s';
}
else if ($p == 'Wdir') {
return 'degrees';
}
else if ($p == 'SDWDir') {
return 'sd';
}
else if ($p == 'TotPAR') {
return 'mmol/m^2';
}
else if ($p == 'TotPrcp') {
return 'mm';
}
else if ($p == 'CumPrcp') {
return 'mm';
}
else if ($p == 'TotSoRad') {
return 'watts/m^2';
}
else if ($p == 'PO4F') {
return 'mg/L';
}
else if ($p == 'NH4F') {
return 'mg/L';
}
else if ($p == 'NO2F') {
return 'mg/L';
}
else if ($p == 'NO3F') {
return 'mg/L';
}
else if ($p == 'NO23F') {
return 'mg/L';
}
else if ($p == 'CHLA_N') {
return 'ug/L';
}
return '';
}
?>