mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-28 07:24:09 +03:00
228 lines
8.2 KiB
PHP
228 lines
8.2 KiB
PHP
<?php
|
||
|
||
function fail($sError, $sUserError = false)
|
||
{
|
||
if (!$sUserError) $sUserError = $sError;
|
||
error_log('ERROR: '.$sError);
|
||
echo $sUserError."\n";
|
||
exit(-1);
|
||
}
|
||
|
||
|
||
function getProcessorCount()
|
||
{
|
||
$sCPU = file_get_contents('/proc/cpuinfo');
|
||
preg_match_all('#processor\s+: [0-9]+#', $sCPU, $aMatches);
|
||
return count($aMatches[0]);
|
||
}
|
||
|
||
|
||
function getTotalMemoryMB()
|
||
{
|
||
$sCPU = file_get_contents('/proc/meminfo');
|
||
preg_match('#MemTotal: +([0-9]+) kB#', $sCPU, $aMatches);
|
||
return (int)($aMatches[1]/1024);
|
||
}
|
||
|
||
|
||
function getCacheMemoryMB()
|
||
{
|
||
$sCPU = file_get_contents('/proc/meminfo');
|
||
preg_match('#Cached: +([0-9]+) kB#', $sCPU, $aMatches);
|
||
return (int)($aMatches[1]/1024);
|
||
}
|
||
|
||
function getDatabaseDate(&$oDB)
|
||
{
|
||
// Find the newest node in the DB
|
||
$iLastOSMID = $oDB->getOne("select max(osm_id) from place where osm_type = 'N'");
|
||
// Lookup the timestamp that node was created
|
||
$sLastNodeURL = 'https://www.openstreetmap.org/api/0.6/node/'.$iLastOSMID.'/1';
|
||
$sLastNodeXML = file_get_contents($sLastNodeURL);
|
||
|
||
if ($sLastNodeXML === false) {
|
||
return false;
|
||
}
|
||
|
||
preg_match('#timestamp="(([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z)"#', $sLastNodeXML, $aLastNodeDate);
|
||
|
||
return $aLastNodeDate[1];
|
||
}
|
||
|
||
|
||
function byImportance($a, $b)
|
||
{
|
||
if ($a['importance'] != $b['importance'])
|
||
return ($a['importance'] > $b['importance']?-1:1);
|
||
|
||
return ($a['foundorder'] < $b['foundorder']?-1:1);
|
||
}
|
||
|
||
|
||
function javascript_renderData($xVal, $iOptions = 0)
|
||
{
|
||
$iOptions |= JSON_UNESCAPED_UNICODE;
|
||
if (isset($_GET['pretty']) && in_array(strtolower($_GET['pretty']), array('1', 'true'))) {
|
||
$iOptions |= JSON_PRETTY_PRINT;
|
||
}
|
||
|
||
$jsonout = json_encode($xVal, $iOptions);
|
||
|
||
if (!isset($_GET['json_callback'])) {
|
||
header('Content-Type: application/json; charset=UTF-8');
|
||
echo $jsonout;
|
||
} else {
|
||
if (preg_match('/^[$_\p{L}][$_\p{L}\p{Nd}.[\]]*$/u', $_GET['json_callback'])) {
|
||
header('Content-Type: application/javascript; charset=UTF-8');
|
||
echo $_GET['json_callback'].'('.$jsonout.')';
|
||
} else {
|
||
header('HTTP/1.0 400 Bad Request');
|
||
}
|
||
}
|
||
}
|
||
|
||
function addQuotes($s)
|
||
{
|
||
return "'".$s."'";
|
||
}
|
||
|
||
function parseLatLon($sQuery)
|
||
{
|
||
$sFound = null;
|
||
$fQueryLat = null;
|
||
$fQueryLon = null;
|
||
|
||
if (preg_match('/\\s*([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*\\s*/', $sQuery, $aData)) {
|
||
/* 1 2 3 4 5 6
|
||
* degrees decimal minutes
|
||
* N 40 26.767, W 79 58.933
|
||
* N 40°26.767′, W 79°58.933′
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
|
||
$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
|
||
} elseif (preg_match('/\\s*([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\s*/', $sQuery, $aData)) {
|
||
/* 1 2 3 4 5 6
|
||
* degrees decimal minutes
|
||
* 40 26.767 N, 79 58.933 W
|
||
* 40° 26.767′ N 79° 58.933′ W
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
|
||
$fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
|
||
} elseif (preg_match('/\\s*([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\s*/', $sQuery, $aData)) {
|
||
/* 1 2 3 4 5 6 7 8
|
||
* degrees decimal seconds
|
||
* N 40 26 46 W 79 58 56
|
||
* N 40° 26′ 46″, W 79° 58′ 56″
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
|
||
$fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
|
||
} elseif (preg_match('/\\s*([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+[0-9.]*)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+[0-9.]*)[″" ]+([EW])\\s*/', $sQuery, $aData)) {
|
||
/* 1 2 3 4 5 6 7 8
|
||
* degrees decimal seconds
|
||
* 40 26 46 N 79 58 56 W
|
||
* 40° 26′ 46″ N, 79° 58′ 56″ W
|
||
* 40° 26′ 46.78″ N, 79° 58′ 56.89″ W
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
|
||
$fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
|
||
} elseif (preg_match('/\\s*([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\s*/', $sQuery, $aData)) {
|
||
/* 1 2 3 4
|
||
* degrees decimal
|
||
* N 40.446° W 79.982°
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
|
||
$fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
|
||
} elseif (preg_match('/\\s*([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\s*/', $sQuery, $aData)) {
|
||
/* 1 2 3 4
|
||
* degrees decimal
|
||
* 40.446° N 79.982° W
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
|
||
$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
|
||
} elseif (preg_match('/(\\s*\\[|^\\s*|\\s*)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]\\s*|\\s*$|\\s*)/', $sQuery, $aData)) {
|
||
/* 1 2 3 4
|
||
* degrees decimal
|
||
* 12.34, 56.78
|
||
* 12.34 56.78
|
||
* [12.456,-78.90]
|
||
*/
|
||
$sFound = $aData[0];
|
||
$fQueryLat = $aData[2];
|
||
$fQueryLon = $aData[3];
|
||
} else {
|
||
return false;
|
||
}
|
||
|
||
return array($sFound, $fQueryLat, $fQueryLon);
|
||
}
|
||
|
||
|
||
function geometryText2Points($geometry_as_text, $fRadius)
|
||
{
|
||
$aPolyPoints = null;
|
||
if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch)) {
|
||
//
|
||
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
|
||
//
|
||
} elseif (preg_match('#LINESTRING\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch)) {
|
||
//
|
||
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
|
||
//
|
||
} elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch)) {
|
||
//
|
||
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
|
||
//
|
||
} elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#', $geometry_as_text, $aMatch)) {
|
||
//
|
||
$aPolyPoints = createPointsAroundCenter($aMatch[1], $aMatch[2], $fRadius);
|
||
//
|
||
}
|
||
|
||
if (isset($aPolyPoints)) {
|
||
$aResultPoints = array();
|
||
foreach ($aPolyPoints as $aPoint) {
|
||
$aResultPoints[] = array($aPoint[1], $aPoint[2]);
|
||
}
|
||
return $aResultPoints;
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
function createPointsAroundCenter($fLon, $fLat, $fRadius)
|
||
{
|
||
$iSteps = max(8, min(100, ($fRadius * 40000)^2));
|
||
$fStepSize = (2*pi())/$iSteps;
|
||
$aPolyPoints = array();
|
||
for ($f = 0; $f < 2*pi(); $f += $fStepSize) {
|
||
$aPolyPoints[] = array('', $fLon+($fRadius*sin($f)), $fLat+($fRadius*cos($f)) );
|
||
}
|
||
return $aPolyPoints;
|
||
}
|
||
|
||
function closestHouseNumber($aRow)
|
||
{
|
||
$fHouse = $aRow['startnumber']
|
||
+ ($aRow['endnumber'] - $aRow['startnumber']) * $aRow['fraction'];
|
||
|
||
switch ($aRow['interpolationtype']) {
|
||
case 'odd':
|
||
$iHn = (int)($fHouse/2) * 2 + 1;
|
||
break;
|
||
case 'even':
|
||
$iHn = (int)(round($fHouse/2)) * 2;
|
||
break;
|
||
default:
|
||
$iHn = (int)(round($fHouse));
|
||
break;
|
||
}
|
||
|
||
return max(min($aRow['endnumber'], $iHn), $aRow['startnumber']);
|
||
}
|