]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/lib.php
Merge pull request #425 from lonvia/disable-aux-tables
[nominatim.git] / lib / lib.php
index 9611c47be7f663de7177b3efba40da6fb393ba1e..75e72b4ce6b741d053d0241d6bf71ed3872d90ac 100644 (file)
        }
 
 
-       function getBlockingProcesses()
-       {
-               $sStats = file_get_contents('/proc/stat');
-               if (preg_match('/procs_blocked ([0-9]+)/i', $sStats, $aMatches))
-               {
-                       return (int)$aMatches[1];
-               }
-               return 0;
-       }
-
-
        function getLoadAverage()
        {
                $sLoadAverage = file_get_contents('/proc/loadavg');
@@ -77,7 +66,7 @@
        function getProcessorCount()
        {
                $sCPU = file_get_contents('/proc/cpuinfo');
-               preg_match_all('#processor  : [0-9]+#', $sCPU, $aMatches);
+               preg_match_all('#processor\s+: [0-9]+#', $sCPU, $aMatches);
                return sizeof($aMatches[0]);
        }
 
        {
                if ($a['importance'] != $b['importance'])
                        return ($a['importance'] > $b['importance']?-1:1);
-               /*
-                  if ($a['aPointPolygon']['numfeatures'] != $b['aPointPolygon']['numfeatures'])
-                  return ($a['aPointPolygon']['numfeatures'] > $b['aPointPolygon']['numfeatures']?-1:1);
-                  if ($a['aPointPolygon']['area'] != $b['aPointPolygon']['area'])
-                  return ($a['aPointPolygon']['area'] > $b['aPointPolygon']['area']?-1:1);
-               //      if ($a['levenshtein'] != $b['levenshtein'])
-               //          return ($a['levenshtein'] < $b['levenshtein']?-1:1);
-               if ($a['rank_search'] != $b['rank_search'])
-               return ($a['rank_search'] < $b['rank_search']?-1:1);
-                */
+
                return ($a['foundorder'] < $b['foundorder']?-1:1);
        }
 
                        {
                                $aTokens[' '.$sWord] = ' '.$sWord;
                                $aTokens[$sWord] = $sWord;
-                               //if (!strpos($sWord,' ')) $aTokens[$sWord] = $sWord;
                        }
                }
                return $aTokens;
           GB Postcode functions
         */
 
-       function gbPostcodeAlphaDifference($s1, $s2)
-       {
-               $aValues = array(
-                               'A'=>0,
-                               'B'=>1,
-                               'D'=>2,
-                               'E'=>3,
-                               'F'=>4,
-                               'G'=>5,
-                               'H'=>6,
-                               'J'=>7,
-                               'L'=>8,
-                               'N'=>9,
-                               'O'=>10,
-                               'P'=>11,
-                               'Q'=>12,
-                               'R'=>13,
-                               'S'=>14,
-                               'T'=>15,
-                               'U'=>16,
-                               'W'=>17,
-                               'X'=>18,
-                               'Y'=>19,
-                               'Z'=>20);
-               return abs(($aValues[$s1[0]]*21+$aValues[$s1[1]]) - ($aValues[$s2[0]]*21+$aValues[$s2[1]]));
-       }
-
-
        function gbPostcodeCalculate($sPostcode, $sPostcodeSector, $sPostcodeEnd, &$oDB)
        {
                // Try an exact match on the gb_postcode table
        }
 
 
-       function usPostcodeCalculate($sPostcode, &$oDB)
-       {
-               $iZipcode = (int)$sPostcode;
-
-               // Try an exact match on the us_zippostcode table
-               $sSQL = 'select zipcode, ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from us_zipcode where zipcode = '.$iZipcode;
-               $aNearPostcodes = $oDB->getAll($sSQL);
-               if (PEAR::IsError($aNearPostcodes))
-               {
-                       var_dump($sSQL, $aNearPostcodes);
-                       exit;
-               }
-
-               if (!sizeof($aNearPostcodes))
-               {
-                       $sSQL = 'select zipcode,ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from us_zipcode where zipcode between '.($iZipcode-100).' and '.($iZipcode+100).' order by abs(zipcode - '.$iZipcode.') asc limit 5';
-                       $aNearPostcodes = $oDB->getAll($sSQL);
-                       if (PEAR::IsError($aNearPostcodes))
-                       {
-                               var_dump($sSQL, $aNearPostcodes);
-                               exit;
-                       }
-               }
-
-               if (!sizeof($aNearPostcodes))
-               {
-                       return false;
-               }
-
-               $fTotalLat = 0;
-               $fTotalLon = 0;
-               $fTotalFac = 0;
-               foreach($aNearPostcodes as $aPostcode)
-               {
-                       $iDiff = abs($aPostcode['zipcode'] - $iZipcode) + 1;
-                       if ($iDiff == 0)
-                               $fFac = 1;
-                       else
-                               $fFac = 1/($iDiff*$iDiff);
-
-                       $fTotalFac += $fFac;
-                       $fTotalLat += $aPostcode['lat'] * $fFac;
-                       $fTotalLon += $aPostcode['lon'] * $fFac;
-               }
-               if ($fTotalFac)
-               {
-                       $fLat = $fTotalLat / $fTotalFac;
-                       $fLon = $fTotalLon / $fTotalFac;
-                       return array(array('lat' => $fLat, 'lon' => $fLon, 'radius' => 0.2));
-               }
-               return false;
-
-               /*
-                  $fTotalFac is a surprisingly good indicator of accuracy
-                  $iZoom = 18 + round(log($fTotalFac,32));
-                  $iZoom = max(13,min(18,$iZoom));
-                */
-       }
-
-
        function getClassTypes()
        {
                return array(
                return $aOrders;
        }
 
+       function getResultDiameter($aResult)
+       {
+               $aClassType = getClassTypes();
+
+               $fDiameter = 0.0001;
+
+               if (isset($aResult['class'])
+                         && isset($aResult['type'])
+                         && isset($aResult['admin_level'])
+                         && isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
+                               && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
+               {
+                       $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'];
+               }
+               elseif (isset($aResult['class'])
+                         && isset($aResult['type'])
+                         && isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
+                               && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
+               {
+                       $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
+               }
+
+               return $fDiameter;
+       }
+
 
        function javascript_renderData($xVal, $iOptions = 0)
        {
        }
 
 
-       function getAddressDetails(&$oDB, $sLanguagePrefArraySQL, $iPlaceID, $sCountryCode = false, $housenumber =-1, $bRaw = false)
+       function getAddressDetails(&$oDB, $sLanguagePrefArraySQL, $iPlaceID, $sCountryCode = false, $housenumber = -1, $bRaw = false)
        {
                $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata($iPlaceID, $housenumber)";
                if (!$bRaw) $sSQL .= " WHERE isaddress OR type = 'country_code'";
        }
 
 
-
-       function geometryText2Points($geometry_as_text,$fRadius)
+       function geometryText2Points($geometry_as_text, $fRadius)
        {
                $aPolyPoints = NULL;
-               if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$geometry_as_text,$aMatch))
+               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);
+                       preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
                }
-               elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$geometry_as_text,$aMatch))
+               elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#', $geometry_as_text, $aMatch))
                {
-                       preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+                       $aPolyPoints = createPointsAroundCenter($aMatch[1], $aMatch[2], $fRadius);
                }
-               elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$geometry_as_text,$aMatch))
+
+               if (isset($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)
                        {
-                               $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
+                               $aPolyPoints[] = array('', $fLon+($fRadius*sin($f)), $fLat+($fRadius*cos($f)) );
                        }
-               }
-               return $aPolyPoints;
+                       return $aPolyPoints;
        }