lib/lib.php

   1 <?php
   2
   3         function failInternalError($sError, $sSQL = false, $vDumpVar = false)
   4         {
   5                 header('HTTP/1.0 500 Internal Server Error');
   6                 header('Content-type: text/html; charset=utf-8');
   7                 echo "<html><body><h1>Internal Server Error</h1>";
   8                 echo '<p>Nominatim has encountered an internal error while processing your request. This is most likely because of a bug in the software.</p>';
   9                 echo "<p><b>Details:</b> ".$sError,"</p>";
  10                 echo '<p>Feel free to report the bug in the <a href="http://trac.openstreetmap.org">OSM bug database</a>. Please include the error message above and the URL you used.</p>';
  11                 if (CONST_Debug)
  12                 {
  13                         echo "<hr><h2>Debugging Information</h2><br>";
  14                         if ($sSQL)
  15                         {
  16                                 echo "<h3>SQL query</h3><code>".$sSQL."</code>";
  17                         }
  18                         if ($vDumpVar)
  19                         {
  20                                 echo "<h3>Result</h3> <code>";
  21                                 var_dump($vDumpVar);
  22                                 echo "</code>";
  23                         }
  24                 }
  25                 echo "\n</body></html>\n";
  26                 exit;
  27         }
  28
  29
  30         function userError($sError)
  31         {
  32                 header('HTTP/1.0 400 Bad Request');
  33                 header('Content-type: text/html; charset=utf-8');
  34                 echo "<html><body><h1>Bad Request</h1>";
  35                 echo '<p>Nominatim has encountered an error with your request.</p>';
  36                 echo "<p><b>Details:</b> ".$sError,"</p>";
  37                 echo '<p>If you feel this error is incorrect feel free to report the bug in the <a href="http://trac.openstreetmap.org">OSM bug database</a>. Please include the error message above and the URL you used.</p>';
  38                 echo "\n</body></html>\n";
  39                 exit;
  40         }
  41
  42
  43         function fail($sError, $sUserError = false)
  44         {
  45                 if (!$sUserError) $sUserError = $sError;
  46                 error_log('ERROR: '.$sError);
  47                 echo $sUserError."\n";
  48                 exit(-1);
  49         }
  50
  51
  52         function getBlockingProcesses()
  53         {
  54                 $sStats = file_get_contents('/proc/stat');
  55                 if (preg_match('/procs_blocked ([0-9]+)/i', $sStats, $aMatches))
  56                 {
  57                         return (int)$aMatches[1];
  58                 }
  59                 return 0;
  60         }
  61
  62
  63         function getLoadAverage()
  64         {
  65                 $sLoadAverage = file_get_contents('/proc/loadavg');
  66                 $aLoadAverage = explode(' ',$sLoadAverage);
  67                 return (float)$aLoadAverage[0];
  68         }
  69
  70
  71         function getProcessorCount()
  72         {
  73                 $sCPU = file_get_contents('/proc/cpuinfo');
  74                 preg_match_all('#processor      : [0-9]+#', $sCPU, $aMatches);
  75                 return sizeof($aMatches[0]);
  76         }
  77
  78
  79         function getTotalMemoryMB()
  80         {
  81                 $sCPU = file_get_contents('/proc/meminfo');
  82                 preg_match('#MemTotal: +([0-9]+) kB#', $sCPU, $aMatches);
  83                 return (int)($aMatches[1]/1024);
  84         }
  85
  86
  87         function getCacheMemoryMB()
  88         {
  89                 $sCPU = file_get_contents('/proc/meminfo');
  90                 preg_match('#Cached: +([0-9]+) kB#', $sCPU, $aMatches);
  91                 return (int)($aMatches[1]/1024);
  92         }
  93
  94
  95         function bySearchRank($a, $b)
  96         {
  97                 if ($a['iSearchRank'] == $b['iSearchRank'])
  98             return strlen($a['sOperator']) + strlen($a['sHouseNumber']) - strlen($b['sOperator']) - strlen($b['sHouseNumber']);
  99                 return ($a['iSearchRank'] < $b['iSearchRank']?-1:1);
 100         }
 101
 102
 103         function byImportance($a, $b)
 104         {
 105                 if ($a['importance'] != $b['importance'])
 106                         return ($a['importance'] > $b['importance']?-1:1);
 107                 /*
 108                    if ($a['aPointPolygon']['numfeatures'] != $b['aPointPolygon']['numfeatures'])
 109                    return ($a['aPointPolygon']['numfeatures'] > $b['aPointPolygon']['numfeatures']?-1:1);
 110                    if ($a['aPointPolygon']['area'] != $b['aPointPolygon']['area'])
 111                    return ($a['aPointPolygon']['area'] > $b['aPointPolygon']['area']?-1:1);
 112                 //              if ($a['levenshtein'] != $b['levenshtein'])
 113                 //                      return ($a['levenshtein'] < $b['levenshtein']?-1:1);
 114                 if ($a['rank_search'] != $b['rank_search'])
 115                 return ($a['rank_search'] < $b['rank_search']?-1:1);
 116                  */
 117                 return ($a['foundorder'] < $b['foundorder']?-1:1);
 118         }
 119
 120
 121         function getPreferredLanguages($sLangString=false)
 122         {
 123                 if (!$sLangString)
 124                 {
 125                         // If we have been provided the value in $_GET it overrides browser value
 126                         if (isset($_GET['accept-language']) && $_GET['accept-language'])
 127                         {
 128                                 $_SERVER["HTTP_ACCEPT_LANGUAGE"] = $_GET['accept-language'];
 129                                 $sLangString = $_GET['accept-language'];
 130                         }
 131                         else if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"]))
 132                         {
 133                                 $sLangString = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
 134                         }
 135                 }
 136
 137                 $aLanguages = array();
 138                 if ($sLangString)
 139                 {
 140                         if (preg_match_all('/(([a-z]{1,8})(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $sLangString, $aLanguagesParse, PREG_SET_ORDER))
 141                         {
 142                                 foreach($aLanguagesParse as $iLang => $aLanguage)
 143                                 {
 144                                         $aLanguages[$aLanguage[1]] = isset($aLanguage[5])?(float)$aLanguage[5]:1 - ($iLang/100);
 145                                         if (!isset($aLanguages[$aLanguage[2]])) $aLanguages[$aLanguage[2]] = $aLanguages[$aLanguage[1]]/10;
 146                                 }
 147                                 arsort($aLanguages);
 148                         }
 149                 }
 150                 if (!sizeof($aLanguages) && CONST_Default_Language) $aLanguages = array(CONST_Default_Language=>1);
 151                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 152                 {
 153                         $aLangPrefOrder['short_name:'.$sLangauge] = 'short_name:'.$sLangauge;
 154                 }
 155                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 156                 {
 157                         $aLangPrefOrder['name:'.$sLangauge] = 'name:'.$sLangauge;
 158                 }
 159                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 160                 {
 161                         $aLangPrefOrder['place_name:'.$sLangauge] = 'place_name:'.$sLangauge;
 162                 }
 163                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 164                 {
 165                         $aLangPrefOrder['official_name:'.$sLangauge] = 'official_name:'.$sLangauge;
 166                 }
 167                 $aLangPrefOrder['short_name'] = 'short_name';
 168                 $aLangPrefOrder['name'] = 'name';
 169                 $aLangPrefOrder['place_name'] = 'place_name';
 170                 $aLangPrefOrder['official_name'] = 'official_name';
 171                 $aLangPrefOrder['ref'] = 'ref';
 172                 $aLangPrefOrder['type'] = 'type';
 173                 return $aLangPrefOrder;
 174         }
 175
 176
 177         function getWordSets($aWords, $iDepth)
 178         {
 179                 $aResult = array(array(join(' ',$aWords)));
 180                 $sFirstToken = '';
 181                 if ($iDepth < 8) {
 182                         while(sizeof($aWords) > 1)
 183                         {
 184                                 $sWord = array_shift($aWords);
 185                                 $sFirstToken .= ($sFirstToken?' ':'').$sWord;
 186                                 $aRest = getWordSets($aWords, $iDepth+1);
 187                                 foreach($aRest as $aSet)
 188                                 {
 189                                         $aResult[] = array_merge(array($sFirstToken),$aSet);
 190                                 }
 191                         }
 192                 }
 193                 return $aResult;
 194         }
 195
 196         function getInverseWordSets($aWords, $iDepth)
 197         {
 198                 $aResult = array(array(join(' ',$aWords)));
 199                 $sFirstToken = '';
 200                 if ($iDepth < 8)
 201                 {
 202                         while(sizeof($aWords) > 1)
 203                         {
 204                                 $sWord = array_pop($aWords);
 205                                 $sFirstToken = $sWord.($sFirstToken?' ':'').$sFirstToken;
 206                                 $aRest = getInverseWordSets($aWords, $iDepth+1);
 207                                 foreach($aRest as $aSet)
 208                                 {
 209                                         $aResult[] = array_merge(array($sFirstToken),$aSet);
 210                                 }
 211                         }
 212                 }
 213                 return $aResult;
 214         }
 215
 216
 217         function getTokensFromSets($aSets)
 218         {
 219                 $aTokens = array();
 220                 foreach($aSets as $aSet)
 221                 {
 222                         foreach($aSet as $sWord)
 223                         {
 224                                 $aTokens[' '.$sWord] = ' '.$sWord;
 225                                 $aTokens[$sWord] = $sWord;
 226                                 //if (!strpos($sWord,' ')) $aTokens[$sWord] = $sWord;
 227                         }
 228                 }
 229                 return $aTokens;
 230         }
 231
 232
 233         /*
 234            GB Postcode functions
 235          */
 236
 237         function gbPostcodeAlphaDifference($s1, $s2)
 238         {
 239                 $aValues = array(
 240                                 'A'=>0,
 241                                 'B'=>1,
 242                                 'D'=>2,
 243                                 'E'=>3,
 244                                 'F'=>4,
 245                                 'G'=>5,
 246                                 'H'=>6,
 247                                 'J'=>7,
 248                                 'L'=>8,
 249                                 'N'=>9,
 250                                 'O'=>10,
 251                                 'P'=>11,
 252                                 'Q'=>12,
 253                                 'R'=>13,
 254                                 'S'=>14,
 255                                 'T'=>15,
 256                                 'U'=>16,
 257                                 'W'=>17,
 258                                 'X'=>18,
 259                                 'Y'=>19,
 260                                 'Z'=>20);
 261                 return abs(($aValues[$s1[0]]*21+$aValues[$s1[1]]) - ($aValues[$s2[0]]*21+$aValues[$s2[1]]));
 262         }
 263
 264
 265         function gbPostcodeCalculate($sPostcode, $sPostcodeSector, $sPostcodeEnd, &$oDB)
 266         {
 267                 // Try an exact match on the gb_postcode table
 268                 $sSQL = 'select \'AA\', ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from gb_postcode where postcode = \''.$sPostcode.'\'';
 269                 $aNearPostcodes = $oDB->getAll($sSQL);
 270                 if (PEAR::IsError($aNearPostcodes))
 271                 {
 272                         var_dump($sSQL, $aNearPostcodes);
 273                         exit;
 274                 }
 275
 276                 if (sizeof($aNearPostcodes))
 277                 {
 278                         $aPostcodes = array();
 279                         foreach($aNearPostcodes as $aPostcode)
 280                         {
 281                                 $aPostcodes[] = array('lat' => $aPostcode['lat'], 'lon' => $aPostcode['lon'], 'radius' => 0.005);
 282                         }
 283
 284                         return $aPostcodes;
 285                 }
 286
 287                 return false;
 288         }
 289
 290
 291         function usPostcodeCalculate($sPostcode, &$oDB)
 292         {
 293                 $iZipcode = (int)$sPostcode;
 294
 295                 // Try an exact match on the us_zippostcode table
 296                 $sSQL = 'select zipcode, ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from us_zipcode where zipcode = '.$iZipcode;
 297                 $aNearPostcodes = $oDB->getAll($sSQL);
 298                 if (PEAR::IsError($aNearPostcodes))
 299                 {
 300                         var_dump($sSQL, $aNearPostcodes);
 301                         exit;
 302                 }
 303
 304                 if (!sizeof($aNearPostcodes))
 305                 {
 306                         $sSQL = 'select zipcode,ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from us_zipcode where zipcode between '.($iZipcode-100).' and '.($iZipcode+100).' order by abs(zipcode - '.$iZipcode.') asc limit 5';
 307                         $aNearPostcodes = $oDB->getAll($sSQL);
 308                         if (PEAR::IsError($aNearPostcodes))
 309                         {
 310                                 var_dump($sSQL, $aNearPostcodes);
 311                                 exit;
 312                         }
 313                 }
 314
 315                 if (!sizeof($aNearPostcodes))
 316                 {
 317                         return false;
 318                 }
 319
 320                 $fTotalLat = 0;
 321                 $fTotalLon = 0;
 322                 $fTotalFac = 0;
 323                 foreach($aNearPostcodes as $aPostcode)
 324                 {
 325                         $iDiff = abs($aPostcode['zipcode'] - $iZipcode) + 1;
 326                         if ($iDiff == 0)
 327                                 $fFac = 1;
 328                         else
 329                                 $fFac = 1/($iDiff*$iDiff);
 330
 331                         $fTotalFac += $fFac;
 332                         $fTotalLat += $aPostcode['lat'] * $fFac;
 333                         $fTotalLon += $aPostcode['lon'] * $fFac;
 334                 }
 335                 if ($fTotalFac)
 336                 {
 337                         $fLat = $fTotalLat / $fTotalFac;
 338                         $fLon = $fTotalLon / $fTotalFac;
 339                         return array(array('lat' => $fLat, 'lon' => $fLon, 'radius' => 0.2));
 340                 }
 341                 return false;
 342
 343                 /*
 344                    $fTotalFac is a surprisingly good indicator of accuracy
 345                    $iZoom = 18 + round(log($fTotalFac,32));
 346                    $iZoom = max(13,min(18,$iZoom));
 347                  */
 348         }
 349
 350
 351         function getClassTypes()
 352         {
 353                 return array(
 354  'boundary:administrative:1' => array('label'=>'Continent','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 355  'boundary:administrative:2' => array('label'=>'Country','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 356  'place:country' => array('label'=>'Country','frequency'=>0,'icon'=>'poi_boundary_administrative','defzoom'=>6, 'defdiameter' => 15,),
 357  'boundary:administrative:3' => array('label'=>'State','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 358  'boundary:administrative:4' => array('label'=>'State','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 359  'place:state' => array('label'=>'State','frequency'=>0,'icon'=>'poi_boundary_administrative','defzoom'=>8, 'defdiameter' => 5.12,),
 360  'boundary:administrative:5' => array('label'=>'State District','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 361  'boundary:administrative:6' => array('label'=>'County','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 362  'boundary:administrative:7' => array('label'=>'County','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 363  'place:county' => array('label'=>'County','frequency'=>108,'icon'=>'poi_boundary_administrative','defzoom'=>10, 'defdiameter' => 1.28,),
 364  'boundary:administrative:8' => array('label'=>'City','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 365  'place:city' => array('label'=>'City','frequency'=>66,'icon'=>'poi_place_city','defzoom'=>12, 'defdiameter' => 0.32,),
 366  'boundary:administrative:9' => array('label'=>'City District','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 367  'boundary:administrative:10' => array('label'=>'Suburb','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 368  'boundary:administrative:11' => array('label'=>'Neighbourhood','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 369  'place:region' => array('label'=>'Region','frequency'=>0,'icon'=>'poi_boundary_administrative','defzoom'=>8, 'defdiameter' => 0.04,),
 370  'place:island' => array('label'=>'Island','frequency'=>288,'icon'=>'','defzoom'=>11, 'defdiameter' => 0.64,),
 371  'boundary:administrative' => array('label'=>'Administrative','frequency'=>413,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 372  'boundary:postal_code' => array('label'=>'Postcode','frequency'=>413,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 373  'place:town' => array('label'=>'Town','frequency'=>1497,'icon'=>'poi_place_town','defzoom'=>14, 'defdiameter' => 0.08,),
 374  'place:village' => array('label'=>'Village','frequency'=>11230,'icon'=>'poi_place_village','defzoom'=>15, 'defdiameter' => 0.04,),
 375  'place:hamlet' => array('label'=>'Hamlet','frequency'=>7075,'icon'=>'poi_place_village','defzoom'=>15, 'defdiameter' => 0.04,),
 376  'place:suburb' => array('label'=>'Suburb','frequency'=>2528,'icon'=>'poi_place_village', 'defdiameter' => 0.04,),
 377  'place:locality' => array('label'=>'Locality','frequency'=>4113,'icon'=>'poi_place_village', 'defdiameter' => 0.02,),
 378  'landuse:farm' => array('label'=>'Farm','frequency'=>1201,'icon'=>'', 'defdiameter' => 0.02,),
 379  'place:farm' => array('label'=>'Farm','frequency'=>1162,'icon'=>'', 'defdiameter' => 0.02,),
 380
 381  'highway:motorway_junction' => array('label'=>'Motorway Junction','frequency'=>1126,'icon'=>'','simplelabel'=>'Junction',),
 382  'highway:motorway' => array('label'=>'Motorway','frequency'=>4627,'icon'=>'','simplelabel'=>'Road',),
 383  'highway:trunk' => array('label'=>'Trunk','frequency'=>23084,'icon'=>'','simplelabel'=>'Road',),
 384  'highway:primary' => array('label'=>'Primary','frequency'=>32138,'icon'=>'','simplelabel'=>'Road',),
 385  'highway:secondary' => array('label'=>'Secondary','frequency'=>25807,'icon'=>'','simplelabel'=>'Road',),
 386  'highway:tertiary' => array('label'=>'Tertiary','frequency'=>29829,'icon'=>'','simplelabel'=>'Road',),
 387  'highway:residential' => array('label'=>'Residential','frequency'=>361498,'icon'=>'','simplelabel'=>'Road',),
 388  'highway:unclassified' => array('label'=>'Unclassified','frequency'=>66441,'icon'=>'','simplelabel'=>'Road',),
 389  'highway:living_street' => array('label'=>'Living Street','frequency'=>710,'icon'=>'','simplelabel'=>'Road',),
 390  'highway:service' => array('label'=>'Service','frequency'=>9963,'icon'=>'','simplelabel'=>'Road',),
 391  'highway:track' => array('label'=>'Track','frequency'=>2565,'icon'=>'','simplelabel'=>'Road',),
 392  'highway:road' => array('label'=>'Road','frequency'=>591,'icon'=>'','simplelabel'=>'Road',),
 393  'highway:byway' => array('label'=>'Byway','frequency'=>346,'icon'=>'','simplelabel'=>'Road',),
 394  'highway:bridleway' => array('label'=>'Bridleway','frequency'=>1556,'icon'=>'',),
 395  'highway:cycleway' => array('label'=>'Cycleway','frequency'=>2419,'icon'=>'',),
 396  'highway:pedestrian' => array('label'=>'Pedestrian','frequency'=>2757,'icon'=>'',),
 397  'highway:footway' => array('label'=>'Footway','frequency'=>15008,'icon'=>'',),
 398  'highway:steps' => array('label'=>'Steps','frequency'=>444,'icon'=>'','simplelabel'=>'Footway',),
 399  'highway:motorway_link' => array('label'=>'Motorway Link','frequency'=>795,'icon'=>'','simplelabel'=>'Road',),
 400  'highway:trunk_link' => array('label'=>'Trunk Link','frequency'=>1258,'icon'=>'','simplelabel'=>'Road',),
 401  'highway:primary_link' => array('label'=>'Primary Link','frequency'=>313,'icon'=>'','simplelabel'=>'Road',),
 402
 403  'landuse:industrial' => array('label'=>'Industrial','frequency'=>1062,'icon'=>'',),
 404  'landuse:residential' => array('label'=>'Residential','frequency'=>886,'icon'=>'',),
 405  'landuse:retail' => array('label'=>'Retail','frequency'=>754,'icon'=>'',),
 406  'landuse:commercial' => array('label'=>'Commercial','frequency'=>657,'icon'=>'',),
 407
 408  'place:airport' => array('label'=>'Airport','frequency'=>36,'icon'=>'transport_airport2', 'defdiameter' => 0.03,),
 409  'aeroway:aerodrome' => array('label'=>'Aerodrome','frequency'=>36,'icon'=>'transport_airport2', 'defdiameter' => 0.03,),
 410  'aeroway' => array('label'=>'Aeroway','frequency'=>36,'icon'=>'transport_airport2', 'defdiameter' => 0.03,),
 411  'railway:station' => array('label'=>'Station','frequency'=>3431,'icon'=>'transport_train_station2', 'defdiameter' => 0.01,),
 412  'amenity:place_of_worship' => array('label'=>'Place Of Worship','frequency'=>9049,'icon'=>'place_of_worship_unknown3',),
 413  'amenity:pub' => array('label'=>'Pub','frequency'=>18969,'icon'=>'food_pub',),
 414  'amenity:bar' => array('label'=>'Bar','frequency'=>164,'icon'=>'food_bar',),
 415  'amenity:university' => array('label'=>'University','frequency'=>607,'icon'=>'education_university',),
 416  'tourism:museum' => array('label'=>'Museum','frequency'=>543,'icon'=>'tourist_museum',),
 417  'amenity:arts_centre' => array('label'=>'Arts Centre','frequency'=>136,'icon'=>'tourist_art_gallery2',),
 418  'tourism:zoo' => array('label'=>'Zoo','frequency'=>47,'icon'=>'tourist_zoo',),
 419  'tourism:theme_park' => array('label'=>'Theme Park','frequency'=>24,'icon'=>'poi_point_of_interest',),
 420  'tourism:attraction' => array('label'=>'Attraction','frequency'=>1463,'icon'=>'poi_point_of_interest',),
 421  'leisure:golf_course' => array('label'=>'Golf Course','frequency'=>712,'icon'=>'sport_golf',),
 422  'historic:castle' => array('label'=>'Castle','frequency'=>316,'icon'=>'tourist_castle',),
 423  'amenity:hospital' => array('label'=>'Hospital','frequency'=>879,'icon'=>'health_hospital',),
 424  'amenity:school' => array('label'=>'School','frequency'=>8192,'icon'=>'education_school',),
 425  'amenity:theatre' => array('label'=>'Theatre','frequency'=>371,'icon'=>'tourist_theatre',),
 426  'amenity:public_building' => array('label'=>'Public Building','frequency'=>985,'icon'=>'',),
 427  'amenity:library' => array('label'=>'Library','frequency'=>794,'icon'=>'amenity_library',),
 428  'amenity:townhall' => array('label'=>'Townhall','frequency'=>242,'icon'=>'',),
 429  'amenity:community_centre' => array('label'=>'Community Centre','frequency'=>157,'icon'=>'',),
 430  'amenity:fire_station' => array('label'=>'Fire Station','frequency'=>221,'icon'=>'amenity_firestation3',),
 431  'amenity:police' => array('label'=>'Police','frequency'=>334,'icon'=>'amenity_police2',),
 432  'amenity:bank' => array('label'=>'Bank','frequency'=>1248,'icon'=>'money_bank2',),
 433  'amenity:post_office' => array('label'=>'Post Office','frequency'=>859,'icon'=>'amenity_post_office',),
 434  'leisure:park' => array('label'=>'Park','frequency'=>2378,'icon'=>'',),
 435  'amenity:park' => array('label'=>'Park','frequency'=>53,'icon'=>'',),
 436  'landuse:park' => array('label'=>'Park','frequency'=>50,'icon'=>'',),
 437  'landuse:recreation_ground' => array('label'=>'Recreation Ground','frequency'=>517,'icon'=>'',),
 438  'tourism:hotel' => array('label'=>'Hotel','frequency'=>2150,'icon'=>'accommodation_hotel2',),
 439  'tourism:motel' => array('label'=>'Motel','frequency'=>43,'icon'=>'',),
 440  'amenity:cinema' => array('label'=>'Cinema','frequency'=>277,'icon'=>'tourist_cinema',),
 441  'tourism:information' => array('label'=>'Information','frequency'=>224,'icon'=>'amenity_information',),
 442  'tourism:artwork' => array('label'=>'Artwork','frequency'=>171,'icon'=>'tourist_art_gallery2',),
 443  'historic:archaeological_site' => array('label'=>'Archaeological Site','frequency'=>407,'icon'=>'tourist_archaeological2',),
 444  'amenity:doctors' => array('label'=>'Doctors','frequency'=>581,'icon'=>'health_doctors',),
 445  'leisure:sports_centre' => array('label'=>'Sports Centre','frequency'=>767,'icon'=>'sport_leisure_centre',),
 446  'leisure:swimming_pool' => array('label'=>'Swimming Pool','frequency'=>24,'icon'=>'sport_swimming_outdoor',),
 447  'shop:supermarket' => array('label'=>'Supermarket','frequency'=>2673,'icon'=>'shopping_supermarket',),
 448  'shop:convenience' => array('label'=>'Convenience','frequency'=>1469,'icon'=>'shopping_convenience',),
 449  'amenity:restaurant' => array('label'=>'Restaurant','frequency'=>3179,'icon'=>'food_restaurant',),
 450  'amenity:fast_food' => array('label'=>'Fast Food','frequency'=>2289,'icon'=>'food_fastfood',),
 451  'amenity:cafe' => array('label'=>'Cafe','frequency'=>1780,'icon'=>'food_cafe',),
 452  'tourism:guest_house' => array('label'=>'Guest House','frequency'=>223,'icon'=>'accommodation_bed_and_breakfast',),
 453  'amenity:pharmacy' => array('label'=>'Pharmacy','frequency'=>733,'icon'=>'health_pharmacy_dispensing',),
 454  'amenity:fuel' => array('label'=>'Fuel','frequency'=>1308,'icon'=>'transport_fuel',),
 455  'natural:peak' => array('label'=>'Peak','frequency'=>3212,'icon'=>'poi_peak',),
 456  'waterway:waterfall' => array('label'=>'Waterfall','frequency'=>24,'icon'=>'',),
 457  'natural:wood' => array('label'=>'Wood','frequency'=>1845,'icon'=>'landuse_coniferous_and_deciduous',),
 458  'natural:water' => array('label'=>'Water','frequency'=>1790,'icon'=>'',),
 459  'landuse:forest' => array('label'=>'Forest','frequency'=>467,'icon'=>'',),
 460  'landuse:cemetery' => array('label'=>'Cemetery','frequency'=>463,'icon'=>'',),
 461  'landuse:allotments' => array('label'=>'Allotments','frequency'=>408,'icon'=>'',),
 462  'landuse:farmyard' => array('label'=>'Farmyard','frequency'=>397,'icon'=>'',),
 463  'railway:rail' => array('label'=>'Rail','frequency'=>4894,'icon'=>'',),
 464  'waterway:canal' => array('label'=>'Canal','frequency'=>1723,'icon'=>'',),
 465  'waterway:river' => array('label'=>'River','frequency'=>4089,'icon'=>'',),
 466  'waterway:stream' => array('label'=>'Stream','frequency'=>2684,'icon'=>'',),
 467  'shop:bicycle' => array('label'=>'Bicycle','frequency'=>349,'icon'=>'shopping_bicycle',),
 468  'shop:clothes' => array('label'=>'Clothes','frequency'=>315,'icon'=>'shopping_clothes',),
 469  'shop:hairdresser' => array('label'=>'Hairdresser','frequency'=>312,'icon'=>'shopping_hairdresser',),
 470  'shop:doityourself' => array('label'=>'Doityourself','frequency'=>247,'icon'=>'shopping_diy',),
 471  'shop:estate_agent' => array('label'=>'Estate Agent','frequency'=>162,'icon'=>'shopping_estateagent2',),
 472  'shop:car' => array('label'=>'Car','frequency'=>159,'icon'=>'shopping_car',),
 473  'shop:garden_centre' => array('label'=>'Garden Centre','frequency'=>143,'icon'=>'shopping_garden_centre',),
 474  'shop:car_repair' => array('label'=>'Car Repair','frequency'=>141,'icon'=>'shopping_car_repair',),
 475  'shop:newsagent' => array('label'=>'Newsagent','frequency'=>132,'icon'=>'',),
 476  'shop:bakery' => array('label'=>'Bakery','frequency'=>129,'icon'=>'shopping_bakery',),
 477  'shop:furniture' => array('label'=>'Furniture','frequency'=>124,'icon'=>'',),
 478  'shop:butcher' => array('label'=>'Butcher','frequency'=>105,'icon'=>'shopping_butcher',),
 479  'shop:apparel' => array('label'=>'Apparel','frequency'=>98,'icon'=>'shopping_clothes',),
 480  'shop:electronics' => array('label'=>'Electronics','frequency'=>96,'icon'=>'',),
 481  'shop:department_store' => array('label'=>'Department Store','frequency'=>86,'icon'=>'',),
 482  'shop:books' => array('label'=>'Books','frequency'=>85,'icon'=>'',),
 483  'shop:yes' => array('label'=>'Shop','frequency'=>68,'icon'=>'',),
 484  'shop:outdoor' => array('label'=>'Outdoor','frequency'=>67,'icon'=>'',),
 485  'shop:mall' => array('label'=>'Mall','frequency'=>63,'icon'=>'',),
 486  'shop:florist' => array('label'=>'Florist','frequency'=>61,'icon'=>'',),
 487  'shop:charity' => array('label'=>'Charity','frequency'=>60,'icon'=>'',),
 488  'shop:hardware' => array('label'=>'Hardware','frequency'=>59,'icon'=>'',),
 489  'shop:laundry' => array('label'=>'Laundry','frequency'=>51,'icon'=>'shopping_laundrette',),
 490  'shop:shoes' => array('label'=>'Shoes','frequency'=>49,'icon'=>'',),
 491  'shop:beverages' => array('label'=>'Beverages','frequency'=>48,'icon'=>'shopping_alcohol',),
 492  'shop:dry_cleaning' => array('label'=>'Dry Cleaning','frequency'=>46,'icon'=>'',),
 493  'shop:carpet' => array('label'=>'Carpet','frequency'=>45,'icon'=>'',),
 494  'shop:computer' => array('label'=>'Computer','frequency'=>44,'icon'=>'',),
 495  'shop:alcohol' => array('label'=>'Alcohol','frequency'=>44,'icon'=>'shopping_alcohol',),
 496  'shop:optician' => array('label'=>'Optician','frequency'=>55,'icon'=>'health_opticians',),
 497  'shop:chemist' => array('label'=>'Chemist','frequency'=>42,'icon'=>'health_pharmacy',),
 498  'shop:gallery' => array('label'=>'Gallery','frequency'=>38,'icon'=>'tourist_art_gallery2',),
 499  'shop:mobile_phone' => array('label'=>'Mobile Phone','frequency'=>37,'icon'=>'',),
 500  'shop:sports' => array('label'=>'Sports','frequency'=>37,'icon'=>'',),
 501  'shop:jewelry' => array('label'=>'Jewelry','frequency'=>32,'icon'=>'shopping_jewelry',),
 502  'shop:pet' => array('label'=>'Pet','frequency'=>29,'icon'=>'',),
 503  'shop:beauty' => array('label'=>'Beauty','frequency'=>28,'icon'=>'',),
 504  'shop:stationery' => array('label'=>'Stationery','frequency'=>25,'icon'=>'',),
 505  'shop:shopping_centre' => array('label'=>'Shopping Centre','frequency'=>25,'icon'=>'',),
 506  'shop:general' => array('label'=>'General','frequency'=>25,'icon'=>'',),
 507  'shop:electrical' => array('label'=>'Electrical','frequency'=>25,'icon'=>'',),
 508  'shop:toys' => array('label'=>'Toys','frequency'=>23,'icon'=>'',),
 509  'shop:jeweller' => array('label'=>'Jeweller','frequency'=>23,'icon'=>'',),
 510  'shop:betting' => array('label'=>'Betting','frequency'=>23,'icon'=>'',),
 511  'shop:household' => array('label'=>'Household','frequency'=>21,'icon'=>'',),
 512  'shop:travel_agency' => array('label'=>'Travel Agency','frequency'=>21,'icon'=>'',),
 513  'shop:hifi' => array('label'=>'Hifi','frequency'=>21,'icon'=>'',),
 514  'amenity:shop' => array('label'=>'Shop','frequency'=>61,'icon'=>'',),
 515
 516  'place:house' => array('label'=>'House','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 517  'place:house_name' => array('label'=>'House','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 518  'place:house_number' => array('label'=>'House Number','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 519  'place:country_code' => array('label'=>'Country Code','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 520
 521  //
 522
 523  'leisure:pitch' => array('label'=>'Pitch','frequency'=>762,'icon'=>'',),
 524  'highway:unsurfaced' => array('label'=>'Unsurfaced','frequency'=>492,'icon'=>'',),
 525  'historic:ruins' => array('label'=>'Ruins','frequency'=>483,'icon'=>'tourist_ruin',),
 526  'amenity:college' => array('label'=>'College','frequency'=>473,'icon'=>'education_school',),
 527  'historic:monument' => array('label'=>'Monument','frequency'=>470,'icon'=>'tourist_monument',),
 528  'railway:subway' => array('label'=>'Subway','frequency'=>385,'icon'=>'',),
 529  'historic:memorial' => array('label'=>'Memorial','frequency'=>382,'icon'=>'tourist_monument',),
 530  'leisure:nature_reserve' => array('label'=>'Nature Reserve','frequency'=>342,'icon'=>'',),
 531  'leisure:common' => array('label'=>'Common','frequency'=>322,'icon'=>'',),
 532  'waterway:lock_gate' => array('label'=>'Lock Gate','frequency'=>321,'icon'=>'',),
 533  'natural:fell' => array('label'=>'Fell','frequency'=>308,'icon'=>'',),
 534  'amenity:nightclub' => array('label'=>'Nightclub','frequency'=>292,'icon'=>'',),
 535  'highway:path' => array('label'=>'Path','frequency'=>287,'icon'=>'',),
 536  'leisure:garden' => array('label'=>'Garden','frequency'=>285,'icon'=>'',),
 537  'landuse:reservoir' => array('label'=>'Reservoir','frequency'=>276,'icon'=>'',),
 538  'leisure:playground' => array('label'=>'Playground','frequency'=>264,'icon'=>'',),
 539  'leisure:stadium' => array('label'=>'Stadium','frequency'=>212,'icon'=>'',),
 540  'historic:mine' => array('label'=>'Mine','frequency'=>193,'icon'=>'poi_mine',),
 541  'natural:cliff' => array('label'=>'Cliff','frequency'=>193,'icon'=>'',),
 542  'tourism:caravan_site' => array('label'=>'Caravan Site','frequency'=>183,'icon'=>'accommodation_caravan_park',),
 543  'amenity:bus_station' => array('label'=>'Bus Station','frequency'=>181,'icon'=>'transport_bus_station',),
 544  'amenity:kindergarten' => array('label'=>'Kindergarten','frequency'=>179,'icon'=>'',),
 545  'highway:construction' => array('label'=>'Construction','frequency'=>176,'icon'=>'',),
 546  'amenity:atm' => array('label'=>'Atm','frequency'=>172,'icon'=>'money_atm2',),
 547  'amenity:emergency_phone' => array('label'=>'Emergency Phone','frequency'=>164,'icon'=>'',),
 548  'waterway:lock' => array('label'=>'Lock','frequency'=>146,'icon'=>'',),
 549  'waterway:riverbank' => array('label'=>'Riverbank','frequency'=>143,'icon'=>'',),
 550  'natural:coastline' => array('label'=>'Coastline','frequency'=>142,'icon'=>'',),
 551  'tourism:viewpoint' => array('label'=>'Viewpoint','frequency'=>140,'icon'=>'tourist_view_point',),
 552  'tourism:hostel' => array('label'=>'Hostel','frequency'=>140,'icon'=>'',),
 553  'tourism:bed_and_breakfast' => array('label'=>'Bed And Breakfast','frequency'=>140,'icon'=>'accommodation_bed_and_breakfast',),
 554  'railway:halt' => array('label'=>'Halt','frequency'=>135,'icon'=>'',),
 555  'railway:platform' => array('label'=>'Platform','frequency'=>134,'icon'=>'',),
 556  'railway:tram' => array('label'=>'Tram','frequency'=>130,'icon'=>'transport_tram_stop',),
 557  'amenity:courthouse' => array('label'=>'Courthouse','frequency'=>129,'icon'=>'amenity_court',),
 558  'amenity:recycling' => array('label'=>'Recycling','frequency'=>126,'icon'=>'amenity_recycling',),
 559  'amenity:dentist' => array('label'=>'Dentist','frequency'=>124,'icon'=>'health_dentist',),
 560  'natural:beach' => array('label'=>'Beach','frequency'=>121,'icon'=>'tourist_beach',),
 561  'place:moor' => array('label'=>'Moor','frequency'=>118,'icon'=>'',),
 562  'amenity:grave_yard' => array('label'=>'Grave Yard','frequency'=>110,'icon'=>'',),
 563  'waterway:drain' => array('label'=>'Drain','frequency'=>108,'icon'=>'',),
 564  'landuse:grass' => array('label'=>'Grass','frequency'=>106,'icon'=>'',),
 565  'landuse:village_green' => array('label'=>'Village Green','frequency'=>106,'icon'=>'',),
 566  'natural:bay' => array('label'=>'Bay','frequency'=>102,'icon'=>'',),
 567  'railway:tram_stop' => array('label'=>'Tram Stop','frequency'=>101,'icon'=>'transport_tram_stop',),
 568  'leisure:marina' => array('label'=>'Marina','frequency'=>98,'icon'=>'',),
 569  'highway:stile' => array('label'=>'Stile','frequency'=>97,'icon'=>'',),
 570  'natural:moor' => array('label'=>'Moor','frequency'=>95,'icon'=>'',),
 571  'railway:light_rail' => array('label'=>'Light Rail','frequency'=>91,'icon'=>'',),
 572  'railway:narrow_gauge' => array('label'=>'Narrow Gauge','frequency'=>90,'icon'=>'',),
 573  'natural:land' => array('label'=>'Land','frequency'=>86,'icon'=>'',),
 574  'amenity:village_hall' => array('label'=>'Village Hall','frequency'=>82,'icon'=>'',),
 575  'waterway:dock' => array('label'=>'Dock','frequency'=>80,'icon'=>'',),
 576  'amenity:veterinary' => array('label'=>'Veterinary','frequency'=>79,'icon'=>'',),
 577  'landuse:brownfield' => array('label'=>'Brownfield','frequency'=>77,'icon'=>'',),
 578  'leisure:track' => array('label'=>'Track','frequency'=>76,'icon'=>'',),
 579  'railway:historic_station' => array('label'=>'Historic Station','frequency'=>74,'icon'=>'',),
 580  'landuse:construction' => array('label'=>'Construction','frequency'=>72,'icon'=>'',),
 581  'amenity:prison' => array('label'=>'Prison','frequency'=>71,'icon'=>'amenity_prison',),
 582  'landuse:quarry' => array('label'=>'Quarry','frequency'=>71,'icon'=>'',),
 583  'amenity:telephone' => array('label'=>'Telephone','frequency'=>70,'icon'=>'',),
 584  'highway:traffic_signals' => array('label'=>'Traffic Signals','frequency'=>66,'icon'=>'',),
 585  'natural:heath' => array('label'=>'Heath','frequency'=>62,'icon'=>'',),
 586  'historic:house' => array('label'=>'House','frequency'=>61,'icon'=>'',),
 587  'amenity:social_club' => array('label'=>'Social Club','frequency'=>61,'icon'=>'',),
 588  'landuse:military' => array('label'=>'Military','frequency'=>61,'icon'=>'',),
 589  'amenity:health_centre' => array('label'=>'Health Centre','frequency'=>59,'icon'=>'',),
 590  'historic:building' => array('label'=>'Building','frequency'=>58,'icon'=>'',),
 591  'amenity:clinic' => array('label'=>'Clinic','frequency'=>57,'icon'=>'',),
 592  'highway:services' => array('label'=>'Services','frequency'=>56,'icon'=>'',),
 593  'amenity:ferry_terminal' => array('label'=>'Ferry Terminal','frequency'=>55,'icon'=>'',),
 594  'natural:marsh' => array('label'=>'Marsh','frequency'=>55,'icon'=>'',),
 595  'natural:hill' => array('label'=>'Hill','frequency'=>54,'icon'=>'',),
 596  'highway:raceway' => array('label'=>'Raceway','frequency'=>53,'icon'=>'',),
 597  'amenity:taxi' => array('label'=>'Taxi','frequency'=>47,'icon'=>'',),
 598  'amenity:take_away' => array('label'=>'Take Away','frequency'=>45,'icon'=>'',),
 599  'amenity:car_rental' => array('label'=>'Car Rental','frequency'=>44,'icon'=>'',),
 600  'place:islet' => array('label'=>'Islet','frequency'=>44,'icon'=>'',),
 601  'amenity:nursery' => array('label'=>'Nursery','frequency'=>44,'icon'=>'',),
 602  'amenity:nursing_home' => array('label'=>'Nursing Home','frequency'=>43,'icon'=>'',),
 603  'amenity:toilets' => array('label'=>'Toilets','frequency'=>38,'icon'=>'',),
 604  'amenity:hall' => array('label'=>'Hall','frequency'=>38,'icon'=>'',),
 605  'waterway:boatyard' => array('label'=>'Boatyard','frequency'=>36,'icon'=>'',),
 606  'highway:mini_roundabout' => array('label'=>'Mini Roundabout','frequency'=>35,'icon'=>'',),
 607  'historic:manor' => array('label'=>'Manor','frequency'=>35,'icon'=>'',),
 608  'tourism:chalet' => array('label'=>'Chalet','frequency'=>34,'icon'=>'',),
 609  'amenity:bicycle_parking' => array('label'=>'Bicycle Parking','frequency'=>34,'icon'=>'',),
 610  'amenity:hotel' => array('label'=>'Hotel','frequency'=>34,'icon'=>'',),
 611  'waterway:weir' => array('label'=>'Weir','frequency'=>33,'icon'=>'',),
 612  'natural:wetland' => array('label'=>'Wetland','frequency'=>33,'icon'=>'',),
 613  'natural:cave_entrance' => array('label'=>'Cave Entrance','frequency'=>32,'icon'=>'',),
 614  'amenity:crematorium' => array('label'=>'Crematorium','frequency'=>31,'icon'=>'',),
 615  'tourism:picnic_site' => array('label'=>'Picnic Site','frequency'=>31,'icon'=>'',),
 616  'landuse:wood' => array('label'=>'Wood','frequency'=>30,'icon'=>'',),
 617  'landuse:basin' => array('label'=>'Basin','frequency'=>30,'icon'=>'',),
 618  'natural:tree' => array('label'=>'Tree','frequency'=>30,'icon'=>'',),
 619  'leisure:slipway' => array('label'=>'Slipway','frequency'=>29,'icon'=>'',),
 620  'landuse:meadow' => array('label'=>'Meadow','frequency'=>29,'icon'=>'',),
 621  'landuse:piste' => array('label'=>'Piste','frequency'=>28,'icon'=>'',),
 622  'amenity:care_home' => array('label'=>'Care Home','frequency'=>28,'icon'=>'',),
 623  'amenity:club' => array('label'=>'Club','frequency'=>28,'icon'=>'',),
 624  'amenity:medical_centre' => array('label'=>'Medical Centre','frequency'=>27,'icon'=>'',),
 625  'historic:roman_road' => array('label'=>'Roman Road','frequency'=>27,'icon'=>'',),
 626  'historic:fort' => array('label'=>'Fort','frequency'=>26,'icon'=>'',),
 627  'railway:subway_entrance' => array('label'=>'Subway Entrance','frequency'=>26,'icon'=>'',),
 628  'historic:yes' => array('label'=>'Historic','frequency'=>25,'icon'=>'',),
 629  'highway:gate' => array('label'=>'Gate','frequency'=>25,'icon'=>'',),
 630  'leisure:fishing' => array('label'=>'Fishing','frequency'=>24,'icon'=>'',),
 631  'historic:museum' => array('label'=>'Museum','frequency'=>24,'icon'=>'',),
 632  'amenity:car_wash' => array('label'=>'Car Wash','frequency'=>24,'icon'=>'',),
 633  'railway:level_crossing' => array('label'=>'Level Crossing','frequency'=>23,'icon'=>'',),
 634  'leisure:bird_hide' => array('label'=>'Bird Hide','frequency'=>23,'icon'=>'',),
 635  'natural:headland' => array('label'=>'Headland','frequency'=>21,'icon'=>'',),
 636  'tourism:apartments' => array('label'=>'Apartments','frequency'=>21,'icon'=>'',),
 637  'amenity:shopping' => array('label'=>'Shopping','frequency'=>21,'icon'=>'',),
 638  'natural:scrub' => array('label'=>'Scrub','frequency'=>20,'icon'=>'',),
 639  'natural:fen' => array('label'=>'Fen','frequency'=>20,'icon'=>'',),
 640  'building:yes' => array('label'=>'Building','frequency'=>200,'icon'=>'',),
 641  'mountain_pass:yes' => array('label'=>'Mountain Pass','frequency'=>200,'icon'=>'',),
 642
 643  'amenity:parking' => array('label'=>'Parking','frequency'=>3157,'icon'=>'',),
 644  'highway:bus_stop' => array('label'=>'Bus Stop','frequency'=>35777,'icon'=>'transport_bus_stop2',),
 645  'place:postcode' => array('label'=>'Postcode','frequency'=>27267,'icon'=>'',),
 646  'amenity:post_box' => array('label'=>'Post Box','frequency'=>9613,'icon'=>'',),
 647
 648  'place:houses' => array('label'=>'Houses','frequency'=>85,'icon'=>'',),
 649  'railway:preserved' => array('label'=>'Preserved','frequency'=>227,'icon'=>'',),
 650  'waterway:derelict_canal' => array('label'=>'Derelict Canal','frequency'=>21,'icon'=>'',),
 651  'amenity:dead_pub' => array('label'=>'Dead Pub','frequency'=>20,'icon'=>'',),
 652  'railway:disused_station' => array('label'=>'Disused Station','frequency'=>114,'icon'=>'',),
 653  'railway:abandoned' => array('label'=>'Abandoned','frequency'=>641,'icon'=>'',),
 654  'railway:disused' => array('label'=>'Disused','frequency'=>72,'icon'=>'',),
 655                                 );
 656         }
 657
 658
 659         function getClassTypesWithImportance()
 660         {
 661                 $aOrders = getClassTypes();
 662                 $i = 1;
 663                 foreach($aOrders as $sID => $a)
 664                 {
 665                         $aOrders[$sID]['importance'] = $i++;
 666                 }
 667                 return $aOrders;
 668         }
 669
 670
 671         function javascript_renderData($xVal)
 672         {
 673                 header("Access-Control-Allow-Origin: *");
 674                 $jsonout = json_encode($xVal);
 675
 676                 if( ! isset($_GET['json_callback']))
 677                 {
 678                         header("Content-Type: application/json; charset=UTF-8");
 679                         echo $jsonout;
 680                 } else
 681                 {
 682                         if (preg_match('/^[$_\p{L}][$_\p{L}\p{Nd}.[\]]*$/u',$_GET['json_callback']))
 683                         {
 684                                 header("Content-Type: application/javascript; charset=UTF-8");
 685                                 echo $_GET['json_callback'].'('.$jsonout.')';
 686                         }
 687                         else
 688                         {
 689                                 header('HTTP/1.0 400 Bad Request');
 690                         }
 691                 }
 692         }
 693
 694
 695         function _debugDumpGroupedSearches($aData, $aTokens)
 696         {
 697                 $aWordsIDs = array();
 698                 if ($aTokens)
 699                 {
 700                         foreach($aTokens as $sToken => $aWords)
 701                         {
 702                                 if ($aWords)
 703                                 {
 704                                         foreach($aWords as $aToken)
 705                                         {
 706                                                 $aWordsIDs[$aToken['word_id']] = $sToken.'('.$aToken['word_id'].')';
 707                                         }
 708                                 }
 709                         }
 710                 }
 711                 echo "<table border=\"1\">";
 712                 echo "<tr><th>rank</th><th>Name Tokens</th><th>Name Not</th><th>Address Tokens</th><th>Address Not</th><th>country</th><th>operator</th><th>class</th><th>type</th><th>house#</th><th>Lat</th><th>Lon</th><th>Radius</th></tr>";
 713                 foreach($aData as $iRank => $aRankedSet)
 714                 {
 715                         foreach($aRankedSet as $aRow)
 716                         {
 717                                 echo "<tr>";
 718                                 echo "<td>$iRank</td>";
 719
 720                                 echo "<td>";
 721                                 $sSep = '';
 722                                 foreach($aRow['aName'] as $iWordID)
 723                                 {
 724                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 725                                         $sSep = ', ';
 726                                 }
 727                                 echo "</td>";
 728
 729                                 echo "<td>";
 730                                 $sSep = '';
 731                                 foreach($aRow['aNameNonSearch'] as $iWordID)
 732                                 {
 733                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 734                                         $sSep = ', ';
 735                                 }
 736                                 echo "</td>";
 737
 738                                 echo "<td>";
 739                                 $sSep = '';
 740                                 foreach($aRow['aAddress'] as $iWordID)
 741                                 {
 742                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 743                                         $sSep = ', ';
 744                                 }
 745                                 echo "</td>";
 746
 747                                 echo "<td>";
 748                                 $sSep = '';
 749                                 foreach($aRow['aAddressNonSearch'] as $iWordID)
 750                                 {
 751                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 752                                         $sSep = ', ';
 753                                 }
 754                                 echo "</td>";
 755
 756                                 echo "<td>".$aRow['sCountryCode']."</td>";
 757
 758                                 echo "<td>".$aRow['sOperator']."</td>";
 759                                 echo "<td>".$aRow['sClass']."</td>";
 760                                 echo "<td>".$aRow['sType']."</td>";
 761
 762                                 echo "<td>".$aRow['sHouseNumber']."</td>";
 763
 764                                 echo "<td>".$aRow['fLat']."</td>";
 765                                 echo "<td>".$aRow['fLon']."</td>";
 766                                 echo "<td>".$aRow['fRadius']."</td>";
 767
 768                                 echo "</tr>";
 769                         }
 770                 }
 771                 echo "</table>";
 772         }
 773
 774
 775         function getAddressDetails(&$oDB, $sLanguagePrefArraySQL, $iPlaceID, $sCountryCode = false, $bRaw = false)
 776         {
 777                 $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata($iPlaceID)";
 778                 if (!$bRaw) $sSQL .= " WHERE isaddress OR type = 'country_code'";
 779                 $sSQL .= " order by rank_address desc,isaddress desc";
 780
 781                 $aAddressLines = $oDB->getAll($sSQL);
 782                 if (PEAR::IsError($aAddressLines))
 783                 {
 784                         var_dump($aAddressLines);
 785                         exit;
 786                 }
 787                 if ($bRaw) return $aAddressLines;
 788                 //echo "<pre>";
 789                 //var_dump($aAddressLines);
 790                 $aAddress = array();
 791                 $aFallback = array();
 792                 $aClassType = getClassTypes();
 793                 foreach($aAddressLines as $aLine)
 794                 {
 795                         $bFallback = false;
 796                         $aTypeLabel = false;
 797                         if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
 798                         elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
 799                         elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))]))
 800                         {
 801                                 $aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
 802                                 $bFallback = true;
 803                         }
 804                         else
 805                         {
 806                                 $aTypeLabel = array('simplelabel'=>'address'.$aLine['rank_address']);
 807                                 $bFallback = true;
 808                         }
 809                         if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber'])))
 810                         {
 811                                 $sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
 812                                 $sTypeLabel = str_replace(' ','_',$sTypeLabel);
 813                                 if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place')
 814                                 {
 815                                         $aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
 816                                 }
 817                                 $aFallback[$sTypeLabel] = $bFallback;
 818                         }
 819                 }
 820                 return $aAddress;
 821         }
 822
 823
 824         function geocodeReverse($fLat, $fLon, $iZoom=18)
 825         {
 826                 $oDB =& getDB();
 827
 828                 $sPointSQL = "ST_SetSRID(ST_Point($fLon,$fLat),4326)";
 829
 830                 // Zoom to rank, this could probably be calculated but a lookup gives fine control
 831                 $aZoomRank = array(
 832                                 0 => 2, // Continent / Sea
 833                                 1 => 2,
 834                                 2 => 2,
 835                                 3 => 4, // Country
 836                                 4 => 4,
 837                                 5 => 8, // State
 838                                 6 => 10, // Region
 839                                 7 => 10,
 840                                 8 => 12, // County
 841                                 9 => 12,
 842                                 10 => 17, // City
 843                                 11 => 17,
 844                                 12 => 18, // Town / Village
 845                                 13 => 18,
 846                                 14 => 22, // Suburb
 847                                 15 => 22,
 848                                 16 => 26, // Street, TODO: major street?
 849                                 17 => 26,
 850                                 18 => 30, // or >, Building
 851                                 19 => 30, // or >, Building
 852                                 );
 853                 $iMaxRank = isset($aZoomRank[$iZoom])?$aZoomRank[$iZoom]:28;
 854
 855                 // Find the nearest point
 856                 $fSearchDiam = 0.0001;
 857                 $iPlaceID = null;
 858                 $aArea = false;
 859                 $fMaxAreaDistance = 1;
 860                 while(!$iPlaceID && $fSearchDiam < $fMaxAreaDistance)
 861                 {
 862                         $fSearchDiam = $fSearchDiam * 2;
 863
 864                         // If we have to expand the search area by a large amount then we need a larger feature
 865                         // then there is a limit to how small the feature should be
 866                         if ($fSearchDiam > 2 && $iMaxRank > 4) $iMaxRank = 4;
 867                         if ($fSearchDiam > 1 && $iMaxRank > 9) $iMaxRank = 8;
 868                         if ($fSearchDiam > 0.8 && $iMaxRank > 10) $iMaxRank = 10;
 869                         if ($fSearchDiam > 0.6 && $iMaxRank > 12) $iMaxRank = 12;
 870                         if ($fSearchDiam > 0.2 && $iMaxRank > 17) $iMaxRank = 17;
 871                         if ($fSearchDiam > 0.1 && $iMaxRank > 18) $iMaxRank = 18;
 872                         if ($fSearchDiam > 0.008 && $iMaxRank > 22) $iMaxRank = 22;
 873                         if ($fSearchDiam > 0.001 && $iMaxRank > 26) $iMaxRank = 26;
 874
 875                         $sSQL = 'select place_id,parent_place_id from placex';
 876                         $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
 877                         $sSQL .= ' and rank_search != 28 and rank_search >= '.$iMaxRank;
 878                         $sSQL .= ' and (name is not null or housenumber is not null)';
 879                         $sSQL .= ' and class not in (\'waterway\')';
 880                         $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
 881                         $sSQL .= ' OR ST_DWithin('.$sPointSQL.', ST_Centroid(geometry), '.$fSearchDiam.'))';
 882                         $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', geometry) ASC limit 1';
 883                         //var_dump($sSQL);
 884                         $aPlace = $oDB->getRow($sSQL);
 885                         if (PEAR::IsError($aPlace))
 886                         {
 887                                 var_Dump($sSQL, $aPlace);
 888                                 exit;
 889                         }
 890                         $iPlaceID = $aPlace['place_id'];
 891                 }
 892
 893                 // The point we found might be too small - use the address to find what it is a child of
 894                 if ($iPlaceID)
 895                 {
 896                         $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = $iPlaceID order by cached_rank_address desc,isaddress desc,distance desc limit 1";
 897                         $iPlaceID = $oDB->getOne($sSQL);
 898                         if (PEAR::IsError($iPlaceID))
 899                         {
 900                                 var_Dump($sSQL, $iPlaceID);
 901                                 exit;
 902                         }
 903
 904                         if ($iPlaceID && $aPlace['place_id'] && $iMaxRank < 28)
 905                         {
 906                                 $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = ".$aPlace['place_id']." order by cached_rank_address desc,isaddress desc,distance desc";
 907                                 $iPlaceID = $oDB->getOne($sSQL);
 908                                 if (PEAR::IsError($iPlaceID))
 909                                 {
 910                                         var_Dump($sSQL, $iPlaceID);
 911                                         exit;
 912                                 }
 913                         }
 914                         if (!$iPlaceID)
 915                         {
 916                                 $iPlaceID = $aPlace['place_id'];
 917                         }
 918                 }
 919
 920                 return $iPlaceID;
 921         }
 922
 923         function addQuotes($s)
 924         {
 925                 return "'".$s."'";
 926         }
 927
 928         // returns boolean
 929         function validLatLon($fLat,$fLon)
 930         {
 931                 return ($fLat <= 90.1 && $fLat >= -90.1 && $fLon <= 180.1 && $fLon >= -180.1);
 932         }
 933
 934         // Do we have anything that looks like a lat/lon pair?
 935         // returns array(lat,lon,query_with_lat_lon_removed)
 936         // or null
 937         function looksLikeLatLonPair($sQuery)
 938         {
 939                 $sFound    = null;
 940                 $fQueryLat = null;
 941                 $fQueryLon = null;
 942
 943                 // degrees decimal minutes
 944                 // N 40 26.767, W 79 58.933
 945                 // N 40°26.767′, W 79°58.933′
 946                 //                  1         2                   3                  4         5            6
 947                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*?\\b/', $sQuery, $aData))
 948                 {
 949                         $sFound    = $aData[0];
 950                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 951                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 952                 }
 953                 // degrees decimal minutes
 954                 // 40 26.767 N, 79 58.933 W
 955                 // 40° 26.767′ N 79° 58.933′ W
 956                 //                      1             2                      3          4            5                    6
 957                 elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\b/', $sQuery, $aData))
 958                 {
 959                         $sFound    = $aData[0];
 960                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 961                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 962                 }
 963                 // degrees decimal seconds
 964                 // N 40 26 46 W 79 58 56
 965                 // N 40° 26′ 46″ W, 79° 58′ 56″
 966                 //                      1        2            3            4                5        6            7            8
 967                 elseif (preg_match('/\\b([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\b/', $sQuery, $aData))
 968                 {
 969                         $sFound    = $aData[0];
 970                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
 971                         $fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
 972                 }
 973                 // degrees decimal seconds
 974                 // 40 26 46 N 79 58 56 W
 975                 // 40° 26′ 46″ N, 79° 58′ 56″ W
 976                 //                      1            2            3            4          5            6            7            8
 977                 elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([EW])\\b/', $sQuery, $aData))
 978                 {
 979                         $sFound    = $aData[0];
 980                         $fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
 981                         $fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
 982                 }
 983                 // degrees decimal
 984                 // N 40.446° W 79.982°
 985                 //                      1        2                               3        4
 986                 elseif (preg_match('/\\b([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\b/', $sQuery, $aData))
 987                 {
 988                         $sFound    = $aData[0];
 989                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
 990                         $fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
 991                 }
 992                 // degrees decimal
 993                 // 40.446° N 79.982° W
 994                 //                      1                           2          3                           4
 995                 elseif (preg_match('/\\b([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\b/', $sQuery, $aData))
 996                 {
 997                         $sFound    = $aData[0];
 998                         $fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
 999                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
1000                 }
1001                 // degrees decimal
1002                 // 12.34, 56.78
1003                 // [12.456,-78.90]
1004                 //                   1          2                             3                        4
1005                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData))
1006                 {
1007                         $sFound    = $aData[0];
1008                         $fQueryLat = $aData[2];
1009                         $fQueryLon = $aData[3];
1010                 }
1011
1012                 if (!validLatLon($fQueryLat, $fQueryLon)) return;
1013                 $sQuery = trim(str_replace($sFound, ' ', $sQuery));
1014
1015                 return array('lat' => $fQueryLat, 'lon' => $fQueryLon, 'query' => $sQuery);
1016         }