Merge branch 'geojson-output' of https://github.com/mtmail/Nominatim into mtmail...

[nominatim.git] / lib / PlaceLookup.php

diff --git a/lib/PlaceLookup.php b/lib/PlaceLookup.php
index 93ffd6a0945ae708b04be1700ea6e2bc91d33562..57d6166e6c3e400e3d3803f535d026f820d6b23e 100644 (file)
--- a/lib/PlaceLookup.php
+++ b/lib/PlaceLookup.php
@@ -11,6 +11,7 @@ class PlaceLookup
     protected $aLangPrefOrderSql = "''";
 
     protected $bAddressDetails = false;
+    protected $bAddressAdminLevels = false;
     protected $bExtraTags = false;
     protected $bNameDetails = false;
 
@@ -42,6 +43,16 @@ class PlaceLookup
         $this->bIncludePolygonAsPoints = $b;
     }
 
+    public function setAddressDetails($b = true)
+    {
+        $this->bAddressDetails = $b;
+    }
+
+    public function setAddressAdminLevels($b = true)
+    {
+        $this->bAddressAdminLevels = $b;
+    }
+
     public function loadParamArray($oParams, $sGeomType = null)
     {
         $aLangs = $oParams->getPreferredLanguages();
@@ -54,17 +65,21 @@ class PlaceLookup
 
         $this->bDeDupe = $oParams->getBool('dedupe', $this->bDeDupe);
 
-        if ($sGeomType === null || $sGeomType == 'text') {
-            $this->bIncludePolygonAsText = $oParams->getBool('polygon_text');
-        }
         if ($sGeomType === null || $sGeomType == 'geojson') {
             $this->bIncludePolygonAsGeoJSON = $oParams->getBool('polygon_geojson');
+            $this->bIncludePolygonAsPoints = false;
         }
-        if ($sGeomType === null || $sGeomType == 'kml') {
-            $this->bIncludePolygonAsKML = $oParams->getBool('polygon_kml');
-        }
-        if ($sGeomType === null || $sGeomType == 'svg') {
-            $this->bIncludePolygonAsSVG = $oParams->getBool('polygon_svg');
+
+        if ($oParams->getString('format', '') !== 'geojson') {
+            if ($sGeomType === null || $sGeomType == 'text') {
+                $this->bIncludePolygonAsText = $oParams->getBool('polygon_text');
+            }
+            if ($sGeomType === null || $sGeomType == 'kml') {
+                $this->bIncludePolygonAsKML = $oParams->getBool('polygon_kml');
+            }
+            if ($sGeomType === null || $sGeomType == 'svg') {
+                $this->bIncludePolygonAsSVG = $oParams->getBool('polygon_svg');
+            }
         }
         $this->fPolygonSimplificationThreshold
             = $oParams->getFloat('polygon_threshold', 0.0);
@@ -429,6 +444,13 @@ class PlaceLookup
                 );
             }
 
+            if ($this->bAddressAdminLevels) {
+                $aPlace['aAddressAdminLevels'] = $this->getAddressAdminLevels(
+                    $aPlace['place_id'],
+                    $aPlace['housenumber']
+                );
+            }
+
             if ($this->bExtraTags) {
                 if ($aPlace['extra']) {
                     $aPlace['sExtraTags'] = json_decode($aPlace['extra']);
@@ -514,6 +536,33 @@ class PlaceLookup
         return $aAddress;
     }
 
+    /* "Downing Street, London"
+     * [
+     *   "level15" => "Covent Garden",
+     *   "level8" => "Westminster",
+     *   "level6" => "London",
+     *   "level5" => "Greater London",
+     *   "level4" => "England",
+     *   "level2" => "United Kingdom"
+     * ]
+     */
+
+    public function getAddressAdminLevels($iPlaceID, $sHousenumber = null)
+    {
+        $aAddressLines = $this->getAddressDetails(
+            $iPlaceID,
+            false,
+            $sHousenumber === null ? -1 : $sHousenumber
+        );
+
+        $aAddress = array();
+        foreach ($aAddressLines as $aLine) {
+            if (isset($aLine['admin_level'])) {
+                $aAddress['level'.$aLine['admin_level']] = $aLine['localname'];
+            }
+        }
+        return $aAddress;
+    }
 
 
     /* returns an array which will contain the keys
@@ -536,28 +585,27 @@ class PlaceLookup
 
         if (CONST_Search_AreaPolygons) {
             // Get the bounding box and outline polygon
-            $sSQL = 'select place_id,0 as numfeatures,st_area(geometry) as area,'; 
-            if ($fLonReverse != null && $fLatReverse != null) { 
-                $sSQL .= ' CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN'; 
-                $sSQL .= ' ST_Y(ST_LineInterpolatePoint(geometry,'; 
-                $sSQL .= ' ST_LineLocatePoint(geometry, ST_SetSRID(ST_Point('.$fLatReverse.','.$fLonReverse.'),4326))))'; 
-                $sSQL .= ' ELSE ST_Y(centroid) '; 
-                $sSQL .= ' END as centrelat, '; 
-                $sSQL .= ' CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN'; 
-                $sSQL .= ' ST_X(ST_LineInterpolatePoint(geometry,'; 
-                $sSQL .= ' ST_LineLocatePoint(geometry, ST_SetSRID(ST_Point('.$fLatReverse.','.$fLonReverse.'),4326))))'; 
-                $sSQL .= ' ELSE ST_X(centroid) '; 
-                $sSQL .= ' END as centrelon, '; 
-            } else { 
-                $sSQL .= ' ST_Y(centroid) as centrelat, ST_X(centroid) as centrelon,'; 
-            } 
-            $sSQL .= ' ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,'; 
-            $sSQL .= ' ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon'; 
+            $sSQL = 'select place_id,0 as numfeatures,st_area(geometry) as area,';
+            if ($fLonReverse != null && $fLatReverse != null) {
+                $sSQL .= ' ST_Y(closest_point) as centrelat,';
+                $sSQL .= ' ST_X(closest_point) as centrelon,';
+            } else {
+                $sSQL .= ' ST_Y(centroid) as centrelat, ST_X(centroid) as centrelon,';
+            }
+            $sSQL .= ' ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,';
+            $sSQL .= ' ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon';
             if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ',ST_AsGeoJSON(geometry) as asgeojson';
             if ($this->bIncludePolygonAsKML) $sSQL .= ',ST_AsKML(geometry) as askml';
             if ($this->bIncludePolygonAsSVG) $sSQL .= ',ST_AsSVG(geometry) as assvg';
             if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ',ST_AsText(geometry) as astext';
-            $sFrom = ' from placex where place_id = '.$iPlaceID;
+            if ($fLonReverse != null && $fLatReverse != null) {
+                $sFrom = ' from (SELECT * , CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN ';
+                $sFrom .=' ST_ClosestPoint(geometry, ST_SetSRID(ST_Point('.$fLatReverse.','.$fLonReverse.'),4326))';
+                $sFrom .=' ELSE centroid END AS closest_point';
+                $sFrom .= ' from placex where place_id = '.$iPlaceID.') as plx';
+            } else {
+                $sFrom = ' from placex where place_id = '.$iPlaceID;
+            }
             if ($this->fPolygonSimplificationThreshold > 0) {
                 $sSQL .= ' from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,'.$this->fPolygonSimplificationThreshold.') as geometry'.$sFrom.') as plx';
             } else {