protected $bNameDetails = false;
+ protected $bIncludePolygonAsPoints = false;
+ protected $bIncludePolygonAsText = false;
+ protected $bIncludePolygonAsGeoJSON = false;
+ protected $bIncludePolygonAsKML = false;
+ protected $bIncludePolygonAsSVG = false;
+ protected $fPolygonSimplificationThreshold = 0.0;
+
+
function PlaceLookup(&$oDB)
{
$this->oDB =& $oDB;
}
}
+
+ function setIncludePolygonAsPoints($b = true)
+ {
+ $this->bIncludePolygonAsPoints = $b;
+ }
+
+ function getIncludePolygonAsPoints()
+ {
+ return $this->bIncludePolygonAsPoints;
+ }
+
+ function setIncludePolygonAsText($b = true)
+ {
+ $this->bIncludePolygonAsText = $b;
+ }
+
+ function getIncludePolygonAsText()
+ {
+ return $this->bIncludePolygonAsText;
+ }
+
+ function setIncludePolygonAsGeoJSON($b = true)
+ {
+ $this->bIncludePolygonAsGeoJSON = $b;
+ }
+
+ function setIncludePolygonAsKML($b = true)
+ {
+ $this->bIncludePolygonAsKML = $b;
+ }
+
+ function setIncludePolygonAsSVG($b = true)
+ {
+ $this->bIncludePolygonAsSVG = $b;
+ }
+
+ function setPolygonSimplificationThreshold($f)
+ {
+ $this->fPolygonSimplificationThreshold = $f;
+ }
+
+
function setPlaceID($iPlaceID)
{
$this->iPlaceID = $iPlaceID;
return $aAddress;
}
+
+
+ // returns an array which will contain the keys
+ // aBoundingBox
+ // and may also contain one or more of the keys
+ // asgeojson
+ // askml
+ // assvg
+ // astext
+ // lat
+ // lon
+ function getOutlines($iPlaceID, $fLon=null, $fLat=null, $fRadius=null)
+ {
+
+ $aOutlineResult = array();
+ if (!$iPlaceID) return $aOutlineResult;
+
+ if (CONST_Search_AreaPolygons)
+ {
+ // Get the bounding box and outline polygon
+ $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
+ $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 ($this->fPolygonSimplificationThreshold > 0)
+ {
+ $sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry".$sFrom.") as plx";
+ }
+ else
+ {
+ $sSQL .= $sFrom;
+ }
+
+ $aPointPolygon = $this->oDB->getRow($sSQL);
+ if (PEAR::IsError($aPointPolygon))
+ {
+ echo var_dump($aPointPolygon);
+ failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
+ }
+
+ if ($aPointPolygon['place_id'])
+ {
+ if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
+ {
+ $aOutlineResult['lat'] = $aPointPolygon['centrelat'];
+ $aOutlineResult['lon'] = $aPointPolygon['centrelon'];
+ }
+
+ if ($this->bIncludePolygonAsGeoJSON) $aOutlineResult['asgeojson'] = $aPointPolygon['asgeojson'];
+ if ($this->bIncludePolygonAsKML) $aOutlineResult['askml'] = $aPointPolygon['askml'];
+ if ($this->bIncludePolygonAsSVG) $aOutlineResult['assvg'] = $aPointPolygon['assvg'];
+ if ($this->bIncludePolygonAsText) $aOutlineResult['astext'] = $aPointPolygon['astext'];
+ if ($this->bIncludePolygonAsPoints) $aOutlineResult['aPolyPoints'] = geometryText2Points($aPointPolygon['astext'], $fRadius);
+
+
+ if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001)
+ {
+ $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
+ $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
+ }
+ if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001)
+ {
+ $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
+ $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
+ }
+
+ $aOutlineResult['aBoundingBox'] = array(
+ (string)$aPointPolygon['minlat'],
+ (string)$aPointPolygon['maxlat'],
+ (string)$aPointPolygon['minlon'],
+ (string)$aPointPolygon['maxlon']
+ );
+ }
+ } // CONST_Search_AreaPolygons
+
+ // as a fallback we generate a bounding box without knowing the size of the geometry
+ if ( (!isset($aOutlineResult['aBoundingBox'])) && isset($fLon) )
+ {
+
+ if ($this->bIncludePolygonAsPoints)
+ {
+ $sGeometryText = 'POINT('.$fLon.','.$fLat.')';
+ $aOutlineResult['aPolyPoints'] = geometryText2Points($sGeometryText, $fRadius);
+ }
+
+ $aBounds = array();
+ $aBounds['minlat'] = $fLat - $fRadius;
+ $aBounds['maxlat'] = $fLat + $fRadius;
+ $aBounds['minlon'] = $fLon - $fRadius;
+ $aBounds['maxlon'] = $fLon + $fRadius;
+
+ $aOutlineResult['aBoundingBox'] = array(
+ (string)$aBounds['minlat'],
+ (string)$aBounds['maxlat'],
+ (string)$aBounds['minlon'],
+ (string)$aBounds['maxlon']
+ );
+ }
+ return $aOutlineResult;
+ }
}
?>
projects / nominatim.git / blobdiff