class ReverseGeocode
{
protected $oDB;
-
- protected $fLat;
- protected $fLon;
protected $iMaxRank = 28;
- protected $aLangPrefOrder = array();
-
- protected $bIncludePolygonAsPoints = false;
- protected $bIncludePolygonAsText = false;
- protected $bIncludePolygonAsGeoJSON = false;
- protected $bIncludePolygonAsKML = false;
- protected $bIncludePolygonAsSVG = false;
- protected $fPolygonSimplificationThreshold = 0.0;
-
function ReverseGeocode(&$oDB)
{
$this->oDB =& $oDB;
}
- function setLanguagePreference($aLangPref)
- {
- $this->aLangPrefOrder = $aLangPref;
- }
-
- function setLatLon($fLat, $fLon)
- {
- $this->fLat = (float)$fLat;
- $this->fLon = (float)$fLon;
- }
-
- function setRank($iRank)
- {
- $this->iMaxRank = $iRank;
- }
-
function setZoom($iZoom)
{
// Zoom to rank, this could probably be calculated but a lookup gives fine control
$this->iMaxRank = (isset($iZoom) && isset($aZoomRank[$iZoom]))?$aZoomRank[$iZoom]:28;
}
- 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 = $f;
- }
-
// returns { place_id =>, type => '(osm|tiger)' }
// fails if no place was found
- function lookup()
+ function lookup($fLat, $fLon, $bDoInterpolation = true)
{
- $sPointSQL = 'ST_SetSRID(ST_Point('.$this->fLon.','.$this->fLat.'),4326)';
+ $sPointSQL = 'ST_SetSRID(ST_Point('.$fLon.','.$fLat.'),4326)';
$iMaxRank = $this->iMaxRank;
$iMaxRank_orig = $this->iMaxRank;
$bIsInUnitedStates = ($aPlace['calculated_country_code'] == 'us');
}
// if a street or house was found, look in interpolation lines table
- if ($iMaxRank_orig >= 28 && $aPlace && $aPlace['rank_search'] >= 26)
+ if ($bDoInterpolation && $iMaxRank_orig >= 28 && $aPlace && $aPlace['rank_search'] >= 26)
{
// if a house was found, search the interpolation line that is at least as close as the house
$sSQL = 'SELECT place_id, parent_place_id, 30 as rank_search, ST_line_locate_point(linegeo,'.$sPointSQL.') as fraction';
$iPlaceID = $aPlaceLine['place_id'];
$iParentPlaceID = $aPlaceLine['parent_place_id']; // the street
$fFraction = $aPlaceLine['fraction'];
+ $iMaxRank = 30;
}
// else: nothing to do, take placex house from above
}
$iPlaceID = $aPlaceLine['place_id'];
$iParentPlaceID = $aPlaceLine['parent_place_id']; // the street
$fFraction = $aPlaceLine['fraction'];
+ $iMaxRank = 30;
}
}
}
// Only street found? If it's in the US we can check TIGER data for nearest housenumber
- if (CONST_Use_US_Tiger_Data && $bIsInUnitedStates && $iMaxRank_orig >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 ))
+ if (CONST_Use_US_Tiger_Data && $bDoInterpolation && $bIsInUnitedStates && $iMaxRank_orig >= 28 && $iPlaceID && ($aPlace['rank_search'] == 26 || $aPlace['rank_search'] == 27 ))
{
$fSearchDiam = 0.001;
$sSQL = 'SELECT place_id,parent_place_id,30 as rank_search, ST_line_locate_point(linegeo,'.$sPointSQL.') as fraction';
$iPlaceID = $aPlaceTiger['place_id'];
$iParentPlaceID = $aPlaceTiger['parent_place_id']; // the street
$fFraction = $aPlaceTiger['fraction'];
+ $iMaxRank = 30;
}
}
}
}
return array('place_id' => $iPlaceID,
- 'type' => $bPlaceIsTiger ? 'tiger' : $bPlaceIsLine ? 'interpolation' : 'osm',
+ 'type' => $bPlaceIsTiger ? 'tiger' : ($bPlaceIsLine ? 'interpolation' : 'osm'),
'fraction' => ($bPlaceIsTiger || $bPlaceIsLine) ? $fFraction : -1);
}