}
// Show / use polygons
- $bShowPolygons = isset($_GET['polygon']) && $_GET['polygon'];
+ $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
+ $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
+ $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
+ $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
+ $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
+ if ((($bShowPolygons?1:0)
+ + ($bAsGeoJSON?1:0)
+ + ($bAsKML?1:0)
+ + ($bAsSVG?1:0)
+ + ($bAsTEXT?1:0)
+ ) > CONST_PolygonOutput_MaximumTypes) {
+ if (CONST_PolygonOutput_MaximumTypes) {
+ userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
+ } else {
+ userError("Polygon output is disabled");
+ }
+ exit;
+ }
// Show address breakdown
$bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
$aPoints = explode(',',$_GET['route']);
if (sizeof($aPoints) % 2 != 0)
{
- echo "Uneven number of points";
+ userError("Uneven number of points");
exit;
}
$sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
$aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
if (PEAR::isError($aPhrase))
{
- echo "Illegal query string (not an UTF-8 string): ".$sPhrase;
+ userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
if (CONST_Debug) var_dump($aPhrase);
exit;
}
{
$sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
- $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
+ $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid) and linked_place_id is null";
if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
$sSQL .= " limit $iLimit";
{
$sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
- $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
+ $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid) and linked_place_id is null";
if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
$sSQL .= " limit $iLimit";
else
{
$sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
- $sSQL .= " and st_contains($sViewboxSmallSQL, geometry)";
+ $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
$sSQL .= " limit $iLimit";
{
// If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
$sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
+ $sSQL = " and linked_place_id is null";
if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
$sSQL .= " order by rank_search asc limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$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_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
- $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon,";
- $sSQL .= "ST_AsText(geometry) as outlinestring from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
+ $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
+ if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
+ if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
+ if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
+ if ($bAsText) $sSQL .= ",ST_AsText(geometry) as astext";
+ if ($bShowPolygons) $sSQL .= ",ST_AsText(geometry) as outlinestring";
+ $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
$aPointPolygon = $oDB->getRow($sSQL);
if (PEAR::IsError($aPointPolygon))
{
}
if ($aPointPolygon['place_id'])
{
+ if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
+ if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
+ if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
+ if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
+
if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
$aResult['lat'] = $aPointPolygon['centrelat'];
$aResult['lon'] = $aPointPolygon['centrelon'];
}
- // Translate geometary string to point array
- if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
- {
- preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
- }
- elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
+ if ($bShowPolygons)
{
- $fRadius = 0.01;
- $iSteps = ($fRadius * 40000)^2;
- $fStepSize = (2*pi())/$iSteps;
- $aPolyPoints = array();
- for($f = 0; $f < 2*pi(); $f += $fStepSize)
+ // Translate geometary string to point array
+ if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
{
- $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
+ preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+ }
+ elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
+ {
+ preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+ }
+ elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
+ {
+ $fRadius = 0.01;
+ $iSteps = ($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)));
+ }
+ $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
+ $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
+ $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
+ $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
}
- $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
- $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
- $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
- $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
}
// Output data suitable for display (points and a bounding box)