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added comments and improved geOutline function

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gemo1011
2018-06-26 15:16:19 +02:00
parent 97b6656182
commit 1d7ed6737e
2 changed files with 18 additions and 12 deletions
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13
lib/PlaceLookup.php
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@@ -538,14 +538,8 @@ class PlaceLookup
// 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(closest_point)';
$sSQL .= ' ELSE ST_Y(centroid) ';
$sSQL .= ' END as centrelat, ';
$sSQL .= ' CASE WHEN (class = \'highway\') AND (ST_GeometryType(geometry) = \'ST_LineString\') THEN';
$sSQL .= ' ST_X(closest_point)';
$sSQL .= ' ELSE ST_X(centroid) ';
$sSQL .= ' END as centrelon, ';
$sSQL .= ' ST_Y(closest_point) as centrelat,';
$sSQL .= ' ST_X(closest_point) as centrelon,';
} else {
$sSQL .= ' ST_Y(centroid) as centrelat, ST_X(centroid) as centrelon,';
}
@@ -557,7 +551,8 @@ class PlaceLookup
if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ',ST_AsText(geometry) as astext';
if ($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)) END AS closest_point';
$sFrom .=' ST_ClosestPoint(geometry, ST_SetSRID(ST_Point('.$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;