osm-search/Nominatim
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Check for positive polygon simplification threshold

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Don't run the simplification function if no threshold was given
(or in case of a negative one).  Also process the query string
parameter in case of html out format.
This commit is contained in:
Oleksandr Shulgin 2015-04-29 16:13:39 +02:00
parent ab47773604
commit 46e64bd933
2 changed files with 15 additions and 4 deletions
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11
lib/Geocode.php
View File

@ -1618,7 +1618,16 @@
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";
$sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry from placex where place_id = ".$aResult['place_id'].") as plx";
$sFrom = " from placex where place_id = ".$aResult['place_id'];
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))
{

8
website/search.php
View File

@ -44,8 +44,6 @@
$bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
$bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
$bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
$fThreshold = 0.0;
if (isset($_GET['polygon_threshold'])) $fThreshold = (float)$_GET['polygon_threshold'];
if ( ( ($bAsGeoJSON?1:0)
+ ($bAsKML?1:0)
+ ($bAsSVG?1:0)
@ -68,9 +66,13 @@
$oGeocode->setIncludePolygonAsGeoJSON($bAsGeoJSON);
$oGeocode->setIncludePolygonAsKML($bAsKML);
$oGeocode->setIncludePolygonAsSVG($bAsSVG);
$oGeocode->setPolygonSimplificationThreshold($fThreshold);
}
// Polygon simplification threshold (optional)
$fThreshold = 0.0;
if (isset($_GET['polygon_threshold'])) $fThreshold = (float)$_GET['polygon_threshold'];
$oGeocode->setPolygonSimplificationThreshold($fThreshold);
$oGeocode->loadParamArray($_GET);
if (CONST_Search_BatchMode && isset($_GET['batch']))