X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/5cc1946dfcde07d3fa42b09e966bed247bdb50a1..49d0ce1de4106914d90f6a9c959c7c804e960aba:/lib/lib.php

diff --git a/lib/lib.php b/lib/lib.php
index 50cf3dc4..e81d85be 100644
--- a/lib/lib.php
+++ b/lib/lib.php
@@ -101,7 +101,7 @@
 	function bySearchRank($a, $b)
 	{
 		if ($a['iSearchRank'] == $b['iSearchRank'])
-            return strlen($a['sOperator']) + strlen($a['sHouseNumber']) - strlen($b['sOperator']) - strlen($b['sHouseNumber']);
+			return strlen($a['sOperator']) + strlen($a['sHouseNumber']) - strlen($b['sOperator']) - strlen($b['sHouseNumber']);
 		return ($a['iSearchRank'] < $b['iSearchRank']?-1:1);
 	}
 
@@ -1022,3 +1022,29 @@
 
 		return array('lat' => $fQueryLat, 'lon' => $fQueryLon, 'query' => $sQuery);
 	}
+
+
+
+	function geometryText2Points($geometry_as_text,$fRadius)
+	{
+		$aPolyPoints = NULL;
+		if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$geometry_as_text,$aMatch))
+		{
+			preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+		}
+		elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$geometry_as_text,$aMatch))
+		{
+			preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+		}
+		elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$geometry_as_text,$aMatch))
+		{
+			$iSteps = max(8, min(100, ($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)));
+			}
+		}
+		return $aPolyPoints;
+	}