fixup typos and linking of data-source docs

[nominatim.git] / lib / SearchContext.php

diff --git a/lib/SearchContext.php b/lib/SearchContext.php
index 3e722d87af9b318c055fcae60058298061a0b20f..84159b83ca21c660112df8d4c8ed27837ff6ce19 100644 (file)
--- a/lib/SearchContext.php
+++ b/lib/SearchContext.php
@@ -47,7 +47,7 @@ class SearchContext
     /**
      * Get radius around reference point.
      *
-     * @return float Search radius around refernce point.
+     * @return float Search radius around reference point.
      */
     public function nearRadius()
     {
@@ -108,8 +108,8 @@ class SearchContext
             $aViewBox[3]
         );
 
-        $fHeight = $aViewBox[0] - $aViewBox[2];
-        $fWidth = $aViewBox[1] - $aViewBox[3];
+        $fHeight = abs($aViewBox[0] - $aViewBox[2]);
+        $fWidth = abs($aViewBox[1] - $aViewBox[3]);
 
         $this->sqlViewboxLarge = sprintf(
             'ST_SetSRID(ST_MakeBox2D(ST_Point(%F,%F),ST_Point(%F,%F)),4326)',
@@ -267,4 +267,18 @@ class SearchContext
 
         return '';
     }
+
+    public function debugInfo()
+    {
+        return array(
+                'Near radius' => $this->fNearRadius,
+                'Near point (SQL)' => $this->sqlNear,
+                'Bounded viewbox' => $this->bViewboxBounded,
+                'Viewbox (SQL, small)' => $this->sqlViewboxSmall,
+                'Viewbox (SQL, large)' => $this->sqlViewboxLarge,
+                'Viewbox (SQL, centre)' => $this->sqlViewboxCentre,
+                'Countries (SQL)' => $this->sqlCountryList,
+                'Excluded IDs (SQL)' => $this->sqlExcludeList
+               );
+    }
 }