document polygon_threashold parameter

[nominatim.git] / docs / api / Search.md

diff --git a/docs/api/Search.md b/docs/api/Search.md
index e166abaf60a7f1f74e20c786d4ba32f10966ca39..17e745877e74e3bbe707ad3cae54d5672fae6abf 100644 (file)
--- a/docs/api/Search.md
+++ b/docs/api/Search.md
@@ -106,6 +106,12 @@ Structured requests are faster and require fewer server resources. **Do not comb
 * `polygon_text=1`
     * Output geometry of results as a WKT.
 
+* `polygon_threshold=0.0`
+    * defaults to 0.0
+    * Simplify the output geometry before returning. The parameter is the
+      tolerance in degrees with which the geometry may differ from the original
+      geometry. Topology is preserved in the result.
+
 * `extratags=1`
     * Include additional information in the result if available, e.g. wikipedia link, opening hours.
 
@@ -213,4 +219,4 @@ Structured requests are faster and require fewer server resources. **Do not comb
         "place_id": "1453068",
         "type": "bakery"
     }
-```
\ No newline at end of file
+```