[gnome-maps/wip/mlundblad/location-bias-scale: 2/3] graphHopperGeocode: Set location bias scale

[Marcus Lundblad <mlundblad src gnome org>]

commit 8508bc5ec444a862808a449b49c6f10c4483db90
Author: Marcus Lundblad <ml dfupdate se>
Date:   Fri Jun 10 10:22:07 2022 +0200

    graphHopperGeocode: Set location bias scale
    
    Tweak the location_bias_scale parameter.
    See: https://github.com/komoot/photon/issues/600

 src/graphHopperGeocode.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/src/graphHopperGeocode.js b/src/graphHopperGeocode.js
index ebd06aad..795215c2 100644
--- a/src/graphHopperGeocode.js
+++ b/src/graphHopperGeocode.js
@@ -31,6 +31,8 @@ import * as Utils from './utils.js';
 // HTTP session timeout (in seconds)
 const TIMEOUT = 5;
 
+const LOCATION_BIAS_SCALE = 0.2;
+
 export class GraphHopperGeocode {
     constructor() {
         this._session =
@@ -139,8 +141,11 @@ export class GraphHopperGeocode {
                                      locale:  this._language,
                                      key:     this._apiKey
                                    });
-        if (latitude !== null && longitude != null)
+        if (latitude !== null && longitude != null) {
             query.add('point', latitude + ',' + longitude);
+            if (string)
+                query.add('location_bias_scale', LOCATION_BIAS_SCALE);
+        }
 
         if (string)
             query.add('q', string);