From 7e57495c220ae40d95d22923e1202c75ca0b69c6 Mon Sep 17 00:00:00 2001
From: Freenerd <nospam@freenerd.de>
Date: Wed, 20 Jan 2016 20:25:54 +0100
Subject: [PATCH] Add gps precision to url

---
 README.md    | 3 ++-
 src/match.js | 9 ++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index ea9acb0..325cf74 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,8 @@ name | required? | description
 ---- | --------- | -----------
 `profile` | required | Profile to match trace against. Options are `driving`, `walking` and `cycling`
 `mapMatchAPI` | optional | Custom API endpoint to query. Overrides the `profile` option`
-`gpsPrecision` | optional | Integer indicating the precision of the input geometries in metres (default: 5)
+`gpsPrecision` | optional | Integer indicating the precision of the gps device capturing the input geometries, sensitivity in metres (default: 5)
+`minimumDistance` | optional | When tidying up input geometries what is the minimum distance between points in meters (default: 10)
 `return` | optional | Type of object to return after matching. Options are `layer` (default) returns a leaflet featureLayer, `geojson` returns a geojson feature collection
 
 ## Development
diff --git a/src/match.js b/src/match.js
index ddedb47..f1b637e 100644
--- a/src/match.js
+++ b/src/match.js
@@ -5,7 +5,6 @@ var xhr = require('xhr'),
     polyline = require('polyline'),
     queue = require('queue-async');
 
-
 var VALID_PROFILES = [
     'driving',
     'walking',
@@ -26,6 +25,10 @@ function match(geojson, options, callback) {
     }
     var xhrUrl = mapMatchAPI + "?access_token=" + L.mapbox.accessToken + "&geometry=polyline";
 
+    if (options.gpsPrecision) {
+        xhrUrl += "&gps_precision=" + options.gpsPrecision;
+    }
+
     // empty queue for storing responses
     var q = queue();
 
@@ -66,7 +69,7 @@ function match(geojson, options, callback) {
     // First tidy the input geojson to remove noisy points and match every feature using the API
 
     var inputGeometries = tidy.tidy(geojson, {
-        "minimumDistance": options.gpsPrecision || 10,
+        "minimumDistance": options.minimumDistance || 10,
         "minimumTime": 5,
         "maximumPoints": 100
     });
@@ -102,4 +105,4 @@ module.exports = function (feature, options, callback) {
         options = {};
     }
     return new match(feature, options, callback);
-};
\ No newline at end of file
+};