From fe49eb97c8ac7789c6e2cbe786bf03a9b14edab1 Mon Sep 17 00:00:00 2001
From: Louis Rossouw <lrossouw@gmail.com>
Date: Wed, 29 Jul 2015 02:00:26 +0200
Subject: [PATCH] Add documentation on network map vis options.

---
 doc/Extensions/Network-Map.md | 38 +++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/doc/Extensions/Network-Map.md b/doc/Extensions/Network-Map.md
index c8496c83d2..b231a318b6 100644
--- a/doc/Extensions/Network-Map.md
+++ b/doc/Extensions/Network-Map.md
@@ -15,3 +15,41 @@ Either remove mac or xdp depending on which you want.
 
 A global map will be drawn from the information in the database, it is worth noting that this could lead to a large network map. 
 Network maps for individual devices are available showing the relationship with other devices.
+
+One can also specicify the parameters to be used for drawing and updateing the network map.  
+Please see http://visjs.org/docs/network/ for details on the configuration parameters.
+```php
+$config['network_map_vis_options'] = '{
+  layout:{
+      randomSeed:2
+  },
+  "edges": {
+    "smooth": {
+        enabled: false
+    },
+    font: {
+        size: 12,
+        color: "red",
+        face: "sans",
+        background: "white",
+        strokeWidth:3,
+        align: "middle",
+        strokeWidth: 2
+    }
+  },
+  "physics": {
+    "forceAtlas2Based": {
+      "gravitationalConstant": -800,
+      "centralGravity": 0.03,
+      "springLength": 50,
+      "springConstant": 0,
+      "damping": 1,
+      "avoidOverlap": 1
+    },
+    "maxVelocity": 50,
+    "minVelocity": 0.01,
+    "solver": "forceAtlas2Based",
+    "timestep": 0.30
+  }
+}';
+```