From 311666d97d9c6e5492a60c86753cb88757f5f242 Mon Sep 17 00:00:00 2001
From: vitalisator <vitali.kari@gmail.com>
Date: Sun, 25 Oct 2015 19:21:30 +0100
Subject: [PATCH 1/2] change default solver to hierarchicalRepulsion, some
 default presets in visjs

---
 includes/defaults.inc.php | 58 +++++++++++++++++++++++++++++++--------
 1 file changed, 46 insertions(+), 12 deletions(-)

diff --git a/includes/defaults.inc.php b/includes/defaults.inc.php
index f3af33e22..e7da46d70 100644
--- a/includes/defaults.inc.php
+++ b/includes/defaults.inc.php
@@ -344,7 +344,7 @@ $config['network_map_vis_options'] = '{
         enabled: false
     },
     font: {
-        size: 12,
+        size: 14,
         color: "red",
         face: "sans",
         background: "white",
@@ -354,19 +354,53 @@ $config['network_map_vis_options'] = '{
     }
   },
   "physics": {
-    "forceAtlas2Based": {
-      "gravitationalConstant": -800,
-      "centralGravity": 0.03,
-      "springLength": 50,
-      "springConstant": 0,
-      "damping": 1,
+     "barnesHut": {
+      "gravitationalConstant": -2000,
+      "centralGravity": 0.3,
+      "springLength": 200,
+      "springConstant": 0.04,
+      "damping": 0.09,
       "avoidOverlap": 1
     },
-    "maxVelocity": 50,
-    "minVelocity": 0.01,
-    "solver": "forceAtlas2Based",
-    "timestep": 0.30
-  }
+
+     "forceAtlas2Based": {
+      "gravitationalConstant": -50,
+      "centralGravity": 0.01,
+      "springLength": 200,
+      "springConstant": 0.08,
+      "damping": 0.4,
+      "avoidOverlap": 1
+    },
+    
+     "repulsion": {
+      "centralGravity": 0.2,
+      "springLength": 250,
+      "springConstant": 0.2,
+      "nodeDistance": 200,
+      "damping": 0.07
+    },
+
+     "hierarchicalRepulsion": {
+      "nodeDistance": 300,
+      "centralGravity": 0.2,
+      "springLength": 300,
+      "springConstant": 0.2,
+      "damping": 0.07
+    },
+    
+  "maxVelocity": 50,
+  "minVelocity": 0.4,
+  "solver": "hierarchicalRepulsion",
+  "stabilization": {
+    "enabled": true,
+    "iterations": 1000,
+    "updateInterval": 100,
+    "onlyDynamicEdges": false,
+    "fit": true
+  },
+
+  "timestep": 0.5,
+ }
 }';
 
 // Device page options

From 96e9aeff7021d34ee4bd185984d7063c91797923 Mon Sep 17 00:00:00 2001
From: vitalisator <vitali.kari@gmail.com>
Date: Sun, 25 Oct 2015 19:35:08 +0100
Subject: [PATCH 2/2] reduce jittering on big networks

---
 includes/defaults.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/defaults.inc.php b/includes/defaults.inc.php
index e7da46d70..7f1e7bd77 100644
--- a/includes/defaults.inc.php
+++ b/includes/defaults.inc.php
@@ -399,7 +399,7 @@ $config['network_map_vis_options'] = '{
     "fit": true
   },
 
-  "timestep": 0.5,
+  "timestep": 0.4,
  }
 }';