--- /dev/null
+++ b/admin/directory.gexf.php
@@ -1,1 +1,59 @@
+<?php
 
+$nodes = Array(Array("id" => "gov", "label" => "Federal Government"));
+$edges = Array();
+
+function addEdge($source, $target) {
+    global $edges;
+    $edges[] = Array("id" => md5($source . $target), "source" => $source, "target" => $target);
+}
+
+function addNode($id, $label, $pid) {
+    global $nodes;
+    $nodes[] = Array("id" => $id, "label" => $label , "pid" => $pid);
+}
+
+function addChildren($parentID, $parentXML) {
+    foreach ($parentXML as $childXML) {
+
+        if ($childXML->getName() == "organization" || $childXML->getName() == "organizationalUnit" || $childXML->getName() == "person") {
+            $attr = $childXML->attributes();
+            $id = $attr['UUID'];
+            if ($childXML->getName() == "organization" || $childXML->getName() == "organizationalUnit") {
+
+                $label = $childXML->name;
+            } else if ($childXML->getName() == "person") {
+                  $label = $childXML->fullName;
+            }
+            addNode($id, $label, $parentID);
+            addEdge($id, $parentID);
+            addChildren($id, $childXML);
+        }
+    }
+}
+
+if (file_exists('directoryexport.xml')) {
+    $xml = simplexml_load_file('directoryexport.xml');
+
+    addChildren("gov", $xml);
+} else {
+    exit('Failed to open directoryexport.xml');
+}
+  header('Content-Type: application/gexf+xml');
+echo '<?xml version="1.0" encoding="UTF-8"?>
+<gexf xmlns="http://www.gexf.net/1.2draft" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/gexf.xsd" version="1.2">
+    <graph mode="static" defaultedgetype="directed">
+        <nodes>';
+foreach ($nodes as $node) {
+    echo '          <node id="' . $node['id'] . '" label="' . htmlentities($node['label'],ENT_XML1) . '" ' . (isset($node['pid']) ? 'pid="' . $node['pid'] . '"' : "") . ' />';
+}
+echo '</nodes>
+        <edges>';
+foreach ($edges as $edge) {
+    echo '            <edge id="' . $edge['id'] . '" source="' . $edge['source'] . '" target="' . $edge['target'] . '" />';
+}
+echo '</edges>
+    </graph>
+</gexf>';
+?>
+

--- /dev/null
+++ b/admin/directoryexport.xml

--- a/bubbletree.php
+++ b/bubbletree.php
@@ -24,7 +24,7 @@
 $color = new Lux_Color();
 
 $portfolios = Array();
-
+$total = 0;
 $db = $server->get_db('disclosr-agencies');
 try {
     $rows = $db->get_view("app", "byDeptStateName", null, true)->rows;
@@ -42,10 +42,15 @@
     foreach ($rows as $row) {
 	$employees = 0;
 	$portfolioid = 0;
-	if ($row->value->employees) $employees = $row->value->employees;
+	if (isset($row->value->employees)) $employees = $row->value->employees;
 	if (isset($row->value->statistics->employees)) {
 $agencyEmployeesArray = object_to_array($row->value->statistics->employees);
+if (isset($agencyEmployeesArray["2010-2011"]["value"])) {
  $employees = $agencyEmployeesArray["2010-2011"]["value"];
+} else {
+    // get last year that is recorded? throw error?
+    continue;
+}
 }
 if (!($employees > 0)) $employees =0;
 	if (isset($row->value->parentOrg)) $portfolioid = $row->value->parentOrg;