so others may contribute

code/portal_info.js

@@ -0,0 +1,41 @@
+
+
+// PORTAL DETAILS TOOLS //////////////////////////////////////////////
+// hand any of these functions the details-hash of a portal, and they
+// will return useful, but raw data.
+
+// returns a float. Displayed portal level is always rounded down from
+// that value.
+window.getPortalLevel = function(d) {
+  var lvl = 0;
+  $.each(d.resonatorArray.resonators, function(ind, reso) {
+    if(!reso) return true;
+    lvl += parseInt(reso.level);
+  });
+  return lvl/8;
+}
+
+window.getPortalEnergy = function(d) {
+  var nrg = 0;
+  $.each(d.resonatorArray.resonators, function(ind, reso) {
+    if(!reso) return true;
+    nrg += parseInt(reso.energyTotal);
+  });
+  return nrg;
+}
+
+window.getPortalRange = function(d) {
+  // formula by the great gals and guys at
+  // http://decodeingress.me/2012/11/18/ingress-portal-levels-and-link-range/
+  return 160*Math.pow(getPortalLevel(d), 4);
+}
+
+window.getAvgResoDist = function(d) {
+  var sum = 0, resos = 0;
+  $.each(d.resonatorArray.resonators, function(ind, reso) {
+    if(!reso) return true;
+    sum += parseInt(reso.distanceToPortal);
+    resos++;
+  });
+  return sum/resos;
+}