1 files changed, 34 insertions, 0 deletions
diff --git a/js/mv/heap.js b/js/mv/heap.js
new file mode 100644
index 0000000..bd1d583
--- /dev/null
+++ b/js/mv/heap.js
@@ -0,0 +1,34 @@
+var mv = function(mv) {
+  mv.heap = function() {
+    var heap = {};
+    heap.init = function() {
+      function a(p, d) { return { e: p.e + d.e, j: p.j + d.j, r: p.r + 1 }; }
+      function s(p, d) { return { e: p.e - d.e, j: p.j - d.j, r: p.r - 1 }; }
+      function z(p, d) { return { e: 0, j: 0, r: 0 }; }
+      heap.cfdata = crossfilter(mv.parser.records);
+      heap.all = heap.cfdata.groupAll().reduce(a, s, z);
+      monoGroup("date", function(d) { return d3.time.hour.round(d.date); });
+      monoGroup("pc", function(d) { return d.pc; });
+      monoGroup("map", function(d) { return d.map; }).reduce(a, s, z);
+      monoGroup("blvl", function(d) { return d.pcstat ? d.pcstat.blvl : 0; });
+      monoGroup("type", function(d) { return d.type; });
+      monoGroup("target", function(d) { return d.target; });
+      monoGroup("wpn", function(d) { return d.wpn; })
+      /* Debugging group */
+      /*
+       * How well defined a record is.
+       *  0 -> Record contains undefined data
+       *  1 -> Record is defined, but undefined records follow and may impede validity of findings
+       *  2 -> Record and all succeeding records are well defined
+       */
+      monoGroup("def", function(d) { if (d.pcstat == undefined) { return 0; } if (d.date <= mv.parser.fullyDefinedCutoff()) { return 1; } return 2; });
+      heap.def.dim.filterExact(2);
+    }
+    function monoGroup(name, mapping) {
+      heap[name] = {};
+      return heap[name].group = (heap[name].dim = heap.cfdata.dimension(mapping)).group();
+    }
+    return heap;
+  }();
+  return mv;
+}(mv || {});