Changeset 11015 for branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/Formatters/SymbolicExpressionTreeLatexFormatter.cs

Timestamp:

06/13/14 17:20:36 (10 years ago)

Author:

bburlacu

Message:

#1772: Added partially working implementation of a bottom-up distance calculator for symbolic expression trees. Changed latex formatter to also return a map of node ids (useful when wanting to display trees side by side).

File:

• branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/Formatters/SymbolicExpressionTreeLatexFormatter.cs (modified) (3 diffs)

branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/Formatters/SymbolicExpressionTreeLatexFormatter.cs

@@ -65 +65 @@
 
     public string Format(ISymbolicExpressionTree symbolicExpressionTree) {
+      string s;
+      Format(symbolicExpressionTree, out s);
+      return s;
+    }
+
+    public Dictionary<ISymbolicExpressionTreeNode, string> Format(ISymbolicExpressionTree symbolicExpressionTree, out string str, int offset = 0) {
+      var nodeIds = new Dictionary<ISymbolicExpressionTreeNode, string>();
       var root = symbolicExpressionTree.Root;
       var actualRoot = root.SubtreeCount == 0 ? root.GetSubtree(0) : root;
@@ -78 +85 @@
                 "\\begin{tikzpicture}" + nl +
                 "\\def\\ws{1}" + nl +
-                "\\def\\hs{0.7}" + nl);
+                "\\def\\hs{0.7}" + nl +
+                "\\def\\offs{" + offset + "}" + nl);
 
-      var nodeIndices = new Dictionary<ISymbolicExpressionTreeNode, int>();
       var nodes = symbolicExpressionTree.IterateNodesBreadth().ToList();
       for (int i = 0; i < nodes.Count; ++i) {
         var node = nodes[i];
-        nodeIndices.Add(node, i);
+        var id = Guid.NewGuid().ToString();
+        nodeIds[node] = id;
         var coord = nodeCoordinates[node];
         var nodeName = symbolNameMap.ContainsKey(node.Symbol.Name) ? symbolNameMap[node.Symbol.Name] : node.ToString();
-        sb.AppendLine(string.Format(CultureInfo.InvariantCulture, "\\node ({0}) at (\\ws*{1},\\hs*{2}) {{{3}}};", i, ws * coord.X, -hs * coord.Y, EscapeLatexString(nodeName)));
+        sb.AppendLine(string.Format(CultureInfo.InvariantCulture, "\\node ({0}) at (\\ws*{1} + {2},\\hs*{3}) {{{4}}};", nodeIds[node], ws * coord.X, offset, -hs * coord.Y, EscapeLatexString(nodeName)));
       }
 
       for (int i = 0; i < nodes.Count; ++i) {
+        var n = nodes[i];
         foreach (var s in nodes[i].Subtrees) {
-          sb.AppendLine(string.Format(CultureInfo.InvariantCulture, "\\draw ({0}) -- ({1});", i, nodeIndices[s]));
+          sb.AppendLine(string.Format(CultureInfo.InvariantCulture, "\\draw ({0}) -- ({1});", nodeIds[n], nodeIds[s]));
         }
       }
@@ -98 +107 @@
       sb.Append("\\end{tikzpicture}" + nl +
                 "\\end{document}" + nl);
-      return sb.ToString();
+      str = sb.ToString();
+      return nodeIds;
     }