diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java
new file mode 100644
index 0000000..85274de
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+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/PlanPlotter.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Random;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.mutable.Mutable;
+
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalPlan;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+
+public class PlanPlotter {
+
+    static Random randomGenerator = new Random();
+
+    public static void printLogicalPlan(ILogicalPlan plan) throws AlgebricksException {
+        int indent = 5;
+        StringBuilder out = new StringBuilder();
+        int randomInt = 10000 + randomGenerator.nextInt(100);
+        appendln(out, "digraph G {");
+        for (Mutable<ILogicalOperator> root : plan.getRoots()) {
+            printVisualizationGraph((AbstractLogicalOperator) root.getValue(), indent, out, "", randomInt);
+        }
+        appendln(out, "\n}\n}");
+        try {
+            File file = File.createTempFile("logicalPlan", ".txt");
+            FileUtils.writeStringToFile(file, out.toString());
+            file.deleteOnExit();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void printOptimizedLogicalPlan(ILogicalPlan plan) throws AlgebricksException {
+        int indent = 5;
+        StringBuilder out = new StringBuilder();
+        int randomInt = 10000 + randomGenerator.nextInt(100);
+        appendln(out, "digraph G {");
+        for (Mutable<ILogicalOperator> root : plan.getRoots()) {
+            printVisualizationGraph((AbstractLogicalOperator) root.getValue(), indent, out, "", randomInt);
+        }
+        appendln(out, "\n}\n}");
+        try {
+            File file = File.createTempFile("logicalOptimizedPlan", ".txt");
+            FileUtils.writeStringToFile(file, out.toString());
+            file.deleteOnExit();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /*
+     * DFS traversal function. Calls iteratively all children, and for each calls itself recursively
+     * Includes slim-maps only (no gathering of mappers to one)
+     */
+    public static void printVisualizationGraph(AbstractLogicalOperator op, int indent, StringBuilder out,
+            String current_supernode_name, int randomInt) {
+        if (!op.getInputs().isEmpty()) {
+            //String stringToVisualize = op.toStringForVisualizationGraph();
+            String stringToVisualize = op.getOperatorTag().name();
+            int firstOccurenceOf_ = stringToVisualize.indexOf("_");
+            String supernode_current = stringToVisualize.substring(firstOccurenceOf_ + 1, stringToVisualize.length());
+            if (current_supernode_name.isEmpty()) {
+                current_supernode_name = supernode_current;
+                appendln(out, new String("subgraph cluster_" + supernode_current + " {"));
+                pad(out, indent);
+                appendln(out, new String("node [style=filled, color = lightgray];"));
+                pad(out, indent);
+                appendln(out, new String("color=blue;"));
+                pad(out, indent);
+                String op_id = op.toString().substring(op.toString().indexOf("@") + 1, op.toString().length());
+                appendln(out, new String("label = \"" + supernode_current + "ID" + op_id + "\";"));
+                pad(out, indent);
+            }
+
+            for (Mutable<ILogicalOperator> i : op.getInputs()) {
+                String op_id = i.toString().substring(i.toString().indexOf("@") + 1, i.toString().length());
+                String logOpStr = ((AbstractLogicalOperator) i.getValue()).getOperatorTag().name() + "ID" + op_id;
+                firstOccurenceOf_ = logOpStr.indexOf("_");
+                String supernode_child = logOpStr.substring(firstOccurenceOf_ + 1, logOpStr.length());
+                if (!supernode_current.equals(supernode_child)) {
+                    appendln(out, new String("node [style=filled, color = lightgray];"));
+                    pad(out, indent);
+                    appendln(out, new String("color=blue"));
+                    pad(out, indent);
+                    appendln(out, new String("label = \"" + supernode_child + "\";"));
+                    pad(out, indent);
+                }
+
+                op_id = op.toString().substring(op.toString().indexOf("@") + 1, op.toString().length());
+                appendln(out, stringToVisualize + "ID" + op_id + "[style = filled]");
+                AbstractLogicalOperator child = (AbstractLogicalOperator) i.getValue();
+
+                pad(out, indent);
+                String op_id1 = op.toString().substring(op.toString().indexOf("@") + 1, op.toString().length());
+                append(out, op.getOperatorTag().name() + "ID" + op_id1 + " -> ");
+                String opc_id = child.toString()
+                        .substring(child.toString().indexOf("@") + 1, child.toString().length());
+                appendln(out, child.getOperatorTag().name() + "ID" + opc_id);
+
+                printVisualizationGraph(child, indent, out, supernode_current, (randomGenerator.nextInt(100) + 10000));
+
+            }
+        }
+
+    }
+
+    private static void appendln(StringBuilder buf, String s) {
+        buf.append(s);
+        buf.append("\n");
+    }
+
+    private static void append(StringBuilder buf, String s) {
+        buf.append(s);
+    }
+
+    private static void pad(StringBuilder buf, int indent) {
+        for (int i = 0; i < indent; ++i) {
+            buf.append(' ');
+        }
+    }
+}