diff --git a/sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/tools/GenerateTerrainEntropiesAction.java b/sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/tools/GenerateTerrainEntropiesAction.java
new file mode 100644
index 000000000..93c4a5490
--- /dev/null
+++ b/sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/tools/GenerateTerrainEntropiesAction.java
@@ -0,0 +1,44 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.jme3.gde.terraineditor.tools;
+
+import com.jme3.gde.core.sceneexplorer.nodes.AbstractSceneExplorerNode;
+import com.jme3.gde.core.sceneexplorer.nodes.JmeTerrainQuad;
+import com.jme3.gde.core.sceneexplorer.nodes.actions.AbstractToolAction;
+import com.jme3.gde.core.sceneexplorer.nodes.actions.ToolAction;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Node;
+import com.jme3.terrain.geomipmap.TerrainQuad;
+
+/**
+ *
+ * @author Brent Owens
+ */
+@org.openide.util.lookup.ServiceProvider(service = ToolAction.class)
+public class GenerateTerrainEntropiesAction extends AbstractToolAction {
+
+    public GenerateTerrainEntropiesAction() {
+        name = "Generate Entropies";
+    }
+    
+    @Override
+    protected Object doApplyTool(AbstractSceneExplorerNode rootNode) {
+        Node terrain = rootNode.getLookup().lookup(Node.class);
+        if (terrain instanceof TerrainQuad) { // it should be terrain anyways
+            ((TerrainQuad)terrain).generateEntropy(null); //TODO hook up to progress monitor
+        }
+        return true;
+    }
+
+    @Override
+    protected void doUndoTool(AbstractSceneExplorerNode rootNode, Object undoObject) {
+        // no undo, not needed
+    }
+
+    public Class<?> getNodeClass() {
+        return JmeTerrainQuad.class;
+    }
+    
+}