diff --git a/selectionorder.py b/selectionorder.py
index c8539e6..f435e29 100644
--- a/selectionorder.py
+++ b/selectionorder.py
@@ -31,7 +31,7 @@
 from org.gvsig.fmap.mapcontext.events.listeners import ViewPortListener
 from javax.swing import SwingUtilities
 from org.gvsig.app.project.documents.view import IContextMenuActionWithIcon
-
+from org.gvsig.fmap.mapcontext.layers.operations import SingleLayer
 from javax.swing import JPopupMenu
 from java.awt.event import ActionListener
 from javax.swing import JMenuItem
@@ -269,6 +269,8 @@ def createTreeModel(mapContext, reducedTree=True):
   root.insert(rootNotSelectable, root.getChildCount())
 
   for layer in iter(mapContext.deepiterator()):
+    if not isinstance(layer, SingleLayer):
+      continue
     store = layer.getDataStore()
     if isinstance(store,DefaultFeatureStore) and store.getSelection().getSize() != 0:
       newNode = DefaultMutableTreeNode(DataLayer(layer.getName(),layer))
diff --git a/sourceorder.py b/sourceorder.py
index 16aa622..d0acd5b 100644
--- a/sourceorder.py
+++ b/sourceorder.py
@@ -37,7 +37,7 @@
 
 from tocutils import getExpansionState
 from tocutils import setExpansionState
-
+from org.gvsig.fmap.mapcontext.layers.operations import SingleLayer
 def setTreeAsSourceOrder(tree, mapContext):
   updateAll(tree, mapContext)
  
@@ -349,6 +349,8 @@ def createTreeModel(mapContext, reducedTree=True):
   layers = list()
   remotes = list()
   for layer in iter(mapContext.deepiterator()):
+    if not isinstance(layer, SingleLayer):
+      continue
     if layer.getDataStore() == None:
         # asumimos que es raster
         uri = layer.getURI()
diff --git a/tocutils.py b/tocutils.py
index 814b262..1bc5347 100644
--- a/tocutils.py
+++ b/tocutils.py
@@ -11,7 +11,7 @@
 from java.lang import StringBuffer, String, Integer
 from java.util import StringTokenizer
 from javax.swing.tree import DefaultTreeCellRenderer
-
+from org.gvsig.fmap.mapcontext.layers.operations import SingleLayer
 from javax.swing import JMenuItem
 from javax.swing import JPopupMenu
 from org.gvsig.app.project.documents.view import IContextMenuActionWithIcon
@@ -27,7 +27,7 @@
 from org.gvsig.app.project.documents.view.toc.gui import FPopupMenu
 from javax.swing.tree import DefaultMutableTreeNode
 from org.gvsig.app.project.documents.view.toc import AbstractTocContextMenuAction
-
+from org.gvsig.fmap.mapcontext.layers import FLyrDefault
 class TOCSimpleNode(TreeNode, ActionListener):
   def __init__(self, parent, icon=None):
     self.__parent = parent
@@ -326,23 +326,25 @@ def getIconByName(iconName):
 def getIconFromLayer(layer):
   global mapContextManager
   global iconTheme
-  if layer == None or layer.getDataStore()==None:
-      return None
-  if layer.getTocImageIcon() != None:
+  if layer == None:
+    return None
+  if isinstance(layer, FLyrDefault) and layer.getTocImageIcon() != None:
       if iconTheme == None:
           iconName = layer.getTocImageIcon()
           iconTheme = ToolsSwingLocator.getIconThemeManager().getCurrent()
           icon = iconTheme.get(iconName)      
           return icon
-  providerName = layer.getDataStore().getProviderName()
-  if providerName != None:
-    if mapContextManager == None:
-      mapContextManager = MapContextLocator.getMapContextManager()
-    iconName = mapContextManager.getIconLayer(providerName)
-    if iconTheme == None:
-      iconTheme = ToolsSwingLocator.getIconThemeManager().getCurrent()
-    icon = iconTheme.get(iconName)
-    return icon
+          
+  if isinstance(layer, SingleLayer) and layer.getDataStore()!=None:
+    providerName = layer.getDataStore().getProviderName()
+    if providerName != None:
+      if mapContextManager == None:
+        mapContextManager = MapContextLocator.getMapContextManager()
+      iconName = mapContextManager.getIconLayer(providerName)
+      if iconTheme == None:
+        iconTheme = ToolsSwingLocator.getIconThemeManager().getCurrent()
+      icon = iconTheme.get(iconName)
+      return icon
   return None
 
 
diff --git a/visibilityorder.py b/visibilityorder.py
index 70c8e4a..4c38a18 100644
--- a/visibilityorder.py
+++ b/visibilityorder.py
@@ -31,7 +31,8 @@
 from org.gvsig.fmap.mapcontext.events.listeners import ViewPortListener
 from javax.swing import SwingUtilities
 from org.gvsig.app.project.documents.view import IContextMenuActionWithIcon
-
+from org.gvsig.fmap.mapcontext.layers import FLayer
+from org.gvsig.fmap.mapcontext.layers.operations import SingleLayer
 from javax.swing import JPopupMenu
 from java.awt.event import ActionListener
 from javax.swing import JMenuItem
@@ -236,6 +237,8 @@ def createTreeModel(mapContext, reducedTree=True):
   root.insert(rootNotVisibility, root.getChildCount())
   
   for layer in iter(mapContext.deepiterator()):
+    if not isinstance(layer, SingleLayer):
+      continue
     try:
       envelope=layer.getFullEnvelope()
       insideViewportEnvelope = mapContext.getViewPort().getEnvelope().intersects(envelope)