diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
index 528e38d..c842f38 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
@@ -10,6 +10,7 @@ import org.gcube.portlets.user.td.monitorwidget.client.background.MonitorBackgro
 import org.gcube.portlets.user.td.resourceswidget.client.ResourcesPanel;
 import org.gcube.portlets.user.td.tablewidget.client.ChangeTableTypePanel;
 import org.gcube.portlets.user.td.tablewidget.client.geometry.GeometryCreatePointPanel;
+import org.gcube.portlets.user.td.tablewidget.client.geospatial.DownscaleCSquarePanel;
 import org.gcube.portlets.user.td.tablewidget.client.geospatial.GeospatialCreateCoordinatesPanel;
 import org.gcube.portlets.user.td.tablewidget.client.history.HistoryPanel;
 import org.gcube.portlets.user.td.tablewidget.client.normalize.DenormalizePanel;
@@ -69,7 +70,7 @@ public class ToolBox extends TabPanel {
 	private ResourcesPanel resourcesPanel;
 	private GeospatialCreateCoordinatesPanel geospatialCreateCoordinatesPanel;
 	private GeometryCreatePointPanel geometryCreatePointPanel;
-	
+	private DownscaleCSquarePanel downscaleCSquarePanel;
 	
 	private FramedPanel taskPanel;
 	private PositionColumnPanel positionColumnPanel;
@@ -206,10 +207,10 @@ public class ToolBox extends TabPanel {
 
 	}
 
-	public void openPositionColumnTab(TRId trId, String columnName) {
+	public void openPositionColumnTab(TRId trId, String columnLocalId) {
 		Log.debug("Open Position Column Tab");
 		if (positionColumnPanel == null) {
-			addPositionColumnPanel(trId, columnName);
+			addPositionColumnPanel(trId, columnLocalId);
 		} else {
 			positionColumnPanel.update(trId);
 		}
@@ -325,6 +326,19 @@ public class ToolBox extends TabPanel {
 		
 	}
 	
+	
+	public void openDownscaleCSquareTab(TRId trId, String columnLocalId) {
+		Log.debug("Open DownscaleCSquare Tab");
+		if (downscaleCSquarePanel == null) {
+			addDownscaleCSquarePanel(trId,columnLocalId);
+		} else {
+			downscaleCSquarePanel.update(trId,columnLocalId);
+		}
+		setActiveWidget(downscaleCSquarePanel);
+
+		
+	}
+	
 
 
 	// Close
@@ -840,7 +854,7 @@ public class ToolBox extends TabPanel {
 		});
 	};
 
-	protected void addPositionColumnPanel(TRId trId, String columnName) {
+	protected void addPositionColumnPanel(TRId trId, String columnLocalId) {
 		TabItemConfig labelColumnItemConf = new TabItemConfig("Position Column",
 				true);
 
@@ -1013,6 +1027,30 @@ public class ToolBox extends TabPanel {
 		
 	}
 	
+	private void addDownscaleCSquarePanel(TRId trId, String columnLocalId) {
+		TabItemConfig downscaleCSquareItemConf = new TabItemConfig(
+				"Downscale C-Square", true);
+
+		downscaleCSquarePanel = new DownscaleCSquarePanel(
+				trId, columnLocalId, eventBus);
+		add(downscaleCSquarePanel,
+				downscaleCSquareItemConf);
+
+		addBeforeCloseHandler(new BeforeCloseHandler<Widget>() {
+
+			public void onBeforeClose(BeforeCloseEvent<Widget> event) {
+				if (downscaleCSquarePanel == event.getItem()) {
+					remove(downscaleCSquarePanel);
+					downscaleCSquarePanel = null;
+
+				}
+
+			}
+
+		});
+		
+	}
+	
 
 	protected void addDuplicatesRowsPanel(TRId trId) {
 		TabItemConfig duplicatesRowsDeleteItemConf = new TabItemConfig(
diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
index 5602001..d591d7a 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
@@ -179,7 +179,9 @@ public class ToolBoxPanel extends ContentPanel {
 		case GEOMETRYCREATEPOINTPANEL:
 			doGeometryCreatePointTab(event);
 			break;		
-			
+		case DOWNSCALECSQUAREPANEL:
+			doDownscaleCSquareTab(event);
+			break;		
 		default:
 			break;
 
@@ -361,14 +363,14 @@ public class ToolBoxPanel extends ContentPanel {
 				|| uiStateType == UIStateType.TABLEUPDATE) {
 			if (state == ToolBoxPanelState.OPENED) {
 				toolBox.openPositionColumnTab(event.getTrId(),
-						event.getColumnName());
+						event.getColumnLocalId());
 				Log.debug("ToolBoxPanelSTate.OPENED Add Tabs");
 			} else {
 				enable();
 				expand();
 				state = ToolBoxPanelState.OPENED;
 				toolBox.openPositionColumnTab(event.getTrId(),
-						event.getColumnName());
+						event.getColumnLocalId());
 			}
 		} else {
 			Log.debug("ToolBoxPanel No table open");
@@ -541,7 +543,27 @@ public class ToolBoxPanel extends ContentPanel {
 	}
 	
 	
-	
+	protected void doDownscaleCSquareTab(WidgetRequestEvent event) {
+		Log.debug("WidgetRequestEvent.DOWNSCALECSQUAREPANEL : [" + event.getTrId()
+				+ " ,columnName: " + event.getColumnName() + "]");
+		if (uiStateType == UIStateType.TR_OPEN
+				|| uiStateType == UIStateType.TABLECURATION
+				|| uiStateType == UIStateType.TABLEUPDATE) {
+			if (state == ToolBoxPanelState.OPENED) {
+				toolBox.openDownscaleCSquareTab(event.getTrId(),
+						event.getColumnLocalId());
+				Log.debug("ToolBoxPanelSTate.OPENED Add Tabs");
+			} else {
+				enable();
+				expand();
+				state = ToolBoxPanelState.OPENED;
+				toolBox.openDownscaleCSquareTab(event.getTrId(),
+						event.getColumnLocalId());
+			}
+		} else {
+			Log.debug("ToolBoxPanel No table open");
+		}
+	}
 	
 
 	protected void doNormalizeTab(WidgetRequestEvent event) {