diff --git a/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroup.java b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroup.java
new file mode 100644
index 0000000000000000000000000000000000000000..874dc6b42c06fbcd5210d62017fc0620adac451f
--- /dev/null
+++ b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroup.java
@@ -0,0 +1,43 @@
+/*
+ * PlotGroup.java
+ *
+ * Copyright (C) 2002-2007
+ * ASTRON (Netherlands Foundation for Research in Astronomy)
+ * P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, seg@astron.nl
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+package nl.astron.lofar.sas.otb.util.plotter;
+
+import java.util.LinkedList;
+
+/**
+ * @version $Id$
+ * @created May 24, 2006, 11:11 AM
+ * @author pompert
+ */
+public class PlotGroup{
+
+ private LinkedList<PlotSlot> itsPlotSlots;
+ private PlotGroupConfiguration itsGroupConfiguration;
+ private String plotGroupName;
+
+ /** Creates a new instance of PlotGroup */
+ public PlotGroup() {
+ }
+
+}
diff --git a/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroupConfiguration.java b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroupConfiguration.java
new file mode 100644
index 0000000000000000000000000000000000000000..3600e70556d16a352fc1b62069966e92900ca53e
--- /dev/null
+++ b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroupConfiguration.java
@@ -0,0 +1,44 @@
+/*
+ * PlotGroupConfiguration.java
+ *
+ * Copyright (C) 2002-2007
+ * ASTRON (Netherlands Foundation for Research in Astronomy)
+ * P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, seg@astron.nl
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+package nl.astron.lofar.sas.otb.util.plotter;
+
+/**
+ * @version $Id$
+ * @created May 24, 2006, 11:25 AM
+ * @author pompert
+ */
+public class PlotGroupConfiguration{
+
+ private double xstart;
+ private double xend;
+ private double ystart;
+ private double yend;
+ private int numx;
+ private int numy;
+
+ /** Creates a new instance of PlotGroupConfiguration */
+ public PlotGroupConfiguration() {
+ }
+
+}
diff --git a/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroupManager.java b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroupManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..de05a5daf6183940d69f4b71b8137084dbe76ede
--- /dev/null
+++ b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotGroupManager.java
@@ -0,0 +1,42 @@
+/*
+ * PlotGroupManager.java
+ *
+ * Copyright (C) 2002-2007
+ * ASTRON (Netherlands Foundation for Research in Astronomy)
+ * P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, seg@astron.nl
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+package nl.astron.lofar.sas.otb.util.plotter;
+
+import java.util.HashMap;
+
+/**
+ * @version $Id$
+ * @created May 24, 2006, 11:12 AM
+ * @author pompert
+ */
+public class PlotGroupManager{
+
+ private HashMap<String,PlotGroup> itsPlotGroups;
+ private HashMap<String,PlotGroupConfiguration> itsPlotGroupConfigs;
+
+ /** Creates a new instance of PlotGroupManager */
+ public PlotGroupManager() {
+ }
+
+}
diff --git a/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotSlot.java b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotSlot.java
new file mode 100644
index 0000000000000000000000000000000000000000..b221dff81cf75947649647019788d5b210e1779c
--- /dev/null
+++ b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotSlot.java
@@ -0,0 +1,130 @@
+/*
+ * PlotSlot.java
+ *
+ * Copyright (C) 2002-2007
+ * ASTRON (Netherlands Foundation for Research in Astronomy)
+ * P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, seg@astron.nl
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+package nl.astron.lofar.sas.otb.util.plotter;
+
+import java.awt.BorderLayout;
+import javax.swing.JPanel;
+import javax.swing.JTextArea;
+import nl.astron.lofar.java.gui.plotter.PlotConstants;
+import nl.astron.lofar.java.gui.plotter.PlotPanel;
+import nl.astron.lofar.java.gui.plotter.exceptions.PlotterException;
+
+/**
+ * @version $Id$
+ * @created May 24, 2006, 11:12 AM
+ * @author pompert
+ */
+public class PlotSlot extends JPanel{
+
+ private PlotGroup itsPlotGroup;
+ private PlotPanel itsPlot;
+ private String slotLabel;
+
+ /** Creates a new instance of PlotSlot */
+ public PlotSlot() {
+ itsPlotGroup = null;
+ itsPlot = new PlotPanel();
+ slotLabel = "Default Slot";
+ setLayout(new BorderLayout());
+ }
+ /**
+ * Creates a new instance of PlotSlot using a supplied label
+ * @param name The name to be given to the slot.
+ *
+ */
+ public PlotSlot(String label) {
+ this();
+ slotLabel = label;
+ }
+
+ public void setLabel(String label){
+ slotLabel = label;
+ }
+
+ public String getLabel(){
+ return slotLabel;
+ }
+
+ public PlotPanel getPlot(){
+ return itsPlot;
+ }
+
+ public void addPlot(Object constraints){
+ removeAll();
+ try {
+ itsPlot.createPlot(PlotConstants.PLOT_XYLINE,true,constraints);
+ add(itsPlot,BorderLayout.CENTER);
+ } catch (PlotterException ex) {
+ JTextArea error = new JTextArea(ex.getMessage());
+ error.setColumns(50);
+ add(new JTextArea(ex.getMessage()),BorderLayout.CENTER);
+ ex.printStackTrace();
+ }
+ }
+
+ public void modifyPlot(Object constraints){
+ if(containsPlot()){
+
+ try {
+ itsPlot.modifyPlot(constraints);
+ add(itsPlot,BorderLayout.CENTER);
+ } catch (PlotterException ex) {
+ JTextArea error = new JTextArea(ex.getMessage());
+ error.setColumns(50);
+ add(new JTextArea(ex.getMessage()),BorderLayout.CENTER);
+ ex.printStackTrace();
+ }
+
+ }
+ }
+
+ public void removePlot(){
+ if(containsPlot()){
+ this.remove(itsPlot);
+ }
+ itsPlot = null;
+ }
+
+ public boolean containsPlot(){
+ return itsPlot != null;
+ }
+
+ public PlotGroup getPlotGroup(){
+ return itsPlotGroup;
+ }
+
+ public void setPlotGroup(PlotGroup aPlotGroup){
+ itsPlotGroup = aPlotGroup;
+ }
+
+ public void removePlotGroup(){
+ itsPlotGroup = null;
+ }
+
+ public boolean hasPlotGroup(){
+ return itsPlotGroup != null;
+ }
+
+
+}
diff --git a/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotSlotManager.java b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotSlotManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..078b15a600b3c723cf99c89f77897ab90a5a299d
--- /dev/null
+++ b/SAS/OTB/OTB/src/nl/astron/lofar/sas/otb/util/plotter/PlotSlotManager.java
@@ -0,0 +1,42 @@
+/*
+ * PlotSlotManager.java
+ *
+ * Copyright (C) 2002-2007
+ * ASTRON (Netherlands Foundation for Research in Astronomy)
+ * P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, seg@astron.nl
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+package nl.astron.lofar.sas.otb.util.plotter;
+
+import java.util.HashMap;
+
+/**
+ * @version $Id$
+ * @created May 24, 2006, 11:12 AM
+ * @author pompert
+ */
+public class PlotSlotManager{
+
+ private int[] amountOfSlots;
+ private HashMap<int[],PlotSlot> itsPlotSlots;
+
+ /** Creates a new instance of PlotSlotManager */
+ public PlotSlotManager() {
+ }
+
+}