--- a/flys-artifacts/doc/conf/artifacts/winfo.xml	Fri Sep 09 10:07:14 2011 +0000
+++ b/flys-artifacts/doc/conf/artifacts/winfo.xml	Fri Sep 09 10:13:22 2011 +0000
@@ -12,7 +12,7 @@
         </transition>
 
         <state id="state.winfo.calculation_mode" description="state.winfo.calculation_mode" state="de.intevation.flys.artifacts.states.CalculationSelect">
-            <data name="calculation_mode"  type="String" />
+            <data name="calculation_mode" type="String" />
         </state>
 
         <transition transition="de.intevation.flys.artifacts.transitions.ValueCompareTransition">
@@ -39,6 +39,12 @@
             <condition data="calculation_mode" value="calc.discharge.longitudinal.section" operator="equal"/>
         </transition>
 
+        <transition transition="de.intevation.flys.artifacts.transitions.ValueCompareTransition">
+            <from state="state.winfo.calculation_mode"/>
+            <to state="state.winfo.w_differences"/>
+            <condition data="calculation_mode" value="calc.w.differences" operator="equal"/>
+        </transition>
+
         <state id="state.winfo.location" description="state.winfo.location" state="de.intevation.flys.artifacts.states.LocationSelect">
             <data name="ld_locations" type="Double[]" />
 
@@ -106,6 +112,12 @@
             <condition data="calculation_mode" value="calc.discharge.curve" operator="equal"/>
         </transition>
 
+        <transition transition="de.intevation.flys.artifacts.transitions.ValueCompareTransition">
+            <from state="state.winfo.location"/>
+            <to state="state.winfo.w_differences"/>
+            <condition data="calculation_mode" value="calc.w.differences" operator="equal"/>
+        </transition>
+
         <state id="state.winfo.wq" description="state.winfo.wq" state="de.intevation.flys.artifacts.states.WQSelect">
             <data name="wq_mode" type="String" />
             <data name="wq_free" type="Boolean" />
@@ -122,6 +134,18 @@
             <data name="wq_values" type="WQTriple" />
         </state>
 
+        <state id="state.winfo.w_differences" description="state.winfo.w_differences" state="de.intevation.flys.artifacts.states.WDifferencesState">
+            <data name="uuid" type="String" />
+
+            <outputmodes>
+                <outputmode name="w_differences" description="output.w_differences" mime-type="image/png" type="chart">
+                    <facets>
+                        <facet name="w_differences" description="facet.w_differences"/>
+                    </facets>
+                </outputmode>
+            </outputmodes>
+        </state>
+
         <state id="state.winfo.durationcurve" description="state.winfo.durationcurve" state="de.intevation.flys.artifacts.states.DurationCurveState">
             <outputmodes>
                 <outputmode name="duration_curve" description="output.duration_curve" mime-type="image/png" type="chart">