--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/SalixLineCalculator.java	Mon Aug 13 17:15:05 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/SalixLineCalculator.java	Mon Aug 13 17:26:33 2018 +0200
@@ -11,6 +11,7 @@
 
 import java.math.BigDecimal;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -19,6 +20,7 @@
 
 import org.dive4elements.river.artifacts.WINFOArtifact;
 import org.dive4elements.river.artifacts.access.ComputationRangeAccess;
+import org.dive4elements.river.artifacts.common.AbstractResultType;
 import org.dive4elements.river.artifacts.common.GeneralResultType;
 import org.dive4elements.river.artifacts.common.ResultRow;
 import org.dive4elements.river.artifacts.model.Calculation;
@@ -54,6 +56,7 @@
     private QPosition refGaugeMwPos;
     private QPosition refGaugeMnwPos;
     private QPosition refGaugeMhwPos;
+    private Gauge firstGauge;
 
     private Calculation problems;
 
@@ -101,7 +104,7 @@
         this.gaugeMwPos.clear();
         this.gaugeMnwPos.clear();
         this.gaugeMhwPos.clear();
-        boolean first = true;
+        this.firstGauge = null;
         for (final Gauge gauge : this.riverInfoProvider.getGauges()) {
             this.gaugeMwPos.put(gauge, null);
             this.gaugeMnwPos.put(gauge, null);
@@ -115,11 +118,11 @@
                 else if (mv.getMainValue().getName().equalsIgnoreCase("mhq"))
                     this.gaugeMhwPos.put(gauge, this.wst.getQPosition(gaugeKm, mv.getValue().doubleValue()));
             }
-            if (first) {
+            if (this.firstGauge == null) {
                 this.refGaugeMwPos = this.gaugeMwPos.get(gauge);
                 this.refGaugeMnwPos = this.gaugeMnwPos.get(gauge);
                 this.refGaugeMhwPos = this.gaugeMhwPos.get(gauge);
-                first = false;
+                this.firstGauge = gauge;
             }
         }
         if (this.refGaugeMwPos == null)
@@ -167,6 +170,7 @@
             }
         }
         row.putValue(UInfoResultType.customMultiRowColSalixScenarios, scenarios);
+        row.putValue(GeneralResultType.gaugeLabel, this.riverInfoProvider.findGauge(station));
         return row;
     }
 
@@ -209,4 +213,28 @@
         noScen.add(null);
         return noScen;
     }
+
+    /**
+     * Find and return a height (iota, w main value) of a station in a previously calculated result
+     */
+    public double fetchStationHeight(final Calculation problems, final double station, final AbstractResultType resultType,
+            final SalixLineCalculationResult result) {
+
+        // Search the station in the previously calculated result rows
+        final ResultRow stationRow = searchStation(station, result.getRows());
+        if (stationRow != null)
+            return stationRow.getDoubleValue(resultType);
+        return Double.NaN;
+    }
+
+    /**
+     * Searches the row of a station in a result rows collection
+     */
+    private ResultRow searchStation(final double station, final Collection<ResultRow> rows) {
+        for (final ResultRow row : rows) {
+            if (row.getDoubleValue(GeneralResultType.station) > station + 0.0001)
+                return row;
+        }
+        return null;
+    }
 }
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