diff --git a/src/analysis/vector/qgstransectsample.cpp b/src/analysis/vector/qgstransectsample.cpp
diff --git a/src/analysis/vector/qgstransectsample.h b/src/analysis/vector/qgstransectsample.h
@@ -0,0 +1,77 @@
+#ifndef QGSTRANSECTSAMPLE_H
+#define QGSTRANSECTSAMPLE_H
+
+#include "qgsfeature.h"
+#include <QMap>
+#include <QString>
+
+class QgsDistanceArea;
+class QgsGeometry;
+class QgsSpatialIndex;
+class QgsVectorLayer;
+class QgsPoint;
+class QProgressDialog;
+
+/**A class for the creation of transect sample lines based on a set of strata polygons and baselines*/
+class ANALYSIS_EXPORT QgsTransectSample
+{
+  public:
+
+    enum DistanceUnits
+    {
+      Meters,
+      StrataUnits //units are the same as stratum layer
+    };
+
+    QgsTransectSample( QgsVectorLayer* strataLayer, QString strataIdAttribute, QString minDistanceAttribute, QString nPointsAttribute,
+                       DistanceUnits minDistUnits, QgsVectorLayer* baselineLayer, bool shareBaseline,
+                       QString baselineStrataId, const QString& outputPointLayer, const QString& outputLineLayer, const QString& usedBaselineLayer, double minTransectLength = 0.0 );
+    ~QgsTransectSample();
+
+    int createSample( QProgressDialog* pd );
+
+  private:
+    QgsTransectSample(); //default constructor forbidden
+
+    QgsGeometry* findBaselineGeometry( QVariant strataId );
+
+    /**Returns true if another transect is within the specified minimum distance*/
+    static bool otherTransectWithinDistance( QgsGeometry* geom, double minDistLayerUnit, double minDistance, QgsSpatialIndex& sIndex, const QMap< QgsFeatureId, QgsGeometry* >&
+        lineFeatureMap, QgsDistanceArea& da );
+
+    QgsVectorLayer* mStrataLayer;
+    QString mStrataIdAttribute;
+    QString mMinDistanceAttribute;
+    QString mNPointsAttribute;
+
+    QgsVectorLayer* mBaselineLayer;
+    bool mShareBaseline;
+    QString mBaselineStrataId;
+
+    QString mOutputPointLayer;
+    QString mOutputLineLayer;
+    QString mUsedBaselineLayer;
+
+    DistanceUnits mMinDistanceUnits;
+
+    double mMinTransectLength;
+
+    /**Finds the closest points between two line segments
+        @param g1 first input geometry. Must be a linestring with two vertices
+        @param g2 second input geometry. Must be a linestring with two vertices
+        @param dist out: distance between the segments
+        @param pt1 out: closest point on first geometry
+        @param pt2 out: closest point on secont geometry
+        @return true in case of success*/
+    static bool closestSegmentPoints( QgsGeometry& g1, QgsGeometry& g2, double& dist, QgsPoint& pt1, QgsPoint& pt2 );
+    /**Returns a copy of the multiline element closest to a point (caller takes ownership)*/
+    static QgsGeometry* closestMultilineElement( const QgsPoint& pt, QgsGeometry* multiLine );
+    /**Returns clipped buffer line. Iteratively applies reduced tolerances if the result is not a single line
+        @param stratumGeom stratum polygon
+        @param clippedBaselineGeom base line geometry clipped to the stratum
+        @param tolerance buffer distance (in layer units)
+        @return clipped buffer line or 0 in case of error*/
+    static QgsGeometry* clipBufferLine( QgsGeometry* stratumGeom, QgsGeometry* clippedBaseline, double tolerance );
+};
+
+#endif // QGSTRANSECTSAMPLE_H