diff --git a/examples/modeldata/tablewidget.cpp b/examples/modeldata/tablewidget.cpp
index 30727bc..cdcd5c9 100644
--- a/examples/modeldata/tablewidget.cpp
+++ b/examples/modeldata/tablewidget.cpp
@@ -38,8 +38,6 @@ TableWidget::TableWidget(QWidget *parent)
     // create table view and add model to it
     QTableView *tableView = new QTableView;
     tableView->setModel(model);
-//    tableView->
-//    tableView->setMinimumWidth(200);
     tableView->setColumnWidth(0, 56);
     tableView->setColumnWidth(1, 56);
     tableView->setColumnWidth(2, 56);
diff --git a/src/barchart/qbarseries.cpp b/src/barchart/qbarseries.cpp
index 0a39fee..7983fc4 100644
--- a/src/barchart/qbarseries.cpp
+++ b/src/barchart/qbarseries.cpp
@@ -305,7 +305,14 @@ bool QBarSeries::setModel(QAbstractItemModel *model)
     }
 }
 
-// TODO
+/*!
+     \fn bool QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation)
+     Sets column/row specified by \a categories to be used as a list of bar series categories.
+     Parameter \a bottomBoundry indicates the column/row where the first bar set is located in the model.
+     Parameter \a topBoundry indicates the column/row where the last bar set is located in the model.
+     All the columns/rows inbetween those two values are also used as data for bar sets.
+     The \a orientation paramater specifies whether the data is in columns or in rows.
+ */
 void QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation)
 {
     if (!m_model)
@@ -336,7 +343,6 @@ void QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBound
                 this, SLOT(modelDataRemoved(QModelIndex,int,int)));
     }
 
-
     // create the initial bars
     delete m_internalModel;
     if (m_mapOrientation == Qt::Vertical) {
@@ -366,12 +372,9 @@ void QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBound
     }
 }
 
-void QBarSeries::setModelMappingShift(int first, int count)
-{
-    m_mapFirst = first;
-    m_mapCount = count;
-}
-
+/*!
+    \internal
+*/
 void QBarSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
 {
     Q_UNUSED(bottomRight)
@@ -390,6 +393,9 @@ void QBarSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
     }
 }
 
+/*!
+    \internal
+*/
 void QBarSeries::modelDataAdded(QModelIndex /*parent*/, int start, int /*end*/)
 {
     if (m_mapOrientation == Qt::Vertical) {
@@ -406,6 +412,9 @@ void QBarSeries::modelDataAdded(QModelIndex /*parent*/, int start, int /*end*/)
     emit restructuredBars();
 }
 
+/*!
+    \internal
+*/
 void QBarSeries::modelDataRemoved(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent)
diff --git a/src/barchart/qbarseries.h b/src/barchart/qbarseries.h
index 9428738..d2b7fe3 100644
--- a/src/barchart/qbarseries.h
+++ b/src/barchart/qbarseries.h
@@ -58,8 +58,7 @@ public:
     void setLabelsVisible(bool visible = true);
 
     bool setModel(QAbstractItemModel *model);
-    void setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation = Qt::Vertical);
-    void setModelMappingShift(int first, int count);
+    void setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation = Qt::Vertical);    
 
 public:
     // TODO: Functions below this are not part of api and will be moved
diff --git a/src/piechart/qpieseries.cpp b/src/piechart/qpieseries.cpp
index 6fa244a..13a3c42 100644
--- a/src/piechart/qpieseries.cpp
+++ b/src/piechart/qpieseries.cpp
@@ -668,6 +668,13 @@ bool QPieSeries::setModel(QAbstractItemModel* model)
     }
 }
 
+/*!
+     \fn bool QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
+     Sets column/row specified by \a modelValuesLine to be used as a list of pie slice values for the pie.
+     Parameter \a modelValuesLine indicates the column/row where the values for the pie slices are located in the model.
+     Parameter \a modelLabelsLine indicates the column/row where the labels for the pie slices are located in the model.
+     The \a orientation paramater specifies whether the data is in columns or in rows.
+ */
 void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
 {
     Q_D(QPieSeries);
diff --git a/src/splinechart/qsplineseries.cpp b/src/splinechart/qsplineseries.cpp
index 3e4f834..e080413 100644
--- a/src/splinechart/qsplineseries.cpp
+++ b/src/splinechart/qsplineseries.cpp
@@ -155,19 +155,38 @@ void QSplineSeries::updateControlPoints()
     }
 }
 
-bool QSplineSeries::setModel(QAbstractItemModel* model)
-{
-    QXYSeries::setModel(model);
-//    calculateControlPoints();
-    return true;
-}
+/*!
+     \fn bool QSplineSeries::setModel(QAbstractItemModel *model)
+     Sets the \a model to be used as a data source
+     \sa setModelMapping(), setModelMappingRange()
+ */
+//bool QSplineSeries::setModel(QAbstractItemModel* model)
+//{
+//    QXYSeries::setModel(model);
+////    calculateControlPoints();
+//    return true;
+//}
 
-void QSplineSeries::setModelMapping(int modelX, int modelY, Qt::Orientation orientation)
-{
-    QLineSeries::setModelMapping(modelX, modelY, orientation);
-//    calculateControlPoints();
-}
+/*!
+     \fn bool QXYSeries::setModelMapping(int modelX, int modelY, Qt::Orientation orientation)
+     Sets the \a modelX to be used as a data source for x coordinate and \a modelY to be used
+     as a data source for y coordinate. The \a orientation paramater specifies whether the data
+     is in columns or in rows.
+ */
+//void QSplineSeries::setModelMapping(int modelX, int modelY, Qt::Orientation orientation)
+//{
+//    QLineSeries::setModelMapping(modelX, modelY, orientation);
+////    calculateControlPoints();
+//}
 
+/*!
+     \fn bool QSplineSeries::setModelMappingRange(int first, int count)
+     Allows limiting the model mapping.
+     Parameter \a first specifies which element of the model should be used as a first one of the series.
+     Parameter \a count specifies how many elements should be mapped. If count is not specified (defaults to -1)
+     then all the items following \a first item in a model are used.
+     \sa setModel(), setModelMapping()
+ */
 void QSplineSeries::setModelMappingRange(int first, int count)
 {
     QLineSeries::setModelMappingRange(first, count);
diff --git a/src/splinechart/qsplineseries.h b/src/splinechart/qsplineseries.h
index fc9695d..cd07175 100644
--- a/src/splinechart/qsplineseries.h
+++ b/src/splinechart/qsplineseries.h
@@ -38,9 +38,9 @@ public:
     QSeriesType type() const {return QSeries::SeriesTypeSpline;}
 
     QPointF controlPoint(int index) const {return m_controlPoints[index];}
-    bool setModel(QAbstractItemModel *model);
+//    bool setModel(QAbstractItemModel *model);
 
-    void setModelMapping(int modelX, int modelY, Qt::Orientation orientation = Qt::Vertical);
+//    void setModelMapping(int modelX, int modelY, Qt::Orientation orientation = Qt::Vertical);
     void setModelMappingRange(int first, int count);
 
 private:
diff --git a/src/xychart/qxyseries.cpp b/src/xychart/qxyseries.cpp
index 41d0b51..b2fe8e2 100644
--- a/src/xychart/qxyseries.cpp
+++ b/src/xychart/qxyseries.cpp
@@ -66,6 +66,19 @@ QTCOMMERCIALCHART_BEGIN_NAMESPACE
 */
 
 /*!
+    \fn int QXYSeries::mapFirst() const
+    Returns the index of the model's item that is used as a first one for the series.
+    \sa mapCount()
+*/
+
+/*!
+    \fn int QXYSeries::mapCount() const
+    Returns the number of the items that are taken from the model.
+    If -1 it means all the items of the model following the first one are used.
+    \sa mapFirst()
+*/
+
+/*!
     Constructs empty series object which is a child of \a parent.
     When series object is added to QChartView or QChart instance ownerships is transfered.
 */
@@ -472,6 +485,7 @@ void QXYSeries::modelDataRemoved(QModelIndex parent, int start, int end)
 /*!
      \fn bool QXYSeries::setModel(QAbstractItemModel *model)
      Sets the \a model to be used as a data source
+     \sa setModelMapping(), setModelMappingRange()
  */
 bool QXYSeries::setModel(QAbstractItemModel *model) {
 
@@ -496,6 +510,13 @@ bool QXYSeries::setModel(QAbstractItemModel *model) {
     }
 }
 
+/*!
+     \fn bool QXYSeries::setModelMapping(int modelX, int modelY, Qt::Orientation orientation)
+     Sets the \a modelX to be used as a data source for x coordinate and \a modelY to be used
+     as a data source for y coordinate. The \a orientation paramater specifies whether the data
+     is in columns or in rows.
+     \sa setModel(), setModelMappingRange()
+ */
 void QXYSeries::setModelMapping(int modelX, int modelY, Qt::Orientation orientation)
 {
     if (m_model == 0)
@@ -519,6 +540,14 @@ void QXYSeries::setModelMapping(int modelX, int modelY, Qt::Orientation orientat
     }
 }
 
+/*!
+     \fn bool QXYSeries::setModelMappingRange(int first, int count)
+     Allows limiting the model mapping.
+     Parameter \a first specifies which element of the model should be used as a first one of the series.
+     Parameter \a count specifies how many elements should be mapped. If count is not specified (defaults to -1)
+     then all the items following \a first item in a model are used.
+     \sa setModel(), setModelMapping()
+ */
 void QXYSeries::setModelMappingRange(int first, int count)
 {
     m_mapFirst = first;
diff --git a/src/xychart/qxyseries.h b/src/xychart/qxyseries.h
index e802790..0c7862f 100644
--- a/src/xychart/qxyseries.h
+++ b/src/xychart/qxyseries.h
@@ -66,6 +66,7 @@ public:
     virtual void setModelMapping(int modelX, int modelY, Qt::Orientation orientation = Qt::Vertical);
     virtual void setModelMappingRange(int first, int count = 0);
     int mapFirst() const { return m_mapFirst; }
+    int mapCount() const { return m_mapCount; }
 
 private Q_SLOTS:
     void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);