[DOC] added most documentation

src/core/common/WTransferFunction.h

@@ -55,13 +55,15 @@ private:
         /**
          * comparison by isovalue
          * \param rhs entry to compare t
+         * \returns true if this->iso <=  rhs.iso
          */
         bool operator <= ( const Entry &rhs ) const
         {
             return iso <= rhs.iso;
         }
 
-        double iso; //< the isovalue
+        /** the isovalue */
+        double iso;
     };
 
     /**
@@ -80,13 +82,15 @@ private:
         /**
          * comparison operator to check for changes
          * \param rhs ColorEntry to compare to
+         * \returns true if rhs equals this
          */
         bool operator==( const ColorEntry& rhs ) const
         {
             return iso == rhs.iso && color == rhs.color;
         }
 
-        WColor color; //< holds the current color at isovalue Entry::iso
+        /** holds the current color at isovalue Entry::iso */
+        WColor color;
     };
 
     /**
@@ -108,13 +112,15 @@ private:
         /**
          * comparison operator to check for changes
          * \param rhs AlphaEntry to compare to
+         * \returns true if rhs is equal to this
          */
         bool operator==( const AlphaEntry& rhs ) const
         {
             return iso == rhs.iso && alpha == rhs.alpha;
         }
 
-        double alpha; //< holds the current alpha at isovalue Entry::iso
+        /** holds the current alpha at isovalue Entry::iso */
+        double alpha;
     };
 
     /**
@@ -123,17 +129,24 @@ private:
     template<typename T>
         struct LessPred
         {
+            /** constructs a predicate that compares for less than iso
+             * \param iso: used iso value
+             */
             explicit LessPred( double iso ) : iso( iso )
             {
             }
 
-            /** isovalue-based comparison */
+            /** isovalue-based comparison
+             * \param t the object to compare to
+             * \returns true if iso is less than t.iso
+             */
             bool operator()( const T& t )
             {
                 return iso < t.iso;
             }
 
-            double iso; //< the isovalue to compare to
+            /** the isovalue to compare to */
+            double iso;
         };
 
 public:
@@ -142,13 +155,19 @@ public:
     {
     }
 
-    /** deep copy constructor */
+    /** deep copy constructor
+     * \param rhs the value to histogram
+     */
     WTransferFunction( const WTransferFunction &rhs )
         : colors( rhs.colors ), alphas( rhs.alphas ), isomin( rhs.isomin ), isomax( rhs.isomax ), histogram( rhs.histogram )
     {
     }
 
-    /** deep copy operator */
+    /** deep copy operator
+     * \param rhs the value to copy
+     * \returns reference to current object
+     * \returns reference to current object
+     */
     WTransferFunction& operator=( const WTransferFunction &rhs )
     {
         this->colors = rhs.colors;
@@ -168,6 +187,7 @@ public:
 
     /**
      * \returns negated result of operator==
+     * \param rhs the value to compare with
      */
     bool operator!=( const WTransferFunction &rhs ) const;
 
@@ -176,31 +196,54 @@ public:
     {
     }
 
+    /**
+     * \returns the number of alpha points
+     */
     size_t numAlphas() const
     {
         return alphas.size();
     }
 
+    /**
+     * \returns the number of color points
+     */
     size_t numColors() const
     {
         return colors.size();
     }
 
+    /**
+     * \param i the index of the point to query
+     * \returns the alpha values position/isovalue at index i
+     */
     double getAlphaIsovalue( size_t i ) const
     {
         return alphas.at( i ).iso;
     }
 
+
+    /**
+     * \param i the index of the point to query
+     * \returns the color values position/isovalue at index i
+     */
     double getColorIsovalue( size_t i ) const
     {
         return colors.at( i ).iso;
     }
 
+    /**
+     * \param i the index to query
+     * \returns the alpha value at index i
+     */
     double getAlpha( size_t i ) const
     {
         return alphas.at( i ).alpha;
     }
 
+    /**
+     * \param i the index to query
+     * \returns the color at index i
+     */
     const WColor& getColor( size_t i ) const
     {
         return colors.at( i ).color;
@@ -208,11 +251,15 @@ public:
 
     /**
      * insert a new color point
+     * \param iso the new iso value
+     * \param color the new color at the given iso value
      */
     void addColor( double iso, const WColor& color );
 
     /**
      * insert a new alpha point
+     * \param iso the new iso value
+     * \param alpha the new alpha value at the given iso value
      */
     void addAlpha( double iso, double alpha );
 
@@ -222,6 +269,8 @@ public:
      * This should be changed in the future to be handled in a different
      * way. A good option would be to introduce an object encapsulating
      * a transfer function and histogram information.
+     *
+     * \param data the histogram data between isomin and isomax
      */
     void setHistogram( std::vector< double > & data )
     {
@@ -236,6 +285,10 @@ public:
         histogram.clear();
     }
 
+    /**
+     * returns the histogram
+     * \returns a reference to the internal representation of the histogram
+     */
     const std::vector< double >& getHistogram() const
     {
         return histogram;
@@ -243,10 +296,12 @@ public:
 
     /**
      * sample/render the transfer function linearly between min and max in an RGBA texture.
+     * \param array pointer to an allocated data structure
      * \param width is the number of RGBA samples.
      * \param min the lowest value to be sampled
      * \param max the hightes value to be sampled
      * \post array contains the sampled data
+     * \pre array is allocated and has space for width elements
      */
     void sample1DTransferFunction( unsigned char*array, int width, double min, double max ) const;
 
@@ -258,14 +313,21 @@ public:
      */
     static WTransferFunction createFromRGBA( unsigned char const * const rgba, size_t size );
 private:
-    std::vector<ColorEntry> colors; //< sorted list of colors
-    std::vector<AlphaEntry> alphas; //< sorted list of alpha values
+    /** sorted list of colors */
+    std::vector<ColorEntry> colors;
 
-    double isomin; //< smallest iso value
-    double isomax; //< largest iso value
+    /** sorted list of alpha values */
+    std::vector<AlphaEntry> alphas;
 
-    std::vector< double > histogram; //< store a histogram. This is used for property-handling only
-                                     // and does not change the transfer function at all.
+    /** the smallest used iso value */
+    double isomin;
+    /** the largest used iso value */
+    double isomax;
+
+    /** stores a histogram. This is used for property-handling only
+     * and does not change the transfer function at all.
+     */
+    std::vector< double > histogram;
 
     friend std::ostream& operator << ( std::ostream& out, const WTransferFunction& tf );
 };
@@ -275,7 +337,7 @@ private:
  * This code should only be used for debugging and you should not realy on the interface.
  * \param tf The transfer function to output
  * \param out The stream to which we write
- * \returns reference to \param out
+ * \returns reference to out
  */
 std::ostream& operator << ( std::ostream& out, const WTransferFunction& tf );
 

src/core/graphicsEngine/algorithms/WMarchingLegoAlgorithm.h

@@ -107,6 +107,7 @@ public:
      * \param mat the matrix transforming the vertices from canonical space
      * \param vals the values at the vertices
      * \param isoValue The surface will run through all positions with this value.
+     * \param progress parent's WProgressCombiner. May be empty if no status report is requested
      *
      * \return the created triangle mesh
      */

src/core/graphicsEngine/postprocessing/WGEPostprocessor.h

@@ -171,6 +171,7 @@ public:
      *
      * \param offscreen use this offscreen node to add your texture pass'
      * \param gbuffer the input textures you should use
+     * \returns shared pointer to the created instance
      */
     virtual SPtr create( osg::ref_ptr< WGEOffscreenRenderNode > offscreen, const PostprocessorInput& gbuffer ) const = 0;
 

src/core/graphicsEngine/postprocessing/WGEPostprocessorCelShading.h

@@ -60,6 +60,7 @@ public:
      *
      * \param offscreen use this offscreen node to add your texture pass'
      * \param gbuffer the input textures you should use
+     * \returns shared pointer to the created instance
      */
     virtual WGEPostprocessor::SPtr create( osg::ref_ptr< WGEOffscreenRenderNode > offscreen, const PostprocessorInput& gbuffer ) const;
 protected:

src/core/graphicsEngine/postprocessing/WGEPostprocessorEdgeEnhance.h

@@ -60,6 +60,7 @@ public:
      *
      * \param offscreen use this offscreen node to add your texture pass'
      * \param gbuffer the input textures you should use
+     * \returns shared pointer to the created insteance
      */
     virtual WGEPostprocessor::SPtr create( osg::ref_ptr< WGEOffscreenRenderNode > offscreen, const PostprocessorInput& gbuffer ) const;
 protected:

src/core/graphicsEngine/postprocessing/WGEPostprocessorGauss.h

@@ -86,6 +86,7 @@ public:
      *
      * \param offscreen use this offscreen node to add your texture pass'
      * \param gbuffer the input textures you should use
+     * \returns shared pointer to the created instance
      */
     virtual WGEPostprocessor::SPtr create( osg::ref_ptr< WGEOffscreenRenderNode > offscreen,
                                            const PostprocessorInput& gbuffer ) const;

src/core/graphicsEngine/postprocessing/WGEPostprocessorMergeOp.h

@@ -90,6 +90,7 @@ public:
      *
      * \param offscreen use this offscreen node to add your texture pass'
      * \param gbuffer the input textures you should use
+     * \returns shared pointer to the created insteance
      */
     virtual WGEPostprocessor::SPtr create( osg::ref_ptr< WGEOffscreenRenderNode > offscreen,
                                            const PostprocessorInput& gbuffer ) const;

src/modules/data/io/WReaderVTK.h

@@ -100,21 +100,33 @@ class WReaderVTK : public WReader // NOLINT
      * Read VTK SCALARS field
      * \post the data set pointer is set to the data set constructed of the current grid
      *       and the read scalar values
+     * \param nbScalars
+     *      the number of scalars to read
+     * \param name
+     *      the name of the data set that may be overwritten by information in the scalars line
      */
     void readScalars( size_t nbScalars, const std::string & name );
 
     /**
      * Read VTK SCALARS field
      * \post the data set pointer is set to the data set constructed of the current grid
-     *       and the read scalar values
-     */
+     *       and the read vector values
+     * \param nbVectors
+     *      the number of vectors to read
+     * \param name
+     *      the name of the data set that may be overwritten by information in the vectors line
+      */
     void readVectors( size_t nbVectors, const std::string & name );
 
     /**
      * Read VTK TENSORS field
      * \post the data set pointer is set to the data set constructed of the current grid
-     *       and the read scalar values
-     */
+     *       and the read tensor values
+     * \param nbTensors
+     *      the number of tensors to read
+     * \param name
+     *      the name of the data set that may be overwritten by information in the tensors line
+      */
     void readTensors( size_t nbTensors, const std::string & name );
 
 
@@ -164,9 +176,19 @@ class WReaderVTK : public WReader // NOLINT
 
 
 
+    /**
+     * reference to the currently loading data set
+     */
     boost::shared_ptr< WDataSet > newDataSet;
+
+    /**
+     * reference to the currently loading grid
+     */
     boost::shared_ptr< WGridRegular3D > newGrid;
 
+    /**
+     * internal flag whether we read ascii or binary
+     */
     bool isAscii;
 };
 

src/modules/directVolumeRendering/WMDirectVolumeRendering.h

@@ -103,7 +103,11 @@ protected:
     virtual void requirements();
 
 private:
+    /**
+     * The transfer function as an input data set
+     */
     boost::shared_ptr< WModuleInputData< WDataSetSingle > > m_transferFunction;
+
     /**
      * An input connector used to get datasets from other modules. The connection management between connectors must not be handled by the module.
      */

src/qt4gui/qt4/WMainWindow.h

@@ -205,21 +205,26 @@ protected:
      * Called for each project save request.
      *
      * \param writer the list of writers to use.
+     *
+     * \returns true if saving was successful
      */
     virtual bool projectSave( const std::vector< boost::shared_ptr< WProjectFileIO > >& writer );
 
     /**
-     * drag and drop implementation
+     * drag and drop implementation for loading files
+     * \param event the event to handle
      */
     void dropEvent( QDropEvent* event );
 
     /**
-     * drag and drop implementation
+     * drag and drop implementation for loading files
+     * \param event the event to handle
      */
      void dragMoveEvent( QDragMoveEvent* event );
 
     /**
-     * drag and drop implementation
+     * drag and drop implementation for loading files
+     * \param event the event to handle
      */
      void dragEnterEvent( QDragEnterEvent* event );
 

src/qt4gui/qt4/controlPanel/WPropertyColorWidget.h

@@ -56,6 +56,7 @@ public:
 protected:
     /**
      * Internal helper, called to set the color
+     * \param color the new color
      */
     virtual void setColor( const QColor& color );
 
@@ -66,11 +67,13 @@ protected:
 
     /**
      * Reimplemented to accept color drops
+     * \param event the handled event
      */
     virtual void dragEnterEvent( QDragEnterEvent* event );
 
     /**
      * Reimplemented to accept color drops
+     * \param event the handled event
      */
     virtual void dropEvent( QDropEvent* event );
 

src/qt4gui/qt4/controlPanel/WPropertyTransferFunctionWidget.h

@@ -109,8 +109,11 @@ protected:
      */
     QHBoxLayout m_infoLayout;
 
-    WTransferFunctionWidget m_transferFunction; //< the current transfer function
-    WTransferFunction lastTransferFunction;     //< the previous transfer function used for comparison when updated
+    /** the current transfer function */
+    WTransferFunctionWidget m_transferFunction;
+
+    /** the previously used transfer function */
+    WTransferFunction lastTransferFunction;
 
     /**
      * internal synchronization flag

src/qt4gui/qt4/controlPanel/transferFunction/WTransferFunctionBackground.h

@@ -39,13 +39,30 @@ class WTransferFunctionWidget;
 class WTransferFunctionBackground : public QGraphicsPixmapItem
 {
     public:
+        /** type of base class */
         typedef QGraphicsPixmapItem BaseClass;
 
+        /** default constructor
+         * \param parent pointer to parent widget
+         */
         explicit WTransferFunctionBackground( WTransferFunctionWidget* parent = 0x0 );
+
+        /**
+         * default destructor
+         */
         virtual ~WTransferFunctionBackground();
 
+        /**
+         * get the bounding rectangle
+         * \returns the bounding rectangle
+         */
         QRectF boundingRect() const;
 
+        /**
+         * Set the background pixmap that will be displayed.
+         * In our case, this is the transfer function
+         * \param pixmap the pixmap to display
+         */
         void setMyPixmap( const QPixmap& pixmap );
 };
 

src/qt4gui/qt4/controlPanel/transferFunction/WTransferFunctionColorPoint.h

@@ -39,56 +39,150 @@ class WTransferFunctionWidget;
  */
 class WTransferFunctionColorPoint : public QObject, public QGraphicsItem
 {
-   Q_OBJECT // NOLINT
-   Q_INTERFACES( QGraphicsItem ) // NOLINT
+    Q_OBJECT // NOLINT
+    Q_INTERFACES( QGraphicsItem ) // NOLINT
 
-  public:
+public:
+    /** type of our base class */
     typedef QGraphicsItem BaseClass;
 
+    /** default constructor
+     * \param parent the parent widget
+     */
     explicit WTransferFunctionColorPoint( WTransferFunctionWidget* parent = 0x0 );
+
+    /**
+     * default destructor
+     */
     virtual ~WTransferFunctionColorPoint();
 
+    /**
+     * returns the item left of the this item
+     * \returns the item left of us
+     */
     WTransferFunctionColorPoint *getLeft() const;
+
+    /**
+     * returns the item right of this item
+     * \returns the item right of us
+     */
     WTransferFunctionColorPoint *getRight() const;
-    void setLeft( WTransferFunctionColorPoint* );
-    void setRight( WTransferFunctionColorPoint* );
 
+    /**
+     * set the item left of us
+     * \param left the item left of us
+     */
+    void setLeft( WTransferFunctionColorPoint* left);
+
+    /**
+     * set the item right of us
+     * \param right the item right of us
+     */
+    void setRight( WTransferFunctionColorPoint* right);
+
+    /**
+     * the bounding rectangle used for paint and click events
+     * \returns the bounding rectangle
+     */
     QRectF boundingRect() const;
+
+    /**
+     * paint the handle and additional item hints
+     * \param painter the painter used
+     * \param option the paint options used
+     * \param widget the widget used for painting
+     */
     virtual void paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget* widget = 0x0 );
 
+    /** \returns the color of the entry */
     QColor getColor() const;
 
+    /**
+     * drag enter implementation for items that contain a color
+     * \param event the event to handle
+     */
     virtual void dragEnterEvent( QGraphicsSceneDragDropEvent* event );
+
+    /**
+     * drop implementation for items that contain a color
+     * \param event the event to handle
+     */
     virtual void dropEvent( QGraphicsSceneDragDropEvent* event );
 
+    /**
+     * handler for context menu envents. Currently disabled because it
+     * conflicts with other mouse interactions
+     * \param event the event to hanlde
+     */
     void contextMenuEvent( QGraphicsSceneContextMenuEvent* event );
 
-  public slots:
+public slots:
     /**
       * Called by the color dialog every time the user changes the color.
+      * \param color the new color
       */
-    void colorSelected( const QColor& );
+    void colorSelected( const QColor& color);
 
-  protected:
+protected:
+    /** helper for item changed
+     * \param rectangle a rectangel
+     */
     void clampToRectangle( const QRectF& rectangle );
+
+    /** helper for item changed */
     void clampToLeftAndRight( );
 
+    /**
+     * handles change notifications
+     * \param change the requrested change
+     * \param value the requested value
+     * \returns the proposed value
+     */
     QVariant itemChange( GraphicsItemChange change, const QVariant &value );
 
+    /**
+     * handles mouse move events
+     * \param event the event
+     */
     void mouseMoveEvent( QGraphicsSceneMouseEvent *event );
+
+    /**
+     * handles press move events
+     * \param event the event
+     */
     void mousePressEvent( QGraphicsSceneMouseEvent *event );
+
+    /**
+     * handles mouse move events
+     * \param event the event
+     */
     void mouseReleaseEvent( QGraphicsSceneMouseEvent *event );
 
+    /**
+     * handles mouse double click events by opening a color selector
+     * if the item is clicked.
+     * \param event the event
+     */
     void mouseDoubleClickEvent( QGraphicsSceneMouseEvent *event );
 
+    /** show the color picker dialog */
     void showColorPicker();
-  private:
+
+private:
+
+    /** the radius used for paining of the handle */
     double radius;
+