Some missing class documentation.

Gui/Base/QValueTooltipSlider.h

@@ -8,6 +8,9 @@
 
 #include <QSlider>
 
+/**
+ * \brief A QSlider which shows its value as a tooltip when moved.
+ */
 class QValueTooltipSlider : public QSlider
 {
 	Q_OBJECT

Gui/Base/StrictDoubleValidator.h

@@ -8,11 +8,12 @@
 #ifndef STRICTDOUBLEVALIDATOR_H_
 #define STRICTDOUBLEVALIDATOR_H_
 
-// source code adapted from:
-// http://developer.qt.nokia.com/faq/answer/i_can_still_insert_numbers_outside_the_range_specified_with_a_qdoublevalida
-
 #include <QDoubleValidator>
 
+/**
+ * \brief A validator for an input field which only accepts decimals.
+ * Source code adapted from [Qt developer fac](http://developer.qt.nokia.com/faq/answer/i_can_still_insert_numbers_outside_the_range_specified_with_a_qdoublevalida)
+ */
 class StrictDoubleValidator : public QDoubleValidator
 {
 public:

Gui/Base/StrictIntValidator.h

@@ -8,11 +8,12 @@
 #ifndef STRICTINTVALIDATOR_H_
 #define STRICTINTVALIDATOR_H_
 
-// source code adapted from:
-// http://developer.qt.nokia.com/faq/answer/i_can_still_insert_numbers_outside_the_range_specified_with_a_qdoublevalida
-
 #include <QIntValidator>
 
+/**
+ * \brief A validator for an input field which only accepts integers.
+ * Source code adapted from [Qt developer fac](http://developer.qt.nokia.com/faq/answer/i_can_still_insert_numbers_outside_the_range_specified_with_a_qdoublevalida)
+ */
 class StrictIntValidator : public QIntValidator
 {
 public:

Gui/DataView/NetCdfConfigureDialog.h

@@ -18,6 +18,9 @@ namespace MeshLib {
 
 class VtkGeoImageSource;
 
+/**
+ * \brief The dialog which presents the user options to load NetCDF-files.
+ */
 class NetCdfConfigureDialog : public QDialog, private Ui_NetCdfConfigure
 {
 	Q_OBJECT
@@ -52,7 +55,7 @@ private:
 	double getResolution();
 	QString setName();
 	void reverseNorthSouth(double* data, size_t width, size_t height);
-	
+
 	NcFile *_currentFile;
 	NcVar *_currentVar;
 	QDateTime _currentInitialDateTime;

Gui/VtkVis/VtkCompositeFilter.h

@@ -10,25 +10,26 @@
 
 class vtkAlgorithm;
 
-/// @brief Is used to combine several filter in one VtkVisPipelineItem. You can
-/// use vtk filter and custom filter. To subclass this you have to implement the
-/// init() function. There you combine the filters. Make sure to set the members
-/// _inputDataObjectType, _outputDataObjectType and _outputAlgorithm. Make also
-/// sure to implement VtkAlgorithmProperties::SetUserProperty() and
-/// VtkAlgorithmProperties::SetUserVectorProperty().
-///
-/// Allocate vtk objects inside init() with vtkSmartPointer except for the last
-/// filter. This filter must also be set to _outputAlgorithm, e.g.
-/// \code
-/// MyVtkFilter* lastFilter = MyVtkFilter::New();
-/// ...(do something here)
-/// _outputAlgorithm = lastFilter;
-/// \endcode
-///
-/// Create user properties with ogsUserPropertyMacro or ogsUserVecxPropertyMacro
-/// and initialize these properties inside the constructor with
-/// this->Set[Property Name](value)
-/// See VtkCompositeThresholdFilter for an example.
+/**
+ * @brief Is used to combine several filter in one VtkVisPipelineItem. You can
+ * use vtk filter and custom filter. To subclass this you have to implement the
+ * init() function. There you combine the filters. Make sure to set the members
+ * _inputDataObjectType, _outputDataObjectType and _outputAlgorithm. Make also
+ * sure to implement VtkAlgorithmProperties::SetUserProperty() and
+ * VtkAlgorithmProperties::SetUserVectorProperty().
+ *
+ * Allocate vtk objects inside init() with vtkSmartPointer except for the last
+ * filter. This filter must also be set to _outputAlgorithm, e.g.
+ *
+ *     MyVtkFilter* lastFilter = MyVtkFilter::New();
+ *     ...(do something here)
+ *     _outputAlgorithm = lastFilter;
+ *
+ * Create user properties with `ogsUserPropertyMacro` or `ogsUserVecxPropertyMacro`
+ * and initialize these properties inside the constructor with
+ * `this->Set[Property Name](value)`.
+ * See VtkCompositeThresholdFilter for an example.
+ */
 class VtkCompositeFilter : public VtkAlgorithmProperties
 {
 public:
@@ -57,7 +58,8 @@ public:
 	vtkAlgorithm* GetOutputAlgorithm() const { return _outputAlgorithm; }
 
 protected:
-	/// See vtkSetGet.h for the defines
+	/// See [vtkSetGet.h](https://github.com/Kitware/VTK/blob/master/Common/Core/vtkSetGet.h)
+	/// for the defines
 	int _inputDataObjectType;
 	int _outputDataObjectType;
 

Gui/VtkVis/VtkGeoImageSource.h

@@ -16,7 +16,9 @@ class vtkQImageToImageSource;
 class vtkImageShiftScale;
 class vtkImageData;
 
-
+/**
+ * \brief The VtkVisPipeline source object of a geo-referenced image (file).
+ */
 class VtkGeoImageSource : public vtkSimpleImageToImageFilter, public VtkAlgorithmProperties
 {
 public:

Gui/VtkVis/VtkSelectionFilter.h

@@ -14,6 +14,9 @@
 
 #include <vector>
 
+/**
+ * \brief
+ */
 class VtkSelectionFilter : public vtkUnstructuredGridAlgorithm, public VtkAlgorithmProperties
 {
 public:

Gui/VtkVis/VtkVisHelper.h

@@ -10,6 +10,9 @@ class QImage;
 class vtkTexture;
 class vtkImageData;
 
+/**
+ * \brief Some data conversion helper functions.
+ */
 class VtkVisHelper
 {
 public:

MeshLib/MshEnums.h

@@ -32,6 +32,9 @@ struct MshElemType
 	};
 };
 
+/**
+ * \brief Describes a mesh quality criteria.
+ */
 struct MshQualityType
 {
 	enum type {