Api documentation updates and setting grouping tag

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@9096 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/core/qgsdistancearea.h

@@ -22,15 +22,15 @@
 
 class QgsGeometry;
 
-/**
-General purpose distance and area calculator
-- calculations are done on ellipsoid
-- it's possible to pass points/features in any SRS, coordinates are transformed
-- two options how to use it
-  + use measure() takes QgsGeometry as a parameter and calculates distance or area
-  + use directly measureLine(), measurePolygon() which take list of QgsPoints
-  (both cases transform the coordinates from source SRS to the ellipse coords)
-- returned values are in meters resp. square meters
+/** \ingroup core
+ * General purpose distance and area calculator.
+ * calculations are done on ellipsoid
+ * it's possible to pass points/features in any CRS, coordinates are transformed
+ * There are two options to use it
+ * + use measure() takes QgsGeometry as a parameter and calculates distance or area
+ * + use directly measureLine(), measurePolygon() which take list of QgsPoints
+ * (both cases transform the coordinates from source SRS to the ellipse coords)
+ * Returned values are in meters resp. square meters
 */
 class CORE_EXPORT QgsDistanceArea
 {

src/core/qgsexception.h

@@ -24,8 +24,8 @@
 
 #include <QDomNode> 
 
-/**
-   Defines a qgis exception class
+/** \ingroup core
+  * Defines a qgis exception class.
  */
 class CORE_EXPORT QgsException : public std::exception
 {

src/core/qgsfeature.h

@@ -40,9 +40,9 @@ typedef QMap<int, QString> QgsFieldNameMap;
 
 typedef QList<QgsFeature> QgsFeatureList;
 
-/**
- * @class QgsFeature - Feature attribute class.
- * Encapsulates a single feature including id and field/value.
+/** \ingroup core
+ * The feature class encapsulates a single feature including its id,
+ * geometry and a list of field/values attributes.
  *
  * @author Gary E.Sherman
  */

src/core/qgsfield.h

@@ -20,12 +20,10 @@
 #include <QString>
 #include <QVariant>
 
-/**
-  \class QgsField
-  \brief Class to encapsulate a field in an attribute table or data source.
-
-  QgsField stores metadata about an attribute field, including name, type
-  length, and if applicable, precision.
+/** \ingroup core
+  * Encapsulate a field in an attribute table or data source.
+  * QgsField stores metadata about an attribute field, including name, type
+  * length, and if applicable, precision.
  */
 
 class CORE_EXPORT QgsField

src/core/qgsgeometry.h

@@ -48,7 +48,8 @@ typedef QVector<QgsPolygon> QgsMultiPolygon;
 
 class QgsRect;
 
-/** 
+/** \ingroup core
+ * A geometry is the spatial representation of a feature.
  * Represents a geometry with input and output in formats specified by 
  * (at least) the Open Geospatial Consortium (WKB / WKT), and containing
  * various functions for geoprocessing of the geometry.

src/core/qgshttptransaction.h

@@ -27,16 +27,10 @@
 
 class QTimer;
 
-/**
-
-  \brief  HTTP request/response manager that is redirect-aware.
- 
-  This class extends the Qt QHttp concept by being able to recognise
-  and respond to redirection responses (e.g. HTTP code 302)
-  
-  
-  TODO: Make it work
-  
+/** \ingroup core
+ * HTTP request/response manager that is redirect-aware.
+ * This class extends the Qt QHttp concept by being able to recognise
+ *  and respond to redirection responses (e.g. HTTP code 302)
 */
 
 class CORE_EXPORT QgsHttpTransaction : public QObject

src/core/qgslabel.h

@@ -42,7 +42,11 @@ typedef QList<int> QgsAttributeList;
 
 typedef QMap<int, QgsField> QgsFieldMap;
 
-/** Render class to display labels */
+/** \ingroup core
+  * A class to render labels.
+  * Label rendering properties can be either specified directly or 
+  * in most cases determined dynamically based on the value of an attribute. 
+  **/
 class CORE_EXPORT QgsLabel
 {
 public:

src/core/qgslabelattributes.h

@@ -24,7 +24,8 @@
 class QString;
 class QColor;
 
-/** This class can be used to store attributes needed for label rendering. 
+/** \ingroup core
+ * A class to store attributes needed for label rendering. 
  *
  *  Label attributes:
  *                         border (color, width, style)
@@ -70,7 +71,7 @@ class QColor;
  *   - border color
  *   - border style
  *
- *   Each attribute is either se or unset.
+ *   Each attribute is either set or unset.
  */
 
 class  CORE_EXPORT QgsLabelAttributes

src/core/qgsline.h

@@ -23,9 +23,8 @@
 #include <iostream>
 
 #include "qgspoint.h"
-
-/*! \class QgsLine
- * \brief A simple line object composed of a begin and end point.
+/** \ingroup core
+ * A simple line object composed of a begin and end point.
  * 
  * Comparisons (==, !=) honor the direction of the line. This means that 
  * flipped lines with the same coordinates are not considered to be equal.

src/core/qgslogger.h

@@ -31,11 +31,17 @@ __FILE__, __FUNCTION__, __LINE__);
 #define QgsDebugMsgLevel(str, level) 
 #endif
 
-/**QgsLogger is a class to print debug/warning/error messages to the console. The advantage of this class over std::cout, std::cerr & co. is that the output can be controlled with environment variables:
-
-QGIS_DEBUG is an int describing what debug messages are written to the console. If the debug level of a message is <= QGIS_DEBUG, the message is written to the console. It the variable QGIS_DEBUG is not defined, it defaults to 1 for debug mode and to 0 for release mode
-
-QGIS_DEBUG_FILE may contain a filename. Only the messages from this file are printed (provided they have the right debuglevel). If QGIS_DEBUG_FILE is not set, messages from all files are printed
+/** \ingroup core 
+ * QgsLogger is a class to print debug/warning/error messages to the console.
+ * The advantage of this class over std::cout, std::cerr & co. is that the
+ * output can be controlled with environment variables:
+ * QGIS_DEBUG is an int describing what debug messages are written to the console.
+ * If the debug level of a message is <= QGIS_DEBUG, the message is written to the
+ * console. It the variable QGIS_DEBUG is not defined, it defaults to 1 for debug
+ * mode and to 0 for release mode
+ * QGIS_DEBUG_FILE may contain a filename. Only the messages from this file are
+ * printed (provided they have the right debuglevel). If QGIS_DEBUG_FILE is not
+ * set, messages from all files are printed
 */
 
 class CORE_EXPORT QgsLogger

src/core/qgsmaplayer.h

@@ -34,9 +34,9 @@ class QDomDocument;
 class QKeyEvent;
 class QPainter;
 
-/** \class QgsMapLayer
- *  \brief Base class for all map layer types.
- * This class is the base class for all map layer types (vector, raster).
+/** \ingroup core
+ * Base class for all map layer types.
+ * This is the base class for all map layer types (vector, raster).
  */
 class CORE_EXPORT QgsMapLayer : public QObject
 {

src/core/qgsmaplayerregistry.h

@@ -28,10 +28,9 @@ class QStringList;
 
 class QgsMapLayer;
 
-/**
-* \class QgsMapLayerRegistry
-* \brief This class tracks map layers that are currently loaded an provides
-* a means to fetch a pointer to a map layer and delete it
+/** \ingroup core
+* This class tracks map layers that are currently loaded and provides
+* a means to fetch a pointer to a map layer and delete it.
 */
 class CORE_EXPORT QgsMapLayerRegistry : public QObject
 {

src/core/qgsmaprenderer.h

@@ -34,10 +34,8 @@ class QgsScaleCalculator;
 class QgsSpatialRefSys;
 class QgsDistanceArea;
 
-/**
- * \class QgsMapRenderer
- * \brief Class for rendering map layer set
- *
+/** \ingroup core
+ * A non GUI class for rendering a map layer set onto a QPainter.
  */
 
 class CORE_EXPORT QgsMapRenderer : public QObject

src/core/qgsmaptopixel.h

@@ -26,11 +26,11 @@
 class QgsPoint;
 class QPoint;
 
-/*! \class QgsMapToPixel
-* \brief Class for doing transforms between map coordinates and device coordinates.
-*
-* This class can convert device coordinates to map coordinates and vice versa.
-*/
+/** \ingroup core
+  * Perform transforms between map coordinates and device coordinates.
+  *
+  * This class can convert device coordinates to map coordinates and vice versa.
+  */
 class CORE_EXPORT QgsMapToPixel{
  public:
  /* Constructor

src/core/qgsmessageoutput.h

@@ -25,17 +25,16 @@ class QgsMessageOutput;
 typedef QgsMessageOutput* (*MESSAGE_OUTPUT_CREATOR)();
 
 
-/**
-\brief Interface for showing messages from QGIS in GUI independent way
-
-This class provides abstraction of a dialog for showing output to the user.
-By default QgsMessageConsoleOutput will be used if not overridden
-with other message output creator function.
+/** \ingroup core 
+ * Interface for showing messages from QGIS in GUI independent way.
+ * This class provides abstraction of a dialog for showing output to the user.
+ * By default QgsMessageConsoleOutput will be used if not overridden with other
+ * message output creator function.
 
-QGIS application uses QgsMessageView class for displaying a dialog to the user.
+ * QGIS application uses QgsMessageView class for displaying a dialog to the user.
 
-Object deletes itself when it's not needed anymore. Children should use
-signal destroyed() to notify the deletion
+ * Object deletes itself when it's not needed anymore. Children should use
+ * signal destroyed() to notify the deletion
 */
 class CORE_EXPORT QgsMessageOutput
 {

src/core/qgspoint.h

@@ -23,6 +23,10 @@
 
 #include <QString>
 
+/** \ingroup core
+ * A class to represent a point geometry.
+ * Currently no Z axis / 2.5D support is implemented.
+ */
 class CORE_EXPORT QgsPoint 
 {
  public: