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-rw-r--r--src/gui/math3d/qvector3d.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gui/math3d/qvector3d.cpp b/src/gui/math3d/qvector3d.cpp
index 2915d3a81b..0e3f4e1956 100644
--- a/src/gui/math3d/qvector3d.cpp
+++ b/src/gui/math3d/qvector3d.cpp
@@ -53,6 +53,7 @@ QT_BEGIN_NAMESPACE
\class QVector3D
\brief The QVector3D class represents a vector or vertex in 3D space.
\since 4.6
+ \ingroup painting-3D
Vectors are one of the main building blocks of 3D representation and
drawing. They consist of three coordinates, traditionally called