traits for Affine3

modules/core/include/opencv2/core/affine.hpp

@@ -134,8 +134,24 @@ namespace cv
 
     static cv::Vec3f operator*(const cv::Affine3f& affine, const cv::Vec3f& vector);
     static cv::Vec3d operator*(const cv::Affine3d& affine, const cv::Vec3d& vector);
-}
 
+    template<typename _Tp> class DataType< Affine3<_Tp> >
+    {
+    public:
+        typedef Affine3<_Tp>                               value_type;
+        typedef Affine3<typename DataType<_Tp>::work_type> work_type;
+        typedef _Tp                                        channel_type;
+
+        enum { generic_type = 0,
+               depth        = DataType<channel_type>::depth,
+               channels     = 16,
+               fmt          = DataType<channel_type>::fmt + ((channels - 1) << 8),
+               type         = CV_MAKETYPE(depth, channels)
+             };
+
+        typedef Vec<channel_type, channels> vec_type;
+    };
+}
 
 
 ///////////////////////////////////////////////////////////////////////////////////