Emgu CV Library Documentation
cv2DRotationMatrix Method (center, angle, scale, mapMatrix)
NamespacesEmgu.CVCvInvokecv2DRotationMatrix(MCvPoint2D32f, Double, Double, IntPtr)

www.emgu.com/wiki
Calculates rotation matrix
Declaration Syntax
C#Visual BasicVisual C++
public static IntPtr cv2DRotationMatrix(
	MCvPoint2D32f center,
	double angle,
	double scale,
	IntPtr mapMatrix
)
Public Shared Function cv2DRotationMatrix ( _
	center As MCvPoint2D32f, _
	angle As Double, _
	scale As Double, _
	mapMatrix As IntPtr _
) As IntPtr
public:
static IntPtr cv2DRotationMatrix(
	MCvPoint2D32f center, 
	double angle, 
	double scale, 
	IntPtr mapMatrix
)
Parameters
center (MCvPoint2D32f)
Center of the rotation in the source image.
angle (Double)
The rotation angle in degrees. Positive values mean couter-clockwise rotation (the coordiate origin is assumed at top-left corner).
scale (Double)
Isotropic scale factor
mapMatrix (IntPtr)
Pointer to the destination 2x3 matrix
Return Value
Pointer to the destination 2x3 matrix

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)