Get Wrong World position When Rotate Image Data

Development
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Hi
I Get World Position With vtkWorldPointPicker Its Work When Have not Rotate image Data but When I Rotate VtkImageData its wrong working its my code Rotate And Method To Get Mouse position
Method I get world position
int[] eventPos = Renderer.GetRenderWindow().GetInteractor().GetEventPosition();
vtkWorldPointPicker cellPicker =
vtkWorldPointPicker.New();
cellPicker.Pick(eventPos[0] , eventPos[1] , 0 , Renderer);
double[] worldPosition = cellPicker.GetPickPosition();

Method I Rotate image Data

vtkImageSlice imageSlice = new();
double[] c = reader.GetCenter();
imageSlice.SetPosition(c[0], c[1], c[2]);
imageSlice.RotateZ(angle);
imageSlice.ComputeMatrix();
imageSlice.Update();
vtkMatrix4x4 matrix = imageSlice.GetMatrix();

        vtkImageReslice reslice = new();
        reslice.SetInputData(reader);
        reslice.SetResliceAxes(matrix);
        reslice.SetInterpolationModeToCubic();
        reslice.Update();
        return reslice;

pixel position of
PixelPosition
image Without Chagne Rotate
WrongPixelposition
Image With Rotate
Also When I rotate Image Data Position That Changing
Thank you if you help me