    //! Blur image anisotropically, in an edge-preserving way \newinstance.
    CImg<Tfloat> get_blur_anisotropic(const float amplitude, const float sharpness=0.7f, const float anisotropy=0.6f,
                                      const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f,
                                      const float da=30, const float gauss_prec=2,
                                      const unsigned int interpolation_type=0,
                                      const bool is_fast_approx=true) const {
      return CImg<Tfloat>(*this,false).blur_anisotropic(amplitude,sharpness,anisotropy,alpha,sigma,dl,da,gauss_prec,
                                                        interpolation_type,is_fast_approx);
Unknown