Fig. 5From: Isolating phyllotactic patterns embedded in the secondary growth of sweet cherry (Prunus avium L.) using magnetic resonance imagingPolar coordinate conversion for selected slices. After finding the center and radius of each pixel slice \(Z_i\) we convert to polar coordinates, producing polar slices \(P_i\). The radius spans from 0 to the estimated radius \(\rho _i\)Back to article page