To have a function to generate a rectangular mask along a selected line from a grid, and the this mask will be feed to a directional average function where the spectra will be averaged along the short axis and then each averaged spectrum will be displayed as a function of the distance along the long axis.
To have a function to generate a rectangular mask along a selected line from a grid, and the this mask will be feed to a directional average function where the spectra will be averaged along the short axis and then each averaged spectrum will be displayed as a function of the distance along the long axis.