I'm trying to follow a spectral unmixing tutorial: http://www.clas.ufl.edu/l...sed_DanielGodwin.doc When I get to step 19 and hit the "apply" button, ENVI comes up with this message: "The input spectrum does not contain the same number of bands as the target and no resampling can be done without wavelengths." Please help me. Thank you for your time.