1. ccrtm::data_prospect5
    refractive index and specific absorption coefficients for PROSPECT 5
    matrix|2101 x 7
  2. ccrtm::data_prospectd
    refractive index and specific absorption coefficients for PROSPECT D
    matrix|2101 x 8
  3. ccrtm::soil
    soil reflectance
    matrix|2101 x 2
  4. ccrtm::solar
    direct and diffuse light
    matrix|2101 x 2