interface_build {
    {i.cca} 0
    {Canonical components analysis (cca) program for image processing.}
    {entry group {Imagery group:} 0 ""}
    {entry subgroup {Imagery subgroup:} 0 ""}
    {entry signature {ASCII file containing spectral signatures:} 0 ""}
    {entry output {Output raster file prefix name:} 0 ""}
}