VLIDORT User's Guide

4. The VLIDORT 2.6 package4.1. OverviewThe VLIDORT “tarball” package comes as a zipped Tar file. The package directory structure issummarized in Figure 4.1. From the parent directory, there are nine upper level subdirectories,including one for the main source code (vlidort_main), one for VLIDORT’s Fortran 90input/output type structure definition files (vlidort_def), two for scalar and vector radiativetransfer testing environments (vlidort_s_test and vlidort_v_test) and one forVLIDORT supplement files (vsup). Object code, Fortran 90 mod files, VLIDORT packageutilities and VLIDORT documentation are also stored in separate directories.Parent Directoryvlidort_mainmodvlidort_s_test- test programs- makefile- configuration files- atmospheric data- test resultsvlidort_v_test- test programs- makefile- configuration files- atmospheric data- test resultsdocsvlidort_defobjutilsaved_resultssaved_resultsgfortranifortgfortranifortvsupvbrdfvsleaveFigure 4.1. Directory structure for the VLIDORT installation package.The test environment directories “vlidort_s_test” and “vlidort_v_test” contain several examplesof calling programs for the VLIDORT code, along with associated makefiles, input configurationfiles to read control options, and pre-prepared atmospheric setup data file(s) containing opticalproperty inputs. There is also an archive of results files in both “vlidort_s_test” and“vlidort_v_test” in the subdirectory “saved_results”, with which the user may compare after53