00001 " ",
00002 " ----------------------------------- ACDFWI ---------------------------------",
00003 " ",
00004 " Acoustic constant density full waveform inversion",
00005 " iwave/acd/main/acdfwd.cc",
00006 " ",
00007 " ------------------------- begin acdfwi parameters -------------------------",
00008 " ",
00009 " I/O:",
00010 " data = <path> input data file, SU format ",
00011 " csq = <path> input vel-squared reference file",
00012 " init_csq = <path> path to initial csq file (may be same as csq)",
00013 " final_csq = <path> path to final csq file",
00014 " source = <path> path to input source data file (traces), ",
00015 " SU format, source position(s) indicated by",
00016 " RECEIVER coordinates (gx, gy, gelev) - may",
00017 " prepare input source with correct headers",
00018 " using eg. towed_array.x or planewave utilities",
00019 " ",
00020 " Optional I/O:",
00021 " datamut = \"\" path to muted data file - optional output",
00022 " dataest = \"\" data estimated from final model - optional output",
00023 " datares = \"\" data residual from final model - optional output",
00024 " outfile = \"\" verbose output - default is terminal",
00025 " printact = 0 output at every time step",
00026 " 0 - none",
00027 " 1 - time step index",
00028 " 2 - diagnostic messages from main routines",
00029 " > 2 - much more, useful only for serious ",
00030 " debugging",
00031 " dump_pi = 0 dump parallel/dom. decomp info",
00032 " dump_lda = 0 dump grid data for allocated arrays",
00033 " dump_ldc = 0 dump grid data for computational arrays",
00034 " dump_ldr = 0 dump grid data for receive buffers",
00035 " dump_lds = 0 dump grid data for send buffers",
00036 " dump_term = 0 dump trace header data",
00037 " ",
00038 " FD:",
00039 " order = 2 spatial half-order",
00040 " cfl = 0.75 proportion of max dt/dx",
00041 " cmin = 1.0 min permitted velocity (m/ms) - sanity check, m/ms",
00042 " cmax = 4.5 max permitted velocity (m/ms) - used in dt comp m/ms",
00043 " sampord = 1 spatial interp order for sampling or adjoint",
00044 " sampling trace data to/from grid - 0 (nr nbr) ",
00045 " or 1 (multilin)",
00046 " mpi_np1 = 1 number of subdomains along axis 1",
00047 " mpi_np2 = 1 number of subdomains along axis 2",
00048 " mpi_np3 = 1 number of subdomains along axis 3",
00049 " partask = 1 number of shots to execute in parallel",
00050 " ",
00051 " Optimization:",
00052
00053 " OptMethod = lbfgs optimization method - current choices are ",
00054 " lbfgs (default) and trcg",
00055 " ",
00056 " --------------------------- end acdfwi parameters -------------------------",
00057
