Commit c01d50f4 authored by Quentin Khan's avatar Quentin Khan
Browse files

fuseDistributions: add help message

parent f78e7fba
......@@ -18,6 +18,47 @@
#include "Files/FFmaGenericLoader.hpp"
void usage(const std::string& progname) {
std::size_t start = progname.find_last_of('/');
std::string name = progname.substr(start+1);
std::cout <<
"usage: " << name <<
" --file [[-s scale] [-c cx:cy:cz] [-g gx:gy:gz]] filename"
" -fout output_file"
" [--extra-length length]"
"Fuses multiple particle distributions into a bigger one."
" -fout output_file\n"
" The output file name, must hase .bfma or .fma extension\n"
" --file [opts] filename [opts]\n"
" Add a .fma or .bfma distibution file. Multiple files may be specified by\n"
" adding more --file options. 'opts' is a combination of:\n"
" -s scale\n"
" Scale the distribution by 'scale' factor.\n"
" -c cx:cy:cz\n"
" Center the distribution at given coordinates. cx, cy and cz are\n"
" floating point numbers.\n"
" -g gx:gy:gz\n"
" Duplicate the distribution inside a grid of gx by gy by gz dimensions.\n"
" gx, gy and gz are integers. The grid center is governed by the -c \n"
" option.\n"
" --extra-length length\n"
" Length to be added to the final box width.\n"
" --help\n"
" Print this message."
using FReal = double;
struct Particle {
......@@ -116,7 +157,9 @@ parameters parse(const std::vector<std::string>& args) {
parameters params;
std::stringstream sstr;
for(std::size_t i = 1; i < args.size(); ++i) {
if(false) { // To reorder cases without breaking format
if(args[i] == "--help") {
} else if(args[i] == "--file") {
auto ds = subparse_file(args, i);
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