= "Usage:\n"
"\ttriplclust [options] <infile>\n"
"Options (defaults in brackets):\n"
"\t-r <radius> radius for point smoothing [2dNN]\n"
"\t (can be numeric or multiple of dNN)\n"
"\t-k <n> number of neighbours in triplet creation [19]\n"
"\t-n <n> number of the best triplets to use [2]\n"
"\t-a <alpha> maximum value for the angle between the\n"
"\t triplet branches [0.03]\n"
"\t-s <scale> scalingfactor for clustering [0.33dNN]\n"
"\t (can be numeric or multiple of dNN)\n"
"\t-t <dist> best cluster distance [auto]\n"
"\t (can be numeric or 'auto')\n"
"\t-m <n> minimum number of triplets for a cluster [5]\n"
"\t-dmax <n> max gapwidth within a triplet [none]\n"
"\t (can be numeric, multiple of dNN or 'none')\n"
"\t-link <method> linkage method for clustering [single]\n"
"\t (can be 'single', 'complete', 'average')\n"
"\t-oprefix <prefix>\n"
"\t write result not to stdout, but to <prefix>.csv\n"
"\t and (if -gnuplot is set) to <prefix>.gnuplot\n"
"\t-gnuplot print result as a gnuplot command\n"
"\t-delim <char> single char delimiter for csv input [' ']\n"
"\t-skip <n> number of lines skipped at head of infile [0]\n"
"\t-v be verbose\n"
"\t-vv be more verbose and write debug trace files\n"
"Version:\n"
"\t1.3 from 2019-04-02"