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tools: add some extra help output about the expected input data

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Peter Hutterer 2016-11-14 16:50:55 +10:00
parent 86ead3a6ad
commit d1d3ea4d06
1 changed files with 3 additions and 0 deletions
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3
tools/ptraccel-debug.c
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@ -182,6 +182,9 @@ usage(void)
"If stdin is a pipe, mode defaults to 'sequence' and the pipe is read \n" "If stdin is a pipe, mode defaults to 'sequence' and the pipe is read \n"
"for delta coordinates\n" "for delta coordinates\n"
"\n" "\n"
"Delta coordinates passed into this tool must be in dpi as\n"
"specified by the --dpi argument\n"
"\n"
"Output best viewed with gnuplot. See output for gnuplot commands\n"); "Output best viewed with gnuplot. See output for gnuplot commands\n");
} }