1libinput-measure-touchpad-sizGee(n1e)ral Commands Mlainbuianlput-measure-touchpad-size(1)
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NAME

6       libinput-measure-touchpad-size - measure the size of a touchpad
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SYNOPSIS

9       libinput measure touchpad-size [--help] WxH [/dev/input/event0]
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DESCRIPTION

12       The  libinput  measure touchpad-size tool measures the size of a touch‐
13       pad. This is an interactive tool. When executed, the tool  will  prompt
14       the  user  to  interact  with  the  touchpad. The tool records the axis
15       ranges and calculates the size and resolution based on those. On termi‐
16       nation,  the  tool  prints  a  hwdb  entry  that  can  be  added to the
17       60-evdev.hwdb file provided by system.
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19       For  details  see   the   online   documentation   here:   https://way‐
20       land.freedesktop.org/libinput/doc/latest/absolute-coordinate-
21       ranges.html
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23       This is a debugging tool only, its output may change at  any  time.  Do
24       not rely on the output.
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26       This  tool  usually  needs  to  be  run  as  root to have access to the
27       /dev/input/eventX nodes.
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OPTIONS

30       This tool must be provided the physical dimensions of the device in mm.
31       For  example,  if  your  touchpad is 100mm wide and 55mm high, run this
32       tool as libinput measure touchpad-size 100x55
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34       If a device node is given, this tool opens that device node. Otherwise,
35       this  tool  searches  for the first node that looks like a touchpad and
36       uses that node.
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38       --help  Print help
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LIBINPUT

41       Part of the libinput(1) suite
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45                                             libinput-measure-touchpad-size(1)