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expr:functions:func-unit_to_setunit

unit_to_setunit()

Converts a value from the current G-code unit (G20 for inches, G21 for millimeters) to the unit set in system settings.

Syntax

unit_to_setunit(value)

Parameters

Parameter Type Description
value Number The value in the current G-code unit to convert to the system's unit setting.

Return Value

  • The equivalent value in the unit set in system settings.
  • If the system unit matches the current G-code unit, the value remains unchanged.
  • If the system is set to millimeters and the G-code unit is inches, the value is converted from inches to millimeters.
  • If the system is set to inches and the G-code unit is millimeters, the value is converted from millimeters to inches.

Examples

Convert 1 inch to system units 

unit_to_setunit(1);  // returns 25.4 if settings are in mm, 1 if in inches

Convert 100 mm to system units 

unit_to_setunit(100);  // returns 3.937 if settings are in inches, 100 if in mm

Pseudocode: 

if (_set_units == _units)
  return value;
else if (_set_units == inches)
  return value / 25.4;
else if (_set_units == millimeters)
  return value * 25.4;

See also

mm_to_unit
unit_to_mm

mm_to_setunit
setunit_to_mm

unit_to_setunit
setunit_to_unit

setunit

expr/functions/func-unit_to_setunit.txt · Last modified: by andrej

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