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docs: Document printer.gcode_move variables in Command_Templates.md 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2020-08-15 17:55:24 -04:00
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@ -119,17 +119,42 @@ other macros, as the called macro is evaluated when it is invoked
By convention, the name immediately following `printer` is the name of
a config section. So, for example, `printer.fan` refers to the fan
object created by the `[fan]` config section. There are some
exceptions to this rule - notably the `gcode` and `toolhead` objects.
If the config section contains spaces in it, then one can access it
via the `[ ]` accessor - for example:
exceptions to this rule - notably the `gcode_move` and `toolhead`
objects. If the config section contains spaces in it, then one can
access it via the `[ ]` accessor - for example:
`printer["generic_heater my_chamber_heater"].temperature`.
The following are common printer attributes:
- `printer.fan.speed`: The fan speed as a float between 0.0 and 1.0.
- `printer.gcode.gcode_position`: The current position of the toolhead
relative to the current G-Code origin. It is possible to access the
x, y, z, and e components of this position (eg,
`printer.gcode.gcode_position.x`).
- `printer.gcode_move.gcode_position`: The current position of the
toolhead relative to the current G-Code origin. That is, positions
that one might directly send to a `G1` command. It is possible to
access the x, y, z, and e components of this position (eg,
`printer.gcode_move.gcode_position.x`).
- `printer.gcode_move.position`: The last commanded position of the
toolhead using the coordinate system specified in the config
file. It is possible to access the x, y, z, and e components of this
position (eg, `printer.gcode_move.position.x`).
- `printer.gcode_move.homing_origin`: The origin of the gcode
coordinate system (relative to the coordinate system specified in
the config file) to use after a `G28` command. The
`SET_GCODE_OFFSET` command can alter this position. It is possible
to access the x, y, and z components of this position (eg,
`printer.gcode_move.homing_origin.x`).
- `printer.gcode_move.speed`: The last speed set in a `G1` command (in
mm/s).
- `printer.gcode_move.speed_factor`: The "speed factor override" as
set by an `M220` command. This is a floating point value such
that 1.0 means no override and, for example, 2.0 would double
requested speed.
- `printer.gcode_move.extrude_factor`: The "extrude factor override"
as set by an `M221` command. This is a floating point value such
that 1.0 means no override and, for example, 2.0 would double
requested extrusions.
- `printer.gcode_move.absolute_coordinates`: This returns True if in
`G90` absolute coordinate mode or False if in `G91` relative mode.
- `printer.gcode_move.absolute_extrude`: This returns True if in `M82`
absolute extrude mode or False if in `M83` relative mode.
- `printer["gcode_macro <macro_name>"].<variable>`: The current value
of a gcode_macro variable.
- `printer.<heater>.temperature`: The last reported temperature (in