create magick sheet from channel location : position accuracy

hello

using 3.3.3 build 10

when using "create magick sheet from channel location" in the augment3d panel, the location of the channels in the magick sheet do not have the same position.

example : 

using : top down and scale 100

the channel in augment3d is located at (x;y) : 6;3

the channel in the magick sheet is located at (x;y) : 580;299

why not put them at (x;y) : 600;300 ?

is it a bug or a normal behavior ?

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