https://issues.apache.org/ooo/show_bug.cgi?id=124068

--- Comment #7 from Rainer Bielefeld 
<[email protected]> ---
Created attachment 82920
  --> https://issues.apache.org/ooo/attachment.cgi?id=82920&action=edit
Demo

I am not 100% sure whether there is a universal definition. I checked
"Bronstein Handbook of Mathematics" and "Bartsch Handbook of Mathematics".

Both tell:
(a) There are lots of different definitions of coordinate systems like 
    Cartesian coordinate system, polar coordinates, cylinder coordinates, 
    orthogonal or oblique-angled, ...
(b) Cartesian coordinate system are known 
    right-hand system (reporter's base for report, most common)
    left-hand system, Easting and northing and others
(b1) So the Column Chart is a right-handed , Bar Chart is a left-handed
      coordinate system
(c) Most common use of such coordinate systems for charts is something like
    y=f(x), where x is some kind of control variable or count variable, and
    y is a value calculated from x by a function
(d) These considerations (elaborated version of Comment 6) show that
    AOO works correct here, also in Bar Chart the x-axis shows the 
    control variable and the y-axis the calculated values

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