[Octave-bug-tracker] [bug #55907] png plot does nor respect dpi and produces unreadable results

[Okti]

Follow-up Comment #2, bug #55907 (project octave):

You get no error message in a Script.
As seen in the documentation, it is equivalent! But it isn't, so it is an
error.


https://octave.org/doc/v4.2.2/Printing-and-Saving-Plots.html
-rNUM

    Resolution of bitmaps in pixels per inch. For both metafiles and SVG the
default is the screen resolution; for other formats it is 150 dpi. To specify
screen resolution, use "-r0".

-Sxsize,ysize

    Plot size in pixels for EMF, GIF, JPEG, PBM, PNG, and SVG. For PS, EPS,
PDF, and other vector formats the plot size is in points. This option is
equivalent to changing the size of the plot box associated with the
"paperposition" property. When using the command form of the print function
you must quote the xsize,ysize option. For example, by writing "-S640,480".


Why should this not work on a png-file as documented?

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