SVG size compatibility in Illustrator

[ashf]

Not sure if this is Affinity's problem or Illustrator's.
But object size in SVG Affinity exported will be little different in Illustrator.
(I even set the doc dpi to 72 in order to make the SVG more compatible with Illustrator.)

Also outcome will be different when the viewbox option is off.
The size of 200 mm box in Illustrator:

Viewbox on
199.756 mm - not acceptable.

Viewbox off - acceptable
199.999 mm

 

doc-for-svg.afdesign

[Old Bruce]

I changed the thing to Pixels as Units of Measurement then put the square on a pair of Integer x, y coordinates and round up to integers for the width and height.

doc-for-svg set to integer pixel.afdesign

[ashf]

I know it works with pixel unit properly, but there are people using SVG for printing(such as for cutting plotter) which pixel unit is not convenient with.
Also Illustrator always imports SVG at 72dpi so without the viewbox option on, SVG created other than at 72 dpi will be totally different size in Illustrator. thus the viewbox option on is preferred.

[ashf]

Object size in SVG exported by Inkscape matches in Illustrator.

Width/Height & viewbox in Inkscape SVG
width="210mm" height="297mm" viewBox="0 0 210 297"

Width/Height & viewbox in Affinity SVG
width="100%" height="100%" viewBox="0 0 596 842"