Hi,

a good practice is to use the (viewBox, height, width) attribute set
on svg element;
you can leave all your size values without unit (defaulting to px or
pt, I don't remember).

... And explicitly add your preferred unit on both svg/@width and svg/@height.

Another option is to use FO content-* properties on
fo:instream-foreign-object or fo:external-graphic,
 and leave svg/@width and svg/@height without unit.

<fo:block font-size="0pt">
  <fo:instream-foreign-object content-height="24pt" content-width="48pt">
    <svg xmlns="http://www.w3.org/2000/svg";
        viewBox="0 0 48 24" height="24pt" width="48pt">
      <g style="fill: none; stroke:black; stroke-width:0.25;">
        <line y2="12" x2="48" y1="12" x1="0"/>
        <line y2="24" x2="24" y1="0" x1="24"/>
        <circle r="6" cy="12" cx="24"/>
      </g>
    </svg>
  </fo:instream-foreign-object>
</fo:block>

2013/9/5 Martin Edge <martin.e...@intellimail.com.au>:
> Hi Guys,
>
>
>
> Any idea why when I’m using SVG to draw, it seems to have a whacky concept
> of units if I use anything _other_ than no units at all?
>
>
>
> I used a height of 55mm for instance and it seemed to take up several pages,
> and my x/y co-ordinates were not consistent between lines and rectangles
> either
>
>
>
> Thanks
>
> Martin
>
>
>
>



-- 
pascal

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