I was not able to compile for Mac OS. I'm sure it's no fault of anyone but
me, but this is why I have not been able to test.


On Thu, Feb 28, 2013 at 2:34 PM, vaifrax <[email protected]> wrote:

> I tried looking at the svg side and I'm a little confused.
>
> How about, as a first step, modifying inkscape so that rulers and mouse
> pointer coordinate status use the origin that is indirectly defined by the
> viewbox? What about the viewbox units? Second step would be a gui to
> actually configure the viewbox within inkscape in a user friendly way.
> Finally, using those coordinates directly for new objects instead of
> inserting another transformation (I think this is what Krzysztof wrote in
> the previous post).
> (viewbox reference: http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute)
> I played around with a hand coded svg, in case anyone else is interested I
> attached it.
>
> This alone does not allow setting up an inverted y axis (to enable having
> y axis pointing up like now) but it looks like there is a ‘svg:transform’
> attribute for that. Inverting the axis would also require things like
> flipping text, I think?
> (svg:transform reference:
> http://www.w3.org/TR/SVG/coords.html#SVGGlobalTransformAttribute )
>
> Maybe it helps if we can agree on how coordinate systems should be defined
> in the svg and how inkscape should display units and rulers?
> I feel like I haven't really understood all issues.
>
> ** Attachment added: "viewbox with origin in the center of the page"
>
> https://bugs.launchpad.net/inkscape/+bug/170049/+attachment/3551689/+files/viewbox-test.svg
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/170049
>
> Title:
>   Inverted ruler co-ordinate system
>
> Status in Inkscape: A Vector Drawing Tool:
>   In Progress
> Status in “inkscape” package in Ubuntu:
>   Triaged
>
> Bug description:
>   The y-axis of the rulers' co-ordinate system is
>   inverted (increasing upwards), and places the origin on
>   the bottom left of the viewport. The SVG spec places the
>   default origin on the top left of the viewport, and has
>   the co-ordinate system increasing to the right and
>   downwards.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/inkscape/+bug/170049/+subscriptions
>


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John LeMasney
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-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to inkscape in Ubuntu.
https://bugs.launchpad.net/bugs/170049

Title:
  Inverted ruler co-ordinate system

Status in Inkscape: A Vector Drawing Tool:
  In Progress
Status in “inkscape” package in Ubuntu:
  Triaged

Bug description:
  The y-axis of the rulers' co-ordinate system is
  inverted (increasing upwards), and places the origin on
  the bottom left of the viewport. The SVG spec places the
  default origin on the top left of the viewport, and has
  the co-ordinate system increasing to the right and
  downwards.

To manage notifications about this bug go to:
https://bugs.launchpad.net/inkscape/+bug/170049/+subscriptions

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