Hi,

The currently specified fallback for the 'arcs' line join is a 'miter'
join. It has be noted that this is not a very good fallback. I've
implemented three different alternative fallback strategies in trunk as
part of the 'Join Type' LPE in trunk. The SVG WG has agreed to change
the fallback to one of these depending on user input. Here is your
chance to help influence the SVG 2 specification!

For a quick introduction, see:

http://tavmjong.free.fr/SVG/LINEJOIN_STUDY/#arcs


To test:

1. Create a path with a number of corner nodes.
2. Open the LPE dialog (Path->Path Effects, CTRL-SHIFT-7)
3. Click on the '+' button, select 'Join Type', and click the 'Add'
button.
4. Increase the 'Line width' to some number (~20 to ~100)
5. Select the various "Extrapolated arc" 'Join' types.
6. Move the handles around and observe the line join shape.

Note: There are a number of bugs, for example, setting the Miter limit
doesn't always work. Also, if the radius of curvature of the path is
very small you might get strange artifacts. For this exercise, please
ignore these.

Thanks,

Tav



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