Re: [svgwg] SVG marker orientation at a 180° U-turn not well defined

Thanks for finding that link, Paul.  Also thanks for the better demo.  I guess my brain still thinks better in "up" vs "down" than "in the direction of the positive X-axis".  But the latter version is what's important for markers.

However, your "ideal" solution seems to assume that there is an obvious directionality to the path as a whole.  What about a talon-shape, where the curve backtracks.  At the exact point of tangent, there is no obvious directionality: incoming and outgoing paths cancel out.

[Another demo](https://codepen.io/AmeliaBR/pen/5d110b7d5902ae8cd3631f9d5f79cc00/)

> I am sure we are spending an unnecessary amount of time thinking about something no-one will ever notice, but...

I noticed this in a demo I was making, when I opened it up in a different browser &  things were completely different.  It's one of those things where I don't really care one way or the other, just so long as everyone is consistent!

About the only thing I'm going to argue for is that mirror-reflected path definitions should have mirror-reflected marker orientations.  (AKA, Firefox is wrong).

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Received on Monday, 17 July 2017 16:55:19 UTC