W3C home > Mailing lists > Public > www-svg@w3.org > August 2004

marker clarifications

From: Tim Rowley <tor@cs.brown.edu>
Date: Tue, 17 Aug 2004 13:56:54 -0400
To: www-svg@w3.org
Message-ID: <20040817175654.GA10131@cs.brown.edu>

The SVG specification seems vague on a couple points regarding markers:

  * If both "marker" and "marker-*" attributes are set, which has
    precedence?

  * Are markers supposed to contribute to the hit testing of the
    referencing geometry?

Looking Adobe's SVG viewer 6.0 prerelease, I'm seeing some differences
in interpretation of the specification from how I would read it:

  * Do subsequent movetos generate a marker?  For example, should
    "M 100 100 L 150 100 M 200 100 M 250 100 L 300 100" generate four
    or five markers?  I'd say four, Adobe says five.

  * How many markers is the elliptical arc path segment supposed to
    generate?  For example, should "M 30 90 A 75 50 30 0 1 180 90"
    generate two or three markers?  I'd say two, Adobe says three.

-tor
Received on Tuesday, 17 August 2004 18:04:34 UTC

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