- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Thu, 12 Aug 2010 13:58:35 -0700
- To: "Dr. Olaf Hoffmann" <Dr.O.Hoffmann@gmx.de>
- Cc: public-fx@w3.org, www-style@w3.org
2010/8/7 Dr. Olaf Hoffmann <Dr.O.Hoffmann@gmx.de>: >>Going forward, if SVG needs coordinate units in addition to CSS lengths >>for SVG 2.0, we could define an actual unit identifier for them. Maybe >>"cu" for "coordinate system units". Unit identifiers are an important >>extension point in CSS syntax; we should take advantage of that. > > This unit is already defined, it is called 'px'. This corresponds to one > unit in the local coordinate system and is implicated, if a length value > has no unit identifier. This is not at all compatible with CSS. 'px' has a very specific meaning, and it is not dependent on the local coordinate system. Modulo visual-warping effects like zoom: and some transform: values, 1px is 1/96 of 1in. The LCS-dependent lengths that SVG employs are a different unit than 'px'. ~TJ
Received on Thursday, 12 August 2010 20:59:30 UTC