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Re: SVG12: rendering accuracy

From: Chris Lilley <chris@w3.org>
Date: Mon, 9 Jan 2006 15:48:44 +0100
Message-ID: <99743548.20060109154844@w3.org>
To: Bjoern Hoehrmann <derhoermi@gmx.net>
Cc: www-svg@w3.org

On Thursday, December 29, 2005, 12:18:29 PM, Bjoern wrote:

BH> * Chris Lilley wrote:
>>Yes, it did get overlooked. The wording about accuracy on initial zoom
>>level from the message you cite did get added, but the change from
>>device pixel to px unit was overlooked. Thanks to you both for catching
>>this, it has now been changed in the spec to "px unit" as previously
>>promised.

BH> There are still a number of references to device pixels in the draft,
BH> e.g. in the transformBehavior section; did the Working Group review the
BH> entire draft and ensure that any occurence of the term is precisely what
BH> is desired and that the draft draws attention to the differences? There
BH> are various references to similar terms like "device units", "pseudo
BH> device pixels", etc. which is at best confusing.

Thanks, we will check further.

The reference to device units in 7.7.4 The Current Transform Matrix is
intentional and correct. At the end of the day, that is what is rendered
and those pixels (if they are pixels) are not CSS px units but  are
instead physical device pixels, or dot patterns for printers.


-- 
 Chris Lilley                    mailto:chris@w3.org
 Chair, W3C SVG Working Group
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG
Received on Monday, 9 January 2006 14:48:47 GMT

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