W3C home > Mailing lists > Public > www-svg@w3.org > September 2000

Re: drawing/rendering order

From: Jon Ferraiolo <jferraio@Adobe.COM>
Date: Fri, 08 Sep 2000 10:19:06 -0700
Message-Id: <>
To: AndrewWatt2001@aol.com
Cc: www-svg@w3.org
The SVG working group discussed having SVG support the 'z-index' property 
from CSS and decided against it for SVG 1.0, partly to avoid adding that 
extra bit of implementation complexity. Personally, I still agonize over 
whether 'z-index' should have been put into SVG 1.0.

Definitely, the W3C should consider 'z-index' for future versions of SVG.

Jon Ferraiolo
SVG Editor
Adobe Systems Incorporated

At 04:02 AM 9/8/00 -0400, AndrewWatt2001@aol.com wrote:
>In a message dated 07/09/00 23:07:25 GMT Daylight Time,
>sdickson@savagesoftware.com writes:
> > Are there any plans to add alternative rendering order schemes?
> >  Currently, SVG documents are always rendered using the painter's algorithm
> >  only.  To change the order in which objects are rendered, it is necessary
> >  to rearrange the objects within the document itself, a potentially costly
> >  and time-consuming process.
> >  S.
> >
>I guess it partly depends on what you mean by "costly" and "time-consuming".
>But, in principle, XSLT would allow you to reorder elements/objects within
>SVG source without huge difficulty.
>How costly or time consuming the use of XSLT would be would depend partly on
>the complexity of the SVG source document, available XSLT skills and whether
>there was any pattern of reordering required (i.e. could you reuse XSLT
>template stylesheets).
>Is there some technical reason why XSLT wouldn't meet your present needs?
>Andrew Watt
Received on Friday, 8 September 2000 13:33:01 UTC

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