RE: SVG Spec. Suggestions

Something else that has just occured to me, correct me if I am wrong.

There are no explicit layer declarations at all.  "Layers" are implied by order in which they are rendered.  In which case I can see potential issues with the way multiple <g> elements are animated.  The example below hardcodes elements between the <g></g> tags, thus there is no way to manipulate an individual member, for example to the change stacking order, and how would you unassociate elements defined by a <g>?

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20001102//EN" 
  "http://www.w3.org/TR/2000/CR-SVG-20001102/DTD/svg-20001102.dtd">
<svg width="5cm" height="5cm">
  <desc>Two groups, each of two rectangles
  </desc>
  <g id="group1" style="fill:red">
    <rect x="1cm" y="1cm" width="1cm" height="1cm" />
    <rect x="3cm" y="1cm" width="1cm" height="1cm" />
  </g>
  <g id="group2" style="fill:blue">
    <rect x="1cm" y="3cm" width="1cm" height="1cm" />
    <rect x="3cm" y="3cm" width="1cm" height="1cm" />
  </g>
</svg>

would it not be better to assign an id to an individual element, and then dynamically group and un-group those ids.  Perhaps these restrictions are as a result of an SVG element not being constructed in an implicit timeline?


Just MHO






Neil Stansbury
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Received on Monday, 12 February 2001 11:46:13 UTC