Re: SVG scribble control?

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I forgot to mention, that it might be worth considering both the map
data and the pen gesture ink trace data as part of the XForms
instance, with the map data annotated as being output only.

On Tue, 3 Aug 2004, Dave Raggett wrote:

> Has there been any consideration of an input control that collects
> pen trace data (scribble) over an image or a graphic represented
> by SVG?  For instance, a control showing a rectangular portion of
> a map over which you can make a gesture with a stylus or
> electronic pen.
> 
> In essence this is a kind of upload control but one which is
> specialized to collecting pen gestures over an associated
> presentation, which forms an integral part of the content, and
> as such can't be treated as part of the styling.
> 
> Some possible designs:
> 
>  a) an XForms element with a link to the image/graphic
>     where the width/height is set via CSS
> 
>  b) an XForms element acting as a container for SVG
> 
> Such controls would be valuable for composite multimodal input,
> for example, where you say "zoom in here" while drawing a rough
> circle on the map. When submitted, the form would contain a
> representation of the command (zoom) together with the ink
> trace data represented in XML, see http://www.w3.org/TR/InkML/
> 
> It would then be up to a server-side script to interpret this
> data and to return the updated map.
> 
> A refinement would be a way to just update the map, avoiding
> the need to reload the entire page.

- -- 
 Dave Raggett <dsr@w3.org>  W3C lead for voice and multimodal.
 http://www.w3.org/People/Raggett +44 1225 866240 (or 867351)
 
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Received on Tuesday, 3 August 2004 09:49:29 UTC