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Subject: Re: [cgmo-webcgm] ISSUE: visibility & interactivity at picture level
Hi Lofton, I tend to agree with you... For visibility, I don't really see why someone would want to make the entire picture invisible. So this one doesn't concern me very much. For interactivity, if someone wanted to make the entire picture non-interactive, a script writer could do: var meta = objectId.getWebCGMMetafile(); var pic = meta.pic; var nodes = pic.firstChild; while( nodes ) { nodes.setAppStructureAttr("interactivity","off"); nodes = nodes.nextSibling; } I think (personally) that this is an acceptable workaround for the WebCGM 2.0 timeframe. -- Benoit mailto:benoit@itedo.com Monday, June 13, 2005, 12:39:17 PM, Lofton wrote: LH> From Dieter's comments: LH> http://lists.oasis-open.org/archives/cgmo-webcgm/200506/msg00021.html LH> ISSUE: visibility interactivity at picturelevel LH> 3.2.2.9 LH> how do we state that visibility can be set at picture level? LH> 3.2.2.10 LH> how do we state that interactivity can be set at picturelevel? LH> DISCUSSION. We have three things to consider: LH> WebCGM(metafile instances), DOM, XCF. LH> In WebCGM... Since these are APS Attributes, it can't be LH> done in a straight forward manner. You can achieve the effect (at LH> least for visibility, maybe for interactivity) by wrapping the LH> whole picture body in an APS. Or apply the attributes to the LH> layers in a layered picture. In DOM or XCF, not currently LH> possible. Various solutions that come to mind -- for WebCGMs LH> and/or DOM and/or XCF --either violate CGM:1999, or create LH> incompatibility between the three functional areas, or are hacks. LH> This is not going to be a simple problem to solve cleanly. LH> If it is not an *important* use case, it might be a good strategy LH> that we postpone the solution. LH> RECOMMENDATION: don't try to solve it in 2.0. LH> Regards, LH> -Lofton.
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