RE: Nested Surveys

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From: Richard Knapp (gyp_caver_at_yahoo.com)
Date: Wed Sep 05 2001 - 02:44:51 CEST 

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From: "Richard Knapp" <gyp_caver_at_yahoo.com>
To: "cavexml_at_cartography.ch" <cavexml_at_cartography.ch>
Date: Tue, 04 Sep 2001 20:44:51 -0400 (EDT)
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Subject: RE: Nested Surveys
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>This goes directly to the heart of the point I was arguing several months
>ago. The ability to nest surveys is absolutely necessary as you illustrate...

Yep. I've still got you message on this topic (dated 2-7-2001).

>Richard's example of <SurveyGroup> illustrates how clumsy it can become to....

Thanks... I think. <g>

>As an option to grouping surveys you might consider a structure that uses
>Xpointer to give access to surveys in a predertermined order. For instance,...

That is another option: to keep each survey separate and put grouping into a display or tree section. The link could be
make either with XLink or an (ick!) ID.

<Survey name="A" ID="1">
</Survey>
<Survey name="A continuation" ID="2">
</Survey>
<Survey name="A still continued" ID="3">
</Survey>
<Survey name="B" ID="4">
</Survey>

<Tree name="Partially nested structure">
        <Branch XLink to "1">
                <Branch XLink to "2"/>
                <Branch XLink to "3"/>
        </Branch>
        <Branch XLink to "4"/>
</Tree>

A disadvantage is the added complexity in representing data. However, it does allow multiple views of the data without
replication.

<Tree name="Fully nested structure">
        <Branch XLink to "1">
                <Branch XLink to "2">
                        <Branch XLink to "3"/>
                </Branch>
        </Branch>
        <Branch XLink to "4"/>
</Tree>

or

<Tree name="Plain structure">
        <Branch XLink to "1"/>
        <Branch XLink to "2"/>
        <Branch XLink to "3"/>
        <Branch XLink to "4"/>
</Tree>

This might be a feature that would be nice to have in the future - or to still allow in addition to the data enter's default view.

        - Richard Knapp

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