Is this legal?

[Matt Jones]

Yep , i agree.  seems fine as an XML Schema construct.  I hadn't 
realized that we used schema constructs that were incompatible with DTDs 
and XML 1.0 validation.   Kind of a bummer, but I guess we live with it now.

Matt

Chad Berkley wrote:
> would this be a choice between 1..n controlPoints, 1..4 cornerPoints or 
> 1 bilinear fit?  So, it should validate if you do something like:
> 
> <georeferenceInfo>
>   <controlPoint/>
>   <controlPoint/>
>   <controlPoint/>
>   <controlPoint/>
>   <controlPoint/>
>   <controlPoint/>
> </georeferenceInfo>
> 
> or if you do
> 
> <georeferenceInfo>
>   <cornerPoint/>
>   <cornerPoint/>
> </georeferenceInfo>
> 
> or
> 
> <georeferenceInfo>
>   <bilinearFit/>
> </georeferenceInfo>
> 
> 
> but not if you do this:
> 
> <georeferenceInfo>
>   <cornerPoint/>
>   <cornerPoint/>
>   <cornerPoint/>
>   <cornerPoint/>
>   <cornerPoint/>
> </georeferenceInfo>
> 
> or
> 
> <georeferenceInfo>
>   <controlPoint/>
>   <controlPoint/>
>   <cornerPoint/>
>   <cornerPoint/>
>   <cornerPoint/>
> </georeferenceInfo>
> 
> or
> 
> <georeferenceInfo>
>   <bilinearFit/>
>   <bilinearFit/>
> </georeferenceInfo>
> 
> it's kind of weird, but now that I look at it, it seems ok...at least 
> from looking at the picture.  I don't know what the schema looks like.
> 
> chad
> 
> Dan Higgins wrote:
> 
>> Hi All,
>>
>>     In the spatialRaster module of eml2, we have the contruction shown 
>> below where georeferenceInfo is followed by a choice of one of 3 
>> elements (cornerPoint, controlPoint, or bilinearFit. But cornerPoint 
>> and controlPoint are defined with caridinalitiies greater than 1!  Is 
>> this legal? (or meanngful?)  Since the Choice element has a 
>> cardinality of 1, doesn't this mean that only ONE child is allowed? If 
>> so, one cannot have multiple cornerPoint or controlPoint elements 
>> (unless they are placed within a Sequence)?
>>
>>
>> geoReference
>>
>> Dan
>>
>> -- 
>> *******************************************************************
>> Dan Higgins                                  higgins at nceas.ucsb.edu
>> http://www.nceas.ucsb.edu/    Ph: 805-892-2531
>> National Center for Ecological Analysis and Synthesis (NCEAS) 735 
>> State Street - Room 205
>> Santa Barbara, CA 93195
>> *******************************************************************
>>
> 
> 

-- 
-------------------------------------------------------------------
Matt Jones                                     jones at nceas.ucsb.edu
http://www.nceas.ucsb.edu/    Fax: 425-920-2439    Ph: 907-789-0496
National Center for Ecological Analysis and Synthesis (NCEAS)
University of California Santa Barbara
Interested in ecological informatics? http://www.ecoinformatics.org
-------------------------------------------------------------------