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Re: Another Schema Question

• To: xml-dev@l...
• Subject: Re: Another Schema Question
• From: Alex Milowski <alex@m...>
• Date: Wed, 28 Jul 2004 13:20:17 -0700
• In-reply-to: <Pine.OSX.4.58.0407281555320.1830@b...>
• References: <Pine.OSX.4.58.0407281341150.1710@b...> <9546D24C-E0C5-11D8-AA77-000393B2B0F4@m...> <Pine.OSX.4.58.0407281555320.1830@b...>

On Jul 28, 2004, at 1:03 PM, Dan White wrote:

>
> I need to be able to validate this:
>
> <Latitude>
>    <deg>90</deg>
>    <min>0</min>
>    <sec>00.000</min>
>    <dir>N</dir>
> </Latitude>
>
> The value of "degrees" can be 90 only if "minutes" and "seconds" are 
> both
> zero.  A degee value of 90 with non-zero minutes or seconds is invalid.
>
> That's the main problem.  I have to allow for someone referencing the
> North/South Pole or , in the case of Longitude, the International 
> DateLine
> (180 degrees longitude)
>
> Both present the same problem.

Ah... you need cross-field validation.  XML Schema doesn't support that 
currently.

You can do this with schematron--which is completely complimentary to 
XML Schema.  That
is, it is another validation layer for your document.

Alex Milowski                FAX: (707) 598-7649                        
  alex@m...

"The excellence of grammar as a guide is proportional to the paucity of 
the
inflexions, i.e. to the degree of analysis effected by the language
considered."

Bertrand Russell in a footnote of Principles of Mathematics

• References:
  • Another Schema Question
    • From: Dan White <ygor@c...>
  • Re: Another Schema Question
    • From: Alex Milowski <alex@m...>
  • Re: Another Schema Question
    • From: Dan White <ygor@c...>

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