Re: [thredds] Documentation tags for the catalog?

Hi Nathan,

Yup, I agree with John. If you want catalog level metadata, the catalog
needs to contain a single top-level dataset with the metadata. If a
catalog contains multiple top-level datasets, you don't have catalog
level metadata.

I never write catalogs without a single top-level dataset for just this
reason. If we were designing catalogs again, I'd push hard to only allow
catalogs to contain a single dataset (and get rid of the catalog name as


On 3/7/2012 11:03 AM, John Caron wrote:
> On 3/7/2012 9:43 AM, Nathan Potter wrote:
>> Greetings,
>> I have a user that wants to add<documentation>  tags to the top level
>> of a THREDDS catalog. Based on my reading of the THREDDS specification:
>> I believe that the catalog may not contain a documentation element at
>> the top level. The dataset element may contain a documentation
>> element, but there can be multiple datasets at the top level of a
>> catalog so there is no obvious (at least to me) way to universally
>> identify which dataset metadata would be used to describe the catalog
>> collection.
>> Is that correct?
>> Any thoughts?
>> Nathan
> hi nathan:
> I think thats right. You need to add a top level dataset container
> element if you want to have top level documentation element.
> john