[DAS2] [DAS] [Fwd: Re: Writeback implementation]

[Andy Jenkinson]

Gustavo Salazar wrote:
> Now that all of you points about the URI field, i have notice that in 
> the Asia's implementation the attributes of the FEATURE tag have changed 
> in relation of the examples in the published protocol( 
> http://biodas.org/documents/das2/das2_writeback.html), and for example 
> there is not a uri attribute and is replaced by featureid, the example 
> for the tag FEATURE in her document is:
> 
> <FEATURE featureid="ADCK2" featuretype="exon" method="experiment">

I would have expected the <FEATURE> structure to be the same as the 
features command, could a DAS/2 person comment on the difference?

So long as the data relationships are the same I guess it doesn't matter 
(i.e. one type, which has an ID, a category and label; one method...). 
But does it?

One difference I have noticed between DAS and DAS/2 is that in the 
latter a method is an attribute of a type rather than a feature - this 
means you can't have two features, both of type SNP, identified by 
different methods... I believe it's implemented this way in the DAS 
types command too, and I'm planning to remove it from the spec.

> I have also notice that for properties in that implementation is used a 
> tag <PROPERTY> but Gregg used <PROP> in his example

This changed at some point - I believe PROP is correct.