[DAS] Re: "detailed view" das view problem

[Lincoln Stein]

I thought that clause was put in at your (Thomas's) request!!!!

Lincoln


Thomas Down writes:
 > On Mon, May 13, 2002 at 07:40:30PM +0100, Tony Cox wrote:
 > > 
 > > I'm not sure what the DAS spec says on this point...ah here it is:
 > > 
 > > "Annotation servers are only required to return annotations which are completely
 > > contained within the indicated segment. Servers may also return annotations
 > > which overlap the segment, but are not completely contained within
 > > them."
 > > 
 > > ...which I guess means you can do what you like to be OK with the spec and is
 > > therefore both a feature and a bug ;-)
 > > 
 > > You should however be able to get features that completely overlap the viewable
 > > region. Do you noe see these? I think we need to look at how the features are
 > > selected and see if we can catch these things.
 > 
 > Hmmm, this is news to me.  Hmmm <checks though old copies of the
 > spec>.  This clause seems to have been added between versions 0.9971
 > and 1.0 of the specification.  I read previous versions as implying
 > `overlaps' semantics. 
 > 
 > Is there any reason why the specifications allow `contains' semantics
 > as a valid alternative?  It seems to make client developers' life a lot
 > harder.  Are there any cases where it makes life substantially easier
 > for server developers?  How many current server implementations are
 > actually taking advantage of this flexibility?
 > 
 >    Thomas.
 > 
 > 
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-- 
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Lincoln D. Stein                           Cold Spring Harbor Laboratory
lstein@cshl.org			                  Cold Spring Harbor, NY
Positions available at my lab: see http://stein.cshl.org/#hire
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