[tei-council] surfaces, surfaceGrps, etc. [was : minutes/release deadline]

Lou Burnard lou.burnard at retired.ox.ac.uk
Sat Nov 12 15:28:15 EST 2011

On 12/11/11 18:33, Sebastian Rahtz wrote:
> You cannot have a non-relative nested surface, I say. If its nested, its x,y
> must be relative to the outer surface. Everything must relate back to one
> master coordinate system, or the thing is unuseable, surely?

well, that is the default assumption. So when I encounter the four 
attributes (yes, Piotr, it always has to be all four) on a surface for 
the second time (going down the tree), I assume it's always relative.

But that means I can't ever change the coordinate system. Which, as I 
suggested above, might actually be useful.

> if the outermost surface says we are on a grid of 100x100,
> and the inner surface says we are on a grid of 20x20, and a
> zone inside says its at 10,10, what on earth does that _mean_?
> how do I draw the zone?

depends which surface the zone is inside, I think.

> I say, make some examples, and try to implement them...

implementing is not my job, but I am happy to try to produce more examples

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