Semantics of regionDelimX and regionDelimY

[mielvds]

Hi there,

If I understand correctly, you can use a ebucoreplus:MediaFragment and/or ebucoreplus:regionDelimX/ebucoreplus:regionDelimX when describing a region inside some media. However, I'm a bit confused by the semantics of X and Y:

• in https://www.w3.org/TR/media-frags/, XY described the topleft corner.
• in EBU Tech 3293 1.10, XY describes the bottomleft corner
• in ebucoreplus, X is the topleft corner and Y is the bottomright corner

Should this be aligned? If possible, I would prefer them to be the same as https://www.w3.org/TR/media-frags/#naming-space, which is the most stable.

[JuergenGrupp]

Thank you, @mielvds , for this issue description!
I would immediately agree, that the current definition in ebucoreplus needs improvement, because it relies on the existence of "frameWidth" and "frameHeight" to be correctly interpreted. I would also agree with you that it's best to stick with the same solution as in media-frags, where X and Y represent the topleft corner.
I will discuss this in the Editorial Committee and come back to you.