Hello Philippe, Thanks a lot. Your post answers all my questions ! Best, Jean Delahousse...
1268
Philippe Mougin
pmougin2001
Dec 30, 2011 8:33 am
Hi, The specification states "If multiple icon elements are present within a single contentMeta or partMeta property they MUST represent the same visual...
1269
Michael Steidl (IPTC)
mdiptc
Dec 30, 2011 8:42 am
Hi Philippe Thanks for pointing this out - the specs are right, the guidelines need to be corrected. Michael ... seconds...
1270
Michael Steidl (IPTC)
mdiptc
Dec 30, 2011 8:52 am
Hello Jean, Philippe and all: to blow a secret from the G2 developer group: the next version of the G2-Standards (to be release in about April 2012) will have...
1271
Kelvin Holland
kelvin_holland
Dec 30, 2011 11:10 am
HI Philippe, The itemClass property allows the provider to identify the intended use of the content, rather than a description of the format. Traditionally, ...
1272
Philippe Mougin
pmougin2001
Dec 30, 2011 1:38 pm
Thanks Kelvin, that helps a lot. This way of classifying picture and graphic documents suits us well I thinks. I now understand that this is defined by the...
1273
Kelvin Holland
kelvin_holland
Dec 30, 2011 3:06 pm
Hi Philippe, I think the default dimension units were chosen for convenience: graphics tools such as Illustrator/Freehand default to the typographic measure of...
1274
Philippe Mougin
pmougin2001
Dec 30, 2011 3:34 pm
Hello Michael, That is going to be very useful for us. We design our systems to be relatively open and future proof, and from our G2 items we need to reference...
1275
misha.wolf@...
wolf_misha
Dec 30, 2011 3:40 pm
Hi Philippe, You write: "the subset of URIs representable by QCodes"? Which URIs are not representable by QCodes? Misha ... From: newsml-g2@yahoogroups.com...
1276
Philippe Mougin
pmougin2001
Dec 30, 2011 4:12 pm
Hi Misha, My understanding is that some URIs with reserved characters aren't representable by QCodes (e.g. http://example.com/people?id=12345&group=223). This...
1277
misha.wolf@...
wolf_misha
Dec 30, 2011 4:43 pm
Hi Philippe, The intention is that all URIs can be represented using QCodes. If any of our wording prevents this then such wording needs to be corrected. I am...
1278
Philippe Mougin
pmougin2001
Dec 30, 2011 5:37 pm
... Ah interesting. Indeed, I think the current specification prevents some URI to be represented by QCode. Take for instance the example I gave (i.e.,...
1279
misha.wolf@...
wolf_misha
Dec 30, 2011 5:44 pm
The Wikipedia says [1]: URIs that differ only by whether an unreserved character is percent-encoded or appears literally are equivalent by definition, but URI...
1280
Philippe Mougin
pmougin2001
Dec 30, 2011 5:58 pm
That's a good interoperability advice that should be followed. It applies to unreserved characters, though. The problems I mention to is related to reserved...
1281
misha.wolf@...
wolf_misha
Dec 30, 2011 7:18 pm
True. I'm looking at section 10.2 of the specification. Where is the problematical wording? Thanks, Misha ... From: newsml-g2@yahoogroups.com...
1282
Philippe Mougin
pmougin2001
Dec 30, 2011 8:05 pm
In my view, it's in step 2 of 10.2.1.2.2.1. When some system receive a G2 document and resolve a QCode from this document using this processing model (which I...
1283
laurent_le_meur
Jan 2, 2012 11:00 am
Hi Kelvin, If I remember well, our original approach was mainly to differentiate vector graphics ("real" graphics) from bitmap images (news pictures). Vector...
1284
dave.compton@...
davecompton987
Jan 3, 2012 10:29 am
... partMeta property they MUST represent the same visual content, only differentiated by rendition, contentType or format". ... Afaics the above statements...
1285
Michael Steidl (IPTC)
mdiptc
Jan 3, 2012 11:36 am
Hi Philippe, Kelvin, Laurent, .... a few comments from my side on discussed topics. * about default units for the dimension: using the term "default" means...
1286
Kostas Konstantoulis
k_konstantoulis
Jan 3, 2012 12:00 pm
The picture vs graphic distinction should be only conceptual and based only on provider practices and conventions, since there could not be a technical one...
1287
Michael Steidl (IPTC)
mdiptc
Jan 3, 2012 6:57 pm
Hi Philippe, that encoding is a tricky one and already caused long discussions - I hope to recollect some particles of that discussion correctly: * RFC3986...
1288
Michael Steidl (IPTC)
mdiptc
Jan 3, 2012 8:42 pm
Comment on my own comment: I just logged the http traffic from my browser to the web server by Wireshark and for http://example.com/people?id=12345&group=223...
1289
misha.wolf@...
wolf_misha
Jan 3, 2012 8:47 pm
See also: http://en.wikipedia.org/wiki/Percent-encoding Misha ... From: newsml-g2@yahoogroups.com [mailto:newsml-g2@yahoogroups.com] On Behalf Of Michael...
1290
misha.wolf@...
wolf_misha
Jan 3, 2012 9:36 pm
The Wikipedia article appears to be saying that one should percent-encode a character only if: it has a "reserved purpose" in that context (irrespective of...
1291
Philippe Mougin
pmougin2001
Jan 4, 2012 8:38 am
... Exactly! In the query component, & and %26 do not mean the same thing at all. An application that mint an URI will use either & or %26 depending on the...
1292
Philippe Mougin
pmougin2001
Jan 4, 2012 10:56 am
... Hi Michael, Indeed, encoding can be tricky. In the past I had to dig deep into URI syntax/encoding issues and into the HTTP protocol (this nearly drove me...
1293
Philippe Mougin
pmougin2001
Jan 4, 2012 11:11 am
... Yep. But note that they MUST be percent encoded ONLY WHEN they are meant to NOT be used for their "reserved purpose". For example, when producing an URI,...
1294
Philippe Mougin
pmougin2001
Jan 4, 2012 11:21 am
... Yes, it can. This is what, for example, an HTML form with two input fields ("id" and "group") will produce when submitted. This is the URL used at the...
1295
Michael Steidl (IPTC)
mdiptc
Jan 4, 2012 11:54 am
I'm trying to follow up Philippe's considerations below and in earlier postings - assuming that & is a reserved character (see my footnote on that at the...
1296
Kostas Konstantoulis
k_konstantoulis
Jan 4, 2012 1:34 pm
Michael, I think Philippe says that different persons may belong to different groups so you cannot hardwire the group id in the scheme URI. So, the scheme URI...