Le mardi 07 avril 2015 01:15:17, Mike Toews a écrit : > On 6 April 2015 at 09:39, Even Rouault <[email protected]> wrote: > > I should have mentionned what currently exists indeed : > > struct { > > > > GInt16 Year; > > GByte Month; > > GByte Day; > > GByte Hour; > > GByte Minute; > > GByte Second; > > GByte TZFlag; /* 0=unknown, 1=localtime(ambiguous), > > > > 100=GMT, 104=GMT+1, 80=GMT-5, etc */ > > > > } Date; > > In regards to TZFlag, it should also be used to optionally convey > daylight savings information, where known. E.g. see the 'is_dst' in > struct tm [1]. I'm not sure if a GMT value can adequately convey this, > but correct me if it can.
Mike, I think daylight savings information is captured in the timezone (e.g local time in France is GMT+2 now, and GMT+1 during winter). None of the formats that convey datetime have a flag to indicate if DST is on/off. Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
