[Ovmsdev] Default values and fields...
Stephen Casner
casner at acm.org
Wed May 23 14:33:28 HKT 2018
Greg,
I think your complaints are unfounded. Right under the field in the
Vehicle config page where you enter the timezone are two web links,
the first giving a list of strings for various locations and the
second pointing to the specification for the string. This tells the
user what input is expected.
Now, I concede this is not perfect because in the first link the
US/Canada strings are not complete (e.g. just "PST8PDT" rather than
"PST8PDT,M3.2.0/2,M11.1.0") and I don't know what the code does in
that case. Perhaps we can find another link that gives the complete
strings for a more complete list of locations. And the second link is
fine for geeks but may not be for the average user.
Furthermore, I think your expectation that most people understand
their timezone in numerical format is not correct. Even those who
know that the difference between PST and GMT is 8 hours might be
uncertain whether they should enter 8 or -8. And many do not know
whether DST means that number should be 7 or 9. Just as a test, I
asked my wife; she did not know.
And for anyone using OVMS for scheduling, having it not handle the DST
shift automatically is a real liability. If we did accept a simple
numeric format, users in zones with DST would have to change the
config twice a year. That's a pain. I compare it to the cheap little
DVR box I use. It requires that I set or clear a DST checkbox at the
beginning and end of summer. More than once I have forgotten this and
missed my intended recording.
-- Steve
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