diff options
Diffstat (limited to 'GLOSSARY.org')
| -rw-r--r-- | GLOSSARY.org | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/GLOSSARY.org b/GLOSSARY.org index 3334c29..38cda75 100644 --- a/GLOSSARY.org +++ b/GLOSSARY.org @@ -2,8 +2,8 @@ This is meant to give a rough overview of (train-related) terms used in this code; both for others as a reference and for me so I can remember to use them -in a (somewhat) consistent way, since they are somewhat arbitrary (though I've -tried to stick close to the terminology used in GTFS). +in a (somewhat) consistent way, since they are somewhat arbitrary. I've tried +to remain at least broadly close to the terminology used by GTFS. * Terms ** (Calendar-)Date / Day @@ -11,8 +11,11 @@ A single, unique day (e.g. 1970-01-01). Usually used to indicate if a /trip/ is running on that day or not. ** Time (of Day) -Time on a given day, given in minutes since midnight. Trips going across -midnight simply count minutes up from the previous day. +Time on a given day, given in seconds (though often displayed as minutes) +since midnight. If a trip crosses midnight it is treated as if it took place +entirely on the previous day, and times simply count up beyond the total +number of seconds in a day (note that that's a timezone-series dependent +number). ** Trip (don't confuse with Train) Used as in GTFS: a trip is a defined sequence of /stops/, referred to by a @@ -22,7 +25,7 @@ Always has an associated /shape/. (might match your intuition for "train line") ** Stop -A /station/ with associated arrival/departure /time/ +A /station/ with associated arrival/departure /time/. ** Station A train station. Tracktrain refers to each by an ID, and hopefully knows |