Read a timeframe off timeslices

Convenience wrappers over as_timeframe() for the timeframes asked for most often. Each returns an integer, and each needs the calendar the timeslices belong to – the label text is never parsed.

Usage

tsl2hour(tsl, calendar)

tsl2yday(tsl, calendar)

tsl2month(tsl, calendar, year = NULL)

hour2HOUR(x, calendar = NULL)

yday2YDAY(x, calendar = NULL)

Arguments

tsl

Character vector of timeslice labels.

calendar

A Calendar, or the name of one ("d365_h24").

year

The year the timeslices fall in; see as_timeframe().

x

Integer vector of timeframe values.

Value

Integer vector, NA where a label is not in the calendar.

Details

A timeframe is available when it is a function of the calendar's timeslices. tsl2hour() works on "d365_h24" because each timeslice is one hour, and fails on "m12" because a month spans 24 of them.

Examples

tsl2hour(c("d001_h00", "d100_h20"), "d365_h24")   # 0 20
#> [1]  0 20
tsl2yday(c("d001_h00", "d100_h20"), "d365_h24")   # 1 100
#> [1]   1 100
tsl2month(c("d001_h00", "d100_h20"), "d365_h24")  # 1 4
#> [1] 1 4
hour2HOUR(c(0, 20))                               # "h00" "h20"
#> [1] "h00" "h20"