this function converts combines twilights detected in BAStag to twGeos with raw data and writes them down in TAGS format that can be easily read by get.tags.data
GeoLight2TAGS(raw, gl_twl, threshold, filename = NULL)
original data - dataframe with two columns first column must contain time and second measured light levels
twilights object from GeoLight
threshold value used for twilight definition in GeoLight
if NULL data.frame in TAGS format will be returned otherwise .csv file in TAGS format will be written
NULL
if filename
is provided or TAGS formatted dataframe.
TAGS format returned or written as .csv by this function is a dataframe with columns
datetime
date and time in ISO 8601 format e.g. 2013-06-16T00:00:11.000Z
light
light value measured by tag
twilight
assigned by the software numeric indication of whether the record belongs to sunrise (1), sunset (2) or none of those (0)
excluded
indication of whether a twilight was excluded during manual inspection (logical, TRUE | FALSE
)
interp
indication of whether the light value at twilight was interpolated (logical, TRUE | FALSE
)
The fields excluded
and interp
may have values of TRUE
only for twilight > 0
.