sunAz | R Documentation |
This function returns the azimuth of the sun at a given time and location,
useful for data reduction of theodolite measurements using the sun-sight
technique (reduct.theodolite
).
sunAz(loc, time, timezone, limb, alt = F)
loc |
Location, either a skyscapeR.object or a vector containing the latitude, longitude and elevation of location, in this order. |
time |
String containing the date and time in the following format: "YYYY-MM-DD HH:MM:SS" |
timezone |
Timezone of input either as a known acronym (e.g. "GMT", "CET") or a string with continent followed by country capital (e.g. "Europe/London"). |
limb |
(Optional) Measured limb of the sun. Options are left, right. If missing the center of the sun will be output. |
alt |
(Optional) Boolean that triggers output of altitude of the sun at exact time. Default is FALSE. |
reduct.theodolite
sunAz(c(52,-3,100), '2017-10-04 12:32:14', 'Europe/London')
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