Package index • merra2ools

All functions

add_coord(): Add longitude and latitude of 'locid'

add_merra2_grid(): Adds MERRA2 grid (polygons) to the data

add_merra2_points(): Adds MERRA2 grid (points) to the data

angle_of_incidence() fAOI(): Angle of Incidence (AOI)

azimuth_N2Q(): Title

closest_locid(): Get MERRA-2 grid IDs closest to the given coordinates

cluster_locid(): Spatial clustering based on correlation or other metrics.

coord2tz_offset(): Title

deg2rad() rad2deg(): Convert degrees to radians

fDate(): Create date-time character string from year, month, hour, and timezone.

fetch_pvwatts(): Title

fHellmann() fH(): Hellmann function to extrapolate wind speed from 10 and 50 meters to higher altitudes

fWindCF(): Title

fWindPowerCurve() fWPC(): Wind power curve function. Estimates power output based on the speed of wind.

fWindSpeedExtrapolation() fWSE(): Hellmann-constant-based extrapolation of wind speed for higher altitudes

get_locid(): Get MERRA-2 grid IDs which overlaps with the given spatial object

get_merra2_grid(): Get MERRA-2 grid

get_merra2_subset(): Get MERRA-2 subset

ghi_decomposition(): Irradiance decomposition

gif_merra(): Quick GIF plots

hour_utc2tz(): Title

get_merra2_dir() set_merra2_options() check_merra2() merra2_info(): Get, Set, or Check content of the Directory with the MERRA2 database Subset

merra2_sample(): Get a example of MERRA2 data for a particular month(s)

plot_merra(): Quick plots of wind speed and its dynamics

poa_irradiance() fPOA(): Plane-Of-Array (POA) isotropic irradiance model

pv_array_position(): Photovoltaic Solar Panel Orientation and Performance Models

pv_array_types(): List tracking system types

read_merra_file(): Reads one file from MERRA-2 subset for a given year and month

solar_position(): Solar position

tilt.param.default(): Default tilt-parameters of tracking systems

yday2date(): Convert the day of the year to

yday2month(): Title