calc_spherical_distance: Calculate spherical distance

In GastonMauroDiaz/rcaiman: CAnopy IMage ANalysis

Calculate spherical distance

Description

Calculate angles in radians between objects in the sky, which are proportional to distances on a conceptual sky vault.

Usage

calc_spherical_distance(z1, a1, z2, a2)

Arguments

z1	Numeric vector. Zenithal angle in radians.
a1	Numeric vector. Azimuthal angle in radians.
z2	Numeric vector of length one. Zenithal angle in radians.
a2	Numeric vector of length one. Azimuthal angle in radians.

Value

Numeric vector.

See Also

Other Tool Functions: calc_oor_index(), colorfulness(), correct_vignetting(), defuzzify(), display_caim(), extract_dn(), extract_feature(), extract_rel_radiance(), extract_sky_points(), extract_sun_coord(), find_sky_pixels(), masking(), optim_dist_to_black(), optim_normalize(), percentage_of_clipped_highlights(), read_bin(), read_caim(), read_caim_raw(), read_ootb_sky_model(), sor_filter(), vicinity_filter(), write_bin(), write_caim(), write_ootb_sky_model()

Examples

set.seed(1)
z1 <- rnorm(10, 45, 20) * pi/180
a1 <- rnorm(10, 180, 90) * pi/180
calc_spherical_distance(z1, a1, 0, 0)

GastonMauroDiaz/rcaiman documentation built on April 14, 2025, 9:39 a.m.