It roughly judges whether the given coordinates are within the mesh area.
eval_jp_boundary(longitude = NULL, latitude = NULL, ...)
longitude that approximately to .120.0 to 154.0 (double
)
latitude that approximately to 20.0 to 46.0 (double
)
other parameters
eval_jp_boundary(139.71471056, 35.70128943)
#> [1] TRUE