sl.trackingshot.waypoints: Concatenate waypoints

In FESOM/spheRlab: Spherical Geometry, Analysis, and Plotting of Geoscientific Data on Arbitrary Grids

Concatenate waypoints

Description

Concatenates waypoints to a list and extracts and combines their projection field to a toplevel projection field. The returned list's class is sl.waypoints.

Usage

sl.trackingshot.waypoints(projection, ...)

Arguments

projection	String containing the desired projection to do an equality check with given waypoints.
...	lists of class sl.waypoint to be concatenated.

Author(s)

Lukas Müller

Examples

## Not run: 
### read mesh
mesh = sl.grid.readFESOM(griddir="somedir",rot=TRUE,rot.invert=TRUE,rot.abg=c(50,15,-90))
# a sample mesh can be obtained from GitHub, e.g., using 'svn checkout' from the command line:
# > svn checkout https://github.com/FESOM/FESOM-data/trunk/pi-grid ~/pi-grid

### read corresponding data
require(ncdf4)
dat.file = nc_open(filename="somecorrespondingdata.nc")
dat = ncvar_get(nc=dat.file)
nc_close(nc=dat.file)

### define projection and way
projection = "polar"
p1 = sl.trackingshot.waypoint(projection = projection, time = 1, polar.lonlatrot = c(0,90,0), polar.latbound = 0)
p2 = sl.trackingshot.waypoint(projection = projection, time = 1, polar.lonlatrot = c(15,50,0), polar.latbound = 20)
p3 = sl.trackingshot.waypoint(projection = projection, time = 1, polar.lonlatrot = c(-60,-30,0), polar.latbound = 60)
p4 = sl.trackingshot.waypoint(projection = projection, time = 1, polar.lonlatrot = c(100,40,0), polar.latbound = 20)
p5 = p1
p5$time = 0
points = sl.trackingshot.waypoints(projection = projection, p1, p2, p3, p4, p5)
way = sl.trackingshot.way(waypoints = points, times = c(5,5,5,5))

### make video
sl.trackingshot(way = way, num = dat, lon = mesh$lon, lat=mesh$lat, elem=mesh$elem, fps = 30L, width = 1920, threads = 3, file.name = paste0("~/video_", projection, ".mp4"))

## End(Not run)

FESOM/spheRlab documentation built on April 6, 2024, 6:52 p.m.