oce (version 1.8-3)

rotateAboutZ: Rotate Velocity Components Within an oce Object

Description

Alter the horizontal components of velocities in adp, adv or cm objects, by applying a rotation about the vertical axis.

Usage

rotateAboutZ(x, angle)

Arguments

x

an adp, adv, or cm object.

angle

The rotation angle about the z axis, in degrees counterclockwise.

Author

Dan Kelley

See Also

Other things related to adp data: [[,adp-method, [[<-,adp-method, ad2cpCodeToName(), ad2cpHeaderValue(), adp, adp-class, adpAd2cpFileTrim(), adpConvertRawToNumeric(), adpEnsembleAverage(), adpFlagPastBoundary(), adpRdiFileTrim(), adp_rdi.000, applyMagneticDeclination,adp-method, as.adp(), beamName(), beamToXyz(), beamToXyzAdp(), beamToXyzAdpAD2CP(), beamToXyzAdv(), beamUnspreadAdp(), binmapAdp(), enuToOther(), enuToOtherAdp(), handleFlags,adp-method, is.ad2cp(), plot,adp-method, read.adp(), read.adp.ad2cp(), read.adp.nortek(), read.adp.rdi(), read.adp.sontek(), read.adp.sontek.serial(), read.aquadopp(), read.aquadoppHR(), read.aquadoppProfiler(), setFlags,adp-method, subset,adp-method, subtractBottomVelocity(), summary,adp-method, toEnu(), toEnuAdp(), velocityStatistics(), xyzToEnu(), xyzToEnuAdp(), xyzToEnuAdpAD2CP()

Other things related to adv data: [[,adv-method, [[<-,adv-method, adv, adv-class, advSontekAdrFileTrim(), applyMagneticDeclination,adv-method, beamName(), beamToXyz(), enuToOther(), enuToOtherAdv(), plot,adv-method, read.adv(), read.adv.nortek(), read.adv.sontek.adr(), read.adv.sontek.serial(), read.adv.sontek.text(), subset,adv-method, summary,adv-method, toEnu(), toEnuAdv(), velocityStatistics(), xyzToEnu(), xyzToEnuAdv()

Other things related to cm data: [[,cm-method, [[<-,cm-method, applyMagneticDeclination,cm-method, as.cm(), cm, cm-class, plot,cm-method, read.cm(), subset,cm-method, summary,cm-method

Examples

library(oce)
par(mfcol = c(2, 3))
# adp (acoustic Doppler profiler)
data(adp)
plot(adp, which = "uv")
mtext("adp", side = 3, line = 0, adj = 1, cex = 0.7)
adpRotated <- rotateAboutZ(adp, 30)
plot(adpRotated, which = "uv")
mtext("adp rotated 30 deg", side = 3, line = 0, adj = 1, cex = 0.7)
# adv (acoustic Doppler velocimeter)
data(adv)
plot(adv, which = "uv")
mtext("adv", side = 3, line = 0, adj = 1, cex = 0.7)
advRotated <- rotateAboutZ(adv, 125)
plot(advRotated, which = "uv")
mtext("adv rotated 125 deg", side = 3, line = 0, adj = 1, cex = 0.7)
# cm (current meter)
data(cm)
plot(cm, which = "uv")
mtext("cm", side = 3, line = 0, adj = 1, cex = 0.7)
cmRotated <- rotateAboutZ(cm, 30)
plot(cmRotated, which = "uv")
mtext("cm rotated 30 deg", side = 3, line = 0, adj = 1, cex = 0.7)