speed information from a track or track stack

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Description

This function returns a summary of speed related measurements of a Move or MoveStack object.

Usage

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  ## S4 method for signature '.MoveTrackSingle'
speed(x)
  ## S4 method for signature '.MoveTrackStack'
speed(x)
  ## S4 method for signature '.MoveTrackSingle'
speedSummary(x)
  ## S4 method for signature '.MoveTrackStack'
speedSummary(x)

Arguments

x

Move or MoveStack object

Value

The function returns the speed in m/s if the track is longlat else map units per second. In most cases the map units will also be meters.

Author(s)

Marco Smolla

Examples

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data(leroy)
data(fishers)
  
speed(leroy) #speeds from a Move object 
speed(fishers) #speeds from a MoveStack object
#speedSummary(leroy) # summary of speed measures of a Move object
#speedSummary(fishers) # summary of speed measures of a MoveStack object

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