geo.totalDistance() function
geo.totalDistance() is experimental and subject to change at any time.
geo.totalDistance() calculates the total distance covered by subsequent points
in each input table.
Each row must contain lat (latitude) and lon (longitude) columns that
represent the geographic coordinates of the point.
Row sort order determines the order in which distance between points is calculated.
Use the geo.units option to specify the unit of distance to return (default is km).
Function type signature
(<-tables: stream[{B with lon: float, lat: float}], ?outputColumn: A) => stream[C] where C: Record
For more information, see Function type signatures.
Parameters
outputColumn
Total distance output column. Default is _value.
tables
Input data. Default is piped-forward data (<-).
Examples
Return the total distance travelled per input table
import "experimental/geo"
data
|> geo.totalDistance()
Return the total distance travelled in miles
import "experimental/geo"
option geo.units = {distance: "mile"}
data
|> geo.totalDistance()
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