ele_correction: Obtain elevation values from external source for stream...

In raimun2/GPStream: Processing of GPS Streams Generated by Sports Watches or Equivalent GPS Devices

Obtain elevation values from external source for stream dataframe

Description

Uses SRTM data for obtaining elevation for each reading. Also supports external DEM in raster format. If number of readings exceeds 200 points downloads a raster, else downloads each point at a time. If local raster available, extract elevations directly

Usage

ele_correction(data, z = 13, raster = NULL, replace = TRUE)

Arguments

data	dataframe or tibble containing a GPS stream
z	zoom of Digital Elevation Model, between 6 and 14
raster	raster object with DEM values
replace	binary variable. Default value = TRUE. Defines whether to create a new column or replace the raw elevation

Value

GPS stream dataframe with new variable 'ele_DEM'

raimun2/GPStream documentation built on Feb. 20, 2024, 11:54 a.m.