generateCrossSections: Generate Stream Cross Sections

In adamkc/ProcessSpace: A package to process LiDAR for stream and meadow restoration visualizations

Generate Stream Cross Sections

Usage

generateCrossSections(
  streamChannel,
  getSatImage = TRUE,
  googleZoom = 14,
  cut1Dir = "W",
  cut2Dir = "E",
  xSectionLength = units::as_units(100, "m"),
  xSectionDensity = units::as_units(100, "m")
)

Arguments

streamChannel	The target stream reach. This should be a single contiguous streamline. No forking or gaps.
getSatImage	Logical (TRUE). This determines whether to download satellite imagery. It requires a Google Authentication Key. See ggmap::register_google() to set up satellite imagery.
googleZoom	Zoom level of satellite imagery. 15-17 typically work.
cut1Dir	Important! Set this to the cardinal direction ("W","N","E","S") of the upstream end of the target streamline.
cut2Dir	Depreciated. No longer used.
xSectionLength	Length of cross sections away from the channel. Consider using units::as_units(100,"m") format.
xSectionDensity	Gap space between cross sections.Consider using units::as_units(20,"m") format.

Value

transectObject. This object will be passed onto additional function in 'ProcessSpace'. Initially it is returned with just, streamline, boundary of transects, transect lines, a bounding box, the retreived google or Stamen map, and the points where the cross sections cross the streamline.

adamkc/ProcessSpace documentation built on Oct. 18, 2023, 12:10 p.m.