readWindNinjaWindFields: Reads WindNinja results

Description

Reads the wind fields generated by 'WindNinja' (http://www.firelab.org/project/windninja) for combinations of domain-level wind speed and wind direction classes.

Usage

readWindNinjaWindFields(
  filebase,
  resolution = "100m",
  directionClasses = c(0, 45, 90, 135, 180, 225, 270, 315),
  speedClasses = c(5, 15, 25),
  proj4string = CRS(as.character(NA))
)

Value

A list with the following items:

directionClasses: The vector of wind direction classes.
speedClasses: The vector of wind speed classes.
indexTable: A numeric matrix indicating the raster index of each combination of domain-level wind directions and wind speed classes.
windSpeed: An object of class SpatialGridDataFrame containing wind speed rasters (in m/s) for each combination of domain-level wind direction and wind speed.
windDirection: An object of class SpatialGridDataFrame containing wind direction rasters (in degrees from North) for each combination of domain-level wind direction and wind speed.

Arguments

filebase: A string to indicate the template for accessing WindNinja files. Resolution, wind directions and wind speed class values are appended to this string to obtain the filename to read.
resolution: Resolution string.
directionClasses: A vector of wind speed directions (in degrees).
speedClasses: A vector of wind class values (in m/s).
proj4string: Object of class "CRS" with the projection string of wind field rasters.

Author

Miquel De Cáceres Ainsa, CREAF

References