grass_find_layer: Find layers within GRASS GIS with multiple patterns

In NINAnor/oneimpact: Tools for the assessment of the cumulative impacts of anthropogenic features in ecological studies

Find layers within GRASS GIS with multiple patterns

Description

Find layers within GRASS GIS with multiple patterns

Usage

grass_find_layer(
  list_patterns,
  layers_grass = NULL,
  type = "raster",
  pattern = "*",
  mapset = "PERMANENT"
)

Arguments

list_patterns	⁠[list,character]⁠ List of strings, each corresponding to a pattern to be searched in the names of layers within a GRASS GIS mapset. The patterns are filtered one after the other, in the order they are listed.
layers_grass	⁠[vector,character]⁠ Vector of strings with the names of maps being assessed, within a GRASS GIS mapset, such as the ones created through the g.list module. If NULL (default), the list of maps within the GRASS GIS mapset is assessed within the function.
type	⁠[character(1)="raster"]⁠ Type of layer to be listed within the GRASS GIS mapset (e.g. "raster", "vector"), if layers_grass is NULL.
pattern	⁠[character]⁠ Regular expression used to list maps within the GRASS GIS mapset, if layers_grass is NULL. Default is "*", so all maps of a given type are listed.
mapset	⁠[character(1)="PERMANENT"]⁠ Name of the mapset from which maps are listed, if layers_grass is NULL. Default is "PERMANENT".

Value

One or more strings with the names of the maps within the GRASS GIS mapset.

NINAnor/oneimpact documentation built on June 14, 2025, 12:27 a.m.