# SAGA Geoprocessing and Terrain Analysis

## Documentation for package ‘RSAGA’ version 1.4.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

RSAGA-package | RSAGA: SAGA Geoprocessing and Terrain Analysis in R
centervalue | Pick Center Value from Matrix
create.variable.name | Convert file name to variable name
default.file.extension | Determine or modify file name extensions
dem | Landslide inventory, study area mask and DEM
focal.function | Local and Focal Grid Functions
gapply | Local and Focal Grid Functions
get.file.extension | Determine or modify file name extensions
grid.predict | Helper function for applying predict methods to stacks of grids.
grid.to.xyz | Convert Grid Matrix to (x,y,z) data.frame
internal.pick.from.ascii.grid | Pick Variable from Spatial Dataset
landslides | Landslide inventory, study area mask and DEM
local.function | Local and Focal Grid Functions
match.arg.ext | Extended Argument Matching
multi.focal.function | Local and Focal Grid Function with Multiple Grids as Inputs
multi.local.function | Local and Focal Grid Function with Multiple Grids as Inputs
pick.from.ascii.grid | Pick Variable from Spatial Dataset
pick.from.ascii.grids | Pick Variable from Spatial Dataset
pick.from.points | Pick Variable from Spatial Dataset
pick.from.saga.grid | Pick Variable from Spatial Dataset
pick.from.shapefile | Pick Variable from Spatial Dataset
read.ascii.grid | Read/write ASCII, SAGA and Rd Grid Files
read.ascii.grid.header | Read/write ASCII, SAGA and Rd Grid Files
read.Rd.grid | Read/write ASCII, SAGA and Rd Grid Files
read.sgrd | Read/write ASCII, SAGA and Rd Grid Files
relative.position | Relative Topographic Position
relative.rank | Relative Topographic Position
resid.median | Residual Median and Quantile Filters for Grids
resid.minmedmax | Residual Median and Quantile Filters for Grids
resid.quantile | Residual Median and Quantile Filters for Grids
resid.quartiles | Residual Median and Quantile Filters for Grids
rsaga.add.grid.values.to.points | Add Grid Values to Point Shapefile
rsaga.aspect | Local Morphometry
rsaga.close.gaps | SAGA Modules Close Gaps and Close One Cell Gaps
rsaga.close.one.cell.gaps | SAGA Modules Close Gaps and Close One Cell Gaps
rsaga.contour | Contour Lines from a Grid
rsaga.copy.sgrd | Create a copy of a SAGA grid file
rsaga.curvature | Local Morphometry
rsaga.env | Function to set up RSAGA geoprocessing environment: Set up the RSAGA Geoprocessing Environment
rsaga.esri.to.sgrd | Convert ESRI ASCII/binary grids to SAGA grids
rsaga.esri.wrapper | Use RSAGA functions for ESRI grids
rsaga.fill.sinks | Fill Sinks
rsaga.filter.gauss | Gauss Filter
rsaga.filter.simple | Simple Filters
rsaga.geoprocessor | Generic R interface for SAGA modules
rsaga.get.lib.modules | Find SAGA libraries and modules
rsaga.get.libraries | Find SAGA libraries and modules
rsaga.get.modules | Find SAGA libraries and modules
rsaga.get.modules.path | Internal functions that determine OS-specific path in which modules might be located.
rsaga.get.usage | Usage of SAGA command line modules
rsaga.get.version | Determine SAGA GIS version
rsaga.grid.calculus | SAGA Module Grid Calculus
rsaga.grid.to.points | Convert SAGA grid file to point shapefile
rsaga.grid.to.points.randomly | Convert SAGA grid file to point shapefile
rsaga.hillshade | Analytical hillshading Analytical hillshading calculation.
rsaga.html.help | HTML help on a SAGA module or library
rsaga.import.gdal | Import Grid Files to SAGA grid format using GDAL
rsaga.insolation | Incoming Solar Radiation (Insolation)
rsaga.intersect.polygons | Spatial intersection of two polygon layers
rsaga.inverse.distance | Spatial Interpolation Methods
rsaga.lib.prefix | Determine prefix for SAGA GIS library names
rsaga.linear.combination | SAGA Module Grid Calculus
rsaga.local.morphometry | Local Morphometry
rsaga.modified.quadratic.shephard | Spatial Interpolation Methods
rsaga.module.exists | Find SAGA libraries and modules
rsaga.nearest.neighbour | Spatial Interpolation Methods
rsaga.parallel.processing | Parallel Processing
rsaga.pisr | Potential incoming solar radiation
rsaga.pisr2 | Potential incoming solar radiation SAGA 2.2.2+
rsaga.plan.curvature | Local Morphometry
rsaga.profile.curvature | Local Morphometry
rsaga.search.modules | Find SAGA libraries and modules
rsaga.set.env | Internal function that sets the RSAGA Geoprocessing Evironment manually
rsaga.sgrd.to.esri | Convert SAGA grids to ESRI ASCII/binary grids
rsaga.sink.removal | Sink Removal Remove sinks from a digital elevation model by deepening drainage routes or filling sinks.
rsaga.sink.route | Sink Drainage Route Detection
rsaga.slope | Local Morphometry
rsaga.slope.asp.curv | Slope, Aspect, Curvature
rsaga.solar.radiation | Potential incoming solar radiation
rsaga.target | Define target grid for interpolation
rsaga.topdown.processing | Top-Down Processing
rsaga.triangulation | Spatial Interpolation Methods
rsaga.union.polygons | Spatial union of two polygon layers
rsaga.wetness.index | SAGA Modules SAGA Wetness Index
set.file.extension | Determine or modify file name extensions
study_area | Landslide inventory, study area mask and DEM
wind.shelter | Wind Shelter Index
wind.shelter.prep | Wind Shelter Index
write.ascii.grid | Read/write ASCII, SAGA and Rd Grid Files
write.ascii.grid.header | Read/write ASCII, SAGA and Rd Grid Files
write.Rd.grid | Read/write ASCII, SAGA and Rd Grid Files
write.sgrd | Read/write ASCII, SAGA and Rd Grid Files