SAGA algorithm provider¶

SAGA (System for Automated Geoscientific Analyses) is a free, hybrid, cross-platform GIS software. SAGA provides many geoscientific methods which are bundled in so-called module libraries.

Note

Please remember that Processing contains only the interface description, so you need to install SAGA by yourself and configure Processing properly.

Geostatistics
- Directional statistics for single grid
- Fast representativeness
- Geographically weighted multiple regression (points/grids)
- Geographically weighted multiple regression (points)
- Geographically weighted multiple regression
- Geographically weighted regression (points/grid)
- Geographically weighted regression
- Global moran’s i for grids
- Minimum distance analysis
- Multi-band variation
- Multiple regression analysis (grid/grids)
- Multiple regression analysis (points/grids)
- Polynomial regression
- Radius of variance (grid)
- Regression analysis
- Representativeness
- Residual analysis
- Spatial point pattern analysis
- Statistics for grids
- Variogram cloud
- Variogram surface
- Zonal grid statistics
Grid analysis
- Accumulated cost (anisotropic)
- Accumulated cost (isotropic)
- Aggregation index
- Analytical hierarchy process
- Cross-classification and tabulation
- Fragmentation (alternative)
- Fragmentation classes from density and connectivity
- Fragmentation (standard)
- Layer of extreme value
- Least cost paths
- Ordered Weighted Averaging
- Pattern analysis
- Soil texture classification
Grid calculus
- Function
- Fuzzify
- Fuzzy intersection (and)
- Fuzzy union (or)
- Geometric figures
- Gradient vector from cartesian to polar coordinates
- Gradient vector from polar to cartesian coordinates
- Grid difference
- Grid division
- Grid normalisation
- Grids product
- Grids sum
- Grid standardisation
- Grid volume
- Metric conversions
- Polynomial trend from grids
- Random field
- Random terrain generation
- Raster calculator
Grid filter
- Dtm filter (slope-based)
- Filter clumps
- Gaussian filter
- Laplacian filter
- Majority filter
- Morphological filter
- Multi direction lee filter
- Rank filter
- Simple filter
- User defined filter
Grid gridding
- Inverse distance weighted
- Kernel density estimation
- Modifed quadratic shepard
- Natural neighbour
- Nearest neighbour
- Shapes to grid
- Triangulation
Grid spline
- B-spline approximation
- Cubic spline approximation
- Multilevel b-spline interpolation (from grid)
- Multilevel b-spline interpolation
- Thin plate spline (global)
- Thin plate spline (local)
- Thin plate spline (tin)
Grid tools
- Aggregate
- Change grid values
- Close gaps
- Close gaps with spline
- Close one cell gaps
- Convert data storage type
- Crop to data
- Grid buffer
- Grid masking
- Grid orientation
- Grid proximity buffer
- Grid shrink/expand
- Invert data/no-data
- Merge raster layers
- Patching
- Proximity grid
- Reclassify grid values
- Resampling
- Sort grid
- Split RGB bands
- Threshold buffer
Grid visualization
- Histogram surface
- Rgb composite
Imagery classification
- Change detection
- Cluster analysis for grids
- Supervised classification
Imagery RGA
- Fast region growing algorithm
Imagery segmentation
- Grid skeletonization
- Seed generation
- Simple region growing
- Watershed segmentation
Imagery tools
- Vegetation index[distance based]
- Vegetation index[slope based]
Kriging
- Ordinary kriging (global)
- Ordinary kriging
- Universal kriging (global)
- Universal kriging
Shapes grid
- Add grid values to points
- Add grid values to shapes
- Clip grid with polygon
- Contour lines from grid
- Gradient vectors from directional components
- Gradient vectors from direction and length
- Gradient vectors from surface
- Grid statistics for polygons
- Grid values to points (randomly)
- Grid values to points
- Local minima and maxima
- Vectorising grid classes
Shapes lines
- Convert points to line(s)
- Convert polygons to lines
- Line dissolve
- Line-polygon intersection
- Line properties
- Line simplification
Shapes points
- Add coordinates to points
- Add polygon attributes to points
- Aggregate point observations
- Clip points with polygons
- Convert lines to points
- Convert multipoints to points
- Convex hull
- Distance matrix
- Fit n points to shape
- Points filter
- Points thinning
- Remove duplicate points
- Separate points by direction
Shapes polygons
- Convert lines to polygons
- Convert polygon/line vertices to points
- Polygon centroids
- Polygon dissolve
- Polygon-line intersection
- Polygon parts to separate polygons
- Polygon properties
- Polygon shape indices
- Polygons to edges and nodes
Shapes tools
- Create graticule
- Cut shapes layer
- Get shapes extents
- Merge shapes layers
- Polar to cartesian coordinates
- Quadtree structure to shapes
- Shapes buffer
- Split shapes layer randomly
- Transform shapes
Shapes transect
- Transect through polygon shapefile
Simulation fire
- Fire risk analysis
- Simulation
Simulation hydrology
- Overland flow - kinematic wave d8
- Water retention capacity
Table calculus
- Fill gaps in records
- Principle components analysis
- Running average
Table tools
- Change date format
- Change time format
Terrain channels
- Channel network and drainage basins
- Channel network
- Overland flow distance to channel network
- Strahler order
- Vertical distance to channel network
- Watershed basins
Terrain hydrology
- Burn stream network into dem
- Catchment area (flow tracing)
- Catchment area (recursive)
- Catchment Area
- Cell balance
- Edge contamination
- Fill Sinks
- Fill sinks (wang & liu)
- Fill sinks xxl (wang & liu)
- Flat detection
- Flow path length
- Flow width and specific catchment area
- Lake flood
- Ls factor
- Saga wetness index
- Sink drainage route detection
- Sink removal
- Slope length
- Stream power index
- Topographic wetness index (twi)
- Upslope Area
Terrain lighting
- Analytical hillshading
- Sky view factor
- Topographic correction
Terrain morphometry
- Convergence index
- Convergence index (search radius)
- Curvature classification
- Diurnal anisotropic heating
- Downslope distance gradient
- Effective air flow heights
- Hypsometry
- Land surface temperature
- Mass balance index
- Morphometric protection index
- Multiresolution index of valley bottom flatness (mrvbf)
- Real area calculation
- Relative heights and slope positions
- Slope, aspect, curvature
- Surface specific points
- Terrain ruggedness index (tri)
- Topographic position index (tpi)
- Tpi based landform classification
- Vector ruggedness measure (vrm)
- Wind effect
Terrain profiles
- Cross profiles
- Profile from points table
- Profiles from lines

Table Of Contents

SAGA algorithm provider¶