Operations

65 entries, grouped by group and ordered by name.

conversion/points (1)

Name	Also called	Summary	Review
Table to points	XY Table To Point, Create points layer from table, CSV to points, Display XY Data, points from xy	Makes a point layer from a table with coordinate columns, such as a CSV of longitudes and latitudes.	Draft: written, not yet checked by a person

conversion/raster-to-vector (1)

Name	Also called	Summary	Review
Raster To Polygons	Polygonize, Raster To Polygon, raster to vector, vectorize	Turns areas of connected cells with the same value into polygons, each carrying that value.	Draft: written, not yet checked by a person

conversion/vector-to-raster (2)

Name	Also called	Summary	Review
IDW Interpolation	inverse distance weighted, IDW, inverse distance to a power, surface from points	A raster surface interpolated from point values, each cell a distance-weighted average of nearby points.	Draft: written, not yet checked by a person
Rasterize	Feature To Raster, Polygon To Raster, Vector To Raster, burn	Burns vector features into a raster grid, with a fixed value or a value from an attribute.	Draft: written, not yet checked by a person

raster/combine (1)

Name	Also called	Summary	Review
Mosaic	Mosaic To New Raster, merge rasters, gdal_merge, stitch tiles, virtual mosaic	Combines several rasters into one covering all of them.	Draft: written, not yet checked by a person

raster/conversion (1)

Name	Also called	Summary	Review
Raster to Points	Raster To Point, pixels to points, cell centroids, raster to vector points	One point at the centre of every raster cell that has a value, carrying that value.	Draft: written, not yet checked by a person

raster/crs (1)

Name	Also called	Summary	Review
Reproject raster	Project Raster, Warp, Warp (reproject), gdalwarp	Resamples a raster from its coordinate reference system into another.	Draft: written, not yet checked by a person

raster/distance (1)

Name	Also called	Summary	Review
Euclidean Distance	proximity, distance raster, Euclidean Distance (Spatial Analyst), proximity raster, distance accumulation	A raster giving, for every cell, the straight-line distance to the nearest target cell.	Draft: written, not yet checked by a person

raster/extraction (2)

Name	Also called	Summary	Review
Clip raster	Clip Raster, Extract by Mask, Clip raster by mask layer, Clip raster by extent	Cuts a raster to a polygon mask or a bounding box.	Draft: written, not yet checked by a person
Extract Values to Points	sample raster values, raster sampling, point query, Extract Multi Values to Points, drill a raster	Adds to each point the value of the raster at its location.	Draft: written, not yet checked by a person

raster/hydrology (3)

Name	Also called	Summary	Review
Fill Sinks	Fill, fill depressions, pit filling, hydrologically conditioned DEM	Raises cells in closed depressions of an elevation raster so every cell can drain to the edge.	Draft: written, not yet checked by a person
Flow Accumulation	contributing area, upslope area, D8 flow accumulation, catchment area	For each cell, how many cells (or how much area) drain through it, following the steepest downhill direction.	Draft: written, not yet checked by a person
Flow Direction	D8 flow direction, D8 pointer, flow pointer, drainage direction	For each cell of an elevation raster, the neighbour that water flows to, following the steepest descent (D8).	Draft: written, not yet checked by a person

raster/inspection (1)

Name	Also called	Summary	Review
Describe raster	Get Raster Properties, Raster information, raster info, gdalinfo	Reports a raster's size, cell size, bands, data type, nodata value, CRS and extent.	Draft: written, not yet checked by a person

raster/neighborhood (1)

Name	Also called	Summary	Review
Focal Statistics	neighborhood statistics, moving window, mean filter, focal mean, r.neighbors	Each cell gets a statistic (mean, sum, minimum, ...) of the cells in a window around it.	Draft: written, not yet checked by a person

raster/projection (1)

Name	Also called	Summary	Review
Resample Raster	Resample, change cell size, coarsen, aggregate cells, resize raster	The same raster on a grid with a different cell size, in the same CRS.	Draft: written, not yet checked by a person

raster/statistics (1)

Name	Also called	Summary	Review
Zonal statistics	Zonal Statistics as Table, zonal stats, summarize raster within polygons	Summary statistics of raster cell values inside each zone polygon.	Draft: written, not yet checked by a person

raster/surface (2)

Name	Also called	Summary	Review
Contour	contours, contour lines, isolines, Contour List	Lines joining cells of equal value in a raster, at a regular interval.	Draft: written, not yet checked by a person
Fill NoData	fill gaps, fill missing data, interpolate nodata, fill nulls, Elevation Void Fill	Fills nodata cells of a raster by interpolating from the valid cells around them.	Draft: written, not yet checked by a person

raster/terrain (6)

Name	Also called	Summary	Review
Aspect	slope direction, facing direction, gdaldem aspect	The compass direction each cell of an elevation raster faces downhill.	Draft: written, not yet checked by a person
Hillshade	shaded relief, gdaldem hillshade	A shaded-relief image of an elevation raster, lit from a given direction and height.	Draft: written, not yet checked by a person
Roughness	surface roughness, local relief, gdaldem roughness	The difference between the highest and lowest elevation in each cell's 3 by 3 neighbourhood.	Draft: written, not yet checked by a person
Slope	gradient, steepness, gdaldem slope	The steepness of each cell of an elevation raster, in degrees or percent.	Draft: written, not yet checked by a person
Terrain Ruggedness Index	TRI, ruggedness index, Riley TRI, gdaldem TRI	How much each cell of an elevation raster differs in height from its eight neighbours.	Draft: written, not yet checked by a person
Topographic Position Index	TPI, difference from mean elevation, gdaldem TPI	Each cell's elevation minus the mean of its eight neighbours; positive on ridges, negative in valleys.	Draft: written, not yet checked by a person

table/join (1)

Name	Also called	Summary	Review
Attribute join	Join Field, Add Join, table join, Join attributes by field value	Adds the fields of a table to a layer by matching values in a key field.	Draft: written, not yet checked by a person

vector/aggregation (1)

Name	Also called	Summary	Review
Dissolve	Pairwise Dissolve, merge by attribute, aggregate, union by field	Merges features into one per value of the given fields, or into one shape for everything.	Draft: written, not yet checked by a person

vector/combine (1)

Name	Also called	Summary	Review
Merge Layers	Merge, Append, Merge Vector Layers, combine layers, concatenate	Combines the features of several vector layers into one layer.	Draft: written, not yet checked by a person

vector/crs (1)

Name	Also called	Summary	Review
Reproject	Project, Reproject layer, transform, change coordinate system	Transforms vector features from their coordinate reference system into another.	Draft: written, not yet checked by a person

vector/geometry (20)

Name	Also called	Summary	Review
Centroid	Feature To Point, centroids, point on surface, representative point, label point	One point per feature, at its geometric centre or, if asked, at a point guaranteed to lie inside it.	Draft: written, not yet checked by a person
Convex Hull	Minimum Bounding Geometry (convex hull), convex polygon, hull	The smallest convex polygon that contains each feature.	Draft: written, not yet checked by a person
Create Grid	Create Fishnet, Generate Tessellation, vector grid, hexagon grid, square grid	A layer of square or hexagonal cells of a given size covering another layer's extent.	Draft: written, not yet checked by a person
Delaunay Triangulation	Delaunay triangles, TIN, Create TIN, triangulated irregular network, triangulation	Triangles joining a set of points so that no point falls inside any triangle's circumcircle.	Draft: written, not yet checked by a person
Densify	segmentize, add vertices, Densify by interval, Densify (Editing)	Adds vertices along lines and polygon outlines so that no segment is longer than a given distance.	Draft: written, not yet checked by a person
Envelope	bounding box, bbox, Minimum Bounding Geometry (envelope), Bounding boxes, extent polygon	The smallest rectangle aligned with the coordinate axes that contains each feature.	Draft: written, not yet checked by a person
Explode Lines	Split Line At Vertices, line segments, dump segments, split lines into segments	Splits each line into its individual segments, one feature per pair of consecutive vertices.	Draft: written, not yet checked by a person
Extract Vertices	Feature Vertices To Points, extract nodes, dump points, vertices to points, explode to points	One point for every vertex of each line or polygon.	Draft: written, not yet checked by a person
Lines To Polygons	Feature To Polygon, polygonize lines, close rings	Polygons formed by closed lines, or by the areas that a network of lines encloses.	Draft: written, not yet checked by a person
Make valid	Repair Geometry, Fix geometries, MakeValid, ST_MakeValid	Repairs invalid geometries, such as self-intersecting polygons, so later operations give correct results.	Draft: written, not yet checked by a person
Minimum Bounding Circle	minimum enclosing circle, smallest enclosing circle, Minimum Bounding Geometry (circle)	The smallest circle that contains each feature, as a polygon.	Draft: written, not yet checked by a person
Minimum Bounding Rectangle	oriented envelope, minimum rotated rectangle, oriented minimum bounding box, Minimum Bounding Geometry (rectangle by area)	The smallest-area rectangle, at any angle, that contains each feature.	Draft: written, not yet checked by a person
Multipart To Singlepart	Explode, explode multipart features, disaggregate, split multipart	Splits each multipart feature into one feature per part, each with the original attributes.	Draft: written, not yet checked by a person
Offset Curve	Offset line, parallel line, Copy Parallel, offset curve, line offset	A line running parallel to each input line at a given distance to one side.	Draft: written, not yet checked by a person
Points Along Lines	Generate Points Along Lines, points along geometry, line sample, interpolate points, stationing	Points placed along each line at a regular distance.	Draft: written, not yet checked by a person
Points to Line	Points To Line, points to path, make line, connect points	Joins a layer's points, in order, into a line.	Draft: written, not yet checked by a person
Polygons To Lines	Polygon To Line, boundary, outline	The outlines of polygons as line features.	Draft: written, not yet checked by a person
Simplify	Simplify Line, Simplify Polygon, generalize, Douglas-Peucker	Removes vertices from lines and polygon outlines within a tolerance, keeping their overall shape.	Draft: written, not yet checked by a person
Snap	snap geometries, Snap (Editing), snap to layer, align vertices	Moves vertices of each feature onto nearby vertices or edges of a reference layer, within a tolerance.	Draft: written, not yet checked by a person
Split Lines by Length	Split Line By Length, chunk lines, line chunk, segment lines	Cuts each line into pieces of a given length, with a shorter last piece.	Draft: written, not yet checked by a person

vector/join (1)

Name	Also called	Summary	Review
Spatial join	Join attributes by location, sjoin, location join	Adds the fields of features in one layer to features of another, matching by a spatial relationship.	Draft: written, not yet checked by a person

vector/joins (2)

Name	Also called	Summary	Review
Count Points In Polygon	point count, points in polygons, Summarize Within (count)	Adds to each polygon the number of points that fall inside it.	Draft: written, not yet checked by a person
Nearest Join	Join By Nearest, Near, closest feature join, sjoin_nearest, Spatial Join (closest)	Joins to each feature the attributes of the nearest feature in another layer, optionally with the distance.	Draft: written, not yet checked by a person

vector/measure (2)

Name	Also called	Summary	Review
Measure Area	Calculate Geometry (area), Add Geometry Attributes, polygon area, shape area	The area of each polygon, as a number or a new attribute.	Draft: written, not yet checked by a person
Measure Length	Calculate Geometry (length), line length, shape length, perimeter	The length of each line, as a number or a new attribute.	Draft: written, not yet checked by a person

vector/overlay (7)

Name	Also called	Summary	Review
Clip	Pairwise Clip, cookie cutter, extract by polygon	Cuts vector features to the area of a mask layer, keeping only the parts inside it.	Draft: written, not yet checked by a person
Difference	Erase, Pairwise Erase, overlay difference, cut out	Removes from each feature of a layer the parts covered by a mask layer, keeping what lies outside it.	Draft: written, not yet checked by a person
Intersect	Pairwise Intersect, Intersection, overlay intersection	Keeps the areas where features of two layers overlap, with the attributes of both.	Draft: written, not yet checked by a person
Line Intersections	Intersect (point output), crossing points, Line intersections, line crossings	A point wherever a line in one layer crosses a line in another.	Draft: written, not yet checked by a person
Split by Lines	Split, split with lines, Split Polygons, cut polygons, blade	Cuts each feature into pieces where lines from another layer cross it.	Draft: written, not yet checked by a person
Symmetric Difference	Symmetrical Difference, XOR overlay, exclusive or	The parts of two layers that are covered by one layer but not both.	Draft: written, not yet checked by a person
Union	overlay union, Union (Analysis), identity of both layers	Splits two polygon layers where they overlap and keeps every piece, with the attributes of whichever layers cover it.	Draft: written, not yet checked by a person

vector/proximity (2)

Name	Also called	Summary	Review
Buffer	buffer zone, proximity zone, offset polygon, Pairwise Buffer	Polygons covering everything within a given distance of the input features.	Draft: written, not yet checked by a person
Voronoi Polygons	Thiessen polygons, Create Thiessen Polygons, proximity polygons, Voronoi diagram	One polygon per point, covering the area closer to that point than to any other.	Draft: written, not yet checked by a person

vector/sampling (1)

Name	Also called	Summary	Review
Random Points in Polygons	Create Random Points, random sample, generate points, sample points	A given number of randomly placed points inside each polygon.	Draft: written, not yet checked by a person

vector/selection (1)

Name	Also called	Summary	Review
Select By Location	Extract By Location, spatial filter, select features by location	Keeps the features of a layer that meet a spatial relationship with another layer's features.	Draft: written, not yet checked by a person