--- name: "vector_graphical" section: "1grass" platform: "linux" package: "grass-doc" version: "8.4.1-1" release: "Debian 13 (Trixie)" platforms: ["linux"] url: "https://new.carta.tech/vector_graphical" --- # vector\_graphical(1grass) .img-list { margin: 0; padding: 0; list-style-type: none; } .img-list li { padding: 5px; overflow: auto; } .img-list li:hover { background-color: #eee; } .img-list li a { color: initial; text-decoration: none; display: block; } .img-list li img { width: 10%; float: left; margin: 0 15px 0 0; background: white; object-fit: scale-down; } .img-list li img.default-img { max-height: 5ex; } .img-list li .desc { margin: 0px; } .img-list li .name { margin: 5px; display: block; color: #409940; font-weight: bold; font-style: italic; } ## Graphical index of GRASS GIS modules Go to vector introduction \| topics ### Vector modules: - • `v.buffer` `Creates a buffer around vector features of given type.` - • `v.build.all` `Rebuilds topology on all vector maps in the current mapset.` - • `v.build` `Creates topology for vector map.`\ - • `v.build.polylines` `Builds polylines from lines or boundaries.` - • `v.category` `Attaches, deletes or reports vector categories to/from/of map geometry.` - • `v.centroids` `Adds missing centroids to closed boundaries.` - • `v.class` `Classifies attribute data, e.g. for thematic mapping` - • `v.clean` `Toolset for cleaning topology of vector map.` - • `v.clip` `Extracts features of input map which overlay features of clip map.` - • `v.cluster` `Performs cluster identification.` - • `v.colors` `Creates/modifies the color table associated with a vector map.` - • `v.colors.out` `Exports the color table associated with a vector map.` - • `v.db.addcolumn` `Adds one or more columns to the attribute table connected to a given vector map.` - • `v.db.addtable` `Creates and connects a new attribute table to a given layer of an existing vector map.` - • `v.db.connect` `Prints/sets DB connection for a vector map to attribute table.` - • `v.db.dropcolumn` `Drops a column from the attribute table connected to a given vector map.` - • `v.db.droprow` `Removes a vector feature from a vector map through attribute selection.` - • `v.db.droptable` `Removes existing attribute table of a vector map.` - • `v.db.join` `Joins a database table to a vector map table.` - • `v.db.reconnect.all` `Reconnects attribute tables for all vector maps from the current mapset to a new database.` - • `v.db.renamecolumn` `Renames a column in the attribute table connected to a given vector map.` - • `v.db.select` `Prints vector map attributes.` - • `v.db.univar` `Calculates univariate statistics on selected table column for a GRASS vector map.` - • `v.db.update` `Updates a column in the attribute table connected to a vector map.` - • `v.decimate` `Decimates a point cloud`\ - • `v.delaunay` `Creates a Delaunay triangulation from an input vector map containing points or centroids.` - • `v.dissolve` `Dissolves adjacent or overlapping features sharing a common category number or attribute.` - • `v.distance` `Finds the nearest element in vector map ’to’ for elements in vector map ’from’.` - • `v.drape` `Converts 2D vector features to 3D by sampling of elevation raster map.` - • `v.edit` `Edits a vector map, allows adding, deleting and modifying selected vector features.` - • `v.external` `Creates a new pseudo-vector map as a link to an OGR-supported layer or a PostGIS feature table.` - • `v.external.out` `Defines vector output format.` - • `v.extract` `Selects vector features from an existing vector map and creates a new vector map containing only the selected features.` - • `v.extrude` `Extrudes flat vector features to 3D vector features with defined height.`\ - • `v.fill.holes` `Fill holes in areas by keeping only outer boundaries` - • `v.generalize` `Performs vector based generalization.` - • `v.hull` `Produces a 2D/3D convex hull for a given vector map.` - • `v.import` `Imports vector data into a GRASS vector map using OGR library and reprojects on the fly.` - • `v.in.ascii` `Creates a vector map from an ASCII points file or ASCII vector file.` - • `v.in.db` `Creates new vector (points) map from database table containing coordinates.` - • `v.in.dxf` `Converts file in DXF format to GRASS vector map.` - • `v.in.e00` `Imports E00 file into a vector map.` - • `v.in.geonames` `Imports geonames.org country files into a vector points map.` - • `v.in.lines` `Imports ASCII x,y[,z] coordinates as a series of lines.` - • `v.in.mapgen` `Imports Mapgen or Matlab-ASCII vector maps into GRASS.` - • `v.in.ogr` `Imports vector data into a GRASS vector map using OGR library.` - • `v.in.region` `Creates a vector polygon from the current region extent.` - • `v.in.wfs` `Imports GetFeature from a WFS server.` - • `v.info` `Outputs basic information about a vector map.` - • `v.kcv` `Randomly partition points into test/train sets.` - • `v.kernel` `Generates a raster density map from vector points map.`\ - • `v.label` `Creates paint labels for a vector map from attached attributes.` - • `v.label.sa` `Create optimally placed labels for vector map(s)` - • `v.lidar.correction` `Corrects the v.lidar.growing output. It is the last of the three algorithms for LIDAR filtering.` - • `v.lidar.edgedetection` `Detects the object’s edges from a LIDAR data set.` - • `v.lidar.growing` `Building contour determination and Region Growing algorithm for determining the building inside` - • `v.lrs.create` `Creates a linear reference system.` - • `v.lrs.label` `Creates stationing from input lines, and linear reference system.` - • `v.lrs.segment` `Creates points/segments from input lines, linear reference system and positions read from stdin or a file.` - • `v.lrs.where` `Finds line id and real km+offset for given points in vector map using linear reference system.` - • `v.mkgrid` `Creates a vector map of a user-defined grid.` - • `v.neighbors` `Neighborhood analysis tool for vector point maps.`\ - • `v.net.alloc` `Allocates subnets for nearest centers.`\ - • `v.net.allpairs` `Computes the shortest path between all pairs of nodes in the network.` - • `v.net.bridge` `Computes bridges and articulation points in the network.` - • `v.net.centrality` `Computes degree, centrality, betweeness, closeness and eigenvector centrality measures in the network.` - • `v.net.components` `Computes strongly and weakly connected components in the network.` - • `v.net.connectivity` `Computes vertex connectivity between two sets of nodes in the network.` - • `v.net.distance` `Computes shortest distance via the network between the given sets of features.`\ - • `v.net.flow` `Computes the maximum flow between two sets of nodes in the network.` - • `v.net` `Performs network maintenance.` - • `v.net.iso` `Splits subnets for nearest centers by cost isolines.`\ - • `v.net.path` `Finds shortest path on vector network.` - • `v.net.salesman` `Creates a cycle connecting given nodes (Traveling salesman problem).`\ - • `v.net.spanningtree` `Computes minimum spanning tree for the network.` - • `v.net.steiner` `Creates Steiner tree for the network and given terminals.`\ - • `v.net.timetable` `Finds shortest path using timetables.` - • `v.net.visibility` `Performs visibility graph construction.` - • `v.normal` `Tests for normality for vector points.` - • `v.out.ascii` `Exports a vector map to a GRASS ASCII vector representation.`\ - • `v.out.dxf` `Exports vector map to DXF file format.` - • `v.out.ogr` `Exports a vector map layer to any of the supported OGR vector formats.`\ - • `v.out.postgis` `Exports a vector map layer to PostGIS feature table.` - • `v.out.pov` `Converts GRASS x,y,z points to POV-Ray x,z,y format.` - • `v.out.svg` `Exports a vector map to SVG file.` - • `v.out.vtk` `Converts a vector map to VTK ASCII output.` - • `v.outlier` `Removes outliers from vector point data.` - • `v.overlay` `Overlays two vector maps offering clip, intersection, difference, symmetrical difference, union operators.` - • `v.pack` `Exports a vector map as GRASS GIS specific archive file` - • `v.parallel` `Creates parallel line to input vector lines.` - • `v.patch` `Creates a new vector map by combining other vector maps.` - • `v.perturb` `Random location perturbations of vector points.` - • `v.profile` `Vector map profiling tool` - • `v.proj` `Re-projects a vector map from one project to the current project.` - • `v.qcount` `Indices for quadrat counts of vector point lists.` - • `v.random` `Generates random 2D/3D vector points.` - • `v.rast.stats` `Calculates univariate statistics from a raster map based on a vector map and uploads statistics to new attribute columns.` - • `v.reclass` `Changes vector category values for an existing vector map according to results of SQL queries or a value in attribute table column.` - • `v.rectify` `Rectifies a vector by computing a coordinate transformation for each object in the vector based on the control points.` - • `v.report` `Reports geometry statistics for vector maps.` - • `v.sample` `Samples a raster map at vector point locations.` - • `v.segment` `Creates points/segments from input vector lines and positions.` - • `v.select` `Selects features from vector map (A) by features from other vector map (B).` - • `v.split` `Splits vector lines to shorter segments.` - • `v.support` `Updates vector map metadata.` - • `v.surf.bspline` `Performs bicubic or bilinear spline interpolation with Tykhonov regularization.` - • `v.surf.idw` `Provides surface interpolation from vector point data by Inverse Distance Squared Weighting.` - • `v.surf.rst` `Performs surface interpolation from vector points map by splines.`\ - • `v.timestamp` `Modifies a timestamp for a vector map.`\ - • `v.to.3d` `Performs transformation of 2D vector features to 3D.` - • `v.to.db` `Populates attribute values from vector features.` - • `v.to.lines` `Converts vector polygons or points to lines.` - • `v.to.points` `Creates points along input lines in new vector map with 2 layers.` - • `v.to.rast` `Converts (rasterize) a vector map into a raster map.` - • `v.to.rast3` `Converts a vector map (only points) into a 3D raster map.` - • `v.transform` `Performs an affine transformation (shift, scale and rotate) on vector map.` - • `v.type` `Changes type of vector features.` - • `v.univar` `Calculates univariate statistics of vector map features.`\ - • `v.unpack` `Imports a GRASS GIS specific vector archive file (packed with v.pack) as a vector map` - • `v.vect.stats` `Count points in areas, calculate statistics from point attributes.` - • `v.vol.rst` `Interpolates point data to a 3D raster map using regularized spline with tension (RST) algorithm.` - • `v.voronoi` `Creates a Voronoi diagram constrained to the extents of the current region from an input vector map containing points or centroids.` - • `v.what` `Queries a vector map at given locations.` - • `v.what.rast` `Uploads raster values at positions of vector points to the table.` - • `v.what.rast3` `Uploads 3D raster values at positions of vector points to the table.` - • `v.what.strds` `Uploads space time raster dataset values at positions of vector points to the table.` - • `v.what.vect` `Uploads vector values at positions of vector points to the table.` Main index \| Topics index \| Keywords index \| Graphical index \| Full index © 2003-2025 GRASS Development Team, GRASS GIS 8.4.1 Reference Manual