1vector_graphical(1)           Grass User's Manual          vector_graphical(1)
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Graphical index of GRASS GIS modules

14       Go to vector introduction | topics
15
16   Vector modules:
17           ·   v.buffer Creates a buffer around vector features of given type.
18
19           ·   v.build.all Rebuilds topology on all vector maps in the current
20               mapset.
21
22           ·   v.build Creates topology for vector map.
23
24
25           ·   v.build.polylines Builds polylines from lines or boundaries.
26
27           ·   v.category Attaches, deletes or reports  vector  categories  to
28               map geometry.
29
30           ·   v.centroids Adds missing centroids to closed boundaries.
31
32           ·   v.class Classifies attribute data, e.g. for thematic mapping
33
34           ·   v.clean Toolset for cleaning topology of vector map.
35
36           ·   v.clip Extracts features of input map which overlay features of
37               clip map.
38
39           ·   v.cluster Performs cluster identification.
40
41           ·   v.colors Creates/modifies the color  table  associated  with  a
42               vector map.
43
44           ·   v.colors.out  Exports  the color table associated with a vector
45               map.
46
47           ·   v.db.addcolumn Adds one or more columns to the attribute  table
48               connected to a given vector map.
49
50           ·   v.db.addtable  Creates  and connects a new attribute table to a
51               given layer of an existing vector map.
52
53           ·   v.db.connect Prints/sets DB connection  for  a  vector  map  to
54               attribute table.
55
56           ·   v.db.dropcolumn  Drops  a  column from the attribute table con‐
57               nected to a given vector map.
58
59           ·   v.db.droprow Removes a vector feature from a vector map through
60               attribute selection.
61
62           ·   v.db.droptable  Removes  existing  attribute  table of a vector
63               map.
64
65           ·   v.db.join Joins a database table to a vector map table.
66
67           ·   v.db.reconnect.all Reconnects attribute tables for  all  vector
68               maps from the current mapset to a new database.
69
70           ·   v.db.renamecolumn  Renames a column in the attribute table con‐
71               nected to a given vector map.
72
73           ·   v.db.select Prints vector map attributes.
74
75           ·   v.db.univar Calculates univariate statistics on selected  table
76               column for a GRASS vector map.
77
78           ·   v.db.update  Updates  a column in the attribute table connected
79               to a vector map.
80
81           ·   v.decimate Decimates a point cloud
82
83
84           ·   v.delaunay Creates a Delaunay triangulation from an input  vec‐
85               tor map containing points or centroids.
86
87           ·   v.dissolve  Dissolves boundaries between adjacent areas sharing
88               a common category number or attribute.
89
90           ·   v.distance Finds the nearest element in  vector  map  ’to’  for
91               elements in vector map ’from’.
92
93           ·   v.drape Converts 2D vector features to 3D by sampling of eleva‐
94               tion raster map.
95
96           ·   v.edit Edits a vector map, allows adding, deleting and  modify‐
97               ing selected vector features.
98
99           ·   v.external  Creates  a  new  pseudo-vector  map as a link to an
100               OGR-supported layer or a PostGIS feature table.
101
102           ·   v.external.out Defines vector output format.
103
104           ·   v.extract Selects vector features from an existing  vector  map
105               and  creates a new vector map containing only the selected fea‐
106               tures.
107
108           ·   v.extrude Extrudes flat vector features to 3D  vector  features
109               with defined height.
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111
112           ·   v.generalize Performs vector based generalization.
113
114           ·   v.hull Produces a 2D/3D convex hull for a given vector map.
115
116           ·   v.import  Imports vector data into a GRASS vector map using OGR
117               library and reprojects on the fly.
118
119           ·   v.in.ascii Creates a vector map from an ASCII  points  file  or
120               ASCII vector file.
121
122           ·   v.in.db  Creates  new  vector  (points) map from database table
123               containing coordinates.
124
125           ·   v.in.dxf Converts file in DXF format to GRASS vector map.
126
127           ·   v.in.e00 Imports E00 file into a vector map.
128
129           ·   v.in.geonames Imports geonames.org country files into a  vector
130               points map.
131
132           ·   v.in.lidar  Converts  LAS  LiDAR point clouds to a GRASS vector
133               map with libLAS.
134
135           ·   v.in.lines Imports ASCII x,y[,z] coordinates  as  a  series  of
136               lines.
137
138           ·   v.in.mapgen  Imports  Mapgen  or  Matlab-ASCII vector maps into
139               GRASS.
140
141           ·   v.in.ogr Imports vector data into a GRASS vector map using  OGR
142               library.
143
144           ·   v.in.region  Creates  a  vector polygon from the current region
145               extent.
146
147           ·   v.in.wfs Imports GetFeature from a WFS server.
148
149           ·   v.info Outputs basic information about a vector map.
150
151           ·   v.kcv Randomly partition points into test/train sets.
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153           ·   v.kernel Generates a raster density map from vector points map.
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155
156           ·   v.label Creates paint labels for a  vector  map  from  attached
157               attributes.
158
159           ·   v.label.sa Create optimally placed labels for vector map(s)
160
161           ·   v.lidar.correction  Corrects  the v.lidar.growing output. It is
162               the last of the three algorithms for LIDAR filtering.
163
164           ·   v.lidar.edgedetection Detects the object’s edges from  a  LIDAR
165               data set.
166
167           ·   v.lidar.growing Building contour determination and Region Grow‐
168               ing algorithm for determining the building inside
169
170           ·   v.lrs.create Creates a linear reference system.
171
172           ·   v.lrs.label Creates stationing from  input  lines,  and  linear
173               reference system.
174
175           ·   v.lrs.segment  Creates points/segments from input lines, linear
176               reference system and positions read from stdin or a file.
177
178           ·   v.lrs.where Finds line id and real km+offset for  given  points
179               in vector map using linear reference system.
180
181           ·   v.mkgrid Creates a vector map of a user-defined grid.
182
183           ·   v.neighbors Neighborhood analysis tool for vector point maps.
184
185
186           ·   v.net.alloc Allocates subnets for nearest centers.
187
188
189           ·   v.net.allpairs  Computes the shortest path between all pairs of
190               nodes in the network.
191
192           ·   v.net.bridge Computes bridges and articulation  points  in  the
193               network.
194
195           ·   v.net.centrality   Computes   degree,  centrality,  betweeness,
196               closeness and eigenvector centrality measures in the network.
197
198           ·   v.net.components Computes strongly and weakly connected  compo‐
199               nents in the network.
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201           ·   v.net.connectivity  Computes  vertex  connectivity  between two
202               sets of nodes in the network.
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204           ·   v.net.distance  Computes  shortest  distance  via  the  network
205               between the given sets of features.
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207
208           ·   v.net.flow  Computes the maximum flow between two sets of nodes
209               in the network.
210
211           ·   v.net Performs network maintenance.
212
213           ·   v.net.iso Splits subnets for nearest centers by cost isolines.
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215
216           ·   v.net.path Finds shortest path on vector network.
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218           ·   v.net.salesman Creates a cycle connecting given nodes  (Travel‐
219               ing salesman problem).
220
221
222           ·   v.net.spanningtree  Computes minimum spanning tree for the net‐
223               work.
224
225           ·   v.net.steiner Creates Steiner tree for the  network  and  given
226               terminals.
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229           ·   v.net.timetable Finds shortest path using timetables.
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231           ·   v.net.visibility Performs visibility graph construction.
232
233           ·   v.normal Tests for normality for vector points.
234
235           ·   v.out.ascii Exports a vector map to a GRASS ASCII vector repre‐
236               sentation.
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239           ·   v.out.dxf Exports vector map to DXF file format.
240
241           ·   v.out.lidar Exports vector points as LAS point cloud
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243
244           ·   v.out.ogr Exports a vector map layer to any  of  the  supported
245               OGR vector formats.
246
247
248           ·   v.out.postgis Exports a vector map layer to PostGIS feature ta‐
249               ble.
250
251           ·   v.out.pov Converts GRASS x,y,z points to POV-Ray x,z,y format.
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253           ·   v.out.svg Exports a vector map to SVG file.
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255           ·   v.out.vtk Converts a vector map to VTK ASCII output.
256
257           ·   v.outlier Removes outliers from vector point data.
258
259           ·   v.overlay Overlays two vector maps offering clip, intersection,
260               difference, symmetrical difference, union operators.
261
262           ·   v.pack Exports a vector map as GRASS GIS specific archive file
263
264           ·   v.parallel Creates parallel line to input vector lines.
265
266           ·   v.patch  Creates  a  new  vector  map by combining other vector
267               maps.
268
269           ·   v.perturb Random location perturbations of vector points.
270
271           ·   v.profile Vector map profiling tool
272
273           ·   v.proj Re-projects a vector map from one location to  the  cur‐
274               rent location.
275
276           ·   v.qcount Indices for quadrat counts of vector point lists.
277
278           ·   v.random Generates random 2D/3D vector points.
279
280           ·   v.rast.stats Calculates univariate statistics from a raster map
281               based on a vector map and uploads statistics to  new  attribute
282               columns.
283
284           ·   v.reclass Changes vector category values for an existing vector
285               map according to results of SQL queries or a value in attribute
286               table column.
287
288           ·   v.rectify  Rectifies  a vector by computing a coordinate trans‐
289               formation for each object in the vector based  on  the  control
290               points.
291
292           ·   v.report Reports geometry statistics for vector maps.
293
294           ·   v.sample Samples a raster map at vector point locations.
295
296           ·   v.segment  Creates  points/segments from input vector lines and
297               positions.
298
299           ·   v.select Selects features from vector map (A) by features  from
300               other vector map (B).
301
302           ·   v.split Splits vector lines to shorter segments.
303
304           ·   v.support Updates vector map metadata.
305
306           ·   v.surf.bspline  Performs  bicubic or bilinear spline interpola‐
307               tion with Tykhonov regularization.
308
309           ·   v.surf.idw Provides surface  interpolation  from  vector  point
310               data by Inverse Distance Squared Weighting.
311
312           ·   v.surf.rst  Performs  surface  interpolation from vector points
313               map by splines.
314
315
316           ·   v.timestamp Modifies a timestamp for a vector map.
317
318
319           ·   v.to.3d Performs transformation of 2D vector features to 3D.
320
321           ·   v.to.db Populates attribute values from vector features.
322
323           ·   v.to.lines Converts vector polygons or points to lines.
324
325           ·   v.to.points Creates points along input lines in new vector  map
326               with 2 layers.
327
328           ·   v.to.rast Converts (rasterize) a vector map into a raster map.
329
330           ·   v.to.rast3 Converts a vector map (only points) into a 3D raster
331               map.
332
333           ·   v.transform Performs an affine transformation (shift, scale and
334               rotate) on vector map.
335
336           ·   v.type Changes type of vector features.
337
338           ·   v.univar  Calculates  univariate  statistics of vector map fea‐
339               tures.
340
341
342           ·   v.unpack Imports a  GRASS  GIS  specific  vector  archive  file
343               (packed with v.pack) as a vector map
344
345           ·   v.vect.stats  Count  points in areas, calculate statistics from
346               point attributes.
347
348           ·   v.vol.rst Interpolates point data to a 3D raster map using reg‐
349               ularized spline with tension (RST) algorithm.
350
351           ·   v.voronoi  Creates a Voronoi diagram constrained to the extents
352               of the current region  from  an  input  vector  map  containing
353               points or centroids.
354
355           ·   v.what Queries a vector map at given locations.
356
357           ·   v.what.rast Uploads raster values at positions of vector points
358               to the table.
359
360           ·   v.what.rast3 Uploads 3D raster values at  positions  of  vector
361               points to the table.
362
363           ·   v.what.strds  Uploads space time raster dataset values at posi‐
364               tions of vector points to the table.
365
366           ·   v.what.vect Uploads vector values at positions of vector points
367               to the table.
368
369       Main  index  |  Topics  index | Keywords index | Graphical index | Full
370       index
371
372       © 2003-2019 GRASS Development Team, GRASS GIS 7.4.4 Reference Manual
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376GRASS 7.4.4                                                vector_graphical(1)
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