topic_geometry(1grass)

Topic: geometry
i.image.mosaic |  | Mosaics several images and extends colormap.
r.patch |  | Creates a composite raster map layer by using known category values from one (or more) map layer(s) to fill in areas of "no data" in another map layer.
r.thin |  | Thins non-null cells that denote linear features in a raster map layer.
v.delaunay |  | Creates a Delaunay triangulation from an input vector map containing points or centroids.
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.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.hull |  | Produces a 2D/3D convex hull for a given vector map.
v.in.region |  | Creates a vector polygon from the current region extent.
v.mkgrid |  | Creates a vector map of a user-defined grid.
v.overlay |  | Overlays two vector maps offering clip, intersection, difference, symmetrical difference, union operators.
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.report |  | Reports geometry statistics for vector maps.
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.to.3d |  | Performs transformation of 2D vector features to 3D.
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.type |  | Changes type of vector features.
v.voronoi |  | Creates a Voronoi diagram constrained to the extents of the current region from an input vector map containing points or centroids.

See also the corresponding keyword geometry for additional references.

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