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= Vector Data Structures = ...underlying theories (e.g. linear algebra, graph theory, network theory) of vector data can already lead to great confusion. ...

* vector lib topology: R*-tree '''Vector data operations''': ...

{{AddonSrc|vector|v.area.weigh|version=7}} creates a raster surface from vector areas using known cell weights and preserving the value of the area attribu {{AddonSrc|vector|v.build.pg|version=7}} builds PostGIS topology for feature tables linked via v.external. ...

...al index. Finally, there are a series of new modules to analyse raster and vector data; some of the already existing modules were improved and made faster (s ...

* In GRASS Toolbox click on Add GRASS vector layer tool: (screenshot) * In the 'Select GRASS vector layer select in the Map name combobox map roads and in the Layer combobox s ...

This page covers core functionality of [[wxGUI]] '''vector digitizer''', explains its usage for newcomers. * see also [[:Category:Vector|other vector related pages]] ...

...rnal raster and vector data in GRASS 7. See also [[PostGIS]] and [[PostGIS Topology]]. == Vector data == ...

...ac.osgeo.org/grass/browser/grass/trunk/doc/python/vector_example_ctypes.py vector] sample scripts. (GRASS 7) == Vector == ...

* [http://www.gdal.org/ogr/ogr_formats.html Supported vector formats] via {{cmd|v.import}} (for example importing Shapefiles) * Vector formats: File → Import vector data (internally using OGR) ...

| Type of Map: vector (level: 2) | Building topology for vector map <boundary_county>... ...

Dla wektorów: Plik &rarr; Import vector data using OGR ...add it to the Layer Manager with the grid-like button with a (+), to add a vector map to the Layer Manager use the button with lines and points on it to the ...

| Title: || '''Temporal GIS Algebra for raster and vector data in GRASS ''' ...API to create spatio-temporal vector and raster algebra to process massive vector and raster datasets based on their spatio-temporal relationships. ...

* Allow display of a vector legend in the map display (equivalent to current {{cmd|d.legend}} implement === Vector === ...

== Vector == ...raster equivalent version of the CORINE2000 map derived from the seamless vector database is of 100m pixel resolution [see Raster data section below]. Never ...

# A similar tool for vector data would also be very nice, which would simply store the colors in the GR ...lp with interpolation to deal with missing values, etc. A SQL based raster/vector map management is desired. ...

* {{cmd|v.in.ogr}} or &rarr; <u>underlying vector library functions to build topology and spatial index</u> &larr; ...

: ''('''t''' in minutes; '''points''': number of vector points)'' Interpolation large DEMs from large amounts of vector points requires lot of RAM. Some hints ...

# Example for pyGRASS usage - vector API from grass.pygrass.vector import VectorTopo ...

* {{cmd|v.in.ascii}} - Import data from an ASCII file to GRASS vector format. ...d vector point imports will be limited to a few million data points unless topology and database creation is skipped with the '''-bt''' flags''. It may also be ...

This tutorial presents and explains the functionality of GRASS vector module ''v.generalize''. This module implements generalization operators for GRASS vector maps. The topics covered in this tutorial are: simplification, smoothing, n ...