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- == GRASS GIS topology management == === Topology general characteristics === ...4 KB (594 words) - 07:36, 10 October 2023
- ...What would be the 'recommended' way of dealing with the 'errors' found in vector data which were created with zero topological restrictions (and saved as .s A hint for snapping: {{cmd|v.in.ogr}} suggest for vector data with topological errors a range of <nowiki>[1e-08, 1]</nowiki> for sui ...6 KB (1,018 words) - 13:02, 5 April 2020
- ...rass70/manuals/vectorintro.html#vector-model-and-topology Vector model and topology] * [[Vector topology cleaning]] ...4 KB (664 words) - 15:13, 22 July 2016
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Exporting vector map layer into PostGIS Topology ...(691 × 379 (35 KB)) - 18:25, 16 November 2013- == GRASS GIS topology management == === Topology general characteristics === ...4 KB (594 words) - 07:36, 10 October 2023
- '''Q:''' How can I patch several vector map together, i.e. merge them? Especially SHAPE files? '''A 1:''' To patch vector maps in GRASS: ...2 KB (316 words) - 11:25, 22 December 2014
- ...vector data (from GRASS GIS 6) in GRASS GIS 7 the user has to rebuild the topology. Additionally it is recommended to switch the database backend from DBF fil == Convert automatically all GRASS 6 vector maps to GRASS 7 (including attribute transfer from DBF to SQLite) == ...2 KB (324 words) - 10:41, 4 December 2018
- * Intro to [[Vector Database Management|vector data model]] (with drawing) * [[Vector topology cleaning]] ...2 KB (272 words) - 10:28, 4 December 2018
- '''Vector:''' You need to rebuild the topology with {{cmd|v.support|version=54}}. ...ve been deprecated and are handled as vector points. Convert sites maps to vector maps with [https://old.grass.osgeo.org/grass64/manuals/v.in.sites.html v.in ...2 KB (397 words) - 21:14, 24 June 2021
- '''Q:''' How to show vector map labels * After Importing the data, if a vector file run v.support option=build. ...863 bytes (143 words) - 07:49, 12 December 2006
- ...GIS 6. To be able to use imported data in GRASS GIS 6, just rebuild vector topology (e.g., {{cmd|v.build}}). [[Category: Vector]] ...781 bytes (132 words) - 20:05, 18 September 2016
- ...he Spearfish sample dataset in GRASS 6.4 to reduce the node coordinates of vector polygons (''areas'') to three decimal digit precision: ...preserved, but it is worth paying close attention to the verification and topology-building messages upon import. (in case of errors make sure that the origin ...1 KB (223 words) - 22:45, 23 April 2018
- * {{Cmd|v.out.vtk}} - export vector maps for VTK ...RASSBrige provides a VTK/C++ interface to most of the GRASS GIS raster and vector C library functions. Its using an intuitive class structure to hide the com ...3 KB (490 words) - 00:37, 19 June 2013
- =Vector Maps= ==Vector Geometries== ...4 KB (620 words) - 15:14, 17 July 2012
- == Option to reduce memory consumption for vector topology == ...n cause problems such as out-of-memory errors or freezing the machine if a vector module uses up all system memory and goes into swap space. ...2 KB (348 words) - 14:54, 8 May 2017
- * Draw a 1 km x 1 km grid ({{cmd|d.grid}}), and overlay the {{cmd|v.mkgrid}} vector map (area fill = none, or only display boundary features, colored red or so * Generate a region that defines the required grid topology: extent, cell size, origin ...1 KB (211 words) - 15:49, 26 August 2010
- * [[#Link to GRASS|link]] PostGIS data as GRASS vector maps * {{cmd|vectorintro|desc=Vector data processing in GRASS GIS}} help page ...6 KB (973 words) - 03:12, 23 January 2017
- ...It's available in '''PostGIS 2.0 and later'''. GRASS GIS supports PostGIS Topology in version '''GRASS 7.0 and later''' through [http://trac.osgeo.org/grass/w ...ta/osgeorel/2013-04-fem-gis/landa-fem-gis-2013-04.pdf Working with PostGIS Topology in GRASS GIS] ([http://gis.cri.fmach.it/news/47/15/Seminar-Advances-in-GIS- ...15 KB (1,952 words) - 21:55, 6 November 2017
- ...rass70/manuals/vectorintro.html#vector-model-and-topology Vector model and topology] * [[Vector topology cleaning]] ...4 KB (664 words) - 15:13, 22 July 2016
- ...What would be the 'recommended' way of dealing with the 'errors' found in vector data which were created with zero topological restrictions (and saved as .s A hint for snapping: {{cmd|v.in.ogr}} suggest for vector data with topological errors a range of <nowiki>[1e-08, 1]</nowiki> for sui ...6 KB (1,018 words) - 13:02, 5 April 2020
- * Raster / vector processing * 3D raster / vector modelling ...2 KB (228 words) - 20:31, 2 September 2018
- = Uniforming the vector modules = * Vector 3D support. Make all vector modules work in 3D space. ...5 KB (769 words) - 07:25, 12 March 2008
- ...GRASS maps are identical. It uses the MD5 cryptographic hash function. For vector map layers it does not check if the attribute table(s) are identical, too. ...pression. Optionally, a prefix can be added to all files copied and vector topology can be rebuilt to match currently running version of GRASS. ...2 KB (400 words) - 07:31, 25 June 2020
