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- If you don't dispose of a fuel map, you can try to define the fuel by your expert judgement, with the help of this [http://www ...10h). The quantities moisture_1h and moisture_100h, respectively referring to 1 hour and 100 hours, are expressed likewise. ...5 KB (730 words) - 14:33, 25 March 2021
- == '''Q:''' How to create an elevation profile from intersecting shapefiles == '''A:''' You want to create an elevation profile for a walking track described in one file, when ...5 KB (842 words) - 01:59, 11 February 2016
- ...ons. Most IRC servers do not require users to log in, but a user will have to set a nickname before being connected. ...annel ([irc://irc.libera.chat/grass #grass] on irc.libera.chat), feel free to join. There are many other geo related channels such as [irc://irc.libera.c ...5 KB (810 words) - 21:10, 1 August 2022
- ...e preferences. You can also open several channels at time. It's convenient to automate the identification. -> Auto-url [someone please verify this, probably it's sufficient to type ...5 KB (788 words) - 23:12, 6 February 2010
- You have to have in your library the packages "gstat" and "spgrass6", you can download In GRASS we have a vector file named "giaciture_cat_clean3" and we want to do a prediction on this data... ...3 KB (506 words) - 09:49, 9 August 2013
Page text matches
- The purpose of working groups is to coordinate the GRASS GIS community activities such as software development, == How to join == ...905 bytes (124 words) - 18:19, 10 October 2023
- '''Q:''' How to add points (centroids) to Polygons? '''A:''' ... quite easy to do in GRASS 6: [http://grass.itc.it/grass63/manuals/html63_user/v.category. ...395 bytes (67 words) - 17:59, 31 December 2013
- ...t lines into boundaries with {{cmd|v.type}}, but now, how to add centroids to turn them into areas? The lines look as follows. In {{cmd|v.digit}}: '''A:''' Run {{cmd|v.centroids}} to add centroid(s). ...407 bytes (69 words) - 16:59, 29 December 2011
- ...eferably by converting Shapely polygon to GRASS GIS vector format in order to use various tools within GRASS GIS? [[Category:Linking to other languages]] ...377 bytes (50 words) - 20:44, 8 November 2019
- '''Q:''' How to add multiple vertices to a line? ...243 bytes (41 words) - 20:25, 19 June 2012
- ...form aspect counter-clock wise angles (such as produced by r.slope.aspect) to azimuth ? ...179 bytes (27 words) - 11:19, 9 July 2015
- '''Q''': In a site map, how to select all the points that are at the edge? Use v.out.region to create a box (set size with g.region) or use v.hull. ...435 bytes (77 words) - 09:45, 5 February 2013
- == Procedure to request Community Sprint funding == # Open this page in editing mode to '''copy''' the template part below into a new Wiki "discussion" page using ...2 KB (327 words) - 23:52, 19 February 2016
- This page shows how to use {{wikipedia|Vagrant_(software)|Vagrant}} together with GRASS GIS. The G ''Note:'' '$' shows commands to be entered from local machine, '#' from vagrant's virtual machine ...3 KB (376 words) - 17:36, 16 February 2016
- ...workflow below describes how coordinates can be extracted from points and how they can be written into the attribute table. v.in.ascii -z input=/path/to/points_map.csv output=points format=point skip=0 x=1 y=2 z=3 cat=0 fs=, ...1 KB (220 words) - 14:10, 5 August 2016
- '''Q:''' How can I fill holes in a raster map with categorical data? ...data use {{cmd|r.grow.distance}} which assigns the nearest non-NULL value to a NULL cell: ...252 bytes (44 words) - 00:08, 7 December 2011
- '''Q:''' How to create a vector buffer around polygons/areas/points in GRASS >= 5.7: ...259 bytes (40 words) - 18:20, 22 July 2016
- '''Q:''' How to dissolve vector polygons (or remove tile boundaries of adjacent maps) ...ORINE Landcover SHAPE files) have to be removed, an extra step is required to first remove duplicated boundaries: ...545 bytes (83 words) - 21:57, 10 April 2013
- '''Q:''' How do I import very large data into GRASS GIS? I.e. from [http://www.gadm.org/ ...d to create GADM v2. You need to perform additional cleaning with snapping to a very small threshold, i.e. ...781 bytes (132 words) - 20:05, 18 September 2016
- '''Q:''' How to digitize on a comfortable way isolines from a scanned map?<br /> # To get the lines in a vector map have look at: [http://grass.osgeo.org/wiki/Tr ...445 bytes (78 words) - 18:06, 31 December 2013
- ...ist system "mailman" is very strict with subscriptions to prevent spammers to flood the mailing lists. Exampl:e If you post to a GRASS list and receive a message similar to: ...1 KB (190 words) - 14:01, 10 November 2012
- ...es contains a growing list of Frequently Asked Questions (FAQs). Feel free to add text, "Edit" button for that. # In a site map, how to select all the points that are at the edge? - [[Points Edge Selection]] ...5 KB (763 words) - 12:17, 2 October 2016
- ''How do I set the {{wikipedia|map_scale}} in the Display Window?'' ...ur monitor would have to be known as Scale is the ratio of distance on map to distance on ground. ...1 KB (252 words) - 12:35, 1 March 2010
- The GRASS GIS project offers a mentoring program to help students, researchers, and software developers integrate GRASS GIS int ''The mentors hope to grow the GRASS community, so if you are new to GRASS GIS or open-source development in general, this program is for you.'' ...3 KB (437 words) - 15:23, 11 December 2023
- To quote from their website: * easy to install ...2 KB (366 words) - 10:16, 5 June 2020
- MapServer needs a mapfile containing the information, how to create the maps. Examples of these can be found, so here you'll find GRASS A short example of a layer definition to access a GRASS raster: ...3 KB (418 words) - 20:42, 15 August 2016
- * You can contact GRASS users in [[How to participate in IRC communication|IRC]] * [[How the Open Source software development model works]] ...5 KB (653 words) - 15:19, 24 August 2015
- '''Q:''' How to add a new point to the vector map at given position? * Add new point to the vector map <tt>(x=100, y=100, layer=1, category=1)</tt> with {{cmd|v.ed ...932 bytes (151 words) - 17:58, 31 December 2013
- ...way to automate the process below. It uses the {{Cmd|m.nviz.image}} module to render the two viewpoints, then composes the 3D image into a PNG file. == How to create stereo anaglyphs manually with NVIZ == ...4 KB (702 words) - 21:03, 7 July 2013
- '''Q:''' How can I rename many maps in the current mapset in a convenient way (mass rena '''A:''' Use the Addon {{AddonCmd|g.rename.many}} in order to rename maps in the current mapset. Old and new names are read from a text f ...385 bytes (67 words) - 23:35, 15 August 2015
- ...the other shows you how to use the GRASS wxGUI. This reader is redirected to the Quick wxGUI tutorial for more information on this topic. ...ght find the CLI a quick alternative to display your vector data. You need to start a display monitor as follows: ...3 KB (445 words) - 13:05, 8 August 2013
- ...page describes how a user can go about working with TIN data if they want to anyway (for whatever reason). See the [[Contour lines to DEM]] wiki page for a detailed comparison of these modules and a TIN. ...5 KB (864 words) - 18:04, 31 December 2013
- '''Q:''' How to extract the entire network upstream a given point on the river network? ...h to the column for line length ({{cmd|v.to.db}}). Set the blocking column to -1. ...727 bytes (128 words) - 10:44, 5 November 2014
- ...s intended for GRASS GIS users who want to migrate from a previous release to the new GRASS Version. If you are a beginner, please also consider addition ...e the examples described here do not work properly, you are kindly invited to send us further examples and/or code bugfixes/enhancements. Enjoy the WIKI! ...6 KB (852 words) - 08:29, 30 July 2013
- It provides more than 450 core modules, plus hundreds of Add-ons, to graphical interface to work as in any other desktop software. However, ...2 KB (312 words) - 10:52, 12 June 2017
- ...r network) which I want to clean and break the lines at intersections. How to manage the categories? Now add new categories to a new layer, e.g. with ...1,016 bytes (164 words) - 09:24, 3 October 2016
- See [[Promotional material]] for up-to-date information. * Large use of screenshots / examples (''does anybody know how to create screenshots with high resolution?'') ...790 bytes (103 words) - 20:02, 2 September 2018
- A GRASS module crashed and left the sqlite database locked. How can I unlock the sqlite database? To kill the process: ...529 bytes (72 words) - 09:35, 23 April 2015
- '''Q:''' How to remove small vector lines? I want only delete spurious lines. To delete isolated lines which are not connected to the main "network", use: ...2 KB (256 words) - 10:52, 5 November 2014
- '''Q:''' How to generate a grid where the cell numbers are sequential? #to visualise the category numbers in the grid ...775 bytes (136 words) - 10:45, 19 September 2012
- ...Code-In] 2018. Here we will list task ideas and other information related to the GRASS GCI projects as well as the contest results and contributions by ...ing organizations lend a helping hand as participants learn what it’s like to work on an open source project. For more details, see [https://developers.g ...4 KB (609 words) - 15:44, 16 September 2018
- '''Q:''' How can I export only parts of a vector map, say, the part of the current regio '''A:''' You need to cut the map first (only raster maps are region sensitive) with {{cmd|v.sele ...495 bytes (83 words) - 00:37, 7 December 2011
- In a similar way to the vector data management, the import and export of raster data is underpi ...ne (input represents the full or relative path to the raster file you want to import; output is its raster name in GRASS). The same can be achieved usin ...1 KB (235 words) - 09:47, 9 August 2013
- ...ons. Most IRC servers do not require users to log in, but a user will have to set a nickname before being connected. ...annel ([irc://irc.libera.chat/grass #grass] on irc.libera.chat), feel free to join. There are many other geo related channels such as [irc://irc.libera.c ...5 KB (810 words) - 21:10, 1 August 2022
- ...itecnico di Milano, Polo Regionale di Como, 30 May 2006 (6h). Introduction to GRASS 6 and QGIS ([http://mpa.itc.it/markus/como2006/index.html Slides PDF/ * Tutorials by Yann Chemin: One document of small tutorials to get started in GRASS GIS and GRASS integration with QGIS. ...4 KB (564 words) - 07:51, 27 June 2010
- '''Q:''' How can I count the number of points which fall into polygons? Carry over an attribute from the polygons to the points, then count the number of equal attributes by SQL grouping. ...3 KB (441 words) - 08:07, 19 April 2015
- ...many versions of GRASS spanning the last 15 years; relevant content needs to be moved into this Wiki [''please help!''] ...How to interpolate point value using kriging method with R and GRASS 6|how to interpolate point value using kriging method with R and GRASS]]. ...4 KB (485 words) - 14:31, 2 December 2023
- ...e the average map values by spatial unit (grid)? For example, I would like to calculate the average slope by square kilometer for a given area. ...ea fill = none, or only display boundary features, colored red or so) just to verify where it will be and what it will look like. ...1 KB (211 words) - 15:49, 26 August 2010
- - '''Applies to GRASS Versions 5 and 6 (pre 6.4)''' - ...to the GIS manager window in a similar fashion. Any tips and hints on how to add on an extra menu item in the gis.m gis manager?'' ...1 KB (211 words) - 07:56, 10 February 2013
- ...resolution (quadrat count) and write the results to a raster map (in order to perform r.mapcalc on these observed frequencies). ...with {{cmd|g.region}}) and write a raster map allocating the number count to the cell. ...1 KB (230 words) - 18:06, 31 December 2013
- Connecting to this WMTS service requires a preliminary registration. See [http://api.ign. This AddOn was written as a '''transitory solution''' to fetch french data within GRASS 6.4 where [http://grass.osgeo.org/grass64/ma ...4 KB (630 words) - 07:49, 15 February 2013
- ...rovide powerful binary package management. You can choose whether you want to download precompiled binary packages or build everything from source. For further information to install it and how to use it, see the [http://finkproject.org Fink Project Website]. ...2 KB (247 words) - 00:30, 1 May 2017
- '''Q:''' How do I install winGRASS? '''Q:''' I have problems to launch winGRASS! ...842 bytes (114 words) - 21:40, 17 March 2012
- Open-source ecosystem working group is established to foster relations with other software communities and collaborate with them * provide guidance to communities how to best integrate GRASS GIS ...2 KB (235 words) - 18:19, 17 October 2023
- == Shared access to a GRASS database == Here are some suggestions on how multiple people at a site can collaborate on one GRASS database, sharing da ...2 KB (353 words) - 15:42, 3 April 2017
- ...Carolina State University campus. This is a page to organize meetings and to record what was done or discussed during the meetings. See [[GRASS GIS Rale ...//lists.osgeo.org/mailman/listinfo/southeast-us Southeast-US mailing list] to get updates. ...4 KB (516 words) - 09:23, 20 December 2019
- '''Q:''' How can I drop a column in sqlite-databases? Old '''A:''' It is not possible to drop columns within sqlite using the syntax ALTER TABLE DROP COLUMN [1]. Ho ...1 KB (209 words) - 21:35, 30 December 2011
- * 당신은 GRASS 사용자들과 다음 사이트[[How to participate in IRC communication|IRC]]에서 만날 수 있습니다. * [[How the Open Source software development model works]] ...5 KB (566 words) - 14:58, 24 May 2013
- ===How the course will be structured=== ...t-come basis. We are asking for a $250 USD fee by each non-NWS participant to be used as a modest honorarium for Michael Barton and Helena Mitasova. ...4 KB (578 words) - 08:56, 11 February 2011
- '''Q:''' How to edit GRASS Attributes? Two categories (with slash in the middle) can be assigned to a single vector feature in a single layer. This can happen e.g. when import ...1 KB (165 words) - 21:40, 24 March 2014
- = How make a map? = First I define a variable to store the name of the output because when I want change it I modify only th ...6 KB (924 words) - 07:19, 29 August 2013
- '''Q:''' How can I patch several vector map together, i.e. merge them? Especially SHAPE '''A 1:''' To patch vector maps in GRASS: ...2 KB (316 words) - 11:25, 22 December 2014
- == How the Open Source software development model works == Emphasis is placed on interoperability and unlimited access to data as well as software flexibility and evolution rate (both added feature ...2 KB (242 words) - 11:56, 6 August 2013
- ...cmd|v.in.dxf}}. DXF usually contains more layers. You can convert DXF file to ''multi-layer'' [[GRASS Vector Layers|GRASS vector map]] or import selected == Convert DXF layers to multi-layer GRASS vector map == ...2 KB (336 words) - 10:28, 4 December 2018
- ...42 ). If a new VARCHAR column is added to layer 2 by {{cmd|v.db.addcol}}, how can the names from layer 1 be copied into it?'' v.to.db regions layer=2 option=query col=name qlayer=1 qcolumn=name ...1 KB (179 words) - 09:50, 23 April 2015
- Jan 23, 2020, we switched from trac to GitHub also for the bug tracking (now called "issues"). ...t nodody has volunteered yet. If you are the one, please contact the admin to arrange it. ...6 KB (920 words) - 21:23, 5 April 2020
- ====How-to mini untuk melakukan interpolasi kriging menggunakan GRASS dan R==== [[How to interpolate point value using kriging method with R and GRASS 6 | Bagaimana ...5 KB (661 words) - 11:39, 4 December 2011
- ...Code-In] 2017. Here we will list task ideas and other information related to the GRASS GCI projects. ...ing organizations lend a helping hand as participants learn what it’s like to work on an open source project. For more details, see [https://developers.g ...6 KB (892 words) - 16:37, 18 January 2018
- * [[How to interpolate point value using kriging method with R and GRASS 6]] ...1 KB (173 words) - 08:02, 26 August 2009
- ...several categories, several areas can have the same category. If you want to get the coverage for a particular Landsat scene, just select the path and r '''Q:''' How can I determine the number of overlapping features per location after impor ...2 KB (272 words) - 10:28, 4 December 2018
- ...l tested algorithms provided by GRASS GIS. The name "SEXTANTE" was changed to "Processing" in QGIS 2. ...ADE bundled with SEXTANTE. Both teams (SEXTANTE and gvSIG CE) have decided to unite forces and will be, from now on, sharing their development policies a ...10 KB (1,551 words) - 13:36, 24 January 2017
- This page contains references to user contributions and add-ons (the original GRASS GIS software can be down ...ger]] (''Settings -> Addon extensions -> Install extensions from addons'') to install Addons. ...6 KB (939 words) - 10:59, 7 March 2024
- In QtCreator go to and fill Project name. Choose something which allows you to recognize these files easily, e.g. not just <tt>grass</tt>. ...5 KB (827 words) - 15:02, 23 May 2017
- The Ruby language can be easily used to write scripts that execute GRASS commands with this gem: ...e how to write a Ruby program that executes GRASS commands. You won't need to start GRASS explicitly, ...4 KB (638 words) - 19:41, 26 July 2015
- A group of people contributing or interested in contributing to GRASS GIS met on December 19, 2015 at the Hunt library, which is a quite in * How tickets work, example: [https://trac.osgeo.org/grass/ticket/2750 #2750] ...5 KB (707 words) - 09:23, 20 December 2019
- See also [[Using Eclipse to develop GRASS Python programs]] ...opment. While CVS-support is built in, additional plugins have to included to allow for access of SVN repositories. ...5 KB (528 words) - 12:27, 31 August 2015
- WARNING: Unable to create table <hydro_pointEvent> How to fix that? Check out for ...1 KB (222 words) - 10:11, 2 February 2017
- ...model!? It introduces in fact many problems. Nontopological GIS is easier to use and all popular proprietary GIS desktops like ArcView or Mapinfo use no ...'': Everything is going RDBMS. The only modern and good enough solution is to store all data in relational database. Why do you spend all that time worki ...4 KB (735 words) - 10:17, 4 December 2018
- * Anda dapat melakukan komunikasi langsung dengan pengguna GRASS via [[How to participate in IRC communication|IRC]] * [http://trac.osgeo.org/grass/wiki/HowToTestGrass6 How-To Test GRASS6] - mudah untuk diterapkan dengan GRASS 6.3 dan QGIS ...5 KB (683 words) - 22:02, 13 September 2009
- ''Should be moved to Trac Wiki as a historical document; better name is need.'' - '''Applies to GRASS Version 6 (but only pre 6.4)''' - ...3 KB (398 words) - 02:35, 29 January 2014
- ...have a raster with a series of patches (contiguous areas with same value). How do I isolate the largest patch? '''A:''' You can use {{cmd|r.clump}} to to recategorize the raster map pixels by grouping cells that form physically d ...2 KB (335 words) - 23:11, 2 January 2014
- === Migration of GForge/RT bugtracker to OSGeo Trac === * Date: end of Nov 2007 (needs to be done in 2007) ...10 KB (1,494 words) - 10:09, 30 March 2019
- .../oceanservice.noaa.gov/education/kits/geodesy/welcome.html An introduction to Geodesy] from NOAA <!-- retained the old link as new one seems to lead to a dead server --> ...9 KB (1,348 words) - 16:19, 30 December 2019
- GRASS GIS offers a limited number of student grants for projects related to GRASS GIS ([https://grass.osgeo.org/news/2023_11_09_student_grants_announce == Why to apply == ...7 KB (1,034 words) - 21:29, 24 January 2024
- ...ines fit a surface to a series of points by minimizing the energy it takes to "bend" the surface. You can think of it as stretching a rubber sheet betwee Using this method you can create raster surfaces which, as compared to a simple rasterization method like a sampled TIN, better match the true top ...6 KB (896 words) - 05:50, 30 June 2017
- Emphasis is placed on interoperability and unlimited access to data as well as software flexibility and evolution rate - both added featur * [[Gis_Concepts#How_the_Open_Source_software_development_model_works|How the Open Source software development model works]] ...5 KB (657 words) - 17:59, 12 February 2024
- ...omposes the 3D image into a single PNG file. In time it should be possible to port this functionality into [[NVIZ]] itself. * [http://www.jrsdesign.net/cross_parallel_viewing.html Here is a nice how-to-view article] ...3 KB (366 words) - 10:10, 9 August 2020
- * Możesz skontaktować się z użytkownikami GRASS przez [[How to participate in IRC communication|IRC]] * [[How the Open Source software development model works]] ...5 KB (690 words) - 18:31, 22 August 2016
- == GRASS GIS 7.0 development visualization from 1999 to 2015 with Gource == * Nov 09, 2004: Source code restructuring to get a better directory layout (all other developers waiting...) ...6 KB (741 words) - 16:14, 23 December 2015
- Geoinformatics 2006 is to be held in Lausanne, Switzerland, over September 12-15th 2006 and we offer For each proposal we'll have to write an abstract and submit it ...8 KB (1,140 words) - 15:00, 29 February 2016
- * To save processing later you might want to mask out obvious text and other noise in a paint program first. ...option of using GRASS's r.mapcalc module and other raster analysis modules to simplify the image after import. ''(see below)'' ...5 KB (790 words) - 00:35, 7 December 2011
- This page describes how to well use the projections defined by the French company [http://en.wikipedia ...ncerning conversions between the French projection systems. We will use it to show the problem previously introduced. ...5 KB (851 words) - 11:55, 3 January 2011
- '''A:''' For import, try to find a '''snapping threshold''' for {{cmd|v.in.ogr}} that produces an error ...areas (Landsat pixel size is about 90 square meters). The threshold needs to be empirically determined. ...6 KB (1,018 words) - 13:02, 5 April 2020
- .../cran.r-project.org/package=rgrass rgrass] ''R'' package. The possibility to directly interact with R strongly increases the statistical and geospatial ...objects, i.e., SpatRaster and SpatVector objects that can then be coerced to other types of R spatial objects. ...9 KB (1,403 words) - 19:58, 19 April 2023
- ...earn how to use GRASS GIS with Python to optimize their workflows, and how to leverage the integration of R with GRASS GIS for statistical analysis. ...landscapes for immersive virtual environments. Participants will learn how to prepare data, build physical models and develop workflows so that they can ...10 KB (1,475 words) - 03:35, 9 May 2017
- This tutorial describes how to Create GRASS location using SPEARFISH data to be able create new locations ...5 KB (865 words) - 19:14, 1 February 2013
- === Welcome to the GRASS GIS Users Wiki === ...community provided add-ons programs. In case you wish edit here, you need to register and login first (see top right link). ...5 KB (746 words) - 09:18, 24 April 2024
- ''This page shows extended examples how to run GRASS modules in the winGRASS windows console'' In order to ease the workflow of analysis, several GRASS modules can be invoked at once ...2 KB (403 words) - 19:44, 23 December 2018
- Short introduction how to compile the vtk-grass-bridge: [[Category:Linking to other languages]] ...2 KB (304 words) - 21:36, 30 December 2011
- * How to create an own screencast? See [[Movies#Q:_How_to_create_a_screencast_.28for * Tutorials by Yann Chemin: One document of small tutorials to get started in GRASS GIS and GRASS integration with QGIS. ...4 KB (496 words) - 09:16, 22 October 2017
- * Puteți contacta utilizatorii GRASS în [[How to participate in IRC communication|IRC]] * [[How the Open Source software development model works|Cum lucrează modelul de de ...5 KB (745 words) - 13:30, 6 January 2010
- * Можете контактирати кориснике GRASS-а на [[How to participate in IRC communication|IRC]]-у * [[How the Open Source software development model works|Како функционише развој со ...7 KB (401 words) - 21:46, 13 September 2009
- The following examples demonstrate how basic vector data processing operations, such as overlay, union and clippin ...tor Maps --> Overlay Vector Maps [v.overlay]''. The default tab allows you to select the two vector files (ainput and binput): ...2 KB (320 words) - 09:45, 9 August 2013
- ==== Q: How to construct high-quality MPEG-4 movies (animations) from a series of still fr Encode all .png files in directory to out.avi with 15 frames per second: ...13 KB (2,053 words) - 05:39, 6 September 2019
- ...ng page}} in GRASS source codes. This page contains more advanced tips how to write wxGUI source code. ''Note that this page should be moved to wxGUI documentation and may be split into more pages.'' ...10 KB (1,691 words) - 15:48, 4 March 2015
- ...red, which color tables you are using and what static data you wish to add to the animation. == Brief intro to GRASS GIS temporal framework == ...6 KB (926 words) - 03:28, 30 March 2016
- To geocode '''oblique''' photographs taken with a digital handheld camera, map. The elevation model is required to normalize the terrain ...8 KB (820 words) - 16:29, 10 May 2014
- * Google Summer of Code 2024: We got 4 students! Thanks to mentors! *** People contribute to project's OC (to the sprint through the project). ...3 KB (462 words) - 13:34, 13 May 2024
- ...org OSGeo] project and the [[GRASS_GUI|new GUI in development]] it is time to consider the usability of the program. ...ealing working environment to the new and experienced users to enable them to do their work effectively and without reading tons of documentation and mai ...6 KB (928 words) - 15:37, 4 March 2015
- ...by helping stakeholders untangle complex urban-related challenges related to rapid urban growth. ...s including time-series of UAS, lidar, and Kinect data, and I will explain how this simple, yet powerful method can be implemented in GIS. ...10 KB (1,482 words) - 03:03, 3 March 2019
- ...a kind of flow direction or aspect, but what is the physical meaning, and how can I calculate it?'' ...e physical meaning is movement direction in degrees CCW from East, similar to e.g. flow direction output of {{cmd|r.watershed}}. The direction map is an ...3 KB (429 words) - 10:01, 4 December 2018
- =Watching how grass-dev develops (and grass-user is used)= ==How source data was collected== ...10 KB (1,446 words) - 16:40, 25 April 2024
- * Potete contattare molti utenti GRASS in [[How to participate in IRC communication|IRC]] * [[How the Open Source software development model works|Come funziona il modello d ...5 KB (806 words) - 09:08, 12 May 2013
- '''Q:''' How can maps be georeferenced in GRASS? With those you use the georectification tool (from the File menu) to add the GCPs. Click on the image at a point you know the GPS position for, ...4 KB (634 words) - 15:09, 10 November 2021
- ...for the GRASS GIS community, hands on advice from the Zenodo helpdesk how to do the task and strategic information about future development paths, as th ...archiving of digital content, including software. Every user can uplaod up to 50Gb of digital scientific content. ...14 KB (2,290 words) - 08:45, 5 February 2024
- = Externalize 3d GRASS outputs to Blender= ...ewarding for the data producer... but transferring digital data from GRASS to Blender is a bit tricky. ...4 KB (713 words) - 20:26, 5 May 2014
- ...ge instead of using the command line or a GUI. One way - among others - is to execute them out of a php script. In the following, a few notes how to procceed for writing your own code: ...8 KB (1,327 words) - 12:41, 1 April 2009
- ...gis.org QGIS]. The recipes can be tried in any order but it is recommended to go through the ''Getting started'' section first. Each recipe can be reprod ...]] available since 2012 which offers a simplified integration with respect to the toolbox explained here.'' ...12 KB (1,972 words) - 05:44, 6 July 2017
- This page aims to ...ices of processing big geospatial data, common mistakes and errors and how to work-around them ...3 KB (400 words) - 14:17, 19 February 2024
- ...sed on service GetCapabilities response. The parameters and the layers are to be displayed are extracted out of the xml response. ...vailable features for a particular layer. Thw WX-GUI is to be modified and to be integrated with the WMS services. ...10 KB (1,609 words) - 12:16, 18 April 2012
- == Using Anaconda to Create a Binary Mac App for GRASS == ...also need to install Apple's '''XCode''' and the '''command-line tools''' to compile sofware. This workflow can be used with MacOS 10.14 and 10.15. It m ...8 KB (1,216 words) - 09:35, 23 July 2020
- ...are one option how to interact with GRASS GIS (at the figure) the other is to touch it (''Using GRASS GIS through Python and tangible interfaces'')]] ...e will be opportunities, however, to discuss more advanced topics tailored to individual interests in breakout sessions during the workshop. Participants ...11 KB (1,691 words) - 13:35, 9 May 2016
- ...0px|thumb|right|Spatio-temporal Modeling with Open Source GIS: Application to Urban Growth Simulation using FUTURES]] ...e.org/workshops Spatio-temporal Modeling with Open Source GIS: Application to Urban Growth Simulation using FUTURES]'', US-IALE 2016 Annual Meeting, Apri ...5 KB (781 words) - 23:09, 27 February 2017
- ...entation for first time users] and come to discover, we will introduce you to GRASS GIS. If you are interested, please contact us. ...ed to subscribe to keep yourself up-to-date about local activities related to FOSS. Check also our [https://github.com/gfoss-jrc/mainrepo/wiki wiki]. ...4 KB (632 words) - 08:53, 19 October 2016
- '''Q:''' How can I find Cygwin packages to Install GRASS 6? ...packages that are required before installing GRASS. They can be difficult to find because the Cygwin installer lists packages by category, rather than a ...2 KB (317 words) - 20:35, 14 March 2012
- Script to facilitate the creation of GRASS GIS manual pages in various languages: # Tool to facilitate building GRASS GIS manual pages in your language, ...12 KB (1,603 words) - 00:40, 29 February 2012
- ...this wiki, to combine vectors across the edges. It can take quite a while to complete. ** ogr2ogr as an alternative to v.proj ...4 KB (571 words) - 03:35, 5 November 2014
- ...glish. The GRASS Development Team is seeking translators. Please subscribe to the dedicated mailing list at ...issues may be discussed there. This is an opportunity for non-programmers to contribute as messages can be easily translated. No programming skills requ ...13 KB (1,923 words) - 16:31, 9 October 2023
- ...o build a mosaic of Europe and import it in GRASS. A nice reference on how to deal with ASTER GDEM is [[ASTER_topography | here]]. The very first step is to select among the >22000 files those covering our area of interest (Europe). ...8 KB (1,256 words) - 14:00, 7 December 2022
- Q: I get a message ''"ERROR: G_realloc: unable to allocate 52980000 bytes of memory at lib/vector/diglib/cindex.c:113"'' or s ...available. The amount available to malloc() etc will be somewhat lower due to reservations for the kernel, stack, etc. ...3 KB (553 words) - 12:22, 2 October 2016
- In recent years, many DBMS have learned to store and manage spatial data directly. Clearly, *use external front-ends to ease entry of attribute data while managing geometries in the GIS ...7 KB (1,100 words) - 05:32, 19 May 2014
- == How the Open Source software development model works == * D. Rocchini, M. Neteler, 2012: Let the four freedoms paradigm apply to ecology. Trends in Ecology & Evolution, Vol. 27, No. 6. (June 2012), pp. 31 ...2 KB (263 words) - 15:27, 22 July 2016
- === Welcome to the GRASS GIS Users Wiki === ...osgeo.org Geographic Resources Analysis Support System], commonly referred to as '''GRASS''', is a Geographic Information System ([http://en.wikipedia.or ...7 KB (951 words) - 20:41, 25 January 2013
- ...develop a wxpython GUI (see [[wxGUI]]) for <tt>r.stream*</tt> that allows to see the preview of the hydrological analysis over a part of a map and then I thought to add in Map display a button that allows to select a point on the DEM that will be the center of the preview. So the re ...10 KB (1,617 words) - 16:11, 26 January 2013
- .../wiki/Vienna_Code_Sprint_2014 Wiki page]). The sprint will be held from 24 to 28 March 2014 in Vienna, Austria.<br> ...written in the C programming language). Other tribes are of course welcome to join this sprint. We hope that "C Tribe" members will give this event speci ...10 KB (1,504 words) - 23:19, 19 February 2016
- ...e assumptions used as transparent as possible. In addition it is important to evaluate the applicability of the method for the particular end use. ...formal survey of every geologist and soil scientist that I know concerning how they store horizon datasets. In addition I have inspected the storage speci ...9 KB (1,509 words) - 00:54, 27 July 2013
- * Wiki moved to: http://grasswiki.osgeo.org/wiki/ (with redirection) ==== Pages to be transferred from old to new Web site ==== ...9 KB (1,268 words) - 20:54, 23 July 2020
- ...er for Python. You can use it for detecting errors in your source codes or to help follow coding standards. However, default Pylint configuration is not == How to use rc file == ...11 KB (1,518 words) - 08:01, 13 July 2013
- ...per and Power User Meeting, aka 'GRASS Community Sprint'''' ''from July 19 to July 22, 2015 (dates are not official yet, just proposed)''. Get together of GRASS GIS project members to take decisions and tackle small and larger problems. ...8 KB (1,260 words) - 23:21, 19 February 2016
- ...e controlling; the lists are not moderated. You must be subscribed to post to the list. * "''Just the facts, ma'am''" - Smaller to the point posts means we can handle a higher rate of traffic with less over ...5 KB (935 words) - 12:16, 10 March 2015
- ...S_NULLS=1 or not defined at all. So, if the user sets GRASS_COMPRESS_NULLS to anything else than 1, Null data will not be compressed. * issues postponed to [[Paris Code Sprint 2016 Agenda]] ...5 KB (610 words) - 11:29, 6 September 2016
- * Transforming a Landsat ETM+ image from DN values to radiance values ...image using the {{cmd|i.atcorr}} module in GRASS GIS and convert radiance to reflectance values ...17 KB (2,316 words) - 13:14, 8 April 2020
- to modify ASCII texts and tables. Often attribute tables are delivered to automate text formatting. ...5 KB (853 words) - 09:06, 12 May 2009
- = How to use Eclipse to develop Python scripts that access GRASS object = ...f choice for developing scripts which access GRASS objects and can be used to automate operations without GRASS running. ...10 KB (1,587 words) - 12:29, 31 August 2015
- ; Where can we get some resources (financial or support) to print the brochures ...ty Marketing Committee], they have a small budget but mostly they can help to coordinate. ...4 KB (670 words) - 21:33, 25 January 2013
- '''MODIS data''' are free geodata and they are crucial to derive ecological indicators. MODIS is flown on two NASA satellite systems, I am facing the challenge to develop a module which will be able to: ...14 KB (2,475 words) - 13:17, 11 April 2012
- ...b Processing Service}} interface standard provides rules for standardizing how inputs and outputs (requests and responses) for invoking geospatial process == Linking to WPS server == ...9 KB (978 words) - 19:09, 7 October 2015
- A Jupyter Notebook is a web application that allows you to create and share documents that contain scripts and code, equations, visual ''(add yours to the list!)'' ...7 KB (1,004 words) - 18:51, 29 September 2023
- ''This page mostly contains ideas to be implemented.'' ...on usage make general population and manager offer today great opportunity to improve Geographic information systems (GIS) role in decision making. It is ...12 KB (1,757 words) - 15:58, 4 March 2015
- ...or GRASS module {{cmd|ps.map}}, and then run this module on the background to create PostScript output directly. See the [http://lists.osgeo.org/pipermai ...e composer is part of core GRASS GIS. To run the composer, it is necessary to have the [http://pythonware.com/products/pil Python Imaging Library] (on so ...5 KB (688 words) - 21:51, 15 December 2015
- == '''Q:''' How to create an elevation profile from intersecting shapefiles == '''A:''' You want to create an elevation profile for a walking track described in one file, when ...5 KB (842 words) - 01:59, 11 February 2016
- ...t regularly in the following year. This is a page to organize meetings and to record what was done or discussed during the meetings. ** porting GRASS GIS 6 addons to 7 (esp. r.surf.vulcano) ...11 KB (1,693 words) - 09:23, 20 December 2019
- Up-to-date compilation instructions are maintained in the source <tt>[http://trac The X11 display system ''is'' included, since it is simple to include and is still quite useful. ...9 KB (1,201 words) - 06:35, 14 May 2020
- ...ted helping folks in dire need really makes our day and keeps us motivated to continue working on the software. ...ls grafted together to create new custom application software lends itself to use in dynamic situations where speed of deployment is key. ...4 KB (644 words) - 21:35, 30 December 2011
- ...ap}} module is quite flexible. This example will demonstrate how to use it to create your own graph paper (free!) and save it into a PostScript or PDF fi ...e the PDFs on this page for you to download directly, but it's easy enough to cut and paste the examples below. ...8 KB (1,356 words) - 20:50, 2 August 2013
- ...l in GRASS, it is definitely possible. This article introduces two methods to do just that: A simple, quick operation will be described that can take pla ...catchment areas are converted to rasters in the following steps. Remember to set the region, etc. in GRASS properly. ...13 KB (2,196 words) - 20:55, 2 August 2013
- ...c Wiki. Once it is finised, the result (not the disscusion) might be moved to GRASS Wiki but better option would be probably manual.'' This page is dedicated to discussion about changes in terminology for GRASS 7. ...6 KB (1,004 words) - 21:39, 24 March 2014
- ...eat occasion for folks to support the development by actively contributing to the source code, manuals or likewise. This code sprint is targeting members ...developers, documenters, bug reporters, translators and others. We'll try to make a major step forward towards a stable GRASS GIS 7 release. ...12 KB (1,810 words) - 23:19, 19 February 2016
- ...munity members to donate time for welcoming new members and introduce them to different projects or guide them through the setup of the development envir ...ibute to one or more projects. The sky is the limit. There’s always plenty to do – and it’s not all about programming. Translation, documentation, feedba ...9 KB (1,384 words) - 08:49, 1 September 2022
- ...versions of GRASS spanning the last 15 years; 해당부분을 relevant content needs to be moved into this Wiki로 이전할 필요가 있다. [''도움 좀please help!'']) ...le and install GRASS and QGIS with GDAL/OGR Plugin]] (e.g., to enable QGIS to read GRASS data directly예, QGIS로 바로 GRASS자료를 입력) ...4 KB (395 words) - 14:00, 24 May 2013
- ...taset (strds) stored in GRASS, import it into R, prepare the data properly to use the Data INterpolation Empirical Orthogonal Functions algorithm ([http ...rth_carolina/nc_climate_spm_2000_2012.zip here]. If not done yet, you need to unzip the file and paste into your GRASS database folder (usually named gra ...11 KB (1,761 words) - 14:26, 22 October 2022
- * Find the best way for GRASS GIS to use PDAL. ...e started in terms of code design and/or putting the basic pieces together to test specific usages of API and have a prototype which would conform with t ...4 KB (604 words) - 04:13, 17 May 2019
- ...to assign attribute columns to the forward and backward direction. To see how a vector is directed, use the "display" parameter of {{cmd|d.vect}} (set d Use [[Turntable]] to assign costs to turns on the network. ...5 KB (722 words) - 12:21, 28 February 2019
- * [[Gis_Concepts#How_the_Open_Source_software_development_model_works|How the Open Source software development model works]] * [[How to participate in IRC communication]] (#grass, #osgeo, #gdal, #qgis, #mapserve ...5 KB (277 words) - 18:11, 20 May 2013
- ...er) table with OpenOffice-Calc, select and copy the full table or a subset to the clipboard, and simply paste it into OpenOffice-Base with the right mous ...esql-sdbc-X.Y.Z.zip driver (take the "recommended" file) and save the file to your disk. ...11 KB (1,761 words) - 09:07, 14 September 2015
- ...ing, and maintaining a set of commands which perform specific, from simple to complex, tasks. It is fairly easy to write a GRASS job as Shell script which launches GRASS, does the operation ...9 KB (1,542 words) - 23:16, 19 May 2013
- ...Petrasova, A., 2015: [https://github.com/wenzeslaus/python-grass-addon How to write a Python GRASS GIS 7 addon]. Workshop at [http://europe.foss4g.org/20 ...3 KB (403 words) - 14:59, 29 February 2016
- '''Question''': How to change map/image projections, datums, etc in GRASS GIS? * vector maps: lines and polygons need to have a sufficiently high amount of vertices which is not guaranteed, hence ...5 KB (828 words) - 07:36, 24 April 2023
- ...ement systems (DBMS). In this short section, we try to give an overview on how GRASS matches map features and attributes. ...ith various crops, (ii) a set of owners for these parcels, and (iii) paths to access them. The latter are determined by limits between contiguous fields. ...10 KB (1,585 words) - 07:37, 10 October 2023
- Collection of material to promote the GRASS project ...GRASS Web site evolution] from plain HTML to HTML/PHP with RSS integrated to hugo maintained in git) ...6 KB (756 words) - 10:03, 14 October 2022
- * [[How the Open Source software development model works]] * You can contact GRASS folks in [[How to participate in IRC communication|IRC]] ...14 KB (2,010 words) - 13:05, 17 February 2022
- ...ine. Some editors integrate some of these tools. Generally, all tools need to be run from a GRASS session. Checks the basic correctness and style of Python code according to [http://www.python.org/dev/peps/pep-0008/ PEP 8 -- Style Guide for Python C ...6 KB (897 words) - 08:22, 17 October 2023
- ...en in Tcl/Tk could be replaced by completed wxNviz in GRASS 7. The plan is to add missing features like animations or cutting planes and additionally imp to be removed in GRASS 7 and still waits for its completed successor. ...10 KB (1,396 words) - 09:36, 26 September 2011
- The aim of this tutorial is to show how to create, manipulate and An organization provides information about routes to be driven ...8 KB (1,171 words) - 00:36, 7 December 2011
- ...the size of a deck of cards. It runs on a low power ARM processor similar to one used in a smart phone or tablet. Technically it's a ARM v6 SoC chip ori ...ng in all of the user documentation and the development environment needed to install GRASS [[AddOns]]. ...9 KB (1,536 words) - 21:21, 25 October 2013
- ...did not fully succeed in parts of the community. There are now new efforts to establish a wider umbrella GFOSS Foundation. However, it makes sense to talk about a wider *umbrella* foundation to ...6 KB (829 words) - 10:46, 3 January 2017
- * [http://trac.osgeo.org/grass/wiki/HowToContribute How to contribute to GRASS development] (Schreibzugang bekommen) ...5 KB (700 words) - 18:53, 2 August 2017
- ''If you wish to use both GRASS GIS and ArcGIS together, this page is for you.'' ...IS_Tasks|tools]] for projecting vector and raster layers from one location to another. Use of these tools is explained in the {{cmd|projectionintro|manua ...7 KB (1,119 words) - 05:02, 22 July 2016
- '''PostGIS Topology''' allows to store topological vector data in [[PostGIS]] database. It's available in '' Additional topological data related to nodes, lines, areas, and isles are stored in separated tables, see figure b ...15 KB (1,952 words) - 21:55, 6 November 2017
- * [[GRASS migration hints|Migrating to GRASS]] * [http://trac.osgeo.org/grass/wiki/HowToContribute How to contribute to GRASS development] (getting write access and such) ...6 KB (597 words) - 19:47, 29 October 2014
- ...cells that drain into one of the batch points. Here we'll demonstrate how to get similar results with GRASS GIS 6. #set the region to the dem raster, and run the r.watershed module. ...10 KB (1,737 words) - 11:25, 5 April 2021
- ...to assign attribute columns to the forward and backward direction. To see how a vector is directed, use the "display" parameter of {{cmd|d.vect}} (set d Use [[Turntable]] to assign costs to turns on the network. ...5 KB (726 words) - 10:00, 4 December 2018
- ...ng on your platform. During a full compilation you may need temporarily up to 150MB including the source code. Save the downloaded installer (consider to keep it for future updates) and run it as an ''administrator''. ...7 KB (1,009 words) - 21:06, 15 December 2020
- ...ss.osgeo.org/support/ the official support page] which also includes links to commercially provided support. * Subscribe to the grass-users [https://lists.osgeo.org/listinfo/grass-user maillist] ...6 KB (881 words) - 11:18, 1 February 2016
- This tutorial is prepared to present possibilities for integration GRASS GIS with SAGA. The current vers ...-gdal plugin]] correctly compiled before SAGA compilation. It is important to check before SAGA configuration of wxWidgets installation: is or not is com ...12 KB (1,735 words) - 18:59, 28 April 2013
- Get together of GRASS GIS project members to take decisions and tackle small and larger problems. For this meeting, we welcome people committed to improving the GRASS GIS project. This includes developers, documenters, bug ...6 KB (836 words) - 19:39, 24 July 2017
- ...h that. Alternative: use "[[Compiling on MacOSX using homebrew|homebrew]]" to install GRASS GIS. This is no longer a problem in binaries created for vers ...ir Python. A guess is that their python is 64bit-only, and GRASS is trying to run python 32bit because it couldn't find a 64bit wxpython because 64bit wx ...5 KB (835 words) - 23:03, 23 April 2020
- ...ome people committed to improving the GRASS GIS project and the interfaces to [[QGIS GRASS Cookbook|QGIS]], [[GDAL]], [[PostGIS]], [[R statistics]], [[GR For this meeting, we welcome people committed to improving the GRASS GIS and related projects. This includes developers, doc ...6 KB (867 words) - 10:41, 10 February 2017
- ...a general way. If you just want to write a script to run in GRASS GIS, go to [[GRASS Python Scripting Library]] wiki page or [https://grass.osgeo.org/gr ...leton help page can be generated automatically. In addition, it adds links to the GRASS message translation system. The library for "scripting" is "grass ...18 KB (2,784 words) - 08:20, 8 December 2020
- ...ue_Marble}} photo of Earth was taken by the crew of Apollo 17 on their way to the moon in 1972. : ''90N to 90S = 180 degrees = 10800 minutes = 21600 1/2 minutes'' ...6 KB (973 words) - 14:15, 31 December 2020
- '''''More to come''''' ...real shame because lives depend - in a very real way - on universal access to good chart data. My frustrated take (rant?) on the matter: ...10 KB (1,580 words) - 05:32, 15 December 2014
- This page is about work related to GRASS GIS presented at IALE - North America 2021 Annual Meeting, Virtual, A ...k opportunities and broadband advances are spurring the next wave of urban-to-rural migrants. Temporally dynamic insights fulfill a growing need in rapid ...12 KB (1,711 words) - 01:12, 27 April 2021
- ...mented now. Maybe it is more a historical document but this does not apply to Open issues section.'' ...ion each time. This could also lead to modules to help with interpolation to deal with missing values, etc. ...12 KB (1,769 words) - 15:08, 28 January 2016
- compatibility may be broken, you have to migrate your database to It is important to regularly release stable versions to get them included into ...7 KB (929 words) - 15:18, 13 May 2022
- === Add JSON output to different GRASS tools in C === === Add EODAG support to GRASS GIS === ...15 KB (2,322 words) - 16:13, 13 May 2024
- * [[Development#Linking GRASS to external languages|Повезивање GRASS-а са другим програмским језицима]] * [[How to interpolate point value using kriging method with R and GRASS 6|Како интерп ...5 KB (215 words) - 20:25, 17 September 2009
- ...athogen Spread) Core library. In this tutorial we will use it specifically to model the spread of Sudden Oak Death tree disease. This tutorial shows how to run the model. You can download the [http://fatra.cnr.ncsu.edu/pops/data/Po ...17 KB (2,521 words) - 20:35, 7 September 2020
- ...However, when using standardized names like ''elevation'' there is no need to change the instructions as long as the dataset is standardized as well. There are limits to what can be dataset independent in the instructions. For example, a setting ...9 KB (1,419 words) - 02:27, 13 January 2016
- ...hat in GRASS GIS, one vector map can have different layers which are a way to associate the geometry features in the vector map with different sets of at ...ve to be concerned about. In GRASS GIS, the term category (often shortened to cat) is used with both raster and vector maps. ...7 KB (1,252 words) - 03:37, 8 September 2016
- * [http://trac.osgeo.org/grass/wiki/HowToContribute How to contribute to GRASS development] (getting write access and such) ...6 KB (892 words) - 18:49, 2 August 2017
- ...ata v5.0 at 4km resolution is available for 1985-present. (interim data up to the end of last year anyway; at the time of writing 2006 was the most recen ...-sst" and "*-qual" files). During processing we will use the quality layer to mask the raw data for valid pixels. ...7 KB (1,136 words) - 15:04, 20 December 2012
- There are different ways to register maps in stds (space-time data set) with {{cmd|t.register}}. The be If you need/have data at regular ''intervals'' instead, you also need to set the -i flag along with start time. The -i flag and the increment option ...8 KB (1,289 words) - 12:36, 29 December 2020
- This page is about work related to GRASS GIS presented at NCGIS2021 (NC GIS 2021 Virtual Conference, North Car ...a, it's possible to quickly fill voids using GRASS GIS raster methods, and to identify areas where the technique does not work well and further work is n ...5 KB (700 words) - 18:42, 22 April 2021
- This page is about work related to GRASS GIS presented at NCGIS2019, Winston-Salem, North Carolina, USA in Feb ...S community provides to the public and will highlight the latest additions to GRASS GIS. These include improvements in import and handling of vector data ...14 KB (2,064 words) - 16:48, 11 February 2021
- ...features in the GRASS digitizer {{cmd|v.digit}}. This section will attempt to offer a few tips and clear up this issue. Much has already been written exp ...e taken from the polygon attribute table. This fact might seem so obvious to shapefile users that they would wonder why it needs mentioning. ...10 KB (1,660 words) - 02:21, 1 February 2016
- ...the population count, the sum of all pixel values in a given area is equal to the area's population count with the area's population concentrated on the ...or|v.class.mlpy|version=7}} classifies vector features. It is an interface to the [http://mlpy.sourceforge.net mlpy library] (Machine Learning Python). C ...7 KB (1,085 words) - 07:25, 25 June 2020
- ...cript & backgrounding. WARNING: not all GRASS modules and scripts are safe to have other things happening in the same mapset while they are running. Try # stall to let the background jobs finish ...7 KB (1,169 words) - 19:50, 27 December 2023
- For information about scripting for GRASS, please refer to the page [http://grasswiki.osgeo.org/wiki/Shell_scripting Shell scripting]. This section applies to jobs which shall set the entire GRASS environment. ...10 KB (1,559 words) - 13:29, 29 March 2021
- ...ranularity (i.e.: astronomical seasons) and apply or copy this granularity to aggregate data in our time series of interest. This is an example showing the use of {{cmd|t.rast.aggregate.ds}} to aggregate a daily time series using a source time series with seasonal gran ...11 KB (1,132 words) - 22:24, 16 November 2015
- ...main GRASS website SVN help pages many, complex, and confusing. So trying to start over here with a more concise help page''] ...code changes in a central spot and handles all the accounting work needed to cleanly handle version numbers and change history. ...10 KB (1,518 words) - 10:30, 9 February 2013
- The location wizard enables to create a new location in a few simple steps. It provides a number of ways to set the map projection: from a geodata file (SHAPE, GeoTIFF etc), using an ...10 KB (1,603 words) - 07:22, 10 October 2023
- = How-to for Updating GRASS Manual Pages = The easiest way to do this is to study an existing HTML page ...17 KB (2,772 words) - 22:22, 6 October 2018
- ...with them can not be quantified. A more robust way of inverse modeling is to combine the model and assimilate data with optimization algorithm. Thus, the challenge for the future is to obtain besides the more direct observable data (land cover, leaf area index ...10 KB (1,435 words) - 07:47, 1 March 2012
- ...r-friendly WxGUI front end for vector network analyses. Additional goal is to improve functionality of Attribute Table Manager. ...[[WxGUI]] front end for vector network analysis tools. Additional goal is to improve functionality of [http://grass.osgeo.org/grass70/manuals/html70_use ...10 KB (1,417 words) - 01:12, 27 July 2013
- ...nshots of GUI may be outdated, however the rest of the tutorial is updated to work with GRASS GIS 7.8. ...run [http://wiki.openstreetmap.org/wiki/Overpass_API Overpass API] queries to obtain ...32 KB (5,078 words) - 18:10, 14 September 2020
- ...Ls or [[Special:Upload|upload images]] directly to the wiki or upload them to the [http://svn.osgeo.org/grass/grass-addons/screenshots/ SVN addons reposi '''Note that all screenshots are to be licensed under the [http://creativecommons.org/ Creative Commons] [http: ...10 KB (1,590 words) - 16:00, 9 November 2013
- == How to cite GRASS GIS == ...ddons, you can simply use "grass-stable" in the URL which is auto-expanded to the latest version (e.g. grass82/). Like this the latest addon version is f ...8 KB (973 words) - 08:48, 5 February 2024
- ...d to remove, areas smaller than treshold, reclass according areas (similar to r.reclass area, but work in cells, not hectares and allow create more class ...ed GRASS GIS hydrodynamic 2D model that allows to obtain flooding area due to a failure of a dam, given the geometry of the reservoir and of the downstre ...16 KB (2,410 words) - 07:29, 25 June 2020
- This page explains how to effectively work with external raster and vector data in GRASS 7. See also To link file-based data formats, eg. GeoTiff ...9 KB (1,357 words) - 09:15, 8 May 2018
- ...guide for people who want to migrate from ArcGIS to GRASS GIS or just want to learn GRASS GIS and are already familiar with ArcGIS.'' ...aster data there is for example the {{cmd|r.external}} module which allows to link (rather than import) and use data in different formats as long as they ...22 KB (3,667 words) - 17:52, 26 February 2016
- Is an empirical model to estimate areas involved by the diffusion of the debris. It uses a Monte Car * {{AddonCmd|r.inund.fluv}} - allows to obtain a fluvial potentially inundation map given a high-resolution DTM of ...8 KB (1,143 words) - 22:15, 16 March 2021
- ...t>: [[image:Fiducial_125.png]] (use 45 degree symbol rotation if you wish to align ticks with grid lines) ...tecolumn'' instruction; to make open symbols set the fill color to 'none'; to make a double sided dip symbol draw the same symbol twice with 180 rotation ...11 KB (1,489 words) - 05:17, 11 July 2018
- == Introduction to this document == ...s in the core of the GRASS GIS C source code there are many different ways to develop with and for GRASS GIS. This document aims at clarifying the role o ...22 KB (3,382 words) - 19:40, 31 August 2020
- '''March 2009: This page is open to contributions - please edit!''' ...e] 2009. Here we will list project ideas and and other information related to the GRASS GSoC projects. ...12 KB (1,795 words) - 04:27, 6 February 2014
- ...RASS'' is a library that extends the GRASS GIS capabilities to allow users to access the low-level GRASS API. == How to test library == ...17 KB (2,568 words) - 21:30, 1 December 2023
- The purpose of this page and related efforts is to provide GRASS GIS with a relevant, well tempered graphical identity. Severa Everybody is encouraged to create new designs either for the main GRASS GIS graphics such as splash sc ...11 KB (1,610 words) - 02:36, 18 September 2018
- ...e] 2010. Here we will list project ideas and and other information related to the GRASS GSoC projects. : Registering your application early (before the deadline) allows us to give you feedback for revisions before the final deadline, enhancing your p ...10 KB (1,553 words) - 14:47, 27 June 2014
- ...At-sensor spectral Radiance values are an important input for the equation to derive Reflectance values. Note, ''Spectal Radiance'' is the measure of the * Converting DNs to at-sensor Radiance can be done by using the following equation: ...21 KB (2,939 words) - 10:05, 4 December 2018
- The idea of parallel GRASS GIS jobs is to speed up the computation. ..., but only if the region is untouched. If you are unsure, it's recommended to launch each job in its own mapset within the location. ...11 KB (1,754 words) - 19:43, 27 December 2023
- Get together of GRASS GIS project members to take decisions and tackle small and larger problems. For this meeting, we welcome people committed to improving the GRASS GIS project. This includes developers, documenters, bug ...10 KB (1,444 words) - 09:40, 20 September 2017
- * [[How to participate in IRC communication|Како учествовати у ИРЦ комуникацији]] (#gr ...6 KB (237 words) - 21:14, 26 August 2009
- ...models from Unmanned Aerial Systems (UAS) imagery, it has become possible to precisely map overland flow patterns. Furthermore, the process has become m ...topography and interact with simulated processes with their hands in order to make observations, generate and test hypotheses, and make inferences about ...16 KB (2,298 words) - 09:27, 28 September 2016
- ...} directory of GRASS GIS 7 contains a series of examples actually provided to the end users (while the script in GRASS GIS 6 are shell scripts). ...Bash scripts to Python]] if you have some Bash scripts you want to rewrite to Python. ...39 KB (5,610 words) - 20:40, 23 November 2022
- This tutorial shows how to prepare data and run the model. You can download [http://fatra.cnr.ncsu.edu ...knowledge of GRASS GIS. If you haven't used GRASS GIS before, you may want to first go through some of the introductory tutorials or alternative workshop ...23 KB (3,298 words) - 08:38, 6 September 2023
- The following hints assume to work on a working-copy of the [https://github.com/OSGeo/grass GRASS GIS sou Additionally it is good to have set the debugging symbols during compile-time. Do not strip the librar ...24 KB (3,961 words) - 18:30, 27 August 2022
- How to activate it with GCC >= 4.2 (compiler flag '-fopenmp' as well as library '- unit Choose the unit tests to run ...11 KB (1,648 words) - 10:40, 4 December 2018
- * [http://www.cesbio.ups-tlse.fr/multitemp/?p=1710 How to estimate Aerosol Optical Thickness] ...aproducts.php?MOD_NUMBER=04 MODIS Aerosol Product (MOD04)] could be useful to estimate the visibility for the aerosol model. ...17 KB (2,483 words) - 14:47, 28 July 2016
- ...of basic concepts or the curious ones who want to try the latest additions to GRASS GIS. ...ants should bring their laptops with GRASS GIS 7. Beginners are encouraged to try using the latest OSGeo-Live virtual machine. There are no special requi ...41 KB (6,632 words) - 04:11, 31 January 2021
- ...them all at full resolution and then play them back in a quick slide show to highlight the differences. (Images were created in [[NVIZ]] at 7x vertical ...on to match the contour lines vector map, and then we force the resolution to align with a 1m grid: ...12 KB (2,098 words) - 15:59, 3 June 2015
- It is recommended -- actually it is a necessity! -- to have a look at the documentation explaining [http://www.digitalglobe.com/si * ...''more to add'' ...19 KB (2,541 words) - 13:27, 8 April 2020
- ...many techniques are not yet implemented. The goal of this GSoC project is to implement the region growing image segmentation algorithm. Input: Raster map(s) to be segmented (plus optional vector map for a constraint) ...25 KB (3,914 words) - 08:02, 22 December 2015
- * {{cmd|r.carve}}: Takes vector stream data, transforms it to raster and subtracts depth from the output DEM. * {{AddonCmd|r.traveltime}}: Computes the travel time of surface runoff to an outlet. ...11 KB (1,665 words) - 16:47, 1 March 2024
- In addition, the latitude range is increased to and depth(-) are stored as 2-byte integers to the nearest meter. ...9 KB (1,371 words) - 05:49, 17 July 2019
- * Use the <tt>grdinfo</tt> utility from GMT to check the ''Grid file format''. See the <tt>grdreformat</tt> man page for a : ''Note:'' (in case you missed it) '''r.in.bin -h''' was written to be used with the old style GMT grd format. ...12 KB (2,002 words) - 21:38, 16 June 2016
- ...e] 2011. Here we will list project ideas and and other information related to the GRASS GSoC projects. : Registering your application early (before the deadline) allows us to give you feedback for revisions before the final deadline, enhancing your p ...13 KB (1,900 words) - 17:06, 11 February 2015
- ...eeting'' for contributors and developers will be happening from '''June 14 to June 19, 2024''' in Prague, Czechia. ...If you are interested in sponsoring the GRASS Community Meeting, please go to: ...11 KB (1,505 words) - 07:18, 9 May 2024
- production system. GRASS contains over 400 programs and tools to render maps plotters, digitizers, and databases to develop new data as well as manage ...14 KB (2,511 words) - 12:41, 8 August 2015
- Due to the varieties of MS-Windows versions existing, a series of problems with th If GRASS GIS graphical user interface fails to start with error which ends like this: ...12 KB (1,990 words) - 20:24, 15 November 2019
- [[Image:community_sprint_genova2013.png|center|640px|thumb|Thanks to '''Sonia Bertolone''' for the logo]] ...n the right the [http://en.wikipedia.org/wiki/Mortar_and_pestle ''murtà''] to prepare [http://en.wikipedia.org/wiki/Pesto ''pestu''] ...13 KB (1,862 words) - 23:57, 19 February 2016
- ...e] 2008. Here we will list project ideas and and other information related to the GRASS GSoC projects. * {{done}} Community bonding time (getting to know the students) ...15 KB (2,389 words) - 04:25, 6 February 2014
- ...:Vector network GUI GRASS 72.png|300px|thumb|right|''From GRASS GIS novice to power user:'' GRASS GIS graphical user interface showing Vector Network Ana === From GRASS GIS novice to power user === ...13 KB (1,860 words) - 01:06, 21 August 2017
- ...7. This workshop introduces GRASS GIS and processing capabilities relevant to landscape ecology. ...nshots of GUI may be outdated, however the rest of the tutorial is updated to work with GRASS GIS 7.8. ...40 KB (6,327 words) - 18:08, 14 September 2020
- ...hrough Python and tangible interfaces* held in Raleigh May 2, 2016 - 09:00 to 13:00. It was partially updated and used in classes at NCSU. ...GRASS GIS modules and develop custom algorithms using a Pythonic interface to access low level GRASS GIS library functions. We will also review several t ...33 KB (4,996 words) - 19:11, 2 February 2021
- ...ntroduction in Principal Components Analysis (or Transformation) that aims to: * address numerical accuracy issues with respect to the default implementation of PCA in GRASS through the ''i.pca'' module. ...27 KB (3,020 words) - 15:00, 28 December 2014
- ...ation expenses for GRASS developers with far arrival If you are interested to sponsor the GRASS Community Sprint, please read about ...da|Martin Landa]]. Any surplus at the end of the event will be turned over to the GRASS GIS project. ...10 KB (1,362 words) - 08:58, 23 May 2019
- ...e 2012]. Here we will list project ideas and and other information related to the GRASS GSoC projects. * Assign Mentors to Ideas ...16 KB (2,394 words) - 03:49, 19 December 2015
- * Space time raster datasets ('''strds''') are designed to manage raster map time series. Modules that process strds have the naming p * Space time 3D raster datasets ('''str3ds''') are designed to manage 3D raster map time series. Modules that process str3ds have the nami ...47 KB (7,425 words) - 17:55, 20 December 2022
- * A nice summary of the progress to date, written by Jachym Cepicky: Do you want to help with the development? ...25 KB (3,438 words) - 19:03, 14 April 2021
- ...2016 workshop ''Spatio-temporal Modeling with Open Source GIS: Application to Urban Growth Simulation using FUTURES'' held in Asheville April 3, 2016. Th ....0.0 FUTURES v2] was released January 2020</big> (this workshop is updated to FUTURES v2) ...50 KB (7,481 words) - 21:24, 23 January 2020
- ...[https://en.wikipedia.org/wiki/Copernicus_Programme Copernicus Programme] to perform terrestrial observations in support of services such as forest moni * Systematic global coverage of land surfaces from 56° S to 84° N, coastal waters, and all of the Mediterranean Sea ...32 KB (4,993 words) - 13:50, 17 February 2021
- ...SS GIS. Again, only the calculations for band 1 are shown, and the numbers to be changed for the other bands are indicated in red. The 'icnd_lsat1.txt' c ...aproducts.php?MOD_NUMBER=04 MODIS Aerosol Product (MOD04)] could be useful to estimate the visibility for the aerosol model.'' ...9 KB (1,439 words) - 18:34, 28 November 2013
- ....0.0 FUTURES v2] was released January 2020</big> (this workshop is updated to FUTURES v2) There are a number of software requirements to run FUTURES that will need to be download and installed. Required software includes: ...53 KB (7,920 words) - 13:39, 30 March 2022
- ...land use map for non-commercial use. The Minimum Mapping Unit (MMU) is set to 25 hectares. Various documentation and reports (methodology, nomenclature, ...on [see Raster data section below]. Nevertheless, there is the possibility to get specific tiles using the wget tool under linux. ...11 KB (1,617 words) - 03:47, 2 July 2019
- The reason for starting this Howto is the fact that it's very hard to therefore, is to do something about that, so it will be easier to ...57 KB (7,187 words) - 17:12, 9 February 2018
- ...nd Power User Meeting, aka 'GRASS GIS Community Sprint'''' from '''July 12 to July 18, 2013'''. The sprint is following the [http://geoinformatics.fsv.cv ...ome people committed to improving the GRASS GIS project and the interfaces to [[QGIS GRASS Cookbook|QGIS]], [[GDAL]], [[PostGIS]], [[R statistics]], [[GR ...16 KB (2,376 words) - 23:55, 19 February 2016
- ...per and Power User Meeting, aka 'GRASS Community Sprint'''' from '''May 23 to May 28, 2012'''. The sprint is following the [http://foss4g-cee.org/ FOSS4G ...ome people committed to improving the GRASS GIS project and the interfaces to [[QGIS GRASS Cookbook|QGIS]], [[GDAL]], [[PostGIS]], [[R statistics]], [[GR ...16 KB (2,418 words) - 23:54, 19 February 2016
- At the conclusion of this session, you will be able to: * Link external raster elevation data to the Location ...32 KB (5,405 words) - 21:51, 23 September 2018
- The idea is: extend the python GRASS API to make it more pythonic<ref>http://www.ing.unitn.it/~zambelli/projects/pygras I would like to have the ability to call GRASS as a normal Python library outside GRASS environment:: ...40 KB (5,278 words) - 21:22, 27 May 2013
- ...mpilation") for different operating systems. If you just want to get ready-to-use binaries, go [https://grass.osgeo.org/download/ here], otherwise read o == How to do compilation and installation of GRASS GIS? == ...61 KB (7,603 words) - 09:01, 10 January 2024
- The module {{AddonCmd|r.basin}} has been designed to perform the delineation and the morphometric characterization of a given ba Please note that it is designed to work only in projected coordinates. ...17 KB (2,387 words) - 10:02, 10 August 2017
- == API to access algorithms in modules == ...better expose the "knowledge" which is contained at module level. We want to have it accessible via API, exposed in various programming languages such a ...28 KB (4,409 words) - 21:04, 23 May 2019
- Using the TGRASS GIS API to create spatio-temporal vector and raster algebra to process massive vector and raster datasets based on their spatio-temporal r ...s. Therefore a spatio-temporal vector and raster algebra is needed and has to be implemented into GRASS7. ...29 KB (4,404 words) - 16:00, 26 August 2014
- ...ate scripts and programs as GRASS modules which means that your don't have to bother with setting up the environment since the GRASS module should be alw ...tp://grass.osgeo.org/grass78/manuals/variables.html environment variables] to be set. In fact a "GRASS session" is just a set of processes (e.g. a shell ...26 KB (3,839 words) - 07:30, 22 July 2022
- ...oper and Power User Meeting, aka 'GRASS Community Sprint'''' ''from May 20 to May 25, 2011''. Get together GRASS project members to make decisions and tackle larger problems. ...18 KB (2,655 words) - 23:54, 19 February 2016
- Here we explain the procedure to compile GRASS from SVN, but it also applies to official GRASS 6 releases. ...if you want to have DBMS support in GDAL (subsequently in GRASS) you have to perform the "Optional" steps below as well.'' ...43 KB (5,778 words) - 18:55, 18 July 2013
- ...une 6, 2023''' to celebrate GRASS GIS '''40th birthday''' (by contributing to GRASS GIS of course). ...ct and the interfaces to QGIS, GDAL, PostGIS, R, OGC Services and desiring to '''celebrate with us the 40th GRASS GIS birthday!!''' ...22 KB (3,102 words) - 21:01, 14 August 2023
- ...manual way described below unless you know ''what'' and ''how'', you want to learn and help testing.'''</span> # be sure to have an updated system ...36 KB (4,698 words) - 18:17, 12 March 2024
- ...cts. We will go through several terrain 2D and 3D visualization techniques to get more information out of the data and finish with vegetation analysis. Requirements: This workshop is accessible to beginners, but some basic knowledge of lidar processing or GIS is helpful f ...55 KB (8,966 words) - 03:13, 2 May 2018
- ...most complete, consistent global digital elevation data yet made available to the world."'' ...rc-second''' (approximately '''30–m at the equator''') grid and referenced to the 1984 World Geodetic System (WGS84)/ 1996 Earth Gravitational Model (EGM ...43 KB (6,439 words) - 21:50, 10 July 2023
- ...ustering of point data at different neighborhood radii. There is an option to create a simple line graph of the results. There have been reports of probl ...point data coordinates and selected attribute columns to either a file or to the console. ...38 KB (5,977 words) - 21:40, 16 June 2016
- <!-- TODO: rewrite the above to be more how to use it, then the definition --> ...igual a cero. <!-- the other difference might be that SQL where might go to raster attribute table --> ...24 KB (4,146 words) - 20:06, 26 July 2016
- ...le provides a list of GRASS and GIS related terms. The glossary shall help to harmonize translation work of GRASS docs currently hosted at the [http://li ...ta feels about live linking, but on the wiki I've added experimental links to the Babelfish translator for the 6.3 online help pages: ...70 KB (7,733 words) - 23:18, 23 March 2018
- ...zone from Lat/Lon input. Requires [http://www.octave.org Octave] or Matlab to be installed. A shell-only version is [http://dcalvelo.free.fr/grass/utm_wh .../grass/xls2sql.pl xls2sql.pl] reads excel files and outputs SQL statements to be fed into an RDBMS. Both scripts need modules from [http://www.cpan.org C ...75 KB (11,828 words) - 21:41, 16 June 2016
- Back to the main [[AddOns]] {{bullet}} [[AddOns/GRASS 7]] {{bullet}} [[AddOns/GRASS : Tools to calculate home ranges of animals ...96 KB (15,249 words) - 16:09, 25 August 2018