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  • ...ese small gaps. These holes are left in the data for a reason, so check if it is appropriate for your analysis before removing them. Also note that the a The first step is to create a mask of the sea, i.e. the area which it is valid to interpolate over. To do this we overlay a time series of satell ...
    7 KB (1,136 words) - 15:04, 20 December 2012
  • ...ymb-n_arrow4_with_N.png|60px]] (shown with a "N" text element placed above it) g. it can be added to the official GRASS release). ...
    11 KB (1,489 words) - 05:17, 11 July 2018
  • ...g/gdal/wiki/NetCDF_Improvements important bug fixes] in the NetCDF driver, it is strongly recommended to use GDAL version 1.9 or newer.'' ...
    2 KB (367 words) - 00:03, 23 November 2013
  • ...ws up in the Debian archives before the upcoming Ubuntu release is frozen, it is possible to file a request for the Ubuntu maintainers to re-pull the new * make the GRASS 7.0.x package failsave so that it can be activated for daily builds ...
    8 KB (1,145 words) - 09:47, 26 December 2014
  • How to activate it with GCC >= 4.2 (compiler flag '-fopenmp' as well as library '-lgomp' are n * {{Cmd|v.surf.rst}}, {{Cmd|r.sim.water}}, {{Cmd|r.sim.sediment}}, it is available in GRASS GIS 7.4+. ...
    11 KB (1,648 words) - 10:40, 4 December 2018
  • During the [[https://web.archive.org/web/20130323193917/http://gfoss2009.crs4.it/ 10th GRASS GFOSS User meeting] in Cagliari, Italy, a summary ...eventeen-year long archive of communications deserves some description, as it is representative of the effort spent in maintaining a historical record of ...
    10 KB (1,446 words) - 16:40, 25 April 2024
  • ...n in [http://www.qgis.org QGIS]. The recipes can be tried in any order but it is recommended to go through the ''Getting started'' section first. Each re ...Mapset section how to open a mapset). If a recipe has input maps in header it is expected that the maps are displayed in QGIS (you can learn that in the ...
    12 KB (1,972 words) - 05:44, 6 July 2017
  • ...sociate attributes or events to locations or portions of a linear feature. It has been widely used in transportation applications (such as for highways, ...
    3 KB (396 words) - 22:25, 1 February 2014
  • ** Topic 2: Is it ''database, location, and mapset'' or ''project and subproject in a directo ...
    3 KB (351 words) - 16:32, 20 November 2020
  • ...R and GRASS support for this to work. Note, that in this [http://grass.itc.it/start.html example] the maps are first exported to shapefiles. This is no l ...GRASS layers have no names and the layer number is used in DATA. However, it is possible that they do have names. This can happen for example when impor ...
    3 KB (418 words) - 20:42, 15 August 2016
  • ...ontributed back into the GRASS project to the benefit of everyone who uses it. ** It is mainly a coding and documentation event. It is a working session for people who are already participants in the GRASS p ...
    9 KB (1,214 words) - 17:06, 20 November 2020
  • * [http://geodati.fmach.it/gfoss_geodata/libro_gfoss/ Piemonte, Italy] (2012, map names not standardiz ...ommands in case of GRASS GIS, for different locations in the world to make it more interesting and personal to the audience. However, sometimes English n ...
    9 KB (1,419 words) - 02:27, 13 January 2016
  • To load it into GRASS lat/lon location (spherical): Is it even possible to load directly into GRASS? ...
    9 KB (1,371 words) - 05:49, 17 July 2019
  • ...roads in California. Formerly the module <tt>v.cutter</tt> did this task; it has however been replaced by {{cmd|v.overlay}} in GRASS release 6. ...
    3 KB (450 words) - 14:35, 26 September 2017
  • Check that it imported into GRASS ok: ...ncies: '''python-rpy2''' (''needs to be "Rpy2", "Rpy" will not do'' unless it is rpy 2.x), then the following R-CRAN packages: ...
    11 KB (1,146 words) - 18:02, 15 September 2016
  • ...n programming interfaces (APIs) available. For each of the different APIs, it presents typical use cases and introduces the basic logic of the API. For m ...hy Unix philosophy] with the idea that each module does one thing and does it well, even if that thing is trivial, and that real power comes from combini ...
    22 KB (3,382 words) - 19:40, 31 August 2020
  • For each proposal we'll have to write an abstract and submit it ...OSG'05 workshop from Markus and Kristen Perry, material at: http://mpa.itc.it/markus/osg05/ ...
    8 KB (1,140 words) - 15:00, 29 February 2016
  • ...ng its users with an all-in-one tool. GRASS GIS is open source which makes it both free to use but also, for the more adventurous, hackable. This talk wi ...you have already tried running GRASS GIS or whether you are just checking it out. ...
    14 KB (2,064 words) - 16:48, 11 February 2021
  • middle mouse button to define the start of the line profile and click it again to identify the end of ...
    3 KB (445 words) - 13:05, 8 August 2013
  • * Viene presentata nella [[Installation Guide/it|Guida di installazione]] * [http://grass.bologna.enea.it/tutorial/ Five minute program launch tutorial] di Lorenzo Moretti ...
    5 KB (806 words) - 09:08, 12 May 2013
  • Additionally it is good to have set the debugging symbols during compile-time. Do not strip ...ll'' continue to work on these huge datasets, but processing time may make it not worth the while. See [[Memory issues]] for more tips. ...
    24 KB (3,961 words) - 18:30, 27 August 2022
  • ...limit of the underlying filesystem or disk hardware size limit long before it hits its own [http://www.sqlite.org/fileformat2.html internal size limit]. A "raster map" is a data layer consisting of a gridded array of cells. It has a certain number of rows and columns, with a data point (or null value ...
    11 KB (1,603 words) - 14:00, 27 February 2021
  • ...o that users can virtually walk around the modeled landscape and visualize it at a human-scale. Now as users shape topography, draw trees, define viewpoi ...ation, I will demonstrate the FUTURES model giving practical advice on how it is implemented, and instructions on how users can leverage the open-source ...
    10 KB (1,482 words) - 03:03, 3 March 2019
  • == How it works == * /tools: it contains the scripts grassdoclang.sh ...
    12 KB (1,603 words) - 00:40, 29 February 2012
  • ...ontributed back into the GRASS project to the benefit of everyone who uses it. * {{done}}: @DIW-IT: Prepare WLAN-access tix. ...
    10 KB (1,362 words) - 08:58, 23 May 2019
  • ...n Remote Sensing. However, depending on the quality of the acquisition(s), it can be a complex process that does not always offer a great benefit, in ter After downloading of the North Carolina dataset, it must be unzipped into your GIS database. When starting GRASS GIS, select th ...
    17 KB (2,316 words) - 13:14, 8 April 2020
  • It is expected that FOSS field software for archeological and geophysical fiel ...and connect to the mapset, add the GRASS vector layer, and right click on it in the layer list on the left and choose "Save As...". Select spatialite as ...
    8 KB (1,350 words) - 23:34, 28 August 2014
  • ...mean-shift could be difficult to apply to very large images, and elsewhere it was mentioned watershed sees more use in greyscale images. At this point, it seems both variations should be implemented. ...
    25 KB (3,914 words) - 08:02, 22 December 2015
  • ...rtant to make the assumptions used as transparent as possible. In addition it is important to evaluate the applicability of the method for the particular ...lation assignment needs to be capable of operating on integer data so that it can work on ...
    9 KB (1,509 words) - 00:54, 27 July 2013
  • Note that it is also possible to <b>buy a round of beer for the developers with a quick ...ontributed back into the GRASS project to the benefit of everyone who uses it. ...
    16 KB (2,376 words) - 23:55, 19 February 2016
  • ..., for example {{cmd|r.cost}}, {{cmd|r.surf.contour}}, {{cmd|r.watershed}}. It is important to understand which modules are processor bound, and concentra ...retty good at wrapping data over 180 longitude. The vector data isn't, but it should be. This is a great task if by the end of the summer you'd like to b ...
    16 KB (2,394 words) - 03:49, 19 December 2015
  • ...in their script or program and this is what this article discuss. However, it must be noted that the the generally preferred (and easy) way is to create It is possible to access GRASS modules without explicitly starting a "GRASS se ...
    26 KB (3,839 words) - 07:30, 22 July 2022
  • ...the size of a gravity dominated impact crater or the projectile that made it. ...rt/gFlex gFlex] model, which must be downloaded and installed in order for it to work. ...
    16 KB (2,410 words) - 07:29, 25 June 2020
  • Please note that it is designed to work only in projected coordinates. ...etwork, we should choose a pair of coordinates for the outlet belonging to it. Let's choose for example: ...
    17 KB (2,387 words) - 10:02, 10 August 2017
  • ...ption how to interact with GRASS GIS (at the figure) the other is to touch it (''Using GRASS GIS through Python and tangible interfaces'')]] ...ming with GIS. In this talk we will introduce tangible interaction and why it matters for all things spatial, demonstrate a few applications such as disa ...
    11 KB (1,691 words) - 13:35, 9 May 2016
  • ...datum differences are much less than the pixel resolution I'm not sure if it makes a difference which one you chose. The only problematic choice might b Again you can download the entire dataset, but it may be preferable to only download the information for your local area. To ...
    6 KB (973 words) - 14:15, 31 December 2020
  • ...information about Multicriteria Decision Analysis (MCDA) support in GRASS. It has been creating during the 2010 Google Summer of Code application period. ...y to improve Geographic information systems (GIS) role in decision making. It is not a new idea that GIS could play important role in decision making. B ...
    12 KB (1,757 words) - 15:58, 4 March 2015
  • ...e, planting intensity, water stress, biomass, yield and etc. is important. It can contribute to better policymaking, timely countermeasures, optimization ...in practicality, that is, they require a huge amount of processing times. It becomes necessary to introduce methods for using higher processing power su ...
    10 KB (1,435 words) - 07:47, 1 March 2012
  • ...ked, and a skeleton help page can be generated automatically. In addition, it adds links to the GRASS message translation system. The library for "script ...script.setup documentation] and also [[Working with GRASS without starting it explicitly]]. ...
    18 KB (2,784 words) - 08:20, 8 December 2020
  • ...the given location. Pixels with a high value represent locations to which it's unlikely that an insect would migrate. ...migration corridors will ensure efficient and effective use of SIT, making it a viable as well as safe tool for fighting myasis. ...
    9 KB (1,357 words) - 09:31, 4 December 2012
  • Douglas-Peucker Algorithm has very reasonable results, but it is very hard to find(guess) the right value of threshold. Moreover, it is also impossible to simplify each line to (for example) 40%. ...
    18 KB (2,661 words) - 11:40, 4 December 2011
  • ...mentors who may suggest the applicant to modify the proposed topic to make it more suitable for the program or applicant skill set. The final decision on ...
    3 KB (437 words) - 15:23, 11 December 2023
  • : (cs,de,es,fr,hi,it,ja,ko,lv,mr,pl,pt_br,ru,sl,tr,vi,zh). ...
    4 KB (533 words) - 22:06, 13 December 2020
  • ...ution to enable password controlled upload of large files. For this reason it is necessary to provide a dedicated general Free-GIS education server to su ...
    4 KB (496 words) - 09:16, 22 October 2017
  • ...-grass-gui-wxpython.pdf presentation]) ([http://www.grassmeeting2008.unipg.it IX Meeting degli Utenti Italiani di GRASS - GFOSS], February 20-22, Perugia : or read the cats/ file directly, it's already flat ascii. ...
    25 KB (3,438 words) - 19:03, 14 April 2021
  • The generated text file is to be used as file input for {{cmd|t.register}}. It looks like this: ...the data. If you want to compute interactions with other time series, then it makes sense to use time intervals to compute temporal overlapping and inter ...
    8 KB (1,289 words) - 12:36, 29 December 2020
  • ...3'''. The sprint is at the same time of the [http://geomorfolab.arch.unige.it/genova2013/index.php?lang=en XIV Meeting degli Utenti Italiani Grass e Gfos ...ontributed back into the GRASS project to the benefit of everyone who uses it. ...
    13 KB (1,862 words) - 23:57, 19 February 2016
  • ...ed on GRASS GIS, how to use it, how to extend it, and how to contribute to it are organized about once a month in Raleigh, NC, USA. Usual meeting locatio ...
    11 KB (1,693 words) - 09:23, 20 December 2019
  • ...mpeg4) and video will be playable on Windows by standard MS mpeg4 decoder. It may lead to side effects, if MS mpeg4 decoder is buggy. More info: http://w ...standard fallback video format for HTML5 and is moving YouTube content to it. Firefox. Opera, and Google Chrome web browsers support WebM playback out o ...
    13 KB (2,053 words) - 05:39, 6 September 2019
  • 외부에서 그라스 함수를 사용하려면, 다음을 참조하세요. [[Working with GRASS without starting it explicitly]]. ...create a directory named after your extension, then create a Makefile for it, and a HTML man page: ...
    16 KB (1,666 words) - 08:51, 4 June 2013
  • ...pology''' allows to store topological vector data in [[PostGIS]] database. It's available in '''PostGIS 2.0 and later'''. GRASS GIS supports PostGIS Topo ...-04.pdf Working with PostGIS Topology in GRASS GIS] ([http://gis.cri.fmach.it/news/47/15/Seminar-Advances-in-GIS-data-processing-and-management/ Seminar: ...
    15 KB (1,952 words) - 21:55, 6 November 2017
  • ...expose the "knowledge" which is contained at module level. We want to have it accessible via API, exposed in various programming languages such as C, Pyt * vector/v.label.sa see {{trac|1942}} and {{rev|34923}}. It probably shouldn't be dealing with FreeType directly. Glynn suggests using ...
    28 KB (4,409 words) - 21:04, 23 May 2019
  • ...http://pmt.sourceforge.net/pngcrush/ pngcrush] or ''optipng'' can compress it further. ** I do not know, if it suits, but this I got some time ago with pure ps.map [[http://wwwold.fle.cz ...
    10 KB (1,590 words) - 16:00, 9 November 2013
  • ...tial resolution terrain models from Unmanned Aerial Systems (UAS) imagery, it has become possible to precisely map overland flow patterns. Furthermore, t ...is physically manifested so that users can feel it and directly manipulate it – aims to offload this added cognitive work onto the body. We have designed ...
    16 KB (2,298 words) - 09:27, 28 September 2016
  • ...lp expand this page! ''''' <- what is the scope of this page? ''You name it!'' : http://www.gaia-gis.it/spatialite/ ...
    4 KB (554 words) - 10:25, 4 December 2018
  • It will be installed in this directory: ...h_GRASS_without_starting_it_explicitly Working with GRASS without starting it explicitly] ...
    18 KB (2,834 words) - 19:49, 20 February 2016
  • ! bgcolor="#99CCCC" | [http://wiki.gfoss.it/index.php/Traduzioni ITALIAN] | bgcolor="#FFFFFF" lang="it" | &nbsp; ...
    70 KB (7,733 words) - 23:18, 23 March 2018
  • ...is a hybrid Tcl/TK and C application, which makes extending and improving it a very complicated task. GRASS is moving to a new wxPython-based GUI and th ...ght be to "clean and tidy" this library and develop a modular interface to it, i.e. to develop individual GRASS modules to access the 3-D visualization f ...
    15 KB (2,389 words) - 04:25, 6 February 2014
  • Note: this is a single command, please copy-paste it entirely into the terminal: Now compile the source code (this will take some time as it generates binary code from the source code): ...
    36 KB (4,698 words) - 18:17, 12 March 2024
  • ...er information such as material settings, specularity, etc. With this data it is thus possible to simulate lighting, shadows, and so on." ...ell represent the time dimension in a time series of 2.5D raster surfaces. It is possible to make a '''4D''' visualization using the [[NVIZ]] software's ...
    16 KB (2,520 words) - 09:47, 21 April 2022
  • ...sentation of realistic perspectives and 3D augmented geospatial analytics. It leverages natural interaction of Tangible User Interfaces (TUI) and realist ...ormation, such as geospatial patterns of pedestrian density, and visualize it in a meaningful way that can inform urban design or decision making. In thi ...
    12 KB (1,639 words) - 01:42, 18 July 2017
  • ...or more projects. The sky is the limit. There’s always plenty to do – and it’s not all about programming. Translation, documentation, feedback, discussi ...i UniFi in Viale Morgagni 42 -- 44 Firenze ([https://umap.openstreetmap.fr/it/map/foss4g-2022-sites_776000#16/43.7978/11.2472 map]). ...
    9 KB (1,384 words) - 08:49, 1 September 2022
  • When in GRASS, import the map and display it: ...using the icon [[Image:GRASS-Layer-raster-add.png|Add raster map layer]]. It should be automatically displayed ...
    8 KB (1,126 words) - 11:52, 28 December 2016
  • ...nces/announce_grass620.html press release] (best done in [http://grass.itc.it/devel/cvs.php#web CVS Web]) ** also prepare the short [http://grass.itc.it/announces/abstract_grass620.txt abstract] version. ...
    14 KB (2,042 words) - 11:00, 7 February 2013
  • ...''''' and all its dependencies. To use the package, you first need to load it: ...s.ecodiv.earth/toc/grass-r-gbif.html Use R to obtain gbif data] and import it in a GRASS GIS database. ...
    9 KB (1,403 words) - 19:58, 19 April 2023
  • ...bitrary coordinates system into real world projections: {{cmd|v.rectify}}. It also perform 3D transformation (affine and polynomial). Working even with v ...ampo archeologico'', Geomatics workbooks 6 [ [http://geomatica.como.polimi.it/workbooks/n6/list.php PDF] ] ...
    4 KB (478 words) - 10:27, 4 December 2018
  • ...ontributed back into the GRASS project to the benefit of everyone who uses it. ...the Community Sprint and small donations (via [http://www.gfoss.it/ GFOSS.it], the Italian OSGeo chapter) - 1400 Euro ...
    16 KB (2,418 words) - 23:54, 19 February 2016
  • ...POSIX standards like Linux, Mac OS X, Solaris, IRIX, or BSD or MS-Windows. It is also possible to run GRASS in MS Windows by using UNIX translation softw [[Category:Languages/it]] ...
    7 KB (1,026 words) - 07:58, 18 May 2013
  • ...is taken to create the union with vector map C to get the final result D. It represents the default behaviour of left associativity. It should be noticed, that the order in which the operations are performed doe ...
    29 KB (4,404 words) - 16:00, 26 August 2014
  • Elevation data is commonly used in landscape analysis, but it is also quite useful in vegetation analysis. This exercise will walk you t ...North Carolina State Plane NAD83(2011) projection with units feet, so call it bladen_stpft ...
    32 KB (5,405 words) - 21:51, 23 September 2018
  • ...empirical model to estimate areas involved by the diffusion of the debris. It uses a Monte Carlo approach based on wolkers. The outputs are raster estima ...IBI, Cannata M, B. Federici, M. Molinari, 2006, [http://gislab.dirap.unipa.it/grass_meeting/articoli/tsunami_santa_lucia.pdf PDF]. ...
    8 KB (1,143 words) - 22:15, 16 March 2021
  • A ''mapset'' contains map(s), it is a subdirectory of a ''location''. ...eral own mapsets to work in and cannot modify thos of other users), and/or it they are used to organize a project (''location'') by subareas or subprojec ...
    9 KB (1,348 words) - 16:19, 30 December 2019
  • ...r satellite data may be stored in 10 or 16 bits. Having data stored in DN, it implies that these data are not yet the observed ground reality. Such data ...d|r.texture}}: In case of panchromatic maps or limited amount of channels, it is often recommended to generate synthetic channels through texture analysi ...
    16 KB (2,223 words) - 05:02, 2 December 2023
  • When reaching the planetary surface, is it partially reflected in the shortwave by '''Albedo'''. Surface Albedo is the integrated 0.3-3 micro-meters reflectance, it reflects the shortwave energy coming from the sun by 5% on oceans, 15-25% o ...
    12 KB (1,850 words) - 08:01, 18 December 2023
  • * Images can also be inserted in the html help page. See [http://grass.itc.it/grass63/manuals/html63_user/v.voronoi.html v.voronoi] for an example. Note For non trivial modules please provide an example of the command line usage. It is good to have this double as a mini-tutorial, so please use one of the sa ...
    17 KB (2,772 words) - 22:22, 6 October 2018
  • ...aper not permit the scale, ''ps.out'' adjust the scale to a new value that it fit in the paper. ...e ''color'' of the mask area.<br>If a raster map as background is set then it's drawn with a scale white-maskcolor. ...
    21 KB (3,424 words) - 20:49, 2 August 2013
  • ...Como, 30 May 2006 (6h). Introduction to GRASS 6 and QGIS ([http://mpa.itc.it/markus/como2006/index.html Slides PDF/ODP/HTML]) ** [http://grasssvn.itc.it] (LaTeX, Updated 20May07), covering: ...
    4 KB (564 words) - 07:51, 27 June 2010
  • <!--Having data stored in DN, it implies that these data are not yet the observed ground reality.--> ...d|r.texture}}: In case of panchromatic maps or limited amount of channels, it is often recommended to generate synthetic channels through texture analysi ...
    15 KB (2,115 words) - 10:06, 4 December 2018
  • This R RPM is a meta-package. It has no content but ensures that the following components are installed: R-c ...
    4 KB (572 words) - 11:46, 18 March 2024
  • ...op at absolute beginners without prior knowledge of GRASS GIS, but we hope it can be useful also to current users looking for deeper understanding of bas ...l use '''GRASS GIS sample dataset from North Carolina'''. You can download it [https://grass.osgeo.org/sampledata/north_carolina/nc_spm_08_grass7.zip fro ...
    41 KB (6,632 words) - 04:11, 31 January 2021
  • The above assumes that your projection's ellipsoid is WGS84. If it isn't, use other proj_out= terms with m.proj as required instead of the -o It can be tedious to set up and run a long series of r.sun simulations for eve ...
    10 KB (1,510 words) - 07:56, 15 July 2013
  • ...rass [[Addons]] section of this wiki, to combine vectors across the edges. It can take quite a while to complete. ...
    4 KB (571 words) - 03:35, 5 November 2014
  • ...hem), and not determined by dimensions 3 and 4. If it is (0.7, 0, -0.7, 0) it is the difference between dimension 1 and 3. Eigenvectors are normalized, m ...ppreciate how useful this is when you compute 20 PC's from 120 dimensions. It will be printed when you explicitly ask for showing loadings between -0.1 a ...
    27 KB (3,020 words) - 15:00, 28 December 2014
  • It finds roads in our study area. When you run the query, the roads appear on ...vide an overview of [https://grass.osgeo.org GRASS GIS]. For this exercise it's not necessary to have a full understanding of how to use GRASS GIS. Howev ...
    32 KB (5,078 words) - 18:10, 14 September 2020
  • ...ontributed back into the GRASS project to the benefit of everyone who uses it. * [http://gfoss.it/ GFOSS.it Associazione Italiana per l'Informazione Geografica Libera] - 1400 Euro ...
    18 KB (2,655 words) - 23:54, 19 February 2016
  • ...ispectral scene colors, is the High-Pass Filter Addition (HPFA) technique. It is available through the add-on {{AddonSrc|imagery|i.fusion.hpf|version=7}} ...and of interest. If working under Bash, To repeat the same command (given, it was the last on used in the GRASS' terminal), one can isntruct ...
    21 KB (2,939 words) - 10:05, 4 December 2018
  • ...ipt.core|run_command}} executes the command and waits for it to terminate; it doesn't redirect any of the standard streams. ...o a pipe, and reads everything written to it. Once the command terminates, it returns the data written to stdout as a string. ...
    39 KB (5,610 words) - 20:40, 23 November 2022
  • .... Library at the North Carolina State University Centennial Campus. Though it is true that a libre and open source project such as GRASS GIS necessitates ...
    5 KB (707 words) - 09:23, 20 December 2019
  • Download sample data and unzip it. Create <tt>grassdata</tt> directory on your disk (or use the one you alrea Close GUI and restart it: ...
    23 KB (3,298 words) - 08:38, 6 September 2023
  • The GRASS wiki (you are using it at the moment) requires continuous monitoring. * No programming experience needed, but it would be helpful if willing to (wx)Python in the long term. ...
    8 KB (1,142 words) - 22:31, 24 January 2021
  • Here we explain the procedure to compile GRASS from SVN, but it also applies to official GRASS 6 releases. ...s above, source code packages usually ends in .tar.gz or .zip) and compile it (you must have a C compiler installed as part of your operating system). Th ...
    43 KB (5,778 words) - 18:55, 18 July 2013
  • ...ms. In this way, we are confident that more people will contribute to keep it alive with blog posts and examples as well as with maintenance. Moreover, G ...
    7 KB (939 words) - 15:36, 27 March 2020
  • : URL: http://geomatica.como.polimi.it/workbooks/n6/articoli/sar_geomatics.pdf ...//sahana.lk/ Sahana] is a Free and Open Source Disaster Management system. It is a web based collaboration tool that addresses the common coordination pr ...
    4 KB (644 words) - 21:35, 30 December 2011
  • ...monitoring, land cover changes detection, and natural disaster management. It consists of two identical satellites, [https://en.wikipedia.org/wiki/Sentin ...erest or by means of the API Hub. There are several other sites from which it is possible to download Sentinel-2 imagery as well. Here, some of them: ...
    32 KB (4,993 words) - 13:50, 17 February 2021
  • 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
  • It is recommended -- actually it is a necessity! -- to have a look at the documentation explaining [http://w ...ispectral scene colors, is the High-Pass Filter Addition (HPFA) technique. It is implemented via the {{AddonSrc|imagery|i.fusion.hpf|version=7}} add-on ( ...
    19 KB (2,541 words) - 13:27, 8 April 2020
  • # we do know exactly what it should be). ...
    4 KB (567 words) - 12:51, 15 September 2011
  • ...the tile size of each 3D raster map that you create. Hence you can adjust it to the needs of , e.g. soil depths resolution. ...
    4 KB (694 words) - 09:52, 21 April 2022
  • * See http://www.geodati.fmach.it/eurolst.html (LST dataset download) : ''Plate carrée, or WGS84? -- Does it matter with data at the km scale? ...
    28 KB (4,371 words) - 16:51, 10 May 2018
  • ...ntify and ideally implement any features in GRASS GIS API which would make it easier for OpenDroneMap to run GRASS GIS algorithms. ...
    4 KB (604 words) - 04:13, 17 May 2019
  • * In case of panchromatic maps or limited amount of channels, it is often recommended to generate synthetic channels through texture analysi ...[http://www.grassbook.org/data_menu3rd.php North Carolina] sampling site. It is a multispectral dataset where each channel is stored in a separate map. ...
    16 KB (2,209 words) - 10:48, 4 December 2018
  • On Windows, due to a lack of system Python shared among all applications, it is easiest to start GRASS GIS (to get a command line with Python) and start ...
    7 KB (1,004 words) - 18:51, 29 September 2023
  • <!--- it does no work with terra # parse it ...
    20 KB (2,381 words) - 19:48, 21 April 2023
  • ...pport. Furthermore, we will start moving documentation to Markdown to make it easier to contribute to and we will add images and examples for tools and w ...ontributed back into the GRASS project to the benefit of everyone who uses it. ...
    22 KB (3,102 words) - 21:01, 14 August 2023
  • ...might be helpful to review if you are a first time user. For this exercise it's not necessary to have a full understanding of how to use GRASS GIS. Howev Now, create (unless you already have it) a directory named <tt>grassdata</tt> (GRASS database) in your home folder ...
    40 KB (6,327 words) - 18:08, 14 September 2020
  • ...hon and tangible interfaces* held in Raleigh May 2, 2016 - 09:00 to 13:00. It was partially updated and used in classes at NCSU. Now, create (unless you already have it) a directory named <tt>grassdata</tt> (GRASS database) in your home folder ...
    33 KB (4,996 words) - 19:11, 2 February 2021
  • ...end the python GRASS API to make it more pythonic<ref>http://www.ing.unitn.it/~zambelli/projects/pygrass</ref> :-) >>> region.set_as_default() # It's equal to set `region.default = True` ...
    40 KB (5,278 words) - 21:22, 27 May 2013
  • ...ed to the main code base to maximize integration and availability. Whether it is addons or the main code base, code is usually maintained by the communit ...used for formatting citations. The module is now in a prototype stage and it is available in the GRASS GIS Addons repository. Future directions include ...
    17 KB (2,413 words) - 03:04, 3 March 2019
  • **What it is & how GRASS is structured ...
    4 KB (578 words) - 08:56, 11 February 2011
  • It likes to work in lat/lon coordinate system. ...d in your fort.14 mesh as points with <tt>v.in.adcirc_grid</tt>, then pull it into the Albers location with <tt>v.proj</tt>, then create a column of ''n' ...
    9 KB (1,545 words) - 01:17, 6 January 2021
  • ...://www.pylint.org/ Pylint] is static code analyser for Python. You can use it for detecting errors in your source codes or to help follow coding standard # it should appear only once). ...
    11 KB (1,518 words) - 08:01, 13 July 2013
  • Here we explain the procedure to compile GRASS from GitHub, but it also applies to official GRASS 7 releases. GRASS GIS needs at least two extra libraries: PROJ and GDAL/OGR. It is recommended to download them as ready-to-use packages for your software ...
    61 KB (7,603 words) - 09:01, 10 January 2024
  • ...map. 'new' means that a new map will be created and parser then knows that it should check whether there is already a map of such name and if yes, requir ...
    7 KB (1,080 words) - 18:04, 28 November 2015
  • ...e a reclassed raster with different values for each watershed. Here's how it works for GRASS 6: And here's how it works for GRASS 7: ...
    10 KB (1,737 words) - 11:25, 5 April 2021
  • ...less topology and database creation is skipped with the '''-bt''' flags''. It may also be useful to clip the import file to only accept points falling wi * {{cmd|v.lidar.correction}} - Correction of the v.lidar.growing output. It is the last of the three algorithms for LIDAR filtering. ...
    28 KB (4,297 words) - 22:50, 11 October 2020
  • * The '''metadata table''' is specific for each grass data type. It stores the spatial and temporal extent as well as map specific attributes ( ...
    6 KB (1,001 words) - 10:15, 1 February 2015
  • ...nference 2002 - Trento, Italy, 11-13 September 2002, [http://www.ing.unitn.it/~grass/conferences/GRASS2002/proceedings/proceedings/pdfs/Hofierka_Jaroslav ...gli Utenti Italiani di GRASS GIS-GFOSS. (http://www.grassmeeting2008.unipg.it/?q=node/9) ...
    7 KB (928 words) - 13:45, 29 May 2018
  • ...put as <tt>$GISBASE/etc/*.table</tt> files) is available [http://www.unipg.it/~afrigeri/software/isisgrass here]. ...rnatively works backwards to estimate the size of the projectile that made it. ...
    6 KB (904 words) - 18:51, 6 May 2024
  • ...dataset is prepared as GRASS GIS Location (part of GRASS GIS Database) and it includes data from the following sources: ...might be helpful to review if you are a first time user. For this exercise it's not necessary to have a full understanding of how to use GRASS GIS. Howev ...
    50 KB (7,481 words) - 21:24, 23 January 2020
  • TGRASS is completely metadata based, i.e. it does not change any data but simply handles the organization of raster, vec ...absolute time must be provided using the format yyyy-mm-dd HH:MM:SS +HHMM. It is also supported to specify the date yyyy-mm-dd only. In case of relative ...
    47 KB (7,425 words) - 17:55, 20 December 2022
  • [http://wiki.iosa.it/dokuwiki/spatial_analysis:feature_count v.count.points.sh] menghitung fitur [http://www.geospatial.it/allegri/grass/v.surf.idwpow.zip v.surf.idwpow] integrates the common v.surf ...
    38 KB (5,977 words) - 21:40, 16 June 2016
  • ...ariables get defined doesn't matter if they are only used in commands, but it matters if they are used in the dependency line. Essentially, dependency li $(INSTALL_DATA) for anything without it. ...
    14 KB (2,010 words) - 13:05, 17 February 2022
  • | To be realy useful, it should not be an additional command, but be added as an option to v.db.conn |Better to add it as an option to the "Create new location" wizard (requires additional C++ c ...
    28 KB (3,517 words) - 07:57, 19 August 2015
  • Instead of processing SRTM in a different location, it can be imported right away into the location of interest (e.g. UTM or whate ...
    7 KB (1,093 words) - 21:46, 24 September 2017
  • ...dataset is prepared as GRASS GIS Location (part of GRASS GIS Database) and it includes data from the following sources: ...might be helpful to review if you are a first time user. For this exercise it's not necessary to have a full understanding of how to use GRASS GIS. Howev ...
    53 KB (7,920 words) - 13:39, 30 March 2022
  • ...op at absolute beginners without prior knowledge of GRASS GIS, but we hope it can be useful also to current users looking for deeper understanding of bas ...GRASS GIS 7.2, proposing to directly enjoy the software rather than to use it in a limited way through other software. ...
    13 KB (1,860 words) - 01:06, 21 August 2017
  • ...software for the processing and display of swath and sidescan sonar data. It can handle both multibeam bathymetry and sidescan sonar image data. Finally display it: ...
    12 KB (2,097 words) - 15:06, 20 December 2012
  • * Improve and fix bugs in the QGIS GRASS Toolbox. Generally make it smoother to pass projects and workflows between the two. If this project can be realized as planned, it will allow GRASS to establish itself as the open source tool of choice for ...
    15 KB (2,313 words) - 21:16, 28 May 2013
  • ...e lang="bash" enclose="none">import_landsat.py</source> file and make sure it is granted the execution permission. ...
    18 KB (2,361 words) - 10:31, 4 December 2018
  • * Special care must be taken with the ''grid registered'' version. It can not be loaded directly into a lat/lon location as the parameters found ...e data needs to have those 90deg N,S rows cropped away, and while we're at it we crop away a redundant overlapping column at 180 longitude. To do this we ...
    43 KB (6,439 words) - 21:50, 10 July 2023
  • Rather than import the entire 16GB raster image, just make a virtual link to it: ...
    6 KB (868 words) - 11:42, 14 August 2022
  • Two workshops were presented during the [http://geomorfolab.arch.unige.it/genova2013/ XIV Italian meeting of GRASS] at Genova. ...that returns a Python object, therefore we can save stdout and then parse it with: ...
    17 KB (2,568 words) - 21:30, 1 December 2023
  • ...vide an overview of [https://grass.osgeo.org GRASS GIS]. For this exercise it's not necessary to have a full understanding of how to use GRASS GIS. Howev ...mand line and GUI have their own settings of current working directory, so it needs to be changed separately for each of them. ...
    55 KB (8,966 words) - 03:13, 2 May 2018
  • ...feature tables are linked using built-in '''GRASS-PostGIS data driver''' - it means that PostGIS geometry data are accessed by GRASS directly without any ...
    9 KB (1,357 words) - 09:15, 8 May 2018
  • ...files (like this: v.out.ascii input=vector output=ascii format=standard). It is useful for create rose diagrams of lineament maps. Improvements on the o : [http://wiki.iosa.it/dokuwiki/spatial_analysis:feature_count v.count.points.sh] counts point fea ...
    75 KB (11,828 words) - 21:41, 16 June 2016
  • : [https://web.archive.org/web/20070712104226/http://wiki.iosa.it/dokuwiki/spatial_analysis:feature_count v.count.points.sh] counts point fea ...m another object) in order to assign it to the next series of objects etc. It is tested not very extensively yet. Therefore better work with a copy of yo ...
    96 KB (15,249 words) - 16:09, 25 August 2018
  • ....py group=lsat_2002 sub=lsat7_2002_multi sig=cluster_10 out=lsat7_2002_plr it=5 nt=8 ...
    11 KB (1,428 words) - 14:51, 21 May 2013
  • ...n addition to mapping, GRASS allows further GIS (see [http://gis.cri.fmach.it/uploads/neteler2012_grass_gis_proof.pdf Neteler'' et al.'' 2012]) and stati ...asas/ CASAS Global]) and Dr. Markus Neteler (Head of [http://gis.cri.fmach.it/ GIS and Remote Sensing unit] at Fondazione Edmund Mach – Centro Ricerca e ...
    9 KB (1,359 words) - 19:39, 6 December 2012
  • | {{AddonCmd|r.seg}} || T || IM || It could be rename to `i.seg` ...
    22 KB (3,267 words) - 04:43, 13 November 2020
  • ...he scheme required for description of geographic information and services. It provides information about the identification, the extent, the quality, the This function allows to create pattern of metadata profile. In other words it support defining fixed values to template. With using created template, the ...
    23 KB (3,360 words) - 09:07, 24 April 2024
  • * R. Blazek, M. Neteler, R. Micarelli: [http://www.ing.unitn.it/~grass/conferences/GRASS2002/proceedings/proceedings/pdfs/Blazek_Radim.pdf * J. Čepický, M. Landa: [http://gislab.dirap.unipa.it/grass_meeting/articoli/grass-digit.pdf GRASS GIS Digitization Tools] (Feb. ...
    10 KB (1,637 words) - 17:22, 21 July 2016
  • 8 # indicates that it is an ETM+ image ...
    9 KB (1,439 words) - 18:34, 28 November 2013
  • ...e interviews focused on educators, companies, researchers, influencers and it focused more on non-users than users. ...
    12 KB (1,579 words) - 21:45, 7 March 2024
  • # Import Auxiliary layers, rotate it first ...
    13 KB (1,811 words) - 22:01, 21 December 2023
  • # o, descargar la función dineof desde el repositorio y ''source it'': ...
    12 KB (1,859 words) - 18:33, 25 August 2017
  • It is very likely that the Red and Blue bands are swapped (in older datasets), It is not necessarily needed, but if you wish to rescale to 8-bit data you can ...
    16 KB (2,271 words) - 21:19, 15 August 2016
  • * explain if it is possible and how to use ''Rayleigh Optical Depths estimated at 0km altit ...
    17 KB (2,483 words) - 14:47, 28 July 2016
  • It seems that bands 1-8 are filled with NODATA, the same for bands 58 to 76, a ...
    17 KB (2,365 words) - 13:28, 3 December 2023
  • <!-- TODO: rewrite the above to be more how to use it, then the definition --> ...
    24 KB (4,146 words) - 20:06, 26 July 2016
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