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- 32 bytes (3 words) - 19:56, 24 April 2010
- What is be the recommended way to downsample a raster map? However, that requires that your raster contains no null cells ...662 bytes (112 words) - 00:56, 6 September 2014
- == Raster map precision types == * '''CELL DATA TYPE''': a raster map from INTEGER type (4 bytes, whole numbers only). ...8 KB (1,295 words) - 12:31, 7 February 2022
- 26 bytes (3 words) - 07:07, 26 August 2009
- * The resulting raster will contain aggregate values of the input raster, using the new grid topology ...1 KB (211 words) - 15:49, 26 August 2010
- == Raster Modules with OpenMP support == ...p and one which outputs a new raster map after some computation of a given raster map. ...5 KB (866 words) - 16:02, 19 August 2021
- ....agent|version=7}} shall provide an inital base for organizing worlds with raster playgrounds and agents in. Still under development. {{AddonSrc|raster|r.area|version=7}} can be used to remove, areas smaller than treshold, recl ...16 KB (2,410 words) - 07:29, 25 June 2020
- ...MASKing can be even used inside a <code>ps.map</code> script. This way, a raster MASK can be applied to vector features that need to be masked. This is achi [[Category:Raster]] ...736 bytes (127 words) - 09:57, 5 February 2013
- [[Category:Raster]] ...8 KB (1,399 words) - 09:52, 27 September 2019
- While GRASS GIS can handle [[GRASS GIS Performance|pretty large raster maps]], sometimes the user systems are hardware limited. This command will create a polygon shapefile with the footprint of each raster as the polygon shape and the name of the image files represented in the att ...8 KB (1,256 words) - 14:00, 7 December 2022
- ...tor points by region resolution (quadrat count) and write the results to a raster map (in order to perform r.mapcalc on these observed frequencies). ...ount points per cell (resolution chosen 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
- '''Q:''' I have a raster with a series of patches (contiguous areas with same value). How do I isola '''A:''' You can use {{cmd|r.clump}} to to recategorize the raster map pixels by grouping cells that form physically discrete areas into uniqu ...2 KB (335 words) - 23:11, 2 January 2014
- [[File:Grass raster import.png|400px]] ...1 KB (261 words) - 13:56, 4 August 2016
- ==Raster data management== ...used. The module <code>r.extenal</code> can be used in lieu of importing a raster into GRASS. ...1 KB (235 words) - 09:47, 9 August 2013
- #REDIRECT [[Temporal data processing/GRASS R raster time series processing]] ...76 bytes (10 words) - 20:13, 12 September 2016
- == GRASS-R / R-GRASS for raster time series processing == ...htaylor/sinkr/man/dineof.html DINEOF]) and, after running it, rebuild your raster time series, export it and import the new strds into GRASS. ...11 KB (1,761 words) - 14:26, 22 October 2022
- == GRASS-R / R-GRASS for raster time series processing == g.list type=raster pattern=*tempmean ...12 KB (1,859 words) - 18:33, 25 August 2017
- | Title: || '''Temporal GIS Algebra for raster and vector data in GRASS ''' ...te spatio-temporal vector and raster algebra to process massive vector and raster datasets based on their spatio-temporal relationships. ...29 KB (4,404 words) - 16:00, 26 August 2014
Page text matches
- What is be the recommended way to downsample a raster map? However, that requires that your raster contains no null cells ...662 bytes (112 words) - 00:56, 6 September 2014
- ===Raster add-ons=== ...367 bytes (49 words) - 19:15, 19 October 2012
- == Raster data == ...u/dataservice/available2.asp?type=findkeyword&theme=raster%20data European raster datasets available through EEA's Dataservice] ...977 bytes (131 words) - 22:50, 10 August 2009
- ...be used to calculate statistics based on the clumps instead of individual raster cells. * '''{{cmd|r.univar}}: univariate and zonal raster statistics''' ...2 KB (295 words) - 11:32, 5 April 2017
- ===Raster add-ons=== * [[AddOns/GRASS6/raster]] ...586 bytes (81 words) - 01:28, 6 December 2011
- ==Raster data management== ...used. The module <code>r.extenal</code> can be used in lieu of importing a raster into GRASS. ...1 KB (235 words) - 09:47, 9 August 2013
- === Raster addons === svn co https://svn.osgeo.org/grass/grass-addons/raster/r.terracost ...1 KB (160 words) - 19:15, 19 October 2012
- ...oduction system, and spatial modeling system. It contains many modules for raster and vector data manipulation, rendering images on the monitor or paper, mul ...439 bytes (57 words) - 06:57, 14 October 2022
- ==== Raster ==== ...774 bytes (120 words) - 04:15, 19 November 2009
- ...MASKing can be even used inside a <code>ps.map</code> script. This way, a raster MASK can be applied to vector features that need to be masked. This is achi [[Category:Raster]] ...736 bytes (127 words) - 09:57, 5 February 2013
- ==Raster add-ons== * [[AddOns/GRASS7/raster]] ...1 KB (143 words) - 07:27, 25 June 2020
- ...e module determines the minimum and the maximum isoline values for a given raster map. The isoline/contour interval should be provided by the step parameter. Example: generate contours with a 10m interval from the raster map "elevation" (North Carolina [http://grass.osgeo.org/download/sample-dat ...979 bytes (151 words) - 11:28, 2 September 2014
- Click in GIS manager on "Add raster" button, click on word "raster" which appeared in the canvas, ...3 KB (493 words) - 13:12, 8 March 2007
- #REDIRECT [[Temporal data processing/GRASS R raster time series processing]] ...76 bytes (10 words) - 20:13, 12 September 2016
- == Import raster data == [[Image:WxGUI bulk raster import1.png|300px|thumb|Bulk import of GeoTIFF via menu]] ...2 KB (268 words) - 11:17, 24 January 2013
- * display vector/raster data * allow user to import their own raster data(atleast any gdal supported) ...889 bytes (139 words) - 08:00, 26 January 2012
- Wxnviz-volumes.png|wxGUI: Displaying raster (surface), 2D vector and 3D raster (volume) in the 3D space wxgui-r-what-grass7.png|wxGUI: Query raster map (using built function or directly using r.what) ...1 KB (144 words) - 12:43, 30 November 2012
- == Raster digitizer == ...988 bytes (143 words) - 15:33, 8 October 2012
- * Older brainstorming: SQL database support for a raster map timeseries is discussed in the [[Time series development]] wiki page. === Raster map time series analysis === ...3 KB (437 words) - 15:59, 26 August 2014
- ...tor points by region resolution (quadrat count) and write the results to a raster map (in order to perform r.mapcalc on these observed frequencies). ...ount points per cell (resolution chosen 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
- ...he ''cropped map''). Techniques differ depending on whether your source is raster or vector and whether your boundary is defined by another map or by coordin '''Raster source map''' and '''vector map as boundary'''. Make boundary into mask usi ...3 KB (450 words) - 14:35, 26 September 2017
- == Raster map precision types == * '''CELL DATA TYPE''': a raster map from INTEGER type (4 bytes, whole numbers only). ...8 KB (1,295 words) - 12:31, 7 February 2022
- * 2D raster analysis and [[Help with 3D|3D]] voxel management (volumes) * Interoperable with standard raster and vector [[Data formats|formats]] ...855 bytes (113 words) - 06:58, 14 October 2022
- This example plots a raster map with title and legend. raster elevation.10m ...4 KB (482 words) - 17:26, 5 January 2010
- {{AddonSrc|raster|r.area}} {{AddonSrc|raster|r.hants|version=7}} ...1 KB (131 words) - 08:41, 11 March 2013
- * {{Cmd|r.out.vtk}} - export raster data for VTK * {{Cmd|r3.out.vtk}} - export 3D raster (voxel) data for VTK ...3 KB (490 words) - 00:37, 19 June 2013
- This section of the tutorial explains how to display raster and vector data using GRASS GIS. We focus on two approaches: one approach u ===Displaying raster data from the CLI=== ...3 KB (445 words) - 13:05, 8 August 2013
- The resulting raster map of a vertical grid looks like this: [[File:Raster_grid_seq.png|300px|thumb|left|Sequentially numbered raster grid]] ...775 bytes (136 words) - 10:45, 19 September 2012
- * Raster / vector processing * 3D raster / vector modelling ...2 KB (228 words) - 20:31, 2 September 2018
- ==Raster Maps== A short example of a layer definition to access a GRASS raster: ...3 KB (418 words) - 20:42, 15 August 2016
- ...g.list output as input variable for another module, e.g. to remove a list raster map. FOR /F %c in ('g.list "type=raster" "pattern=*2" "mapset=user1" "separator=comma"') DO SET RASTER2REMOVE=%c ...2 KB (403 words) - 19:44, 23 December 2018
- == 3D raster map (voxel) processing in GRASS == ...one of the few GIS with volume data support. Here data are stored as a 3D raster with a unit volume called a voxel (volume pixel). Voxels are designed to su ...4 KB (694 words) - 09:52, 21 April 2022
- === Reinterpolation of "filled" raster maps (continuous data) to a different resolution === ==== Resampling of raster maps to finer resolution ==== ...5 KB (725 words) - 20:58, 16 May 2023
- '''Raster:''' The LZW compression has been removed which requires a format conversion '''Raster:''' The LZW compression has been removed which requires a format conversion ...2 KB (397 words) - 21:14, 24 June 2021
- = Adding the time dimension to GRASS GIS raster, vector and voxel data types for field based applications using a time stam Raster, vector and voxel maps in GRASS GIS will have temporal attributes by defaul ...6 KB (1,001 words) - 10:15, 1 February 2015
- ...ac.osgeo.org/grass/browser/grass/trunk/doc/python/raster_example_ctypes.py raster], [http://trac.osgeo.org/grass/browser/grass/trunk/doc/python/vector_exampl == Raster == ...5 KB (712 words) - 10:02, 20 May 2012
- == 2D/3D Raster/voxel export == ...one of the few GIS with volume data support. Here data are stored as a 3D raster with a unit volume called a voxel (volume pixel). [[Voxel]]s are designed t ...3 KB (479 words) - 00:36, 19 June 2013
- ...controlled by the {{cmd|g.region}} module and is of primary importance for raster operations. Its most obvious effect is of setting the map zoom, but it is m == Raster map precision == ...4 KB (644 words) - 15:25, 31 January 2016
- '''Q:''' How can I fill holes in a raster map with categorical data? ...252 bytes (44 words) - 00:08, 7 December 2011
- ** topography - raster map or constant values used as elevation (z values) for the current surface ** color - raster map or constant color to drape over the current surface. ...6 KB (805 words) - 09:09, 28 May 2011
- ...}}: Displays wind barbs or variable length straw diagrams given either two raster maps, or vector point data. Like {{cmd|d.rast.arrow}}, input data is given * {{cmd|r.in.gdal}} - useful for importing raster data from [http://www.gdal.org/formats_list.html very many source data form ...2 KB (314 words) - 17:38, 19 July 2015
- ...osgeo.org/grass64/manuals/html64_user/r.proj.html r.proj] for reprojecting raster maps ...eo.org/grass64/manuals/html64_user/r.region.html r.region] for resetting a raster map's bounds information ...10 KB (1,513 words) - 05:42, 12 November 2008
- == Raster Modules with OpenMP support == ...p and one which outputs a new raster map after some computation of a given raster map. ...5 KB (866 words) - 16:02, 19 August 2021
- ...QLite [[OGR]] driver and set the SPATIALITE data creation option to "yes". Raster can be exported to a Spatialite database with r.out.gdal, using the Rasterl ==== Raster maps ==== ...2 KB (370 words) - 16:55, 2 February 2017
- Raster data processing * {{src|raster/r.terraflow/}} ...1 KB (190 words) - 21:06, 27 November 2012
- ...ee clouds class raster (blue), forest class raster (green) and water class raster (red). ...2 KB (343 words) - 10:07, 4 December 2018
- ...ial will familiarize you with the improved functionality and will focus on raster and vector data management as well some basic spatial data analysis. ...aster and vector data and continue by explaining how to import and process raster and vector data. ...6 KB (852 words) - 08:29, 30 July 2013
- ...aps of slope, aspect, curvatures and partial derivatives from an elevation raster map * {{cmd|r.basin.fill}}: Generates watershed subbasins raster map ...6 KB (782 words) - 20:25, 21 February 2023
- * The resulting raster will contain aggregate values of the input raster, using the new grid topology ...1 KB (211 words) - 15:49, 26 August 2010
- ...oided by using the same filename for each import and overwriting the GRASS raster. There may be negative performance considerations with this approach. ...le sizes permissible on your operating system and filesystem. For patching raster maps r.patch is your friend. Glynn Clements made the following remarks on t ...2 KB (452 words) - 16:25, 9 January 2008
- '''Q:''' I have a raster with a series of patches (contiguous areas with same value). How do I isola '''A:''' You can use {{cmd|r.clump}} to to recategorize the raster map pixels by grouping cells that form physically discrete areas into uniqu ...2 KB (335 words) - 23:11, 2 January 2014
- === Raster === * [[Replacement raster format#Meta-data support|Metadata support in GRASS raster library notes]] ...4 KB (601 words) - 14:03, 11 January 2018
- * Impor dan ekspor raster dengan ''r.in.gdal'' / ''r.out.gdal'' * Membuat garis kontur vektor dari sebuah DEM raster ...3 KB (484 words) - 14:09, 4 October 2008
- ...ional region is the actual setting of the region boundaries and the actual raster resolution. #Raster maps are always '''imported completely''' at their own resolution (exceptio ...8 KB (1,171 words) - 00:38, 29 November 2016
- ...ou should use one of the vector interpolation (e.g. {{cmd|v.surf.rst}}) or raster resampling (e.g. {{cmd|r.resamp.interp}}) modules to fill in any gaps after ...into the target location. For grids of different resolution to the current raster region settings, if possible, it is better to import them in their native r ...4 KB (660 words) - 14:54, 20 December 2012
- ...computational region is used for raster maps reprojection. Otherwise, each raster map is reprojected to its bounds, ignoring computational region in the curr ...2 KB (400 words) - 07:31, 25 June 2020
- (GIS) with support for raster, 3D raster and vector data processing. map algebra calculations for raster maps and vector buffering and ...2 KB (312 words) - 10:52, 12 June 2017
- ...duction system, and spatial modelling system. It contains many modules for raster and vector data manipulation, rendering images on the monitor or paper, mul ...ased WebGIS applications. The data management capabilities also include 3D raster (voxel) modelling as well as vector network analysis. Through the R interfa ...3 KB (415 words) - 21:54, 3 April 2007
- * definiowanie obiektów danych (raster, wektor, raster 3D) ...2 KB (286 words) - 23:01, 19 October 2010
- ...MapInfo files, SDTS, TIGER, etc.) and {{cmd|v.in.e00}} for e00 format. For raster data, there is {{cmd|r.in.gdal}}. ...a collection of [[Common_Tasks#GIS_Tasks|tools]] for projecting vector and raster layers from one location to another. Use of these tools is explained in the ...7 KB (1,119 words) - 05:02, 22 July 2016
- * Raster import and export with ''r.in.gdal'' / ''r.out.gdal'' * [[Georeferencing | Georectify a scanned raster image]] ...4 KB (571 words) - 03:35, 5 November 2014
- ...'''thin line'''. The {{cmd|r.drain}} manual says: "If the input surface (a raster map layer) is a cumulative cost map generated by the {{cmd|r.walk}} or {{cm # convert the first polygon to a raster map ...3 KB (429 words) - 10:01, 4 December 2018
- * [http://www.gdal.org/formats_list.html Supported raster formats] via {{cmd|r.import}} (for example importing GeoTiffs) * Raster formats: File → Import raster data (internally using GDAL) ...6 KB (1,054 words) - 11:50, 20 January 2023
- <ows:Title>Generates a raster map layer with contiguous areas grown by one cell.</ows:Title> <ows:Metadata xlink:title="raster" /> ...9 KB (978 words) - 19:09, 7 October 2015
- ...ealing different parts of the raster maps. It is useful e.g. for comparing raster maps from different time periods. See also the {{cmd|wxGUI.mapswipe|desc=ma ...:MapSwipe_multiple_layers.png|center|thumb|575px|wxGUI Map Swipe: multiple raster/vector maps]] ...4 KB (636 words) - 09:56, 4 December 2018
- ...with attributes and says what is where (which is the same thing what, e.g. raster map is doing). Note that in GRASS GIS, one vector map can have different la ...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
- ...tion which allows to animate a series of GRASS raster maps or a space time raster dataset ([http://trac.osgeo.org/grass/wiki/Grass7/TemporalExtension see GRA ...2 KB (253 words) - 10:02, 4 December 2018
- * [http://gdal.osgeo.org/formats_list.html Supported raster formats] ...682 bytes (115 words) - 20:51, 2 August 2013
- Note that raster, vector and 3D raster data is still stored in standard GRASS database, and temporal framework man Start by creating a spatio-temporal raster dataset with ''relative'' temporal type: ...6 KB (926 words) - 03:28, 30 March 2016
- ...nates and the elevation of the contour lines. We will then convert them to raster form in order to establish the elevation at the points where the track inte === Set the computational region resolution and convert vector to raster === ...5 KB (842 words) - 01:59, 11 February 2016
- <ows:Title>Generates a raster map layer with contiguous areas grown by one cell.</ows:Title> <ows:Metadata xlink:title="raster" /> ...16 KB (1,225 words) - 23:35, 30 January 2011
- * {{cmd|r.proj}} for reprojecting raster maps * {{cmd|r.region}} for resetting a raster map's bounds information ...9 KB (1,348 words) - 16:19, 30 December 2019
- '''A:''' You need to cut the map first (only raster maps are region sensitive) with {{cmd|v.select}} or {{cmd|v.overlay}}: ...495 bytes (83 words) - 00:37, 7 December 2011
- * '''model''' ''Name of an existing raster map layer in the user's current mapset search path containing the NFFL stan * '''moisture_1h''' ''Name of an existing raster map layer in the user's current mapset search path containing the 1-hour (< ...5 KB (730 words) - 14:33, 25 March 2021
- # Export it to a raster layer: # Export it to a raster layer: ...2 KB (272 words) - 10:28, 4 December 2018
- ====Raster:==== * discuss and ideally activate new raster compression scheme in "trunk" ({{trac|2750}}) ...5 KB (610 words) - 11:29, 6 September 2016
- ...idge/ vtkGRASSBrige] provides a VTK/C++ interface to most of the grass gis raster and vector C library functions. Its using an intuitive class structure to h ...s grass raster and vector data. vtkImages can be directly written as grass raster maps into a grass location. ...4 KB (699 words) - 15:25, 15 January 2010
- :: 3 - each row (raster) or line (vector) :: 5 - each cell (raster) or point (vector) ...3 KB (396 words) - 01:25, 1 September 2015
- Dla rastrów: Plik → Import raster data using GDAL ...Manager use the button with lines and points on it to the right of the add raster map button. The left hand button in the Map Display window will re-render t ...5 KB (835 words) - 14:00, 22 August 2016
- ...e same with the old i.points module, and if you want to set the points for raster map from another map you can use the {{cmd|i.vpoints}} module, e.g. click o ...t the GCPs with the m.proj module or PROJ.4's cs2cs instead of sending the raster data on a round trip. ...4 KB (634 words) - 15:09, 10 November 2021
- | ''3D Raster'' | ''Raster analysis'' ...22 KB (3,267 words) - 04:43, 13 November 2020
- ...lor rules in the [https://trac.osgeo.org/grass/browser/grass-addons/grass6/raster/r.colors.tools/palettes GRASS Addons repository] * Use {{AddonCmd|r.colors.quantiles}} to create raster colors rules based on ''n''-quantiles. It uses the [[GRASS_and_Rstat|R and ...6 KB (970 words) - 19:21, 11 May 2024
- The important key to importing NetCDF raster file via r.in.gdal is to specify the correct data '''subset''' in the ''inp ...http://code.google.com/p/jgrass/wiki/SummerOfCode2009 GUI controlled GRASS raster timeseries to netCDF export tool using uDig]. ...2 KB (367 words) - 00:03, 23 November 2013
- While GRASS GIS can handle [[GRASS GIS Performance|pretty large raster maps]], sometimes the user systems are hardware limited. This command will create a polygon shapefile with the footprint of each raster as the polygon shape and the name of the image files represented in the att ...8 KB (1,256 words) - 14:00, 7 December 2022
- ==Pengelolaan data raster== * Cara pengelolaan raster di GRASS 6 sama dengan versi GRASS sebelumnya. ...5 KB (661 words) - 11:39, 4 December 2011
- ==== Raster compression ==== ...3 KB (519 words) - 15:01, 26 February 2016
- ...ette. You also have the option of using GRASS's r.mapcalc module and other raster analysis modules to simplify the image after import. ''(see below)'' * We now have a registered raster map containing a 300 dpi scan of our A0 sized paper map ...5 KB (790 words) - 00:35, 7 December 2011
- # What is a raster MASK? - [[GRASS Raster Mask]] # How do I reproject a raster or vector map? - [[Map Reprojection]] ...5 KB (763 words) - 12:17, 2 October 2016
- ...[[wxNviz]]) <tt>Visualization → Raster Surface</tt> menu set the fine raster grid size to 1. Set the vertical exaggeration to 1.0 or 2.0 [[Category: Raster]] ...3 KB (487 words) - 10:51, 4 December 2018
- ** Raster Data Management ...790 bytes (103 words) - 20:02, 2 September 2018
- * raster maps: ...se {{cmd|r.proj}} or {{cmd|v.proj}} (depending on whether the map/image is raster or vector) to reproject the map/image '''from''' the import location '''to' ...5 KB (828 words) - 07:36, 24 April 2023
- | low-level raster processing, code optimization, OpenCL | Raster/remote sensing GRASS developer, scientific algorithm creation and implement ...3 KB (429 words) - 13:41, 14 July 2018
- ...than one year (400 maps). We then create the corresponding spatio-temporal raster data set (strds) and register the maps into it. t.register -i type=raster input=precipitation_daily \ ...11 KB (1,132 words) - 22:24, 16 November 2015
- ...ly data entities like rasters or vectors are called in GRASS "maps", i.e. "raster map" or "vector map". ...ser:Landa|ML]]: GRASS is basically '''"layer-based"''' GIS, calling single raster or vector entities as "maps" is quite confusing. Better would be to use ter ...6 KB (1,004 words) - 21:39, 24 March 2014
- * Import BSB raster RNC chart scan with r.in.gdal * gdal_slice.sh - script to chop up a georeferenced raster image in any supported [http://www.gdal.org/formats_list.html GDAL format] ...8 KB (1,191 words) - 10:24, 3 November 2008
- * d.rast.pg - currently no DB support for raster maps, desired * d.what.r.pg - currently no DB support for raster maps, desired ...11 KB (2,177 words) - 23:36, 15 December 2007
- ...GIS session is started. If you generated the new location from a geocoded raster (e.g., GeoTIFF) or vector file (e.g. SHAPE), you are asked if you want to ' === Import raster data === ...10 KB (1,603 words) - 07:22, 10 October 2023
- ...en/glw/home.html Gridded Livestock of the World] data layer. The resulting raster showed the habitat suitability of the NWS based on environmental conditions ===== Read in the HSM raster ===== ...9 KB (1,357 words) - 09:31, 4 December 2012
- GRASS DEM workflow generally does not include TINs. Due to its very strong raster engine and tools it has never had the need to resort to them, and so histor ...u can extract the x,y,z coordinate at each node you can build a much nicer raster surface than a TIN using one of the v.surf.* modules. ...5 KB (864 words) - 18:04, 31 December 2013
- ...n will be described that can take place entirely in GRASS GIS and produces raster maps or, if desired, polygons with aggregated values from two maps and a se ...tor data, but the vector precipitation data would have to be turned into a raster map, just as the catchment areas are converted to rasters in the following ...13 KB (2,196 words) - 20:55, 2 August 2013