1raster_graphical(1) GRASS GIS User's Manual raster_graphical(1)
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14 Go to raster introduction | topics
15 Raster modules:
17 • r.basins.fill Generates watershed subbasins raster map.
18 • r.blend Blends color components of two raster maps by a given
20 ratio.
21 • r.buffer Creates a raster map showing buffer zones surrounding
23 cells that contain non-NULL category values.
24 • r.buffer.lowmem Creates a raster map showing buffer zones sur‐
26 rounding cells that contain non-NULL category values.
27 • r.buildvrt Build a VRT (Virtual Raster) from the list of input
30 raster maps.
31 • r.carve Generates stream channels.
33 • r.category Manages category values and labels associated with
36 user-specified raster map layers.
37 • r.circle Creates a raster map containing concentric rings
39 around a given point.
40 • r.clump Recategorizes data in a raster map by grouping cells
42 that form physically discrete areas into unique categories.
43 • r.coin Tabulates the mutual occurrence (coincidence) of cate‐
45 gories for two raster map layers.
46 • r.colors Creates/modifies the color table associated with a
48 raster map.
49 • r.colors.out Exports the color table associated with a raster
51 map.
52 • r.colors.stddev Sets color rules based on stddev from a raster
54 map’s mean value.
55 • r.composite Combines red, green and blue raster maps into a
57 single composite raster map.
58 • r.compress Compresses and decompresses raster maps.
60 • r.contour Produces a vector map of specified contours from a
62 raster map.
63 • r.cost Creates a raster map showing the cumulative cost of mov‐
65 ing between different geographic locations on an input raster
66 map whose cell category values represent cost.
67 • r.covar Outputs a covariance/correlation matrix for user-speci‐
69 fied raster map layer(s).
70 • r.cross Creates a cross product of the category values from
72 multiple raster map layers.
73 • r.describe Prints terse list of category values found in a
75 raster map layer.
76 • r.distance Locates the closest points between objects in two
78 raster maps.
79 • r.drain Traces a flow through an elevation model or cost sur‐
81 face on a raster map.
82 • r.external Links GDAL supported raster data as a pseudo GRASS
84 raster map.
85 • r.external.out Redirects raster output to file utilizing GDAL
87 library rather than storing in GRASS raster format.
88 • r.fill.dir Filters and generates a depressionless elevation map
90 and a flow direction map from a given elevation raster map.
91 • r.fill.stats Rapidly fills ’no data’ cells (NULLs) of a raster
93 map with interpolated values (IDW).
94 • r.fillnulls Fills no-data areas in raster maps using spline in‐
96 terpolation.
97 • r.flow Constructs flowlines.
99 • r.geomorphon Calculates geomorphons (terrain forms) and associ‐
102 ated geometry using machine vision approach.
103 • r.grow.distance Generates a raster map containing distances to
105 nearest raster features and/or the value of the nearest
106 non-null cell.
107 • r.grow Generates a raster map layer with contiguous areas grown
109 by one cell.
110 • r.gwflow Numerical calculation program for transient, confined
112 and unconfined groundwater flow in two dimensions.
113 • r.his Generates red, green and blue (RGB) raster map layers
115 combining hue, intensity and saturation (HIS) values from
116 user-specified input raster map layers.
117 • r.horizon Computes horizon angle height from a digital eleva‐
119 tion model.
120 • r.import Imports raster data into a GRASS raster map using GDAL
123 library and reprojects on the fly.
124 • r.in.ascii Converts a GRASS ASCII raster file to binary raster
126 map.
127 • r.in.aster Georeference, rectify, and import Terra-ASTER im‐
129 agery and relative DEMs using gdalwarp.
130 • r.in.bin Import a binary raster file into a GRASS raster map
132 layer.
133 • r.in.gdal Imports raster data into a GRASS raster map using
135 GDAL library.
136 • r.in.gridatb Imports GRIDATB.FOR map file (TOPMODEL) into a
138 GRASS raster map.
139 • r.in.mat Imports a binary MAT-File(v4) to a GRASS raster.
141 • r.in.pdal Creates a raster map from LAS LiDAR points using uni‐
143 variate statistics.
144 • r.in.png Imports non-georeferenced PNG format image.
146 • r.in.poly Creates raster maps from ASCII polygon/line/point
148 data files.
149 • r.in.srtm Imports SRTM HGT files into raster map.
151 • r.in.wms Downloads and imports data from OGC WMS and OGC WMTS
153 web mapping servers.
154 • r.in.xyz Creates a raster map from an assemblage of many coor‐
156 dinates using univariate statistics.
157 • r.info Outputs basic information about a raster map.
159 • r.kappa Calculates error matrix and kappa parameter for accu‐
161 racy assessment of classification result.
162 • r.lake Fills lake at given point to given level.
164 • r.latlong Creates a latitude/longitude raster map.
166 • r.li.cwed Calculates contrast weighted edge density index on a
168 raster map
169 • r.li.daemon Support module for r.li landscape index calcula‐
171 tions.
172 • r.li.dominance Calculates dominance’s diversity index on a
174 raster map
175 • r.li.edgedensity Calculates edge density index on a raster map,
177 using a 4 neighbour algorithm
178 • r.li Toolset for multiscale analysis of landscape structure
180 • r.li.mpa Calculates mean pixel attribute index on a raster map
182 • r.li.mps Calculates mean patch size index on a raster map, us‐
184 ing a 4 neighbour algorithm
185 • r.li.padcv Calculates coefficient of variation of patch area on
187 a raster map
188 • r.li.padrange Calculates range of patch area size on a raster
190 map
191 • r.li.padsd Calculates standard deviation of patch area a raster
193 map
194 • r.li.patchdensity Calculates patch density index on a raster
196 map, using a 4 neighbour algorithm
197 • r.li.patchnum Calculates patch number index on a raster map,
199 using a 4 neighbour algorithm.
200 • r.li.pielou Calculates Pielou’s diversity index on a raster map
202 • r.li.renyi Calculates Renyi’s diversity index on a raster map
204 • r.li.richness Calculates richness index on a raster map
206 • r.li.shannon Calculates Shannon’s diversity index on a raster
208 map
209 • r.li.shape Calculates shape index on a raster map
211 • r.li.simpson Calculates Simpson’s diversity index on a raster
213 map
214 • r.mapcalc Raster map calculator.
216 • r.mapcalc.simple Calculates a new raster map from a simple
218 r.mapcalc expression.
219 • r.mask Creates a MASK for limiting raster operation.
221 • r.mfilter Performs raster map matrix filter.
223 • r.mode Finds the mode of values in a cover map within areas as‐
225 signed the same category value in a user-specified base map.
226 • r.neighbors Makes each cell category value a function of the
228 category values assigned to the cells around it, and stores new
229 cell values in an output raster map layer.
230 • r.null Manages NULL-values of given raster map.
232 • r.object.geometry Calculates geometry parameters for raster ob‐
234 jects.
235 • r.out.ascii Converts a raster map layer into a GRASS ASCII text
237 file.
238 • r.out.bin Exports a GRASS raster to a binary array.
240 • r.out.gdal Exports GRASS raster maps into GDAL supported for‐
242 mats.
243 • r.out.gridatb Exports GRASS raster map to GRIDATB.FOR map file
245 (TOPMODEL).
246 • r.out.mat Exports a GRASS raster to a binary MAT-File.
248 • r.out.mpeg Converts raster map series to MPEG movie.
250 • r.out.png Export a GRASS raster map as a non-georeferenced PNG
252 image.
253 • r.out.pov Converts a raster map layer into a height-field file
255 for POV-Ray.
256 • r.out.ppm Converts a GRASS raster map to a PPM image file.
258 • r.out.ppm3 Converts 3 GRASS raster layers (R,G,B) to a PPM im‐
260 age file.
261 • r.out.vrml Exports a raster map to the Virtual Reality Modeling
263 Language (VRML).
264 • r.out.vtk Converts raster maps into the VTK-ASCII format.
266 • r.out.xyz Exports a raster map to a text file as x,y,z values
268 based on cell centers.
269 • r.pack Exports a raster map as GRASS GIS specific archive file
271 • r.param.scale Extracts terrain parameters from a DEM.
273 • r.patch Creates a composite raster map layer by using known
276 category values from one (or more) map layer(s) to fill in ar‐
277 eas of "no data" in another map layer.
278 • r.path Traces paths from starting points following input direc‐
280 tions.
281 • r.plane Creates raster plane map given dip (inclination), as‐
283 pect (azimuth) and one point.
284 • r.profile Outputs the raster map layer values lying on user-de‐
286 fined line(s).
287 • r.proj Re-projects a raster map from given location to the cur‐
289 rent location.
290 • r.quant Produces the quantization file for a floating-point
292 map.
293 • r.quantile Compute quantiles using two passes.
295 • r.random.cells Generates random cell values with spatial depen‐
297 dence.
298 • r.random Creates randomly placed raster cells or vector points
300 • r.random.surface Generates random surface(s) with spatial de‐
303 pendence.
304 • r.reclass.area Reclasses a raster map greater or less than user
306 specified area size (in hectares).
307 • r.reclass Reclassify raster map based on category values.
309 • r.recode Recodes categorical raster maps.
312 • r.region Sets the boundary definitions for a raster map.
314 • r.regression.line Calculates linear regression from two raster
316 maps: y = a + b*x.
317 • r.regression.multi Calculates multiple linear regression from
319 raster maps.
320 • r.relief Creates shaded relief map from an elevation map (DEM).
322 • r.report Reports statistics for raster maps.
325 • r.resamp.bspline Performs bilinear or bicubic spline interpola‐
327 tion with Tykhonov regularization.
328 • r.resamp.filter Resamples raster map layers using an analytic
330 kernel.
331 • r.resamp.interp Resamples raster map to a finer grid using in‐
333 terpolation.
334 • r.resamp.rst Reinterpolates and optionally computes topographic
336 analysis from input raster map to a new raster map (possibly
337 with different resolution) using regularized spline with ten‐
338 sion and smoothing.
339 • r.resamp.stats Resamples raster map layers to a coarser grid
341 using aggregation.
342 • r.resample GRASS raster map layer data resampling capability.
344 • r.rescale.eq Rescales histogram equalized the range of category
346 values in a raster map layer.
347 • r.rescale Rescales the range of category values in a raster map
349 layer.
350 • r.rgb Splits a raster map into red, green and blue maps.
352 • r.ros Generates rate of spread raster maps.
354 • r.semantic.label Manages semantic label information assigned to
357 a single raster map or to a list of raster maps.
358 • r.series.accumulate Makes each output cell value a accumula‐
360 tionfunction of the values assigned to the corresponding cells
361 in the input raster map layers.
362 • r.series Makes each output cell value a function of the values
364 assigned to the corresponding cells in the input raster map
365 layers.
366 • r.series.interp Interpolates raster maps located (temporal or
368 spatial) in between input raster maps at specific sampling po‐
369 sitions.
370 • r.shade Drapes a color raster over an shaded relief or aspect
372 map.
373 • r.sim.sediment Sediment transport and erosion/deposition simu‐
375 lation using path sampling method (SIMWE).
376 • r.sim.water Overland flow hydrologic simulation using path sam‐
378 pling method (SIMWE).
379 • r.slope.aspect Generates raster maps of slope, aspect, curva‐
381 tures and partial derivatives from an elevation raster map.
382 • r.solute.transport Numerical calculation program for transient,
385 confined and unconfined solute transport in two dimensions
386 • r.spread Simulates elliptically anisotropic spread.
388 • r.spreadpath Recursively traces the least cost path backwards
391 to cells from which the cumulative cost was determined.
392 • r.statistics Calculates category or object oriented statistics.
394 • r.stats Generates area statistics for raster map.
396 • r.stats.quantile Compute category quantiles using two passes.
398 • r.stats.zonal Calculates category or object oriented statistics
400 (accumulator-based statistics).
401 • r.stream.extract Performs stream network extraction.
403 • r.sun Solar irradiance and irradiation model.
405 • r.sunhours Calculates solar elevation, solar azimuth, and sun
408 hours.
409 • r.sunmask Calculates cast shadow areas from sun position and
412 elevation raster map.
413 • r.support Allows creation and/or modification of raster map
416 layer support files.
417 • r.support.stats Update raster map statistics
419 • r.surf.area Prints estimation of surface area for raster map.
421 • r.surf.contour Generates surface raster map from rasterized
423 contours.
424 • r.surf.fractal Creates a fractal surface of a given fractal di‐
426 mension.
427 • r.surf.gauss Generates a raster map using gaussian random num‐
429 ber generator.
430 • r.surf.idw Provides surface interpolation from raster point
433 data by Inverse Distance Squared Weighting.
434 • r.surf.random Produces a raster surface map of uniform random
436 deviates with defined range.
437 • r.terraflow Performs flow computation for massive grids.
439 • r.texture Generate images with textural features from a raster
441 map.
442 • r.thin Thins non-null cells that denote linear features in a
444 raster map layer.
445 • r.tile Splits a raster map into tiles.
447 • r.tileset Produces tilings of the source projection for use in
449 the destination region and projection.
450 • r.timestamp Modifies a timestamp for a raster map.
452 • r.to.rast3 Converts 2D raster map slices to one 3D raster vol‐
455 ume map.
456 • r.to.rast3elev Creates a 3D volume map based on 2D elevation
458 and value raster maps.
459 • r.to.vect Converts a raster map into a vector map.
461 • r.topidx Creates a topographic index (wetness index) raster map
463 from an elevation raster map.
464 • r.topmodel Simulates TOPMODEL which is a physically based hy‐
466 drologic model.
467 • r.transect Outputs raster map layer values lying along user de‐
469 fined transect line(s).
470 • r.univar Calculates univariate statistics from the non-null
472 cells of a raster map.
473 • r.unpack Imports a GRASS GIS specific raster archive file
476 (packed with r.pack) as a raster map
477 • r.uslek Computes USLE Soil Erodibility Factor (K).
479 • r.usler Computes USLE R factor, Rainfall erosivity index.
481 • r.viewshed Computes the viewshed of a point on an elevation
483 raster map.
484 • r.volume Calculates the volume of data "clumps".
487 • r.walk Creates a raster map showing the anisotropic cumulative
490 cost of moving between different geographic locations on an in‐
491 put raster map whose cell category values represent cost.
492 • r.water.outlet Creates watershed basins from a drainage direc‐
494 tion map.
495 • r.watershed Calculates hydrological parameters and RUSLE fac‐
497 tors.
498 • r.what.color Queries colors for a raster map layer.
500 • r.what Queries raster maps on their category values and cate‐
502 gory labels.
503 Main index | Topics index | Keywords index | Graphical index | Full in‐
505 dex
506 © 2003-2023 GRASS Development Team, GRASS GIS 8.2.1 Reference Manual
508GRASS 8.2.1 raster_graphical(1)