1r3.colors(1)                GRASS GIS User's Manual               r3.colors(1)
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NAME

6       r3.colors   -  Creates/modifies  the  color  table associated with a 3D
7       raster map.
8

KEYWORDS

10       raster3d, color table
11

SYNOPSIS

13       r3.colors
14       r3.colors --help
15       r3.colors     [-rwldngae]      [map=name[,name,...]]        [file=name]
16       [color=style]      [raster=name]      [raster_3d=name]     [rules=name]
17       [--help]  [--verbose]  [--quiet]  [--ui]
18
19   Flags:
20       -r
21           Remove existing color table
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23       -w
24           Only write new color table if it does not already exist
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26       -l
27           List available rules then exit
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29       -d
30           List available rules with description then exit
31           If a color rule is given, only this rule is listed
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33       -n
34           Invert colors
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36       -g
37           Logarithmic scaling
38
39       -a
40           Logarithmic-absolute scaling
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42       -e
43           Histogram equalization
44
45       --help
46           Print usage summary
47
48       --verbose
49           Verbose module output
50
51       --quiet
52           Quiet module output
53
54       --ui
55           Force launching GUI dialog
56
57   Parameters:
58       map=name[,name,...]
59           Name of 3D raster map(s)
60
61       file=name
62           Input file with one map name per line
63           Input map names can be defined in an input file  in  case  a  large
64           amount  of  maps must be specified. This option is mutual exclusive
65           to the map option.
66
67       color=style
68           Name of color table
69           Options: aspect, aspectcolr, bcyr, bgyr, blues, byg, byr,  celsius,
70           corine, curvature, differences, elevation, etopo2, evi, fahrenheit,
71           forest_cover, gdd, grass, greens, grey, grey.eq, grey.log, grey1.0,
72           grey255,  gyr,  haxby,  inferno,  kelvin,  magma, ndvi, ndwi, nlcd,
73           oranges, plasma, population, population_dens,  precipitation,  pre‐
74           cipitation_daily,  precipitation_monthly,  rainbow,  ramp,  random,
75           reds, roygbiv, rstcurv, ryb, ryg, sepia, slope, soilmoisture, srtm,
76           srtm_plus, terrain, viridis, water, wave
77            aspect: aspect oriented grey colors [range: map values]
78            aspectcolr: aspect oriented rainbow colors [range: 0 to 360]
79            bcyr: blue through cyan through yellow to red [range: map values]
80            bgyr: blue through green through yellow to red [range: map values]
81            blues: white to blue [range: map values]
82            byg: blue through yellow to green [range: map values]
83            byr: blue through yellow to red [range: map values]
84            celsius: blue to red for degree Celsius temperature [range: -80 to
85           80]
86            corine: EU Corine land cover colors [range: 111 to 995]
87            curvature:   for   terrain   curvatures   (from   v.surf.rst   and
88           r.slope.aspect) [range: map values]
89            differences: differences oriented colors [range: map values]
90            elevation:  maps  relative  ranges  of  raster values to elevation
91           color ramp [range: map values]
92            etopo2: colors for ETOPO2 worldwide bathymetry/topography  [range:
93           -11000 to 8850]
94            evi: enhanced vegetative index colors [range: -1 to 1]
95            fahrenheit: blue to red for Fahrenheit temperature [range: -112 to
96           176]
97            forest_cover: percentage of forest cover [range: 0 to 100]
98            gdd: accumulated growing degree days [range: 0 to 6000]
99            grass: GRASS GIS green (perceptually uniform) [range: map values]
100            greens: white to green [range: map values]
101            grey: grey scale [range: map values]
102            grey.eq: histogram-equalized grey scale [range: map values]
103            grey.log: histogram logarithmic transformed grey scale [range: map
104           values]
105            grey1.0: grey scale for raster values between 0.0-1.0 [range: 0 to
106           1]
107            grey255: grey scale for raster values between 0-255 [range:  0  to
108           255]
109            gyr: green through yellow to red [range: map values]
110            haxby:  relative  colors  for bathymetry or topography [range: map
111           values]
112            inferno:  perceptually  uniform  sequential  color  table  inferno
113           [range: map values]
114            kelvin: blue to red for temperature in Kelvin scale [range: 193.15
115           to 353.15]
116            magma: perceptually uniform sequential color table  magma  [range:
117           map values]
118            ndvi:  Normalized Difference Vegetation Index colors [range: -1 to
119           1]
120            ndwi: Normalized Difference Water Index  colors  [range:  -200  to
121           200]
122            nlcd: US National Land Cover Dataset colors [range: 0 to 95]
123            oranges: white to orange [range: map values]
124            plasma: perceptually uniform sequential color table plasma [range:
125           map values]
126            population: color table covering human  population  classification
127           breaks [range: 0 to 2e+09]
128            population_dens:  color  table  covering  human population density
129           classification breaks [range: 0 to 1e+09]
130            precipitation: precipitation color table (0..2000mm) [range: 0  to
131           7000]
132            precipitation_daily: precipitation color table (0..1000mm) [range:
133           0 to 10000]
134            precipitation_monthly:  precipitation  color   table   (0..1000mm)
135           [range: 0 to 1000]
136            rainbow: rainbow color table [range: map values]
137            ramp: color ramp [range: map values]
138            random: random color table [range: map values]
139            reds: white to red [range: map values]
140            roygbiv:  [range: map values]
141            rstcurv: terrain curvature (from r.resamp.rst) [range: map values]
142            ryb: red through yellow to blue [range: map values]
143            ryg: red through yellow to green [range: map values]
144            sepia: yellowish-brown through to white [range: map values]
145            slope:  r.slope.aspect-type  slope  colors  for raster values 0-90
146           [range: 0 to 90]
147            soilmoisture: soilmoisture color table (0.0-1.0) [range: 0 to 1]
148            srtm: color palette for Shuttle Radar Topography Mission elevation
149           [range: -11000 to 8850]
150            srtm_plus: color palette for Shuttle Radar Topography Mission ele‐
151           vation (with seafloor colors) [range: -11000 to 8850]
152            terrain: global elevation color table covering  -11000  to  +8850m
153           [range: -11000 to 8850]
154            viridis:  perceptually  uniform  sequential  color  table  viridis
155           [range: map values]
156            water: water depth [range: map values]
157            wave: color wave [range: map values]
158
159       raster=name
160           Raster map from which to copy color table
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162       raster_3d=name
163           3D raster map from which to copy color table
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165       rules=name
166           Path to rules file
167           "-" to read rules from stdin
168

DESCRIPTION

170       r3.colors has exactly the same functionality as  r.colors  but  for  3D
171       raster maps. Please refer to r.colors.
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EXAMPLES

174       r3.colors map=volume_1 color=gyr
175

SEE ALSO

177        r.colors, r.colors.out, r3.colors.out, v.colors, v.colors.out
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179       See also wiki page Color tables (from GRASS User Wiki)
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181       ColorBrewer is an online tool designed to help people select good color
182       schemes for maps and other graphics.
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AUTHORS

185       Michael Shapiro and David Johnson
186       Support for 3D rasters by Soeren Gebbert
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SOURCE CODE

189       Available at: r3.colors source code (history)
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191       Main index | 3D raster index | Topics index | Keywords index |  Graphi‐
192       cal index | Full index
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194       © 2003-2020 GRASS Development Team, GRASS GIS 7.8.5 Reference Manual
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198GRASS 7.8.5                                                       r3.colors(1)
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