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This is the command r3.colorsgrass that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


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

KEYWORDS


raster3d, color table

SYNOPSIS


r3.colors
r3.colors --help
r3.colors [-rwlngae] [map=name[,name,...]] [file=name] [color=style] [raster=name]
[raster_3d=name] [rules=name] [--help] [--verbose] [--quiet] [--ui]

Flags:
-r
Remove existing color table

-w
Only write new color table if it does not already exist

-l
List available rules then exit

-n
Invert colors

-g
Logarithmic scaling

-a
Logarithmic-absolute scaling

-e
Histogram equalization

--help
Print usage summary

--verbose
Verbose module output

--quiet
Quiet module output

--ui
Force launching GUI dialog

Parameters:
map=name[,name,...]
Name of 3D raster map(s)

file=name
Input file with one map name per line
Input map names can be defined in an input file in case a large amount of maps must be
specified. This option is mutual exclusive to the map option.

color=style
Name of color table
Options: aspect, aspectcolr, bcyr, bgyr, blues, byg, byr, celsius, corine, curvature,
differences, elevation, etopo2, evi, fahrenheit, gdd, greens, grey, grey.eq, grey.log,
grey1.0, grey255, gyr, haxby, kelvin, ndvi, ndwi, oranges, population,
population_dens, precipitation, precipitation_daily, precipitation_monthly, rainbow,
ramp, random, reds, rstcurv, ryb, ryg, sepia, slope, srtm, srtm_plus, terrain, wave
aspect: aspect oriented grey colors
aspectcolr: aspect oriented rainbow colors
bcyr: blue through cyan through yellow to red
bgyr: blue through green through yellow to red
blues: white to blue
byg: blue through yellow to green
byr: blue through yellow to red
celsius: blue to red for degree Celsius temperature
corine: EU Corine land cover colors
curvature: for terrain curvatures (from v.surf.rst and r.slope.aspect)
differences: differences oriented colors
elevation: maps relative ranges of raster values to elevation color ramp
etopo2: colors for ETOPO2 worldwide bathymetry/topography
evi: enhanced vegetative index colors
fahrenheit: blue to red for Fahrenheit temperature
gdd: accumulated growing degree days
greens: white to green
grey: grey scale
grey.eq: histogram-equalized grey scale
grey.log: histogram logarithmic transformed grey scale
grey1.0: grey scale for raster values between 0.0-1.0
grey255: grey scale for raster values between 0-255
gyr: green through yellow to red
haxby: relative colors for bathymetry or topography
kelvin: blue to red for temperature in Kelvin scale
ndvi: Normalized Difference Vegetation Index colors
ndwi: Normalized Difference Water Index colors
oranges: white to orange
population: color table covering human population classification breaks
population_dens: color table covering human population density classification breaks
precipitation: precipitation color table (0..2000mm)
precipitation_daily: precipitation color table (0..1000mm)
precipitation_monthly: precipitation color table (0..1000mm)
rainbow: rainbow color table
ramp: color ramp
random: random color table
reds: white to red
rstcurv: terrain curvature (from r.resamp.rst)
ryb: red through yellow to blue
ryg: red through yellow to green
sepia: yellowish-brown through to white
slope: r.slope.aspect-type slope colors for raster values 0-90
srtm: color palette for Shuttle Radar Topography Mission elevation
srtm_plus: color palette for Shuttle Radar Topography Mission elevation (with seafloor
colors)
terrain: global elevation color table covering -11000 to +8850m
wave: color wave

raster=name
Raster map from which to copy color table

raster_3d=name
3D raster map from which to copy color table

rules=name
Path to rules file
"-" to read rules from stdin

DESCRIPTION


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

EXAMPLES


r3.colors map=volume_1 color=gyr

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