r3.colors.1grass man page

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, grass, 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, roygbiv, rstcurv, ryb, ryg, sepia, slope, soilmoisture, srtm, srtm_plus, terrain, viridis, water, 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
grass: GRASS GIS green (perceptually uniform)
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
roygbiv: no description
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
soilmoisture: soilmoisture color table (0.0-1.0)
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
viridis: perceptually uniform sequential color table viridis
water: water depth
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

See Also

r.colors, r.colors.out, r3.colors.out, v.colors, v.colors.out

See also wiki page Color tables (from GRASS User Wiki)

ColorBrewer is an online tool designed to help people select good color schemes for maps and other graphics.

Authors

Michael Shapiro and David Johnson
Support for 3D rasters by Soeren Gebbert

Last changed: $Date: 2014-12-09 19:39:37 +0100 (Tue, 09 Dec 2014) $

Source Code

Available at: r3.colors source code (history)

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© 2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual

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