Flags:

-c

Get the server capabilities, print them out, then exit

-o

Do not request transparent data

-b

Keep original bands (default: create composite)

--overwrite

Allow output files to overwrite existing files

--help

Print usage summary

--verbose

Verbose module output

--quiet

Quiet module output

--ui

Force launching GUI dialog

Parameters:

url=string [required]

Typically starts with "http://"

output=name [required]

Name for output raster map

layers=string[,string,...] [required]

Layer(s) to request from the map server

styles=string[,string,...]

Layer style(s) to request from the map server

format=string

Image format requested from the server
Options: geotiff, tiff, jpeg, gif, png, png8
Default: png

srs=integer

EPSG code of requested source projection
Default: 4326

driver=string

Driver used for communication with the server
Options: WMS_GDAL, WMS_GRASS, WMTS_GRASS, OnEarth_GRASS
Default: WMS_GRASS
WMS_GDAL: Download data using GDAL WMS driver
WMS_GRASS: Download data using native GRASS-WMS driver
WMTS_GRASS: Download data using native GRASS-WMTS driver
OnEarth_GRASS: Download data using native GRASS-OnEarth driver

wms_version=string

WMS standard version
Options: 1.1.0, 1.1.1, 1.3.0
Default: 1.1.1

maxcols=integer

Maximum columns to request at a time
Default: 512

maxrows=integer

Maximum rows to request at a time
Default: 512

urlparams=string

Additional query parameters to pass to the server

username=string

Username for server connection

password=string

Password for server connection

method=string

Interpolation method to use in reprojection
Options: nearest, linear, cubic, cubicspline
Default: nearest

gdal_createopt=string[,string,...]

GDAL creation option(s) to pass to the output format driver
In the form of "NAME=VALUE", separate multiple entries with a comma

region=string

Request data for this named region instead of the current region bounds

bgcolor=string

Background color
Format: 0xRRGGBB

proxy=string

HTTP proxy only GDAL driver (GDAL_HTTP_PROXY)
HTTP proxy

proxy_user_pw=string

User and password for HTTP proxy only for GDAL driver (GDAL_HTTP_PROXYUSERPWD). Must be in the form of [user name]:[password].
User and password for HTTP proxy

capfile=name

Capabilities file to parse (input). It is relevant for WMTS_GRASS and OnEarth_GRASS drivers

capfile_output=name

File where the server capabilities will be saved (’c’ flag)

Tiled WMS

Into the parameter layers the name of the TiledGroup need to be inserted from Tile Service file. Time variable can be specified in urlparams parameter, e.g: urlparams=’time=2012-1-1’.

General Get Capabilities Request

# Topographic WMS with OpenStreetMap by mundialis
r.in.wms -c url="https://ows.mundialis.de/services/service?"
r.in.wms -c url="https://ows.mundialis.de/services/service?" | grep Name
# Czech WMS
r.in.wms -c url="https://wms.cuzk.cz/wms.asp"

Download raster data from WMS server (GetMap request)

Open Street Map

# OSM, using WMS_GRASS driver
g.region n=90 s=-90 w=-180 e=180 res=0:10:00 -p
r.in.wms url="http://watzmann-geog.urz.uni-heidelberg.de/cached/osm" layers=osm_auto:all output=osm format=png
r.info osm

# OSM Overlay WMS (can be used as an overlay for other maps)
r.in.wms url="http://ows.mundialis.de/services/service?" layer=OSM-Overlay-WMS output=osm_overlay format=png
# TOPO-OSM-WMS
r.in.wms url="http://ows.mundialis.de/services/service?" layer=TOPO-OSM-WMS output=topo_osm format=png
r.info topo_osm
# TOPO-WMS
r.in.wms url="http://ows.mundialis.de/services/service?" layer=TOPO-WMS output=topo format=png
r.info topo

More OSM WMS servers can be found online, e.g. on the OSM wiki in a OSM WMS Servers list and on the WORLD_OSM_WMS page.

Countries and coastlines

# using WMS_GRASS driver
r.in.wms url="http://www2.demis.nl/WMS/wms.asp" layers=Countries,Borders,Coastline output=countries srs=4326 format=png
r.info countries

Sentinel-2 satellite cloud free global coverage

# North Carolina sample data
g.region raster=elevation -p
# using WMS_GRASS driver
r.in.wms url="https://tiles.maps.eox.at/wms?" layers=s2cloudless output=sentinel2 format=png
r.info sentinel2

Figure: Raleigh (NC, USA) seen by Sentinel-2 (10m resolution; image courtesy: EOX)

OGC WMTS Example

# using WMTS_GRASS driver
r.in.wms url="http://gpp3-wxs.ign.fr/yourAPIkey/geoportail/wmts" layers=ORTHOIMAGERY.ORTHOPHOTOS \


         output=orthophoto srs=3857 format=jpeg driver=WMTS_GRASS style=normal password="*" username="*"
r.info orthophoto

Note: username, password and API key can be obtained from IGN API website

Data covering the Czech Republic

# using WMS_GRASS driver
r.in.wms url="http://wms.cuzk.cz/wms.asp" layers=prehledka_kraju-linie srs=4326 output=kn format=png

# using WMTS_GRASS driver
r.in.wms url="http://geoportal.cuzk.cz/WMTS_ORTOFOTO/WMTService.aspx" layers=orto output=orthophoto \


         srs=3857 format=jpeg driver=WMTS_GRASS style=default
r.info orthophoto

Note: data are provided by Czech office for surveying, mapping and cadastre.

Satellite data covering Europe

Copernicus Core003 View Services - Optical VHR2 coverage over EU 2011-2013 (provided by JRC; usage is restricted to non-commercial activities):

# get WMS layer list
r.in.wms -c url="http://cidportal.jrc.ec.europa.eu/copernicus/services/ows/wms/public/core003?"
r.in.wms -c url="http://cidportal.jrc.ec.europa.eu/copernicus/services/ows/wms/public/core003?" | grep Name
# spatial subset of Europe
# enlarging maxcols and maxrows in order to minimize impact of copyright notice in map
g.region n=56 s=47 w=5 e=16 res=0:00:10 -pa
# using WMS_GRASS driver
r.in.wms url="http://cidportal.jrc.ec.europa.eu/copernicus/services/ows/wms/public/core003?" \


         layer="OI.Mosaic.NaturalColor.Feathering" output="jrc_copernicus_core003_mosaik" \


         maxcols=3400 maxrows=3400
r.info jrc_copernicus_core003_mosaik
# Alternatively, using WMS_GDAL driver with BIGTIFF and compression enabled
r.in.wms url="http://cidportal.jrc.ec.europa.eu/copernicus/services/ows/wms/public/core003?" \


         layer="OI.Mosaic.NaturalColor.Feathering" output="jrc_copernicus_core003_mosaik2" \


         maxcols=3400 maxrows=3400 driver=WMS_GDAL gdal_createopt="BIGTIFF=YES,COMPRESS=DEFLATE"
r.info jrc_copernicus_core003_mosaik2