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NAME

r.in.wms - Downloads and imports data from OGC WMS and OGC WMTS web mapping servers.

KEYWORDS

raster, import, OGC web services, OGC WMS, OGC WMTS

SYNOPSIS

r.in.wms
r.in.wms --help
r.in.wms [-co] url=string output=name layers=string[,string,...] [styles=string[,string,...]] [format=string] [srs=integer] [driver=string] [wms_version=string] [maxcols=integer] [maxrows=integer] [urlparams=string] [username=string] [password=string] [method=string] [region=string] [bgcolor=string] [capfile=name] [capfile_output=name] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

Flags:

-c
Get the server capabilities then exit
-o
Do not request transparent data
--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 to communication with 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: 1.1.1, 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
region=string
Request data for this named region instead of the current region bounds
bgcolor=string
Background color
Format: 0xRRGGBB
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)

Table of contents

DESCRIPTION

r.in.wms handles all of downloading and importing raster data from OGC WMS and OGC WMTS web mapping servers. It only needs be told the desired data to collect (bounds and resolution) via a region, the server to get the data from, and the layer or layers to get. It downloads the data in tiles, reprojects it, imports it, and patches it back together.

NOTES

To understand the data you are getting it is necessary to look at the capabilities of the WMS server. This should be available via a capabilities request (see examples)

When using GDAL WMS driver (driver=WMS_GDAL), the GDAL library needs to be built with WMS support, see GDAL WMS manual page for details.

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'.

EXAMPLES

General Get Capabilities Request

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

# Czech WMS
r.in.wms -c url="http://wms.cuzk.cz/wms.asp"

Download raster data from WMS server (GetMap request)

Open Street Map

# OSM
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
# 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

# TOPO-WMS
r.in.wms url="http://ows.mundialis.de/services/service?" layer=TOPO-WMS output=topo format=png

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

Countries and coastlines

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

Sentinel-2 satellite cloud free global coverage

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

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

OGC WMTS Example

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

Data covering the Czech Republic

r.in.wms url="http://wms.cuzk.cz/wms.asp" layers=prehledka_kraju-linie srs=4326 output=kn format=png
r.in.wms url="http://geoportal.cuzk.cz/WMTS_ORTOFOTO/WMTService.aspx" layers=orto output=ortofoto \
         srs=3857 format=jpeg driver=WMTS_GRASS style=default
Note: data are provided by Czech office for surveying, mapping and cadastre.

REQUIREMENTS

r.in.wms requires the gdalwarp utility from the GDAL/OGR library.

REFERENCES

SEE ALSO

r.in.gdal, r.patch, r.colors, r.composite, v.in.wfs

See also WMS support in wxGUI.

AUTHOR

Stepan Turek, Czech Technical University in Prague, Czech Republic
(bachelor's final project 2012, mentor: Martin Landa)

Last changed: $Date$

SOURCE CODE

Available at: r.in.wms source code (history)


Note: A new GRASS GIS stable version has been released: GRASS GIS 7.8, available here.
Updated manual page: here

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