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NAME  - Downloads and imports data from WMS/WMTS/NASA OnEarth server.


       raster, import, OGC web services

SYNOPSIS --help        [-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]

           Get the server capabilities then exit

           Do not request transparent data

           Allow output files to overwrite existing files

           Print usage summary

           Verbose module output

           Quiet module output

           Force launching GUI dialog

       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

           Layer style(s) to request from the map server

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

           EPSG code of requested source projection
           Default: 4326

           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 standard version
           Options: 1.1.1, 1.3.0
           Default: 1.1.1

           Maximum columns to request at a time
           Default: 512

           Maximum rows to request at a time
           Default: 512

           Additional query parameters to pass to the server

           Username for server connection

           Password for server connection

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

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

           Background color
           Format: 0xRRGGBB

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

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

DESCRIPTION handles all of downloading and importing raster data from an 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.


       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:


   General Get Capabilities Request
       # Topographic WMS with OpenStreetMap by mundialis -c url="" -c url="" | grep Name
       # Czech WMS -c url=""

   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 url= layers=osm_auto:all output=osm format=png
       # OSM url= layers=osm output=osm format=png
       # OSM Overlay WMS (can be used as an overlay for other maps) url="" layer=OSM-Overlay-WMS output=osm_overlay format=png
       # TOPO-OSM-WMS url="" layer=TOPO-OSM-WMS output=topo_osm format=png
       # TOPO-WMS url="" 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.

   Image data
       # Landsat url= layers=landsat output=landsat format=png

   Countries and coastlines url= layers=Countries,Borders,Coastline output=countries srs=4326 format=png

   OGC WMTS Example url= layers=ORTHOIMAGERY.ORTHOPHOTOS output=orthophoto srs=3857 format=jpeg driver=WMTS_GRASS style=normal password=* username=*
       Note: username, password and API key can be get from IGN API website

   Data covering the Czech Republic output=kn url= layers=prehledka_kraju-linie srs=4326 format=png url= 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 requires gdalwarp utility from GDAL/OGR library.


           ·   OGC WMS

           ·   OGC WMTS

SEE ALSO, r.patch, r.colors, r.composite,

       See also WMS support in wxGUI.


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

       Last changed: $Date: 2016-11-17 11:25:03 +0100 (Thu, 17 Nov 2016) $


       Available at: source code (history)

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