Load a WMS-Layer
From AWF-Wiki
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(→Add digital orthophotos of the geodetic survey administratration, Lower Saxony) |
(→Add Digital Ortho Photos (DOP) of Lower Saxony) |
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==Add Digital Ortho Photos (DOP) of Lower Saxony== | ==Add Digital Ortho Photos (DOP) of Lower Saxony== | ||
| + | Since 2022 digital otho photos in Lower Saxony are published as open geodata under the License „Datenlizenz Deutschland – Namensnennung – Version 2.0“. They can be directly downloaded or used as WMS in QGIS. | ||
| + | |||
# Open {{button|text=Data Source Manager}} [[Image:QGIS_3.0_datasource.png|30px]] | # Open {{button|text=Data Source Manager}} [[Image:QGIS_3.0_datasource.png|30px]] | ||
# Click {{button|text= WMS/WMTS}} [[File:Addwms.png|100px]]. | # Click {{button|text= WMS/WMTS}} [[File:Addwms.png|100px]]. | ||
| − | # {{mitem|text= Layers --> New}}. Type a name for the new WMS connection e.g. {{typed|text= | + | # {{mitem|text= Layers --> New}}. Type a name for the new WMS connection e.g. {{typed|text= NDS DOP}} (Digitales Orthophoto (DOP) Niedersachsen). |
| − | # Type the URL : {{typed|text= | + | # Type the URL : {{typed|text=https://www.geobasisdaten.niedersachsen.de/doorman/noauth/wms_ni_dop?&request=getCapabilities&service=WMS}} |
[[File:qgis_add_dtk.png|400px]] | [[File:qgis_add_dtk.png|400px]] | ||
# Click {{button|text=OK}} | # Click {{button|text=OK}} | ||
Revision as of 08:13, 24 May 2022
WMS stands for Web Map Service. WMS produces maps of spatially referenced data dynamically from geographic information. These maps are rendered in a pictorial format for example PNG, GIF or JPEG. The operations can be done using a standard web browser which submitt requests in form of a URL. The OGC WMS specification standardizes the way in which maps are requested by clients and the way that servers describe their data holdings.
Contents |
Clients
A growing number of clients supporting WMS or WFS standards.
- ArcGIS
- Quantum GIS
- UDIG
- OpenLayes - pure javascript library for displying map data in most web browsers
Requests
There are differnt types of requests, but only two are required by any wms server:
- GetCapabilities - returns parameters about the WMS and the available layers
- GetMap - with parameters provided, returns a map image
Add WMS layer
If you want to integrate a WMS-Layer to QGIS 3 follow these steps:
- Open Data Source Manager
- Click WMS/WMTS
.
- Layers --> New. Type a name for the new WMS connection e.g. BKG DTK250 (Digitale Topographische Karte 1:250,000, Bundesamt für Kartographie and Geodäsie, Frankfurt).
- Type the URL : http://sg.geodatenzentrum.de/wms_dtk250
- Click OK
- Click Connect
- Now a list of all downloadable layers appears.
- Mark one of the layers and click Add
Add Google Maps layers
- Open Data Source Manager
- To add the Google Maps map service in QGIS 3 simply, go to XYZ Tiles in the Browser panel.
- Right-click on XYZ Tiles and choose XYZ Connections New.
- Enter the name for the WMS Service fo example: Google Satellite
- Copy and paste the URL: https://mt1.google.com/vt/lyrs=s&hl=en&x={x}&y={y}&z={z}
- Adjust the maximum zoom level 19, confirm with OK.
- To view inside QGIS go to the Browser panel. Unfold the XYZ Tiles and double-click or drag the XYZ Tile service to the Layers panel.
- Configure additional WMS connections in the same manner using the URLs of this table:
| WMS Name | URL |
|---|---|
| Google Satellite | https://mt1.google.com/vt/lyrs=s&hl=en&x={x}&y={y}&z={z} |
| Google Streets | https://mt1.google.com/vt/lyrs=m&x={x}&y={y}&z={z} |
| Google Terrain | https://mt1.google.com/vt/lyrs=p&x={x}&y={y}&z={z} |
| OpenStreetMap Mapnick | http://tile.openstreetmap.org/{z}/{x}/{y}.png |
| OSM Cycle Map | http://tile.thunderforest.com/cycle/{z}/{x}/{y}.png |
| OSM Black and White | http://tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png |
| Bing Maps | http://ecn.t3.tiles.virtualearth.net/tiles/a{q}.jpeg?g=1 |
| ESRI Streets | https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x} |
| Carto Positron | https://cartodb-basemaps-a.global.ssl.fastly.net/light_all/{z}/{x}/{y}.png |
| Stamen Terrain | http://a.tile.stamen.com/terrain/{z}/{x}/{y}.png |
Add Digital Ortho Photos (DOP) of Lower Saxony
Since 2022 digital otho photos in Lower Saxony are published as open geodata under the License „Datenlizenz Deutschland – Namensnennung – Version 2.0“. They can be directly downloaded or used as WMS in QGIS.
- Open Data Source Manager
- Click WMS/WMTS .
- Layers --> New. Type a name for the new WMS connection e.g. NDS DOP (Digitales Orthophoto (DOP) Niedersachsen).
- Type the URL : https://www.geobasisdaten.niedersachsen.de/doorman/noauth/wms_ni_dop?&request=getCapabilities&service=WMS
- Click OK
- Click Connect
- Now a list of all downloadable layers appears.
- Mark one of the layers and click Add
