GeoServer for Beginners - Exercise 3 Publishing Shape files as wms తెలుగులో

Publishing Shape files as wms తెలుగులో

What is WMS?

A Web map service (WMS) is a standard protocol that describes how to serve any georeferenced map images over the Internet, which is usually generated by a map server that uses data from a geographic information system database. WMS provides a simple way of requesting geo-registered map images using an HTTP interface.

Create WMS

Once the layers/layer groups added to Geoserver, it’s time to publish the data as WMS. Go through the steps of publishing a Shapefile with GeoServer

Click on the GeoServer logo at the top left corner as shown in the figure 35

Figure 35 - Geoserver Welcome page

On the right side of the page, WCS, WFS, WMS, TMS, WMS-C & WMTS services capabilities will be displayed
Under WMS right click on 1.3.0 and copy link address and paste it in notepad.

Figure 36 - Copy link address

WMS Basics:

GeoServer provides support for Open Geospatial Consortium (OGC) Web Map Service (WMS) versions 1.1.1 and 1.3.0. This is the most widely used standard for generating maps on the web, and it is the primary interface to request map products from GeoServer. Using WMS makes it possible for clients to overlay maps from several different sources in a seamless way.

Differences between WMS versions

In 1.1.1 geographic coordinate systems specified with the EPSG namespace are defined to have an axis ordering of longitude/latitude. In 1.3.0 the ordering is latitude/longitude.
In the GetMap operation the srs parameter is called crs in 1.3.0. GeoServer supports both keys regardless of version.
In the GetFeatureInfo operation the x and y parameters are called i and j in 1.3.0. GeoServer supports both keys regardless of version, except when in CITE-compliance mode – Source GeoServer

Figure 37 - WMS link pasted in notepad

Add WMS to QGIS

Now add WMS in QGIS.
In the browser panel, locate the WMS/WMTS and right click it to add a new connection.

Figure 38 - Browser Panel in QGIS with WMS/WMTS

Name your connection. This is not the name of the layer but the name of service which is offering the WMS layer.
Name the connection as India_Layers_Geoserver and the URL as http://localhost:8080/geoserver/ows?service=wms&version=1.3.0&request=GetCapabilitie (Reference – Figure 36).
Click OK to add WMS to browser panel.

Figure 39 - WMS/WMTS connection window

Figure 40 - WMS added to Browser Panel

Double click on the layer fromWMS to add to layer panel.

Figure 41 - Displaying layers from Geoserver to QGIS through WMS

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