How to Create Layer Groups in GeoServer. తెలుగులో నేర్చుకుందాం

How to Create Layer Groups in GeoServer.

తెలుగులో నేర్చుకుందాం

Layer Groups

A layer group is a container in which layers can be organized in a hierarchical structure. A layer group can be referred to by a single name in WMS requests. This allows simpler requests, as one layer can be specified instead of multiple individual layers.

• To create Layer Groups, click on LayersGroups under Data. This will bring up the layersGroupspage, wherein you can view/createlayer groups.

Figure 28 - Layer groups window before adding Layer groups

• Click on add new layer group.
• Create layer group Name (Ex: India_Layers_Group)
• Create Title (Ex: India_Layers_Group)
• Create Abstract about the group (optional)

• Select Workspace (Ex: India_Political, see figure 7)
• Click on Find for CRC and search for existing CRS and select (Ex:4326)

• Click on Generate Bounds(To create boundary extents from the existing data, recommended to generate bounds after adding layers; see figure 31)
• Select Singlein mode
• Click on Add Layerand choose layers to add to group

Figure 29 - Before adding Layers

Figure 30 - Selecting Layers

Figure 31 - After adding Layers

• In figure 31 you can see the layers arranged in hierarchical structure
• Click on Save (to save layer group)

Figure 32 - Layer groups window after adding Layer groups

• To View the Layer Group, click on Layer Previewunder Data. This will bring up the Layer Preview page, go to created layer group and click on Open layers.

Figure 33 - Layer preview page with added layers and layer groups

Figure 34 - Layer group preview