'Web Maps - Responsibilities of frontend & backend
When using web map services such as Leaflet/Openlayers etc, are different raster layers fetched separately and laid on top of each other client-side, or are they composed on the server side?
Thank you
Solution 1:[1]
It depends if you make a separate request for each layer then the server will generate one image for each layer. However, if you make a request with several layers in it then the server will send back one combined image for all the layers, this is usually fastest.
Sources
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Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | Ian Turton |