The situation in Haiti is an example where synchronization of POIs is a good option:
- As soon as a surveyor reaches an internet-enabled spot, new POIs are added to the database and WMS clients (for example in a coordination office) can see the changes instantly.
- As new POIs from surveyors A, B, and C get into D’s handheld, D knows which areas need more attention and needs not update large amounts of raster data, since each point feature needs only a few bytes to be transmitted.
This is what the surveyor does:
This is what the WMS client shows:
I think this layer is correctly georeferenced:
I was surprised to see this awful offset between two layers from that WMS server, though: