[Talk-GB] Offsets between OS and OSM data (was Building with mapseg)

Robert Scott lists at humanleg.org.uk
Sun May 30 22:03:22 BST 2010


Funny this subject should come up.

Working with the OS Locator data, I'm finding the bounding boxes to be constantly about 50m to the east. In the south, they're also about 30m south. In scotland they're about 10m north.

I'm using the srid transform 27700 -> 4326.

What am I doing wrong?


robert.




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