3

What's the correct CRS for the Ordnance Survey Open Data Products? The spatialreference website shows a number of projections identified as British National Grid:

SR-ORG:6812: BritishNatGrid
SR-ORG:6832: UK National Grid
SR-ORG:6971: Great Britain National Grid with additional Helmert Corrections
SR-ORG:7132: uk nat grid
SR-ORG:7237: test
SR-ORG:7340: test
EPSG:7405: OSGB36 / British National Grid + ODN height
SR-ORG:7415: ordinance survey boundry-line
SR-ORG:7460: osgb:BNG
EPSG:27291: NZGD49 / North Island Grid
EPSG:27292: NZGD49 / South Island Grid
EPSG:27700: OSGB 1936 / British National Grid
Improve this question
3
  • 3
    EPSG:27700: OSGB 1936 / British National Grid
    – T_Bacon
    Commented Dec 29, 2016 at 9:04
  • @T_Bacon Thank you very much; I wanted to find proj4js string to use it in r while importing boundary shapefiles via readOGR.
    – Konrad
    Commented Dec 29, 2016 at 9:07
  • Why the heck is it listing two New Zealand CRS??
    – mkennedy
    Commented Dec 29, 2016 at 20:16

1 Answer 1

Reset to default
3

The EPSG code for OS products is epsg:27700. If you need further formats (though that should be enough for any good GIS) you can visit http://epsg.io/27700 which will allow you to download a specific format such as proj.4 directly.

Improve this answer

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.