[OSM-talk-ie] rectifying map

Caroline Lewis carolinelewis at eircom.net
Wed Mar 25 21:42:48 UTC 2015


Hi everyone
I am really struggling to rectify a map (05-05 SW) as it is so misaligned i can’t add many control points - i have 11 but one is in the ocean to see if it would help match the maps
I have been adding and deleting control points all day to try and get a erasable coverage but the map has been doing some peculiar warping.
It is mainly ocean so its hard to get a good spread and there are not many roads to match - 
should i keep trying to find vaguely matched control points or is there some technique to overcome this problem
thanks
c.




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