Re: MI FW: BUFFER INACCURACIES

1999-09-08 Thread Warren Vick, Europa Technologies Ltd.
Hello Paul, > Does anyone know why buffers become increasingly more inaccurate on certain > bearings above distances of 4000+ Nautical Miles?? Large buffers have never been correctly implemented in MapInfo Professional. MapInfo are fully aware of the problem since I've nagged them about it se

Re: MI FW: BUFFER INACCURACIES

1999-09-08 Thread climber
Check what kind of projection you are using i.e., equal area, mercator, conical, etc. I believe your best bet to preserve the real distances are with an equal area projection. Stan Johnston Geologist "Smith,Paul" wrote: > > BUFFER INACCURACIES > > Does anyone know why buffers become increasin

MI FW: BUFFER INACCURACIES

1999-09-08 Thread Smith,Paul
BUFFER INACCURACIES Does anyone know why buffers become increasingly more inaccurate on certain bearings above distances of 4000+ Nautical Miles?? eg. For buffers centred on the UK, the buffer distances are correctly measured to the South (to South Africa), West(the USA) & East(to Russia) i