Re: [gdal-dev] Re: Datum Shifts with OSR.CoordinateTransform

2011-05-10 Thread Frank Warmerdam
On 11-05-10 07:47 PM, srweal wrote: Armin, Thanks for the reply. That seems like a logical approach, but can you or any of the GDAL developers tell me whether these +TOWGS84 parameters are applied/supported or not. Steve, 3/7 parameter datum shifts may be specified on the source and destinati

[gdal-dev] Re: Datum Shifts with OSR.CoordinateTransform

2011-05-10 Thread srweal
Armin, Thanks for the reply. That seems like a logical approach, but can you or any of the GDAL developers tell me whether these +TOWGS84 parameters are applied/supported or not. Also, I have seen some references to using a +NADGRID option for specifying a transformation grid (rather than just