> Dear Philippe, > > you might try just to copy your PRJ file from an ESRI ArcGIS installation > (under \Program Files\ArcGIS\Coordinate Systems). However, I have seen > problems in ArcObjects when programatically calling a Projection ID that was > not hard-coded with ESRI SW or with work-around with adding keywords into > env. settings. > > However, many PRJ files are identical or similar between different DB of > spatial references. > > Good luck! > > Dejan > > On Fri, Aug 8, 2008 at 10:06 AM, Philippe Kruschitz < > [EMAIL PROTECTED]> wrote: > >> >> Hi Dejan, >> >> Thanks for the explanation. I wasn't aware that the ESRI projections >> definitions were modified that often. As I'm working with only a couple of >> projections in this project, I'll write the PRJ files manually (and hope >> they don't change those definitions in a near future...) >> >> Regards, >> >> Philippe >> >> >> However, I do see that a whole database of PRJ files has to be >>> incorporated and matched with a projection database in FW Tools/GDAL, since >>> the keywords for different PCS, GCS, DATUMS, SPHEREOIDS and other parameters >>> have to keep the same/identical (they are then stored e.g. into SDE >>> repository directly after importing a SHP into a GDB, so you might have >>> different SRID entries for the same Spatial references as you might have >>> different PRJ files pointing to the same spatial references, with the >>> same/similar parameters). >>> >> >> However, ESRI is updating its projection database quite often (even >>> through the SP releases), so reconciling both database could be a huge task. >>> Not being in sync with the ESRI DB can cause users using GDAL managed data >>> at ESRI side some problems, especially when calling SRIDs or having multiple >>> environments, different ESRI SW versions and updates installed. >>> However, I would love to see that output files from GDAL have >>> appropriate PRJ files with it, if this is feasible :-) >>> Best regards, >>> Dejan >>> >> >
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