Re: [gdal-dev] Upgrading to GDAL 3.4.2 from 1.10.0 shows different outputs from gdaltransform and corresponding C++ API

2024-08-26 Thread Greg Troxel via gdal-dev
Even Rouault via gdal-dev writes: > 3) You would get the most precise result (with lots of quotes, > because this is highly subjective, and assumes that NAD83(HARN) is > equivalent to WGS 84, according to the comment in the EPSG database) > with the "NAD27 to WGS 84 (41)" EPSG transformat

Re: [gdal-dev] Upgrading to GDAL 3.4.2 from 1.10.0 shows different outputs from gdaltransform and corresponding C++ API

2024-08-26 Thread Even Rouault via gdal-dev
Shawn, The results depends on which PROJ grids are available on your system (or if you allowed network access). 1) The result you get with GDAL 1.10 can be reproduced with modern PROJ versions by allowing (and restricting) to using the CONUS / us_noaa_conus.tif grid which corresponds to the

Re: [gdal-dev] gdal-dev Digest, Vol 243, Issue 19

2024-08-26 Thread Fox, Shawn D (US) via gdal-dev
-- Message: 1 Date: Sat, 24 Aug 2024 08:15:32 -0400 From: Greg Troxel To: "Fox, Shawn D (US) via gdal-dev" Subject: Re: [gdal-dev] Upgrading to GDAL 3.4.2 from 1.10.0 shows different outputs from gdaltransform and corres