Re: [gdal-dev] OGRCreateCoordinateTransformation()

2022-03-23 Thread Even Rouault
Steve, you may try PR https://github.com/OSGeo/PROJ/pull/3126 or https://github.com/OSGeo/PROJ/pull/3127, that might potentially help, but they don't make consensus (see discussions of those PRs). Basically it is a nightmare to deal with the old TOWGS84 / PROJ4_GRIDS approach, that poorly spe

Re: [gdal-dev] OGRCreateCoordinateTransformation()

2022-03-23 Thread Steve Riddell
Hi Even, I tried the fix with the CRS’s I sent, and it worked. But as I mentioned, my real target CRS is a custom projected system (below), and it still fails with what seems to be the same error as in my original email. COMPD_CS["TempTM + CGVD28 height - HT2_0", PROJCS["Custom", GE

Re: [gdal-dev] Connect ogr2ogr without socket

2022-03-23 Thread Felipe Matas via gdal-dev
Well, I was using bad the syntax, and if instead of localhost I use the numbers, works, at least half of it.., I'll check this more instead ask here first, to confirm here where to ask. Thx :) El miércoles, 23 de marzo de 2022, 03:21:06 p. m. GMT-3, Felipe Matas via gdal-dev escribió:

[gdal-dev] Connect ogr2ogr without socket

2022-03-23 Thread Felipe Matas via gdal-dev
Hi, I'm testing a new db that is dolt, is like git in db, literally, but that db does not support connection through socket, but the db is mysql, or like a simulation of it, I'm trying this to check the connection: ogrinfo MySQL:"host=127.0.0.1 port=3306 user='root' password='' dbname='test'" I

[gdal-dev] Guidelines for optimal image dimensions

2022-03-23 Thread Matt.Wilkie
Does anyone have guidelines of what the general purpose optimal image dimensions in pixels are for any given type? (3 band 8bit RGB, 1 band 16bit signed, ...) At some point the time it takes to do anything in memory on a whole image exceeds the time it takes to read the next chunk from storage