Re: [gdal-dev] [External] : Re: GDAL driver Open() calls

2023-11-29 Thread Even Rouault via gdal-dev
Hi, The logs didn't directly answer my question as they lacked the chain of calls, but I believe I figured out the reason. Please try https://github.com/OSGeo/gdal/pull/8865 Even Le 29/11/2023 à 02:56, Fengting Chen a écrit : The attached are two output logs with debug on. You can see that

[gdal-dev] Installation on Windows

2023-11-29 Thread Clive Swan via gdal-dev
Greetings, Is there a detailed guide to installing GDAL on Windows 10?? I have attempted installation several times, but just get error mesdages. Thanks Clive ___ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/g

Re: [gdal-dev] Installation on Windows

2023-11-29 Thread Jürgen E . Fischer via gdal-dev
Hi Clive, On Wed, 29. Nov 2023 at 10:57:48 +, Clive Swan via gdal-dev wrote: > Is there a detailed guide to installing GDAL on Windows 10?? I have attempted > installation several times, but just get error mesdages. https://gdal.org/download.html#windows Which one did you try and which error

[gdal-dev] How do GCP's in a VRT file work?

2023-11-29 Thread Joe Lovick via gdal-dev
Could someone explain how GCP's placed into a VRT file work, i was expecting a linear/bi-linear, or polynomial fit between the points for the simplest EPSG:4326 projection.however that is not what i see, adjusting a single point, effects the projection of all corner points.for example,a vrt file th

Re: [gdal-dev] How do GCP's in a VRT file work?

2023-11-29 Thread Greg Troxel via gdal-dev
Joe Lovick via gdal-dev writes: > Could someone explain how GCP's placed into a VRT file work, i was > expecting a linear/bi-linear, or polynomial fit between the points for > the simplest EPSG:4326 projection.however that is not what i see, > adjusting a single point, effects the projection of a

Re: [gdal-dev] How do GCP's in a VRT file work?

2023-11-29 Thread Joe Lovick via gdal-dev
This is really informative and makes perfect sense. makes my life a lot harder, but perfect sense If I Could i ask a follow on question to this,        What is the recommended processing paradigm for slightly off-nadir imagery where their is a need for a full [3x3] matrix mapping to take

Re: [gdal-dev] How do GCP's in a VRT file work?

2023-11-29 Thread Even Rouault via gdal-dev
If you use the -tps flag of gdalwarp, it will strictly honour your GCPs. Cf https://gdal.org/programs/gdalwarp.html#cmdoption-gdalwarp-tps and https://gdal.org/api/gdal_alg.html#_CPPv424GDALCreateTPSTransformeriPK8GDAL_GCPi "The thin plate spline transformer produces exact transformation at all

Re: [gdal-dev] Installation on Windows

2023-11-29 Thread Jeff McKenna via gdal-dev
You can find the popular Binaries at https://trac.osgeo.org/gdal/wiki/DownloadingGdalBinaries#Windows (great to see so many options listed there) -jeff -- Jeff McKenna GatewayGeo: Developers of MS4W, & offering MapServer Consulting/Dev co-founder of FOSS4G http://gatewaygeo.com/ On 202

Re: [gdal-dev] [External] : Re: GDAL driver Open() calls

2023-11-29 Thread Fengting Chen via gdal-dev
This doesn’t seem to fix the problem. How do I print out the stack trace in the driver? From: Even Rouault Date: Wednesday, November 29, 2023 at 5:54 AM Hi, The logs didn't directly answer my question as they lacked the chain of calls, but I believe I figured out the reason. Please try https: