[gdal-dev] [EXTERNAL] Re: vsis3 worldfile support?

[Cechini, Matthew F. (GSFC-423.0)[Science Systems & Applications, Inc.]]

Ah, I found the problem. Looks like it was loading the world file, but the file had an error in it.  Using that CPL_VSIL… parameter helped verify that the file was being read:


$ gdalinfo --config CPL_VSIL_CURL_ALLOWED_EXTENSIONS ".png" /vsis3/bucket/prefix/test_pal.png


ERROR 4: CSLLoad2("/vsis3/bucket/prefix/test_pal.pgw") failed: unable to open file.

ERROR 4: CSLLoad2("/vsis3/bucket/prefix/test_pal.wld") failed: unable to open file.

Thanks,
Matt
.................................................................
Matthew Cechini
Contractor, Science Systems and Applications, Inc.
NASA GIBS Systems/Software Engineer
410.205.6272

From: Even Rouault <even.rouault at spatialys.com>
Date: Tuesday, April 27, 2021 at 10:20 AM
To: Matthew Cechini <matthew.f.cechini at nasa.gov>, "gdal-dev at lists.osgeo.org" <gdal-dev at lists.osgeo.org>
Subject: [EXTERNAL] Re: [gdal-dev] vsis3 worldfile support?


Matt,

I've just tested and this works for me. Can't think of a reason besides a permission problem with the .pgw/.wld files, or if you've set the CPL_VSIL_CURL_ALLOWED_EXTENSIONS configuration option to "png"

Even
Le 27/04/2021 à 16:04, Cechini, Matthew F. (GSFC-423.0)[Science Systems & Applications, Inc.] via gdal-dev a écrit :
Using GDAL 2.4.4, I’m attempting to read a PNG file in S3 with this prefix: /vsis3/bucket/prefix/image.png.  Alongside that object are also image.pgw an image.wld objects (same content).  When I run gdalinfo on the /vsis3 path, I’m not seeing the geolocation information.  Am I doing something wrong? Do I need a new version? Is this a known limitation?

Thanks,
Matt
.................................................................
Matthew Cechini
Contractor, Science Systems and Applications, Inc.
NASA GIBS Systems/Software Engineer
410.205.6272



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