[gdal-dev] Cannot find proj.db

[Thomas Knudsen]

Elena,

If your environment variables are set exactly as you write:

> PROJ_LIB= “D:\MDT\V9\bin\gdal\gdal_latest\share”
> PROJ_DATA= “D:\MDT\V9\bin\gdal\gdal_latest\share”

you should leave out the apostrophes and the extra space after the equals
sign, i.e.

set PROJ_LIB=D:\MDT\V9\bin\gdal\gdal_latest\share
set PROJ_DATA=D:\MDT\V9\bin\gdal\gdal_latest\share

The PROJ documentation on the subject is over at
https://proj.org/usage/environmentvars.html

/Thomas

Den tors. 30. mar. 2023 kl. 14.01 skrev Elena Ruiz <eruiz at aplitop.com>:

> Hello,
>
> I am using GDAL 3.6.2 on Windows 11 and am having problems with the
> following error:
>
>
>
> ERROR 1: PROJ: proj_create_from_database: Cannot find proj.db
>
>
>
> I have set as environment variable PROJ_LIB=
> “D:\MDT\V9\bin\gdal\gdal_latest\share”  and PROJ_DATA=
> “D:\MDT\V9\bin\gdal\gdal_latest\share”, as user variable and in the system
> variable, but it still doesn't work and the file proj.db exits in
> D:\MDT\V9\bin\gdal\gdal_latest\share  .
>
>
>
> D:\MDT\V9\bin\gdal\gdal_latest\x64>gdalwarp -s_srs EPSG:4326 -t_srs
> EPSG:25831 -r near -of GTiff
> C:\Users\elena\Downloads\D37531385_0101_DTM.asc
> C:/Users/elena/Downloads/D37531385_0101_DTM_25831_qgis_.tif
>
> ERROR 1: PROJ: proj_create_from_database: Cannot find proj.db
>
> ERROR 1: Translating source or target SRS failed:
>
> EPSG:4326
>
>
>
> The funny thing is that I have the same version of GDAL installed on my
> computer using Anaconda3, to do tests, and from the anaconda directory it
> works for me, and if I look in the environment variables I don't see any
> path that refers to where Anaconda has the Proj.db. Is there another way to
> set the PROJ_LIB path besides adding an environment variable? Is there any
> way to know where the PROJ_LIB is looking for my version of GDAL?
>
>
>
> C:\Users\elena\Anaconda3\envs\mygdal\Library\bin>gdalwarp -s_srs EPSG:4326
> -t_srs EPSG:25831 -r near -of GTiff
> C:\Users\elena\Downloads\D37531385_0101_DTM.asc
> C:/Users/elena/Downloads/D37531385_0101_DTM_25831_qgis_.tif
>
> Creating output file that is 1003P x 1201L.
>
> Processing C:\Users\elena\Downloads\D37531385_0101_DTM.asc [1/1] : 0Using
> internal nodata values (e.g. -9999) for image
> C:\Users\elena\Downloads\D37531385_0101_DTM.asc.
>
> Copying nodata values from source
> C:\Users\elena\Downloads\D37531385_0101_DTM.asc to destination
> C:/Users/elena/Downloads/D37531385_0101_DTM_25831_qgis_.tif.
>
> ...10...20...30...40...50...60...70...80...90...100 - done.
>
>
>
> Thank you and regards
> ------------------------------
>
> *Elena Ruiz *
> Sofware Development & Technical Support
> Tel. +34 952 43 97 71
> eruiz at aplitop.com
> Sumatra, 9 - 29190 Málaga (Spain)
>
>
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