Dear GRASS GIS users,
After installing GRASS GIS via Homebrew I encountered a problem when I tried to create a new location and set the projection. (I also posted this question on Stackoverflow: https://stackoverflow.com/questions/60871421/grass-gis-installed-with-homebrew-create-new-location-cannot-find-proj-db-err)
Maybe someone of you has encountered the same problem or has any idea what might be the issue…
I work on MacOS Catalina and installed the latest stable release of GRASS GIS (7.8.2) with Homebrew via the osgeo/osgeo4mac tap using the commands brew tap osgeo/osgeo4mac and brew install osgeo-grass (as described on the GRASS website https://grasswiki.osgeo.org/wiki/Compiling_on_MacOSX_using_homebrew).
To get the GUI working also pip3 install wxpython was necessary. I could start GRASS with grass78 on the commandline. When I tried to create a new location and to set the projection/crs
- I could not specify an EPSG code
- browsing a georeferenced file to use its projection threw the error: “proj_get_authorities_from_database: Cannot find proj.db”
and creation of location was cancelled.
Regarding 1. EPSG codes: the newest proj version does not provide a file with epsg codes, seems like this was already an issue in GRASS 7.6 combined with proj 6.x (https://trac.osgeo.org/grass/ticket/3863) but still couldn’t find a way to get it working e.g. with another epsg file copied into the directory.
Regarding 2. I tried several things that didn’t work:
I installed proj 5 (with brew install osgeo-proj@5) and also proj 6 (with a bottle from https://bottle.download.osgeo.org/?C=N&O=A) but it throws errors at the same point saying that some library (refering proj) was not loaded and image was not found.
I tried to set the environment variable PROJ_LIB in .zshenv to the respective path where proj.db is located (for version 6 and 7 respectively), still it threw the same error(s).
Do I need to set any other environment variables or might it be something related to GDAL?
Thank you very much.
Veronika
Dear Veronika,
Thank you for awesome analysis. I don’t have an answer, but I’m struggling with the same and I thought it might be a good idea to connect the related discussions:
[GRASS-dev] Automatic/CI compilation on macOS
https://lists.osgeo.org/pipermail/grass-dev/2020-March/094187.html
https://lists.osgeo.org/pipermail/grass-dev/2020-March/094207.html
[Bug] Update build GRASS as macOS application #457 (linked comment and below)
https://github.com/OSGeo/grass/issues/457#issuecomment-603575140
Vaclav
On Fri, Mar 27, 2020 at 12:49 PM Veronika Grupp <vroni.grupp@web.de> wrote:
Dear GRASS GIS users,
After installing GRASS GIS via Homebrew I encountered a problem when I tried to create a new location and set the projection. (I also posted this question on Stackoverflow: https://stackoverflow.com/questions/60871421/grass-gis-installed-with-homebrew-create-new-location-cannot-find-proj-db-err)
Maybe someone of you has encountered the same problem or has any idea what might be the issue…
I work on MacOS Catalina and installed the latest stable release of GRASS GIS (7.8.2) with Homebrew via the osgeo/osgeo4mac tap using the commands brew tap osgeo/osgeo4mac and brew install osgeo-grass (as described on the GRASS website https://grasswiki.osgeo.org/wiki/Compiling_on_MacOSX_using_homebrew).
To get the GUI working also pip3 install wxpython was necessary. I could start GRASS with grass78 on the commandline. When I tried to create a new location and to set the projection/crs
- I could not specify an EPSG code
- browsing a georeferenced file to use its projection threw the error: “proj_get_authorities_from_database: Cannot find proj.db”
and creation of location was cancelled.
Regarding 1. EPSG codes: the newest proj version does not provide a file with epsg codes, seems like this was already an issue in GRASS 7.6 combined with proj 6.x (https://trac.osgeo.org/grass/ticket/3863) but still couldn’t find a way to get it working e.g. with another epsg file copied into the directory.
Regarding 2. I tried several things that didn’t work:
I installed proj 5 (with brew install osgeo-proj@5) and also proj 6 (with a bottle from https://bottle.download.osgeo.org/?C=N&O=A) but it throws errors at the same point saying that some library (refering proj) was not loaded and image was not found.
I tried to set the environment variable PROJ_LIB in .zshenv to the respective path where proj.db is located (for version 6 and 7 respectively), still it threw the same error(s).
Do I need to set any other environment variables or might it be something related to GDAL?
Thank you very much.
Veronika
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