<div dir="auto">This may be what you are looking for:<div dir="auto"><a href="https://proj.org/development/reference/functions.html#c.proj_get_crs_info_list_from_database">https://proj.org/development/reference/functions.html#c.proj_get_crs_info_list_from_database</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jul 8, 2022, 10:23 PM Nik Sands <<a href="mailto:nik@nixanz.com">nik@nixanz.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">My app must provide the user with a comprehensive list of Spatial Reference Systems to select from.<br>
<br>
With GDAL 2.2.2, I did this by querying both 'gcs.csv’ and ‘pcs.csv’ from the GDAL_DATA directory.<br>
<br>
These files are no longer available in GDAL 3.5. So what’s the correct way to get a list of all the available SRSs now?<br>
<br>
Cheers,<br>
Nik.<br>
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</blockquote></div>