Steve, I am using ms4w version 4.0.5, which I think comes with PROJ 5.20
Thank You Hi Mark: Not something I've tried to do so hopefully someone else can weigh in. What version of Proj are you using? --Steve On Thu, Jan 6, 2022 at 11:19 AM Mark Volz <markv...@co.lyon.mn.us<mailto:markv...@co.lyon.mn.us>> wrote: Hello, Could someone help me with setting up mapserver to use a non ESRI projection that is already stored in proj.db? The coordinate system is for Lyon County, MN #103749 and is stored with ESRI as the authority. I know that we can set up Mapserver to use Web Mercator by setting the adding "init=epsg:4326" to a projection block. Unfortunately I cannot access my counties coordinate system by setting the projection with “init=esri:103749”. Thank you for any help! Sincerely, Mark Volz, GISP
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